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Report on integration across networks: common strategy and common sensors for lidar and aerosol extinction measurements - Revision history
2024-03-28T10:45:22Z
Revision history for this page on the wiki
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M.brus at 08:50, 7 April 2021
2021-04-07T08:50:50Z
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M.brus
http://mediawiki.envri.eu/index.php?title=Report_on_integration_across_networks:_common_strategy_and_common_sensors_for_lidar_and_aerosol_extinction_measurements&diff=2289&oldid=prev
M.brus at 08:49, 7 April 2021
2021-04-07T08:49:26Z
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<tr><td class='diff-marker'>−</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>| url = <del class="diffchange diffchange-inline">http</del>://<del class="diffchange diffchange-inline">www</del>.<del class="diffchange diffchange-inline">envriplus</del>.eu/<del class="diffchange diffchange-inline">wp-content</del>/<del class="diffchange diffchange-inline">uploads</del>/<del class="diffchange diffchange-inline">2015/08</del>/D1.4-Report-on-integration-across-networks-common-strategy-and-common-sensors-for-lidar-and-aerosol-extinction-measurements.pdf</div></td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>| url = <ins class="diffchange diffchange-inline">https</ins>://<ins class="diffchange diffchange-inline">mediawiki</ins>.<ins class="diffchange diffchange-inline">envri</ins>.eu/<ins class="diffchange diffchange-inline">images</ins>/<ins class="diffchange diffchange-inline">7</ins>/<ins class="diffchange diffchange-inline">7f</ins>/D1.4-Report-on-integration-across-networks-common-strategy-and-common-sensors-for-lidar-and-aerosol-extinction-measurements.pdf</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>}}</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>}}</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>As part of ENVRIplus Task 1.2: Common methodologies for inter-comparison and joint field tests: “use Case2: Common sensors”, this report describes a strategy to measure the aerosol extinction coefficient within the atmospheric domain RIs ACTRIS, IAGOS and ICOS. An inter-comparison campaign was successfully realized in summer 2015, combining in-situ and remote sensing measurements of the aerosol extinction coefficient.  </div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>As part of ENVRIplus Task 1.2: Common methodologies for inter-comparison and joint field tests: “use Case2: Common sensors”, this report describes a strategy to measure the aerosol extinction coefficient within the atmospheric domain RIs ACTRIS, IAGOS and ICOS. An inter-comparison campaign was successfully realized in summer 2015, combining in-situ and remote sensing measurements of the aerosol extinction coefficient.  </div></td></tr>
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M.brus
http://mediawiki.envri.eu/index.php?title=Report_on_integration_across_networks:_common_strategy_and_common_sensors_for_lidar_and_aerosol_extinction_measurements&diff=1777&oldid=prev
Alexander Zilliacus: /* CAPS Technique */
2020-09-07T07:21:40Z
<p><span dir="auto"><span class="autocomment">CAPS Technique</span></span></p>
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<td colspan="2" style="background-color: #fff; color: #222; text-align: center;">Revision as of 07:21, 7 September 2020</td>
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<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>The CAPS technique, similar in its basic principle to cavity ring-down, relies on the use of a short (26 cm) sample cell employing high reflectivity mirrors (Kebabian and Freedman, 2007; Kebabian et al., 2007). Square-wave modulated light emitted from a light emitting diode (LED) is directed through one mirror into the sample cell (see Figure 3).The distortion in the square wave caused by the effective optical path length within the cavity (approx. 2 km light path) is measured as a phase shift in the signal and is detected by a vacuum photodiode which is located behind the second mirror. The signal is generated in the instrument via light extinction by particles (CAPS PMex) or light absorption by NO<sub>2</sub> molecules (CAPS NO<sub>2</sub>). A detailed description of the method including first results from laboratory characterization and field deployment is given by Massoli et al. (2010), while Yu et al. (2011) reports an application to the direct measurement of combustion particle emissions from aircraft engines. The IAGOS Instrument P2e combines CAPS PMex and CAPS NO<sub>2</sub> detectors.  </div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>The CAPS technique, similar in its basic principle to cavity ring-down, relies on the use of a short (26 cm) sample cell employing high reflectivity mirrors (Kebabian and Freedman, 2007; Kebabian et al., 2007). Square-wave modulated light emitted from a light emitting diode (LED) is directed through one mirror into the sample cell (see Figure 3).The distortion in the square wave caused by the effective optical path length within the cavity (approx. 2 km light path) is measured as a phase shift in the signal and is detected by a vacuum photodiode which is located behind the second mirror. The signal is generated in the instrument via light extinction by particles (CAPS PMex) or light absorption by NO<sub>2</sub> molecules (CAPS NO<sub>2</sub>). A detailed description of the method including first results from laboratory characterization and field deployment is given by Massoli et al. (2010), while Yu et al. (2011) reports an application to the direct measurement of combustion particle emissions from aircraft engines. The IAGOS Instrument P2e combines CAPS PMex and CAPS NO<sub>2</sub> detectors.  </div></td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del class="diffchange diffchange-inline"> </del></div></td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div> </div></td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>Figure 3: Left: operation principles and key components of the CAPS method (LED wavelength 630 nm for CAPS PM<sub>EX</sub> and 450 nm for CAPS NO<sub>2</sub>); Right: schematic of the signal generation in a CAPS instrument.</div></td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins class="diffchange diffchange-inline"><div class="figure" id="figure3"></ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins class="diffchange diffchange-inline">[[File:EP-D1.4-Fig3A-CAPS-method.png|500px]]</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins class="diffchange diffchange-inline">[[File:EP-D1.4-Fig3B-CAPS-signal.png|500px]]</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>Figure 3: Left: operation principles and key components of the CAPS method (LED wavelength 630 nm for CAPS PM<sub>EX</sub> and 450 nm for CAPS NO<sub>2</sub>); Right: schematic of the signal generation in a CAPS instrument.<ins class="diffchange diffchange-inline"></div></ins></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>The left panel of Figure 3 illustrates the key components of a CAPS instrument whereas the right panel sketches the signal generation. The signal background of the instruments is determined by the signal fluctuations when particle-free air (CAPS PMex) or air free of NO<sub>2</sub> (CAPS NO<sub>2</sub>) is sampled and originates from Rayleigh scattering of light by "air" molecules. The signal is determined by subtraction of the background signal (without particles/NO<sub>2</sub>) from the total signal (with particles/NO<sub>2</sub>). During operation, the instruments samples during pre-defined intervals particle-free or NO<sub>2</sub> – free air and determines the Rayleigh background of the instrument. Thus, the fluctuation of the background signal determines the limit of detection (LOD) of the instrument, i.e. the minimum detectable light extinction coefficient or NO<sub>2</sub> mixing ratio, respectively.</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>The left panel of Figure 3 illustrates the key components of a CAPS instrument whereas the right panel sketches the signal generation. The signal background of the instruments is determined by the signal fluctuations when particle-free air (CAPS PMex) or air free of NO<sub>2</sub> (CAPS NO<sub>2</sub>) is sampled and originates from Rayleigh scattering of light by "air" molecules. The signal is determined by subtraction of the background signal (without particles/NO<sub>2</sub>) from the total signal (with particles/NO<sub>2</sub>). During operation, the instruments samples during pre-defined intervals particle-free or NO<sub>2</sub> – free air and determines the Rayleigh background of the instrument. Thus, the fluctuation of the background signal determines the limit of detection (LOD) of the instrument, i.e. the minimum detectable light extinction coefficient or NO<sub>2</sub> mixing ratio, respectively.</div></td></tr>
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Alexander Zilliacus
http://mediawiki.envri.eu/index.php?title=Report_on_integration_across_networks:_common_strategy_and_common_sensors_for_lidar_and_aerosol_extinction_measurements&diff=1766&oldid=prev
Alexander Zilliacus: /* Joint ACTRIS IAGOS inter-comparison campaign */
2020-09-07T06:15:30Z
<p><span dir="auto"><span class="autocomment">Joint ACTRIS IAGOS inter-comparison campaign</span></span></p>
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<td colspan="2" style="background-color: #fff; color: #222; text-align: center;">← Older revision</td>
<td colspan="2" style="background-color: #fff; color: #222; text-align: center;">Revision as of 06:15, 7 September 2020</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l108" >Line 108:</td>
<td colspan="2" class="diff-lineno">Line 108:</td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><div class="figure" id="figure7"></div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><div class="figure" id="figure7"></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>[[File:EP-D1.4-Fig7A-Linear-regression.png|500px|alt=(A) CAPS]]</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>[[File:EP-D1.4-Fig7A-Linear-regression.png|500px|alt=(A) CAPS]]</div></td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>[[File:EP-D1.4-Fig7B-Linear-regression.png|<del class="diffchange diffchange-inline">500px</del>]alt=(B) LIDAR]]</div></td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>[[File:EP-D1.4-Fig7B-Linear-regression.png|<ins class="diffchange diffchange-inline">350px</ins>]alt=(B) LIDAR]]</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Figure 7: Linear regression analysis and associated scatter-plots of the profile data. About 60% of the variance of the residuals of the Mie calculation is explained by the linear regression (right) the remaining variance is caused due to the cut offs of the size measurement.</div></div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Figure 7: Linear regression analysis and associated scatter-plots of the profile data. About 60% of the variance of the residuals of the Mie calculation is explained by the linear regression (right) the remaining variance is caused due to the cut offs of the size measurement.</div></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr>
</table>
Alexander Zilliacus
http://mediawiki.envri.eu/index.php?title=Report_on_integration_across_networks:_common_strategy_and_common_sensors_for_lidar_and_aerosol_extinction_measurements&diff=1765&oldid=prev
Alexander Zilliacus: /* Joint ACTRIS IAGOS inter-comparison campaign */
2020-09-07T06:14:32Z
<p><span dir="auto"><span class="autocomment">Joint ACTRIS IAGOS inter-comparison campaign</span></span></p>
<table class="diff diff-contentalign-left" data-mw="interface">
<col class="diff-marker" />
<col class="diff-content" />
<col class="diff-marker" />
<col class="diff-content" />
<tr class="diff-title" lang="en">
<td colspan="2" style="background-color: #fff; color: #222; text-align: center;">← Older revision</td>
<td colspan="2" style="background-color: #fff; color: #222; text-align: center;">Revision as of 06:14, 7 September 2020</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l96" >Line 96:</td>
<td colspan="2" class="diff-lineno">Line 96:</td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>On the way back to Bremerhaven (see Figure 5) a vertical profile of aerosol light extinction was measured over the Lindenberg Observatory of the German Weather Service. The aerosol extinction coefficient profile measured with a Raman LIDAR is compared with our in situ measurements using CAPS and Mie calculations (BHMie code (Bohren and Huffman, 2007)) using our size distribution measurement of the P2e OPC. (See Fig. 4, 5a and 5b.)  </div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>On the way back to Bremerhaven (see Figure 5) a vertical profile of aerosol light extinction was measured over the Lindenberg Observatory of the German Weather Service. The aerosol extinction coefficient profile measured with a Raman LIDAR is compared with our in situ measurements using CAPS and Mie calculations (BHMie code (Bohren and Huffman, 2007)) using our size distribution measurement of the P2e OPC. (See Fig. 4, 5a and 5b.)  </div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><div class="figure <del class="diffchange diffchange-inline">bordered</del>" id="figure5"></div></td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><div class="figure" id="figure5"></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>[[File:EP-D1.4-Fig5A-Bornholm-Bremerhaven.png|500px]]</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>[[File:EP-D1.4-Fig5A-Bornholm-Bremerhaven.png|500px]]</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>[[File:EP-D1.4-Fig5B-Bornholm-Bremerhaven.jpg|200px]]</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>[[File:EP-D1.4-Fig5B-Bornholm-Bremerhaven.jpg|200px]]</div></td></tr>
</table>
Alexander Zilliacus
http://mediawiki.envri.eu/index.php?title=Report_on_integration_across_networks:_common_strategy_and_common_sensors_for_lidar_and_aerosol_extinction_measurements&diff=1763&oldid=prev
Alexander Zilliacus: /* Joint ACTRIS IAGOS inter-comparison campaign */
2020-09-07T06:13:37Z
<p><span dir="auto"><span class="autocomment">Joint ACTRIS IAGOS inter-comparison campaign</span></span></p>
<table class="diff diff-contentalign-left" data-mw="interface">
<col class="diff-marker" />
<col class="diff-content" />
<col class="diff-marker" />
<col class="diff-content" />
<tr class="diff-title" lang="en">
<td colspan="2" style="background-color: #fff; color: #222; text-align: center;">← Older revision</td>
<td colspan="2" style="background-color: #fff; color: #222; text-align: center;">Revision as of 06:13, 7 September 2020</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l96" >Line 96:</td>
<td colspan="2" class="diff-lineno">Line 96:</td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>On the way back to Bremerhaven (see Figure 5) a vertical profile of aerosol light extinction was measured over the Lindenberg Observatory of the German Weather Service. The aerosol extinction coefficient profile measured with a Raman LIDAR is compared with our in situ measurements using CAPS and Mie calculations (BHMie code (Bohren and Huffman, 2007)) using our size distribution measurement of the P2e OPC. (See Fig. 4, 5a and 5b.)  </div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>On the way back to Bremerhaven (see Figure 5) a vertical profile of aerosol light extinction was measured over the Lindenberg Observatory of the German Weather Service. The aerosol extinction coefficient profile measured with a Raman LIDAR is compared with our in situ measurements using CAPS and Mie calculations (BHMie code (Bohren and Huffman, 2007)) using our size distribution measurement of the P2e OPC. (See Fig. 4, 5a and 5b.)  </div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><div class="figure" id="figure5"></div></td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><div class="figure <ins class="diffchange diffchange-inline">bordered</ins>" id="figure5"></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>[[File:EP-D1.4-Fig5A-Bornholm-Bremerhaven.png|500px]]</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>[[File:EP-D1.4-Fig5A-Bornholm-Bremerhaven.png|500px]]</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>[[File:EP-D1.4-Fig5B-Bornholm-Bremerhaven.jpg|200px]]</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>[[File:EP-D1.4-Fig5B-Bornholm-Bremerhaven.jpg|200px]]</div></td></tr>
</table>
Alexander Zilliacus
http://mediawiki.envri.eu/index.php?title=Report_on_integration_across_networks:_common_strategy_and_common_sensors_for_lidar_and_aerosol_extinction_measurements&diff=1758&oldid=prev
Alexander Zilliacus: /* Joint ACTRIS IAGOS inter-comparison campaign */
2020-09-07T06:02:43Z
<p><span dir="auto"><span class="autocomment">Joint ACTRIS IAGOS inter-comparison campaign</span></span></p>
<table class="diff diff-contentalign-left" data-mw="interface">
<col class="diff-marker" />
<col class="diff-content" />
<col class="diff-marker" />
<col class="diff-content" />
<tr class="diff-title" lang="en">
<td colspan="2" style="background-color: #fff; color: #222; text-align: center;">← Older revision</td>
<td colspan="2" style="background-color: #fff; color: #222; text-align: center;">Revision as of 06:02, 7 September 2020</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l92" >Line 92:</td>
<td colspan="2" class="diff-lineno">Line 92:</td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>During the BALTEX (BALTic sea Experiment) campaign 2015 organized by the AWI. IAGOS P2c and P2e Instruments where installed on the POLAR 6 Aircraft (see Figure 4). Main goal of the campaign was to detect and characterize ship emission plumes.     </div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>During the BALTEX (BALTic sea Experiment) campaign 2015 organized by the AWI. IAGOS P2c and P2e Instruments where installed on the POLAR 6 Aircraft (see Figure 4). Main goal of the campaign was to detect and characterize ship emission plumes.     </div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><div class="figure" id="figure4">[[File:EP-D1.4-Fig4-IAGOS-Polar6.jpg|<del class="diffchange diffchange-inline">center</del>|<del class="diffchange diffchange-inline">frame</del>|Figure 4: Installation on Polar6 aircraft]]</div></div></td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><div class="figure" id="figure4">[[File:EP-D1.4-Fig4-IAGOS-Polar6.jpg|<ins class="diffchange diffchange-inline">none</ins>|<ins class="diffchange diffchange-inline">thumb</ins>|Figure 4: Installation on Polar6 aircraft]]</div></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del class="diffchange diffchange-inline"><div class="figure" id="figure5">[[File:EP-D1</del>.<del class="diffchange diffchange-inline">4-Fig5A-Bornholm-Bremerhaven</del>.<del class="diffchange diffchange-inline">png|center|frame]][[File:EP-D1</del>.4<del class="diffchange diffchange-inline">-Fig5B-Bornholm-Bremerhaven</del>.<del class="diffchange diffchange-inline">jpg|center|frame]]<br />Figure 5: Flight track Bornholm Bremerhaven via Lindenberg observatory site</div></del></div></td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins class="diffchange diffchange-inline">On the way back to Bremerhaven (see Figure 5) a vertical profile of aerosol light extinction was measured over the Lindenberg Observatory of the German Weather Service</ins>. <ins class="diffchange diffchange-inline">The aerosol extinction coefficient profile measured with a Raman LIDAR is compared with our in situ measurements using CAPS and Mie calculations (BHMie code (Bohren and Huffman, 2007)) using our size distribution measurement of the P2e OPC</ins>. <ins class="diffchange diffchange-inline">(See Fig</ins>. 4<ins class="diffchange diffchange-inline">, 5a and 5b</ins>.<ins class="diffchange diffchange-inline">) </ins></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del class="diffchange diffchange-inline">On the way back to </del>Bremerhaven <del class="diffchange diffchange-inline">(see Figure 5) a vertical profile of aerosol light extinction was measured over the Lindenberg Observatory of the German Weather Service</del>. <del class="diffchange diffchange-inline">The aerosol extinction coefficient profile measured with a Raman LIDAR is compared with our in situ measurements using CAPS and Mie calculations (BHMie code (Bohren and Huffman, 2007)) using our size distribution measurement of the P2e OPC. (See Fig</del>. 4<del class="diffchange diffchange-inline">, 5a and 5b</del>.<del class="diffchange diffchange-inline">) </del></div></td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins class="diffchange diffchange-inline"><div class="figure" id="figure5"></ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins class="diffchange diffchange-inline">[[File:EP-D1.4-Fig5A-Bornholm-</ins>Bremerhaven.<ins class="diffchange diffchange-inline">png|500px]]</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins class="diffchange diffchange-inline">[[File:EP-D1</ins>.4<ins class="diffchange diffchange-inline">-Fig5B-Bornholm-Bremerhaven</ins>.<ins class="diffchange diffchange-inline">jpg|200px]]</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins class="diffchange diffchange-inline">Figure 5: Flight track Bornholm Bremerhaven via Lindenberg observatory site</div></ins></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>The profiles are adjusted to wavelength l=630nm. The linear regression of Figure 7 (right) shows a linear LIDAR correction factor of 0.79 which equals an expected humidity correction factor of the extinction at RH=50% with respect to particles assuming a hygroscopicity parameter (Hänel, 1976) of B0=0.6 using the parameterization by(Bundke, 2002) see Page 145 GL 6.30. This factor as well as the offset is also considered in the profiles shown in Figure 6. The origin of the offset might be caused by a baseline drift of the CAPS instrument during the decent.       </div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>The profiles are adjusted to wavelength l=630nm. The linear regression of Figure 7 (right) shows a linear LIDAR correction factor of 0.79 which equals an expected humidity correction factor of the extinction at RH=50% with respect to particles assuming a hygroscopicity parameter (Hänel, 1976) of B0=0.6 using the parameterization by(Bundke, 2002) see Page 145 GL 6.30. This factor as well as the offset is also considered in the profiles shown in Figure 6. The origin of the offset might be caused by a baseline drift of the CAPS instrument during the decent.       </div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><div class="figure" id="figure6">[[File:EP-D1.4-Fig6-Height-profiles.png|<del class="diffchange diffchange-inline">center</del>|frame|Figure 6: Height profiles of the LIDAR data are wavelength corrected to 630nm using an Angstrom Coefficient of 1.6 measured by a sun photometer in Lindenberg. The linear correlation CAPS vs LIDAR shows an linear factor of 0,79 which is corrected in this plot. This factor is caused by the humidity effect on scattering.]]</div></div></td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><div class="figure" id="figure6"></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>[[File:EP-D1.4-Fig6-Height-profiles.png|<ins class="diffchange diffchange-inline">none</ins>|frame|Figure 6: Height profiles of the LIDAR data are wavelength corrected to 630nm using an Angstrom Coefficient of 1.6 measured by a sun photometer in Lindenberg. The linear correlation CAPS vs LIDAR shows an linear factor of 0,79 which is corrected in this plot. This factor is caused by the humidity effect on scattering.]]</div></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><div class="figure" id="figure7">[[File:EP-D1.4-Fig7A-Linear-regression.png|<del class="diffchange diffchange-inline">center</del>|<del class="diffchange diffchange-inline">frame</del>]][[File:EP-D1.4-Fig7B-Linear-regression.png|<del class="diffchange diffchange-inline">center|frame</del>]]<del class="diffchange diffchange-inline"><br /></del>Figure 7: Linear regression analysis and associated scatter-plots of the profile data. About 60% of the variance of the residuals of the Mie calculation is explained by the linear regression (right) the remaining variance is caused due to the cut offs of the size measurement.<del class="diffchange diffchange-inline">]]</del></div></div></td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><div class="figure" id="figure7"></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>[[File:EP-D1.4-Fig7A-Linear-regression.png|<ins class="diffchange diffchange-inline">500px</ins>|<ins class="diffchange diffchange-inline">alt=(A) CAPS</ins>]]</div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>[[File:EP-D1.4-Fig7B-Linear-regression.png|<ins class="diffchange diffchange-inline">500px]alt=(B) LIDAR</ins>]]</div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>Figure 7: Linear regression analysis and associated scatter-plots of the profile data. About 60% of the variance of the residuals of the Mie calculation is explained by the linear regression (right) the remaining variance is caused due to the cut offs of the size measurement.</div></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>=ICOS PBL measurements=</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>=ICOS PBL measurements=</div></td></tr>
</table>
Alexander Zilliacus
http://mediawiki.envri.eu/index.php?title=Report_on_integration_across_networks:_common_strategy_and_common_sensors_for_lidar_and_aerosol_extinction_measurements&diff=1757&oldid=prev
Alexander Zilliacus at 05:39, 7 September 2020
2020-09-07T05:39:23Z
<p></p>
<table class="diff diff-contentalign-left" data-mw="interface">
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<col class="diff-content" />
<col class="diff-marker" />
<col class="diff-content" />
<tr class="diff-title" lang="en">
<td colspan="2" style="background-color: #fff; color: #222; text-align: center;">← Older revision</td>
<td colspan="2" style="background-color: #fff; color: #222; text-align: center;">Revision as of 05:39, 7 September 2020</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l94" >Line 94:</td>
<td colspan="2" class="diff-lineno">Line 94:</td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><div class="figure" id="figure4">[[File:EP-D1.4-Fig4-IAGOS-Polar6.jpg|center|frame|Figure 4: Installation on Polar6 aircraft]]</div></div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><div class="figure" id="figure4">[[File:EP-D1.4-Fig4-IAGOS-Polar6.jpg|center|frame|Figure 4: Installation on Polar6 aircraft]]</div></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><div class="figure" id="figure5">[[File:EP-D1.4-Fig5A-Bornholm-Bremerhaven.png|center|frame]][[File:EP-D1.4-Fig5B-Bornholm-Bremerhaven.<del class="diffchange diffchange-inline">png</del>|center|frame]]<br />Figure 5: Flight track Bornholm Bremerhaven via Lindenberg observatory site</div></div></td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><div class="figure" id="figure5">[[File:EP-D1.4-Fig5A-Bornholm-Bremerhaven.png|center|frame]][[File:EP-D1.4-Fig5B-Bornholm-Bremerhaven.<ins class="diffchange diffchange-inline">jpg</ins>|center|frame]]<br />Figure 5: Flight track Bornholm Bremerhaven via Lindenberg observatory site</div></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>On the way back to Bremerhaven (see Figure 5) a vertical profile of aerosol light extinction was measured over the Lindenberg Observatory of the German Weather Service. The aerosol extinction coefficient profile measured with a Raman LIDAR is compared with our in situ measurements using CAPS and Mie calculations (BHMie code (Bohren and Huffman, 2007)) using our size distribution measurement of the P2e OPC. (See Fig. 4, 5a and 5b.)  </div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>On the way back to Bremerhaven (see Figure 5) a vertical profile of aerosol light extinction was measured over the Lindenberg Observatory of the German Weather Service. The aerosol extinction coefficient profile measured with a Raman LIDAR is compared with our in situ measurements using CAPS and Mie calculations (BHMie code (Bohren and Huffman, 2007)) using our size distribution measurement of the P2e OPC. (See Fig. 4, 5a and 5b.)  </div></td></tr>
</table>
Alexander Zilliacus
http://mediawiki.envri.eu/index.php?title=Report_on_integration_across_networks:_common_strategy_and_common_sensors_for_lidar_and_aerosol_extinction_measurements&diff=1755&oldid=prev
Alexander Zilliacus: /* Joint ACTRIS IAGOS inter-comparison campaign */
2020-09-07T05:37:24Z
<p><span dir="auto"><span class="autocomment">Joint ACTRIS IAGOS inter-comparison campaign</span></span></p>
<table class="diff diff-contentalign-left" data-mw="interface">
<col class="diff-marker" />
<col class="diff-content" />
<col class="diff-marker" />
<col class="diff-content" />
<tr class="diff-title" lang="en">
<td colspan="2" style="background-color: #fff; color: #222; text-align: center;">← Older revision</td>
<td colspan="2" style="background-color: #fff; color: #222; text-align: center;">Revision as of 05:37, 7 September 2020</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l92" >Line 92:</td>
<td colspan="2" class="diff-lineno">Line 92:</td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>During the BALTEX (BALTic sea Experiment) campaign 2015 organized by the AWI. IAGOS P2c and P2e Instruments where installed on the POLAR 6 Aircraft (see Figure 4). Main goal of the campaign was to detect and characterize ship emission plumes.     </div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>During the BALTEX (BALTic sea Experiment) campaign 2015 organized by the AWI. IAGOS P2c and P2e Instruments where installed on the POLAR 6 Aircraft (see Figure 4). Main goal of the campaign was to detect and characterize ship emission plumes.     </div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>Figure 4: Installation on Polar6 aircraft  </div></td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins class="diffchange diffchange-inline"><div class="figure" id="figure4">[[File:EP-D1.4-Fig4-IAGOS-Polar6.jpg|center|frame|</ins>Figure 4: Installation on Polar6 aircraft<ins class="diffchange diffchange-inline">]]</div></ins></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>Figure 5: Flight track Bornholm Bremerhaven via Lindenberg observatory site</div></td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins class="diffchange diffchange-inline"><div class="figure" id="figure5">[[File:EP-D1.4-Fig5A-Bornholm-Bremerhaven.png|center|frame]][[File:EP-D1.4-Fig5B-Bornholm-Bremerhaven.png|center|frame]]<br /></ins>Figure 5: Flight track Bornholm Bremerhaven via Lindenberg observatory site<ins class="diffchange diffchange-inline"></div></ins></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>On the way back to Bremerhaven (see Figure 5) a vertical profile of aerosol light extinction was measured over the Lindenberg Observatory of the German Weather Service. The aerosol extinction coefficient profile measured with a Raman LIDAR is compared with our in situ measurements using CAPS and Mie calculations (BHMie code (Bohren and Huffman, 2007)) using our size distribution measurement of the P2e OPC. (See Fig. 4, 5a and 5b.)  </div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>On the way back to Bremerhaven (see Figure 5) a vertical profile of aerosol light extinction was measured over the Lindenberg Observatory of the German Weather Service. The aerosol extinction coefficient profile measured with a Raman LIDAR is compared with our in situ measurements using CAPS and Mie calculations (BHMie code (Bohren and Huffman, 2007)) using our size distribution measurement of the P2e OPC. (See Fig. 4, 5a and 5b.)  </div></td></tr>
<tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l100" >Line 100:</td>
<td colspan="2" class="diff-lineno">Line 100:</td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>The profiles are adjusted to wavelength l=630nm. The linear regression of Figure 7 (right) shows a linear LIDAR correction factor of 0.79 which equals an expected humidity correction factor of the extinction at RH=50% with respect to particles assuming a hygroscopicity parameter (Hänel, 1976) of B0=0.6 using the parameterization by(Bundke, 2002) see Page 145 GL 6.30. This factor as well as the offset is also considered in the profiles shown in Figure 6. The origin of the offset might be caused by a baseline drift of the CAPS instrument during the decent.       </div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>The profiles are adjusted to wavelength l=630nm. The linear regression of Figure 7 (right) shows a linear LIDAR correction factor of 0.79 which equals an expected humidity correction factor of the extinction at RH=50% with respect to particles assuming a hygroscopicity parameter (Hänel, 1976) of B0=0.6 using the parameterization by(Bundke, 2002) see Page 145 GL 6.30. This factor as well as the offset is also considered in the profiles shown in Figure 6. The origin of the offset might be caused by a baseline drift of the CAPS instrument during the decent.       </div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>Figure 6: Height profiles of the LIDAR data are wavelength corrected to 630nm using an Angstrom Coefficient of 1.6 measured by a sun photometer in Lindenberg. The linear correlation CAPS vs LIDAR shows an linear factor of 0,79 which is corrected in this plot. This factor is caused by the humidity effect on scattering.</div></td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins class="diffchange diffchange-inline"><div class="figure" id="figure6">[[File:EP-D1.4-Fig6-Height-profiles.png|center|frame|</ins>Figure 6: Height profiles of the LIDAR data are wavelength corrected to 630nm using an Angstrom Coefficient of 1.6 measured by a sun photometer in Lindenberg. The linear correlation CAPS vs LIDAR shows an linear factor of 0,79 which is corrected in this plot. This factor is caused by the humidity effect on scattering.<ins class="diffchange diffchange-inline">]]</div></ins></div></td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del class="diffchange diffchange-inline"> </del></div></td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div> </div></td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>Figure 7: Linear regression analysis and associated scatter-plots of the profile data. About 60% of the variance of the residuals of the Mie calculation is explained by the linear regression (right) the remaining variance is caused due to the cut offs of the size measurement.</div></td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins class="diffchange diffchange-inline"><div class="figure" id="figure7">[[File:EP-D1.4-Fig7A-Linear-regression.png|center|frame]][[File:EP-D1.4-Fig7B-Linear-regression.png|center|frame]]<br /></ins>Figure 7: Linear regression analysis and associated scatter-plots of the profile data. About 60% of the variance of the residuals of the Mie calculation is explained by the linear regression (right) the remaining variance is caused due to the cut offs of the size measurement.<ins class="diffchange diffchange-inline">]]</div></ins></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>=ICOS PBL measurements=</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>=ICOS PBL measurements=</div></td></tr>
</table>
Alexander Zilliacus
http://mediawiki.envri.eu/index.php?title=Report_on_integration_across_networks:_common_strategy_and_common_sensors_for_lidar_and_aerosol_extinction_measurements&diff=1743&oldid=prev
Alexander Zilliacus: /* Basic Setup of a LIDAR system */
2020-09-07T05:17:41Z
<p><span dir="auto"><span class="autocomment">Basic Setup of a LIDAR system</span></span></p>
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<td colspan="2" style="background-color: #fff; color: #222; text-align: center;">← Older revision</td>
<td colspan="2" style="background-color: #fff; color: #222; text-align: center;">Revision as of 05:17, 7 September 2020</td>
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<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>The basic setup of a LIDAR system is shown in Figure 1 In principle, a LIDAR system consists of a transmitter and a receiver. Short light pulses in the range of a few to several hundred nanoseconds and specific spectral properties are emitted by the laser. At the receiver side a telescope collects the photons backscattered from the atmosphere. The collected light is then usually transferred toward an optical analyzing system. Here, depending on the application, specific wavelengths or polarization states out of the collected light are selected. The following detector converts the optical signal into an electrical signal. The intensity of this signal as function of the time elapsed after the transmission of the laser pulse is determined electronically and stored in a computer. (Weitkamp, 2005)  </div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>The basic setup of a LIDAR system is shown in Figure 1 In principle, a LIDAR system consists of a transmitter and a receiver. Short light pulses in the range of a few to several hundred nanoseconds and specific spectral properties are emitted by the laser. At the receiver side a telescope collects the photons backscattered from the atmosphere. The collected light is then usually transferred toward an optical analyzing system. Here, depending on the application, specific wavelengths or polarization states out of the collected light are selected. The following detector converts the optical signal into an electrical signal. The intensity of this signal as function of the time elapsed after the transmission of the laser pulse is determined electronically and stored in a computer. (Weitkamp, 2005)  </div></td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del class="diffchange diffchange-inline"> </del></div></td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div> </div></td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del class="diffchange diffchange-inline">FIGURE </del>1 <del class="diffchange diffchange-inline">PRINCIPLE SETUP OF A </del>LIDAR <del class="diffchange diffchange-inline">SYSTEM</del>. <del class="diffchange diffchange-inline">MODIFIED FROM </del>(<del class="diffchange diffchange-inline">WEITKAMP</del>, 2005)  </div></td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins class="diffchange diffchange-inline"><div class="figure" id="figure1">[[File:EP-D1.4-Fig1-LIDAR-setup.png|center|frame|Figure </ins>1<ins class="diffchange diffchange-inline">: Principle setup of a </ins>LIDAR <ins class="diffchange diffchange-inline">system</ins>. <ins class="diffchange diffchange-inline">Modified from </ins>(<ins class="diffchange diffchange-inline">Weitkamp</ins>, 2005)<ins class="diffchange diffchange-inline">.]]</div></ins></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>====Standard backscatter LIDAR====</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>====Standard backscatter LIDAR====</div></td></tr>
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<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>EARLINET (www.earlinet.org) was established in 2000 as a research project funded by the European Commission, within the Fifth Framework Program, with the main goal of providing a comprehensive, quantitative, and statistically significant database for the aerosol distribution on a continental scale. EARLINET includes 27 LIDAR stations (Raman LIDAR stations, multi-wave Raman LIDAR stations, back-scatter Raman LIDAR stations: see Figure 2) After the end of this 3-year project, the network activity continued based on a voluntary association and was finally merged into ACTRIS research infrastructure <ref>http://www.actris.eu/</ref> (Pappalardo et al., 2014).  </div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>EARLINET (www.earlinet.org) was established in 2000 as a research project funded by the European Commission, within the Fifth Framework Program, with the main goal of providing a comprehensive, quantitative, and statistically significant database for the aerosol distribution on a continental scale. EARLINET includes 27 LIDAR stations (Raman LIDAR stations, multi-wave Raman LIDAR stations, back-scatter Raman LIDAR stations: see Figure 2) After the end of this 3-year project, the network activity continued based on a voluntary association and was finally merged into ACTRIS research infrastructure <ref>http://www.actris.eu/</ref> (Pappalardo et al., 2014).  </div></td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del class="diffchange diffchange-inline"> </del></div></td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div> </div></td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>Figure 2: Map of the earlinet stations currently active. Red dots indicate multi wavelength raman LIDAR stations (EARLINET core stations). Green dots correspond to stations with at least one raman channel. Violet dots denote LIDARs with only elastic backscatter channels. The ||⊥ symbol indicates that the station has depolarization-measurement capabilities. The "sun" (☀) symbol means collocation with an AERONET sun photometer<ref>http://aeronet.gsfc.nasa.gov/</ref>. Adapted From (Pappalardo Et Al., 2014)</div></td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins class="diffchange diffchange-inline"><div class="figure" id="figure2">[[File:EP-D1.4-Fig2-EARLINET-stations.jpg|center|frame|</ins>Figure 2: Map of the earlinet stations currently active. Red dots indicate multi wavelength raman LIDAR stations (EARLINET core stations). Green dots correspond to stations with at least one raman channel. Violet dots denote LIDARs with only elastic backscatter channels. The ||⊥ symbol indicates that the station has depolarization-measurement capabilities. The "sun" (☀) symbol means collocation with an AERONET sun photometer<ref>http://aeronet.gsfc.nasa.gov/</ref>. Adapted From (Pappalardo Et Al., 2014)<ins class="diffchange diffchange-inline">]]</div></ins></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>===EARLINET single calculus chain (SSC)===</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>===EARLINET single calculus chain (SSC)===</div></td></tr>
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Alexander Zilliacus