Articles | Volume 22, issue 16
https://doi.org/10.5194/acp-22-10589-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-22-10589-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
19 Aug 2022
Research article |
| 19 Aug 2022
| 19 Aug 2022
Retrieving instantaneous extinction of aerosol undetected by the CALIPSO layer detection algorithm
Feiyue Mao
School of Remote Sensing and Information Engineering, Wuhan
University, Wuhan 430079, China
State Key Laboratory of Information Engineering in Surveying, Mapping, and Remote Sensing, Wuhan University, Wuhan 430079, China
Ruixing Shi
School of Remote Sensing and Information Engineering, Wuhan
University, Wuhan 430079, China
Daniel Rosenfeld
Institute of Earth Sciences, The Hebrew University of Jerusalem,
Jerusalem 91904, Israel
State Key Laboratory of Information Engineering in Surveying, Mapping, and Remote Sensing, Wuhan University, Wuhan 430079, China
Institute of Earth Sciences, The Hebrew University of Jerusalem,
Jerusalem 91904, Israel
State Key Laboratory of Information Engineering in Surveying, Mapping, and Remote Sensing, Wuhan University, Wuhan 430079, China
School of Electronic Information, Wuhan University, Wuhan 430079,
China
Yannian Zhu
School of Atmospheric Sciences, Nanjing University, Nanjing 210023,
China
Joint International Research Laboratory of Atmospheric and Earth
System Sciences & Institute for Climate and Global Change Research,
Nanjing University, Nanjing 210023, China
Xin Lu
State Key Laboratory of Information Engineering in Surveying, Mapping, and Remote Sensing, Wuhan University, Wuhan 430079, China
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Short summary
Previous studies generally ignored the faint aerosols undetected by the CALIPSO layer detection algorithm because they are too optically thin. Here, we retrieved the faint aerosol extinction based on instantaneous CALIPSO observations with the constraint of SAGE data. The correlation and normalized root-mean-square error of the retrievals with independent SAGE data are 0.66 and 100.6 %, respectively. The minimum retrieved extinction at night can be extended to 10-4 km-1 with 125 % uncertainty.
Previous studies generally ignored the faint aerosols undetected by the CALIPSO layer detection...
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