Application of the two-stream inversion algorithm for retrieval of extinction, backscatter, and lidar ratio for clean and polluted Arctic air

Iwona S. Stachlewska; Christoph Ritter; Roland Neuber

doi:10.1117/12.629317

31 October 2005 Application of the two-stream inversion algorithm for retrieval of extinction, backscatter, and lidar ratio for clean and polluted Arctic air

Iwona S. Stachlewska, Christoph Ritter, Roland Neuber

Author Affiliations +

Proceedings Volume 5984, Lidar Technologies, Techniques, and Measurements for Atmospheric Remote Sensing; 598403 (2005) https://doi.org/10.1117/12.629317
Event: SPIE Remote Sensing, 2005, Bruges, Belgium

Abstract

The background aerosol conditions and the conditions contaminated with aerosol of antropogenic origin (Arctic haze) were investigated during two Arctic campaigns, the Arctic Study of Tropospheric Aerosols, Clouds and Radiation (ASTAR) in 2004 and Svalbard Experiment (SVALEX) in 2005, respectively. Results obtained by application of the two-stream inversion algorithm to the elastic lidar signals measured on two days representative for each campaign are presented. The calculations were done using signals obtained by the nadir-looking Airborne Mobile Aerosol Lidar (AMALi) probing lower troposphere from the AWI research aircraft Polar 2 overflying the stationary Koldewey Aerosol Raman Lidar (KARL) based at the AWI Koldewey Research Station in Ny Ålesund, Svalbard. The method allowed independent retrieval of extinction and backscatter coefficient profiles and lidar ratio profiles for each of the two days representative for both clean and polluted lower troposphere in Arctic.

Citation Download Citation

Iwona S. Stachlewska, Christoph Ritter, and Roland Neuber "Application of the two-stream inversion algorithm for retrieval of extinction, backscatter, and lidar ratio for clean and polluted Arctic air", Proc. SPIE 5984, Lidar Technologies, Techniques, and Measurements for Atmospheric Remote Sensing, 598403 (31 October 2005); https://doi.org/10.1117/12.629317

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