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- Title
Aerosol retrieval from multiangle multispectral photopolarimetric measurements: importance of spectral range and angular resolution.
- Authors
Wu, L.; Hasekamp, O.; van Diedenhoven, B.; Cairns, B.
- Abstract
We investigated the importance of spectral range and angular resolution for aerosol retrieval from multi-angle photo-polarimetric measurements over land. For this purpose, we use an extensive set of simulated measurements for different spectral ranges and angular resolutions and subsets of real measurements of the airborne Research Scanning Polarimeter (RSP) carried out during the PODEX and SEAC4RS campaigns over continental US. Aerosol retrievals performed from RSP measurements show good agreement with ground based AERONET measurements for AOT, SSA, and refractive index. Furthermore, we found that inclusion of shortwave infrared bands (1590 and/or 2250nm) significantly improves the retrieval of AOT, SSA and coarse mode microphysical properties. On the other hand, retrieval accuracies on aerosol properties do not improve significantly if more than 10 viewing angles are used in the retrieval.
- Subjects
ATMOSPHERIC aerosols; POLARIMETRY; AIR pollutants; SHORTWAVE therapy; INFRARED absorption
- Publication
Atmospheric Measurement Techniques Discussions, 2015, Vol 8, Issue 3, p2793
- ISSN
1867-8610
- Publication type
Article
- DOI
10.5194/amtd-8-2793-2015