Research Papers

Remote sounding of atmospheric pressure profile from space, part 2: channel selection

[+] Author Affiliations
Zhaoxian Zhang, Tie Lin, Junhao Chu

Shanghai Institute of Technical Physics, Chinese Academy of Sciences, National Laboratory for Infrared Physics, Yu Tian Road 500, Shanghai, 200083 China

J. Appl. Remote Sens. 4(1), 043522 (April 2, 2010). doi:10.1117/1.3407593
History: Received November 17, 2009; Revised January 29, 2010; Accepted February 19, 2010; April 2, 2010; Online April 02, 2010
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Abstract

The expressions are derived for both the sensitivity of retrieved surface pressure and that of radiance measurement to atmospheric temperature profile in detail. Calculations indicate that the later should not be regarded as one of bases for channel selection. After removing channels with very large maximal relative fitting errors of atmospheric transmittance model and mean transmittance model, weak absorption channels and channels with higher sensitivity of retrieval surface pressure to atmospheric temperature profile, the remote sounding accuracy of surface pressure with 1000 hPa is improved by about 3.2~21hPa.

© 2010 Society of Photo-Optical Instrumentation Engineers

Citation

Zhaoxian Zhang ; Tie Lin and Junhao Chu
"Remote sounding of atmospheric pressure profile from space, part 2: channel selection", J. Appl. Remote Sens. 4(1), 043522 (April 2, 2010). ; http://dx.doi.org/10.1117/1.3407593


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