On the determination of atmospheric minor gases by the method of vanishing partial derivatives with application to CO2 -: art. no. L22803

被引：134

作者：

Chahine, M

Barnet, C

Olsen, ET

Chen, L

Maddy, E

机构：

[1] CALTECH, Jet Prop Lab, Pasadena, CA 91109 USA

[2] Natl Environm Satellite Data & Informat Serv, NOAA, Camp Springs, MD 20746 USA

[3] QSS Grp Inc, Lanham, MD 20706 USA

来源：

GEOPHYSICAL RESEARCH LETTERS | 2005年 / 32卷 / 22期

关键词：

D O I：

10.1029/2005GL024165

中图分类号：

P [天文学、地球科学];

学科分类号：

07 ;

摘要：

We present a general method for the determination of minor gases in the troposphere from high spectral resolution observations. In this method, we make use of a general property of the total differential of multi-variable functions to separate the contributions of each individual minor gas. We have applied this method to derive the mixing ratio of carbon dioxide in the mid-troposphere using data from the Atmospheric Infrared Sounder ( AIRS) currently flying on the NASA Aqua Mission. We compare our results to the aircraft flask CO2 measurements obtained by H. Matsueda et al. over the western Pacific and demonstrate skill in tracking the measured 5 ppmv seasonal variation with an accuracy of 0.43 +/- 1.20 ppmv.

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页码：1 / 5

页数：5

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