AIRS-based versus flask-based estimation of carbon surface fluxes

被引：36

作者：

Chevallier, Frederic ^{[1
]}

Engelen, Richard J. ^{[2
]}

Carouge, Claire ^{[1
]}

Conway, Thomas J. ^{[3
]}

Peylin, Philippe ^{[1
]}

Pickett-Heaps, Christopher ^{[1
]}

Ramonet, Michel ^{[1
]}

Rayner, Peter J. ^{[1
]}

Xueref-Remy, Irene ^{[1
]}

机构：

[1] Lab Sci Climat & Environm, F-91191 Gif Sur Yvette, France

[2] European Ctr Medium Range Weather Forecasts, Reading RG2 9AX, Berks, England

[3] NOAA, Global Monitoring Div, Earth Syst Res Lab, Boulder, CO 80305 USA

来源：

JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES | 2009年 / 114卷

关键词：

ASSIMILATION; EXCHANGE; SINKS; MODEL; LAND;

D O I：

10.1029/2009JD012311

中图分类号：

P4 [大气科学（气象学）];

学科分类号：

0706 ; 070601 ;

摘要：

This paper demonstrates an inversion of surface CO2 fluxes using concentrations derived from assimilation of satellite radiances. Radiances come from the Atmospheric Infrared Sounder (AIRS) and are assimilated within the system of the European Centre for Medium-Range Weather Forecasts. We evaluate the quality of the inverted fluxes by comparing simulated concentrations with independent airborne measurements. As a benchmark we use an inversion based on surface flask measurements and another using only the global concentration trend. We show that the AIRS-based inversion is able to improve the match to the independent data compared to the prior estimate but that it usually performs worse than either the flask-based or trend-based inversion.

引用

页数：9

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