The seasonal variation of the CO2 flux over Tropical Asia estimated fromGOSAT, CONTRAIL, and IASI

被引：42

作者：

Basu, S. ^{[1
,2
,3
]}

Krol, M. ^{[1
,3
,4
]}

Butz, A. ^{[5
]}

Clerbaux, C. ^{[6
]}

Sawa, Y. ^{[7
]}

Machida, T. ^{[8
]}

Matsueda, H. ^{[7
]}

Frankenberg, C. ^{[9
]}

Hasekamp, O. P. ^{[1
]}

Aben, I. ^{[1
]}

机构：

[1] SRON Netherlands Inst Space Res, Utrecht, Netherlands

[2] NOAA, ESRL GMD, Boulder, CO USA

[3] Univ Utrecht, Inst Marine & Atmospher Res Utrecht, Utrecht, Netherlands

[4] Univ Wageningen & Res Ctr, MAQ, Wageningen, Netherlands

[5] Karlsruhe Inst Technol, IMK ASF, Eggenstein Leopoldshafen, Germany

[6] Univ Paris 06, Univ Versailles St Quentin En Yvelines, CNRS INSU, LATMOS IPSL, Paris, France

[7] Meteorol Res Inst, Tsukuba, Ibaraki 305, Japan

[8] Natl Inst Environm Studies, Tsukuba, Ibaraki, Japan

[9] CALTECH, Jet Prop Lab, Pasadena, CA USA

来源：

GEOPHYSICAL RESEARCH LETTERS | 2014年 / 41卷 / 05期

关键词：

inverse modeling; Tropical Asia; GOSAT; CONTRAIL; IASI; ATMOSPHERIC CO2; CARBON BALANCE; EMISSIONS; GOSAT; RETRIEVALS; AEROSOL; FIRES;

D O I：

10.1002/2013GL059105

中图分类号：

P [天文学、地球科学];

学科分类号：

07 ;

摘要：

We estimate the CO2 flux over Tropical Asia in 2009, 2010, and 2011 using Greenhouse Gases Observing Satellite (GOSAT) total column CO2(XCO2) and in situ measurements of CO2. Compared to flux estimates from assimilating surface measurements of CO2, GOSAT XCO2 estimates a more dynamic seasonal cycle and a large source in March-May 2010. The more dynamic seasonal cycle is consistent with earlier work by Patra et al. (2011), and the enhanced 2010 source is supported by independent upper air CO2 measurements from the Comprehensive Observation Network for Trace gases by Airliner (CONTRAIL) project. Using Infrared Atmospheric Sounding Interferometer (IASI) measurements of total column CO (XCO), we show that biomass burning CO2 can explain neither the dynamic seasonal cycle nor the 2010 source. We conclude that both features must come from the terrestrial biosphere. In particular, the 2010 source points to biosphere response to above-average temperatures that year. Key Points <list list-type="bulleted"> <list-item id="grl51488-li-0001">GOSAT estimates a dynamic seasonal cycle over Tropical Asia <list-item id="grl51488-li-0002">The GOSAT-estimated seasonal cycle is confirmed by CONTRAIL data <list-item id="grl51488-li-0003">IASI CO shows that the dynamism is not caused by biomass burning

引用

页码：1809 / 1815

页数：7

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