Bridging the gap between atmospheric concentrations and local ecosystem measurements

被引：32

作者：

Lauvaux, T. ^{[1
,2
]}

Gioli, B.

Sarrat, C. ^{[2
]}

Rayner, P. J. ^{[1
]}

Ciais, P. ^{[1
]}

Chevallier, F. ^{[1
]}

Noilhan, J. ^{[2
]}

Miglietta, F. ^{[3
]}

Brunet, Y. ^{[4
]}

Ceschia, E. ^{[5
]}

Dolman, H. ^{[6
]}

Elbers, J. A. ^{[7
]}

Gerbig, C. ^{[8
]}

Hutjes, R. ^{[7
]}

Jarosz, N. ^{[9
]}

Legain, D. ^{[2
]}

Uliasz, M. ^{[10
]}

机构：

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

[2] CNRM, F-31057 Toulouse, France

[3] CNR, Inst Biometeorol, I-50145 Florence, Italy

[4] EPHYSE, INRA, Bordeaux, France

[5] CESBIO, F-31401 Toulouse 9, France

[6] Vrije Univ Amsterdam, Dept Hydrol & Geoenvironm Sci, NL-1081 HV Amsterdam, Netherlands

[7] Univ Wageningen & Res Ctr, Ctr Water & Climate, NL-6700 AA Wageningen, Netherlands

[8] Max Planck Inst Biogeochem, D-07745 Jena, Germany

[9] CESBIO, F-32000 Auch, France

[10] Colorado State Univ, Dept Atmospher Sci, Ft Collins, CO 80523 USA

来源：

GEOPHYSICAL RESEARCH LETTERS | 2009年 / 36卷

关键词：

CO2; SOURCES;

D O I：

10.1029/2009GL039574

中图分类号：

P [天文学、地球科学];

学科分类号：

07 ;

摘要：

This paper demonstrates that atmospheric inversions of CO2 are a reliable tool for estimating regional fluxes. We compare results of an inversion over 18 days and a 300 x 300 km 2 domain in southwest France against independent measurements of fluxes from aircraft and towers. The inversion used concentration measurements from 2 towers while the independent data included 27 aircraft transects and 5 flux towers. The inversion reduces the mismatch between prior and independent fluxes, improving both spatial and temporal structures. The present mesoscale atmospheric inversion improves by 30% the CO2 fluxes over distances of few hundreds of km around the atmospheric measurement locations. Citation: Lauvaux, T., et al. (2009), Bridging the gap between atmospheric concentrations and local ecosystem measurements, Geophys. Res. Lett., 36, L19809, doi: 10.1029/2009GL039574.

引用

页数：5

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