DOI: 10.1002/2013GL058772
论文题名: Toward robust and consistent regional CO2 flux estimates from in situ and spaceborne measurements of atmospheric CO2
作者: Chevallier F. ; Palmer P.I. ; Feng L. ; Boesch H. ; O'Dell C.W. ; Bousquet P.
刊名: Geophysical Research Letters
ISSN: 0094-10401
EISSN: 1944-10132
出版年: 2014
卷: 41, 期: 3 起始页码: 1065
结束页码: 1070
语种: 英语
英文关键词: CO2
; GOSAT
; inversion
; satellite
; surface flux
Scopus关键词: Bayesian networks
; Estimation
; Inference engines
; Models
; Satellites
; Uncertainty analysis
; Atmospheric inversions
; Atmospheric transport model
; CO2
; GOSAT
; Greenhouse gases observing satellites
; inversion
; Regional differences
; Surface flux
; Carbon dioxide
; algorithm
; atmospheric modeling
; atmospheric transport
; carbon cycle
; carbon dioxide
; carbon flux
; estimation method
; GOSAT
; measurement method
; satellite data
英文摘要: We evaluate the robustness and consistency of global and regional posterior CO2 flux estimates for 2010 inferred from two versions of bias-corrected CO2 column retrievals from the Japanese Greenhouse Gases Observing Satellite (GOSAT). Six satellite-based inversions, generated from three atmospheric transport models and two independent Bayesian inference algorithms, facilitate a rigorous investigation of the uncertainty of the inverted fluxes. This ensemble shows hemispheric and regional differences in posterior flux estimates that are beyond 1 sigma uncertainties and in some regions are unrealistic. We recognize the importance of these satellite data in further understanding the contemporary carbon cycle but we argue that more resources should be invested in characterizing the errors of the prior fluxes, the systematic errors of the retrievals, and the systematic errors of the transport models, to improve confidence in the resulting posterior fluxes. Key Points Nine global CO2 atmospheric inversions are compared The CO2 fluxes inferred from the satellite data show limited realism The satellite-inferred fluxes show large sensitivity to all input information ©2014. The Authors. URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84893863328&doi=10.1002%2f2013GL058772&partnerID=40&md5=2c70d7d2b9284f503e2c89f56f9a30cd
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/7665
Appears in Collections: 气候减缓与适应
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作者单位: Laboratoire des Sciences du Climat et de l'Environnement, CEA-CNRS-UVSQ, IPSL, Gif sur Yvette, France
Recommended Citation:
Chevallier F.,Palmer P.I.,Feng L.,et al. Toward robust and consistent regional CO2 flux estimates from in situ and spaceborne measurements of atmospheric CO2[J]. Geophysical Research Letters,2014-01-01,41(3).