Articles | Volume 16, issue 8
Atmos. Chem. Phys., 16, 5043–5062, 2016
https://doi.org/10.5194/acp-16-5043-2016
Atmos. Chem. Phys., 16, 5043–5062, 2016
https://doi.org/10.5194/acp-16-5043-2016

Research article 22 Apr 2016

Research article | 22 Apr 2016

Inverse modeling of GOSAT-retrieved ratios of total column CH4 and CO2 for 2009 and 2010

Sudhanshu Pandey et al.

Data sets

RemoTeC XCH4 PROXY GOSAT Data Products Detmers, R. and Hasekamp, O. http://http://www.esa-ghg-cci.org/?q=webfm_send/180

Atmospheric Methane Dry Air Mole Fractions from the NOAA ESRL Carbon Cycle Cooperative Global Air Sampling Network Dlugokencky, E. J., Lang, P. M., Crotwell, A. M., Masarie, K. A., and Crotwell, M. J. ftp://aftp.cmdl.noaa.gov/data/trace_gases/ch4/flask/surface/

CarbonTracker CO2 fluxes, NOAA ESRL, Boulder, Colorado, USA Tans, P., Jacobson, A., Schuldt, K., Mund, J., Trudeau, M., Peters, W., Andrews, A., Sweeney, C., Miller, J. B., Oda, T., Bruhwiler, L., and Pétron, G. http://carbontracker.noaa.gov

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Short summary
This study investigates the constraint provided by measurements of Xratio (XCH4/XCO2) from space on surface fluxes of CH4 and CO2. We apply the ratio inversion method described in Pandey et al. (2015) to Xratio retrievals from the GOSAT with the TM5-4DVAR inverse modeling system, to constrain the surface fluxes of CH4 and CO2 for 2009 and 2010. The results are compared to proxy CH4 inversions using model-derived-XCO2 mixing ratios from CarbonTracker and MACC.
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