② Ratio of CH4 and CO emissions for each city calculated from the GOSAT-2 to the EDGAR emissions. (IMAGE)

National Institute for Environmental Studies

② Ratio of CH4 and CO emissions for each city calculated from the GOSAT-2 to the EDGAR emissions.

Caption

  • Ratio of (a) CH4 and (b) CO emissions for each city calculated from the GOSAT-2 enhancement ratio and the 2019 ODIAC CO2 emissions to the EDGAR emissions. The EDGAR values used for comparison are from version 7.0 (2019) for CH4 and version 6.1 (2018) for CO. The error bars (vertical lines at the top of each bar graph) were calculated from the uncertainty of the emissions estimated from GOSAT-2 data. Values greater (smaller) than 1 indicate that EDGAR was underestimating (overestimating) emissions compared to those calculated from GOSAT-2 data.

Credit

National Institute for Environmental Studie

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