Temporal change in monthly averages of the variation ratio of the atmospheric CO2 to CH4 in January, February, and March observed at Hateruma Island since 1998. The grey thick line represents the ...
Annual increase in whole-atmosphere mean methane concentration for 2021 marks the largest since 2011
The National Institute for Environmental Studies (NIES) has promoted the Greenhouse gases Observing SATellite Series (GOSAT Series), a Japanese satellite project for greenhouse gas observation from ...
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