"\"tendency_of_X\" means derivative of X with respect to time. The construction \"moles_of_X_in_atmosphere\" means the total number of moles of X contained in the entire atmosphere, i.e, summed over the atmospheric column and over the entire globe. The chemical formula of methane is CH4."@en . . "" . "1" . . . "2009-07-06 16:30:45.0" . . "tendency_of_moles_of_methane_in_atmosphere"@en . . . "true" . . . "SDN:P07::CFV8N105" . "2009-07-06 16:30:45.0" . "SDN:P07::CFV8N105" . "SDN:P07::CFV8N105" . . "1" . "deprecated"@en . .