On the possible increase of the atmospheric methane and carbon monoxide concentrations during the last decade | Zendy

Graedel T. E. | Zendy; McRae J. E. | Zendy

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On the possible increase of the atmospheric methane and carbon monoxide concentrations during the last decade

Author(s) -

Graedel T. E.,

McRae J. E.

Publication year - 1980

Publication title -

geophysical research letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.007

H-Index - 273

eISSN - 1944-8007

pISSN - 0094-8276

DOI - 10.1029/gl007i011p00977

Subject(s) - methane , carbon monoxide , environmental science , atmospheric sciences , atmospheric methane , maxima and minima , atmospheric carbon cycle , monoxide , climatology , meteorology , carbon dioxide , chemistry , geology , geography , carbon sequestration , mathematics , inorganic chemistry , biochemistry , organic chemistry , mathematical analysis , catalysis

Various published measurements of the background concentrations of ground level atmospheric methane suggest an increase from ∼1.6 ppm to ∼1.7 ppm over the past decade. To supplement these analyses, we have analyzed ten years of continuous data from three urban/suburban sites and find that the annual minima in the monthly midmeans of daily minima follow this suggested pattern in both direction and magnitude. A similar but less well‐characterized result is obtained for carbon monoxide as well.

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