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Journal Articles

Global geological methane emissions: An update of top-down and bottom-up estimates

Giuseppe Etiope, Stefan Schwietzke
Journal: Elementa: Science of the Anthropocene
Elementa: Science of the Anthropocene (2019) 7: 47.
https://doi.org/10.1525/elementa.383
Published: 19 November 2019
... (activity). Based on recent global grid maps and updated evaluations of mud volcano and microseepage emissions, the global geo-CH 4 source is now (bottom-up) estimated to be 45 (27–63) Tg yr –1 , i.e., ~8% of total CH 4 sources. Top-down verifications, based on independent approaches (including ethane...
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Includes: Supplementary data