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Geographical distribution and seasonal variation of surface emissions and deposition velocities of atmospheric trace gases

Müller, Jean‐François·1992·Journal of Geophysical Research: Atmospheres

Abstract

The geographical distributions on the global scale of trace gas surface emission and deposition are established on the basis of a variety of technical, geographic, and climatic data. The 5° × 5° resolution maps of the sources and deposition velocities are constructed, which can be used as surface boundary conditions in a three‐dimensional chemical/transport model of the troposphere. Special attention is devoted to emissions of CO, NOx, and several nonmethane hydrocarbons (NMHC) and to the fossil fuel emissions of methane. Anthropogenic sources, i.e., the emissions produced or controlled by human activities, represent about 75% or more of the total surface emissions of CO, CH 4, SOx and NOx and about two thirds of the total production of atmospheric CO (from surface sources and atmospheric oxidation of hydrocarbons). The possibility arises that methane releases from natural gas exploitation in the USSR are substantially larger than accounted for in previous studies, implying possible important consequences for the methane budget.

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Metadata

Authors
Müller, J.
Venue
Journal of Geophysical Research: Atmospheres
Published
1992-03-20
Volume
97
Issue
D4
Pages
3787-3804
ISSN
0148-0227 (ISSN-L)
OpenAlex
W2001012574
Cited by
423
References
0
FWCI
9.51
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Geographical distribution and seasonal variation of surface emissions and deposition velocities of atmospheric trace gases. https://app.cochat.ai/papers/10.1029/91jd02757
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Müller, J. (1992). Geographical distribution and seasonal variation of surface emissions and deposition velocities of atmospheric trace gases. Journal of Geophysical Research: Atmospheres. https://doi.org/10.1029/91jd02757

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