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The atmospheric CH4 increase since the Last Glacial Maximum: (1). Source estimates Cover

The atmospheric CH4 increase since the Last Glacial Maximum: (1). Source estimates

Open Access
|Jan 1993

Abstract

An estimate of the distribution of wetland area and associated CH4 emission is presented for the Last Glacial Maximum (LGM, 18 kyr BP, kiloyear Before Present) and the Pre-Industrial Holocene (PIH, 9000–200 years BP). The wetland source, combined with estimates of the other biogenic sources and sink, yields total source strengths of 120 and 180 Tg CH4/yr for LGM and PIH respectively. These source strengths are shown to be consistent with source estimates inferred from a photochemical model, and point to changes in wetland CH4 source as a major factor driving the atmospheric CH4 increase from LGM to PIH.

Language: English
Page range: 228 - 241
Submitted on: Mar 27, 1992
Accepted on: Nov 9, 1992
Published on: Jan 1, 1993
Published by: Stockholm University Press
In partnership with: Paradigm Publishing Services

© 1993 Jérôme A. Chappellaz, Inez Y. Fung, Anne M. Thompson, published by Stockholm University Press
This work is licensed under the Creative Commons Attribution 4.0 License.