North Siberian lakes: A methane source fueled by Pleistocene carbon
- Pacific Institute for Geography, Far-East Branch, Cherski (Russian Federation)
- Univ. of California, Irvine, CA (United States); and others
The sizes of major sources and sinks of atmospheric methane (CH{sub 4}), an important greenhouse gas, are poorly known. CH{sub 4} from north Siberian lakes contributes {approximately}1.5 teragrams CH{sub 4} year{sup -1} to observed winter increases in atmospheric CH{sub 4} concentration at high northern latitudes. CH{sub 4} emitted from these lakes in winter had a radiocarbon age of 27,200 years and was derived largely from Pleistocene-aged carbon.
- OSTI ID:
- 569298
- Journal Information:
- Science, Vol. 277, Issue 5327; Other Information: PBD: 8 Aug 1997
- Country of Publication:
- United States
- Language:
- English
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