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Methane emissions from lakes: Dependence of lake characteristics, two regional assessments, and a global estimate
Linköping University, Department of Thematic Studies, Department of Water and Environmental Studies. Linköping University, Faculty of Arts and Sciences.
Institute of Ecosystem Studies, Millbrook, New York, USA.
Institute of Ecosystem Studies, Millbrook, New York, USA.
Department of Limnology, Evolutionary Biology Centre, Uppsala University, Uppsala, Sweden.
2004 (English)In: Global Biogeochemical Cycles, ISSN 0886-6236, E-ISSN 1944-9224, Vol. 18, no 4, GB4009Article in journal (Refereed) Published
Abstract [en]

[ 1] Lake sediments are "hot spots'' of methane production in the landscape. However, regional and global lake methane emissions, contributing to the greenhouse effect, are poorly known. We developed predictions of methane emissions from easily measured lake characteristics based on measurements for 11 North American and 13 Swedish lakes, and literature values from 49 lakes. Results suggest that open water methane emission can be predicted from variables such as lake area, water depth, concentrations of total phosphorus, dissolved organic carbon, and methane, and the anoxic lake volume fraction. Using these relations, we provide regional estimates from lakes in Sweden and the upper midwest of the United States. Considering both open water and plant-mediated fluxes, we estimate global emissions as 8 - 48 Tg CH4 yr(-1) (6 - 16% of total natural methane emissions and greater than oceanic emission), indicating that lakes should be included as a significant source in global methane budgets.

Place, publisher, year, edition, pages
Wiley-Blackwell Publishing Inc., 2004. Vol. 18, no 4, GB4009
National Category
Environmental Sciences
Identifiers
URN: urn:nbn:se:liu:diva-28222DOI: 10.1029/2004GB002238ISI: 000224876500002Scopus ID: 2-s2.0-15944390886OAI: oai:DiVA.org:liu-28222DiVA: diva2:248975
Available from: 2009-10-09 Created: 2009-10-09 Last updated: 2017-12-13Bibliographically approved

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Bastviken, David

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • oxford
  • Other style
More styles
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  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
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