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Global increase in methane production under future warming of lake bottom waters

Jansen, Joachim, 1989- (author)
Uppsala universitet,Limnologi,Uppsala Univ, Sweden
Woolway, Richard Iestyn (author)
Bangor Univ, Sch Ocean Sci, Anglesey, Wales.
Kraemer, Benjamin M. (author)
IGB Leibniz Inst Freshwater Ecol & Inland Fisheri, Ecosyst Res Dept, Berlin, Germany.
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Albergel, Clement (author)
ECSAT, European Space Agcy Climate Off, Harwell Campus, Didcot, Oxon, England.
Bastviken, David, Professor, 1971- (author)
Linköpings universitet,Tema Miljöförändring,Filosofiska fakulteten
Weyhenmeyer, Gesa A. (author)
Uppsala universitet,Limnologi,Uppsala Univ, Sweden
Marce, Rafael (author)
Catalan Inst Water Res, Girona, Spain.;Univ Girona, Girona, Spain.
Sharma, Sapna (author)
York Univ, Dept Biol, Toronto, ON, Canada.
Sobek, Sebastian (author)
Uppsala universitet,Limnologi,Uppsala Univ, Sweden
Tranvik, Lars J. (author)
Uppsala universitet,Limnologi
Perroud, Marjorie (author)
Univ Geneva, Inst Environm Sci, Geneva, Switzerland.
Golub, Malgorzata (author)
Dundalk Inst Technol, Ctr Freshwater & Environm Studies, Dundalk, Ireland.
Moore, Tadhg N. (author)
Virginia Tech, Dept Biol Sci, Blacksburg, VA USA.
Vinna, Love Raman (author)
Eawag, Swiss Fed Inst Aquat Sci & Technol, Surface Waters Res & Management, Kastanienbaum, Switzerland.
La Fuente, Sofia (author)
Dundalk Inst Technol, Ctr Freshwater & Environm Studies, Dundalk, Ireland.
Grant, Luke (author)
Vrije Univ Brussel, Dept Hydrol & Hydraul Engn, Brussels, Belgium.
Pierson, Don C. (author)
Uppsala universitet,Limnologi,Uppsala Univ, Sweden
Thiery, Wim (author)
Vrije Univ Brussel, Dept Hydrol & Hydraul Engn, Brussels, Belgium.
Jennings, Eleanor (author)
Dundalk Inst Technol, Ctr Freshwater & Environm Studies, Dundalk, Ireland.
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 (creator_code:org_t)
2022-06-24
2022
English.
In: Global Change Biology. - : John Wiley & Sons. - 1354-1013 .- 1365-2486. ; 28:18, s. 5427-5440
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https://doi.org/10.1...
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https://urn.kb.se/re...
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  • Journal article (peer-reviewed)
Abstract Subject headings
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  • Lakes are significant emitters of methane to the atmosphere, and thus are important components of the global methane budget. Methane is typically produced in lake sediments, with the rate of methane production being strongly temperature dependent. Local and regional studies highlight the risk of increasing methane production under future climate change, but a global estimate is not currently available. Here, we project changes in global lake bottom temperatures and sediment methane production rates from 1901 to 2099. By the end of the 21st century, lake bottom temperatures are projected to increase globally, by an average of 0.86-2.60 degrees C under Representative Concentration Pathways (RCPs) 2.6-8.5, with greater warming projected at lower latitudes. This future warming of bottom waters will likely result in an increase in methane production rates of 13%-40% by the end of the century, with many low-latitude lakes experiencing an increase of up to 17 times the historical (1970-1999) global average under RCP 8.5. The projected increase in methane production will likely lead to higher emissions from lakes, although the exact magnitude of the emission increase requires more detailed regional studies.

Subject headings

NATURVETENSKAP  -- Geovetenskap och miljövetenskap -- Miljövetenskap (hsv//swe)
NATURAL SCIENCES  -- Earth and Related Environmental Sciences -- Environmental Sciences (hsv//eng)
NATURVETENSKAP  -- Geovetenskap och miljövetenskap -- Klimatforskning (hsv//swe)
NATURAL SCIENCES  -- Earth and Related Environmental Sciences -- Climate Research (hsv//eng)

Keyword

aquatic
climate change
greenhouse gases
limnology
methane
temperature
tropics

Publication and Content Type

ref (subject category)
art (subject category)

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