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Methane emission of...
Methane emission offsets carbon dioxide uptake in a small productive lake
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- Vachon, Dominic (författare)
- Umeå universitet,Institutionen för ekologi, miljö och geovetenskap,Aquatic Physics, Department F.‐A. Forel for Environmental and Aquatic Sciences (DEFSE), Faculty of Sciences, University of Geneva, Geneva, Switzerland,Arcum
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Langenegger, Timon (författare)
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Donis, Daphne (författare)
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Beaubien, Stan E. (författare)
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McGinnis, Daniel F. (författare)
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(creator_code:org_t)
- 2020-06-10
- 2020
- Engelska.
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Ingår i: Limnology and Oceanography Letters. - : John Wiley & Sons. - 2378-2242. ; 5:6, s. 384-392
- Relaterad länk:
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Abstract
Ämnesord
Stäng
- Here, we investigate the importance of net CH4 production and emissions in the carbon (C) budget of a small productive lake by monitoring CH4, CO2, and O2 for two consecutive years. During the study period, the lake was mostly a net emitter of both CH4 and CO2, while showing positive net ecosystem production. The analyses suggest that during the whole study period, 32% +/- 26% of C produced by net ecosystem production was ultimately converted to CH4 and emitted to the atmosphere. When converted to global warming potential, CH4 emission (in CO2 equivalents) was about 3-10 times higher than CO2 removal from in-lake net ecosystem production over 100-yr and 20-yr time frames, respectively. Although more work in similar systems is needed to generalize these findings, our results provide evidence of the important greenhouse gas imbalance in human-impacted aquatic systems.
Ämnesord
- NATURVETENSKAP -- Geovetenskap och miljövetenskap -- Oceanografi, hydrologi och vattenresurser (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences -- Oceanography, Hydrology and Water Resources (hsv//eng)
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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