Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 530289
Title Cross continental increase in methane ebullition under climate change
Author(s) Aben, Ralf C.H.; Barros, Nathan; Donk, Ellen Van; Frenken, Thijs; Hilt, Sabine; Kazanjian, Garabet; Lamers, Leon P.M.; Peeters, Edwin T.H.M.; Roelofs, Jan G.M.; Senerpont Domis, Lisette N. De; Stephan, Susanne; Velthuis, Mandy; De Waal, Dedmer B. Van; Wik, Martin; Thornton, Brett F.; Wilkinson, Jeremy; Delsontro, Tonya; Kosten, Sarian
Source Nature Communications 8 (2017)1. - ISSN 2041-1723
DOI https://doi.org/10.1038/s41467-017-01535-y
Department(s) Aquatic Ecology and Water Quality Management
Publication type Refereed Article in a scientific journal
Publication year 2017
Abstract Methane (CH4) strongly contributes to observed global warming. As natural CH4 emissions mainly originate from wet ecosystems, it is important to unravel how climate change may affect these emissions. This is especially true for ebullition (bubble flux from sediments), a pathway that has long been underestimated but generally dominates emissions. Here we show a remarkably strong relationship between CH4 ebullition and temperature across a wide range of freshwater ecosystems on different continents using multi-seasonal CH4 ebullition data from the literature. As these temperature-ebullition relationships may have been affected by seasonal variation in organic matter availability, we also conducted a controlled year-round mesocosm experiment. Here 4 °C warming led to 51% higher total annual CH4 ebullition, while diffusion was not affected. Our combined findings suggest that global warming will strongly enhance freshwater CH4 emissions through a disproportional increase in ebullition (6-20% per 1 °C increase), contributing to global warming.
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