Cross continental increase in methane ebullition under climate change

Ralf C. H. Aben; Nathan Barros; Ellen van Donk; Thijs Frenken; Sabine Hilt; Garabet Kazanjian; Leon P. M. Lamers; Edwin T. H. M. Peeters; Jan G. M. Roelofs; Lisette N. de Senerpont Domis; Susanne Stephan; Mandy Velthuis; Dedmer B. Van de Waal; Martin Wik; Brett F. Thornton; Jeremy Wilkinson; Tonya DelSontro; Sarian Kosten

doi:10.1038/s41467-017-01535-y

Cross continental increase in methane ebullition under climate change

Ralf C. H. Aben, Nathan Barros, Ellen van Donk, Thijs Frenken, Sabine Hilt, Garabet Kazanjian, Leon P. M. Lamers, Edwin T. H. M. Peeters, Jan G. M. Roelofs, Lisette N. de Senerpont Domis, Susanne Stephan, Mandy Velthuis, Dedmer B. Van de Waal, Martin Wik, Brett F. Thornton, Jeremy Wilkinson, Tonya DelSontro, Sarian Kosten (Corresponding author)

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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.

Original language	English
Article number	1682
Number of pages	1
Journal	Nature Communications
Volume	8
Issue number	1
DOIs	https://doi.org/10.1038/s41467-017-01535-y
Publication status	Published - 2017

Keywords

international

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6430_AbenFinal published version, 978 KBLicence: CC BY

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Aben, R. C. H., Barros, N., van Donk, E., Frenken, T., Hilt, S., Kazanjian, G., Lamers, L. P. M., Peeters, E. T. H. M., Roelofs, J. G. M., de Senerpont Domis, L. N., Stephan, S., Velthuis, M., Van de Waal, D. B., Wik, M., Thornton, B. F., Wilkinson, J., DelSontro, T., & Kosten, S. (2017). Cross continental increase in methane ebullition under climate change. Nature Communications, 8(1), Article 1682. https://doi.org/10.1038/s41467-017-01535-y

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title = "Cross continental increase in methane ebullition under climate change",

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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author = "Aben, {Ralf C. H.} and Nathan Barros and {van Donk}, Ellen and Thijs Frenken and Sabine Hilt and Garabet Kazanjian and Lamers, {Leon P. M.} and Peeters, {Edwin T. H. M.} and Roelofs, {Jan G. M.} and {de Senerpont Domis}, {Lisette N.} and Susanne Stephan and Mandy Velthuis and {Van de Waal}, {Dedmer B.} and Martin Wik and Thornton, {Brett F.} and Jeremy Wilkinson and Tonya DelSontro and Sarian Kosten",

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Aben, RCH, Barros, N, van Donk, E , Frenken, T, Hilt, S, Kazanjian, G, Lamers, LPM, Peeters, ETHM, Roelofs, JGM, de Senerpont Domis, LN, Stephan, S, Velthuis, M, Van de Waal, DB, Wik, M, Thornton, BF, Wilkinson, J, DelSontro, T & Kosten, S 2017, 'Cross continental increase in methane ebullition under climate change', Nature Communications, vol. 8, no. 1, 1682. https://doi.org/10.1038/s41467-017-01535-y

TY - JOUR

T1 - Cross continental increase in methane ebullition under climate change

AU - Aben, Ralf C. H.

AU - Barros, Nathan

AU - van Donk, Ellen

AU - Frenken, Thijs

AU - Hilt, Sabine

AU - Kazanjian, Garabet

AU - Lamers, Leon P. M.

AU - Peeters, Edwin T. H. M.

AU - Roelofs, Jan G. M.

AU - de Senerpont Domis, Lisette N.

AU - Stephan, Susanne

AU - Velthuis, Mandy

AU - Van de Waal, Dedmer B.

AU - Wik, Martin

AU - Thornton, Brett F.

AU - Wilkinson, Jeremy

AU - DelSontro, Tonya

AU - Kosten, Sarian

N1 - 6430, AqE; Data archiving: property of and archived by Radboud University Nijmegen

PY - 2017

Y1 - 2017

N2 - 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.

AB - 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.

KW - international

U2 - 10.1038/s41467-017-01535-y

DO - 10.1038/s41467-017-01535-y

M3 - Article

SN - 2041-1723

VL - 8

JO - Nature Communications

JF - Nature Communications

IS - 1

M1 - 1682

ER -

Cross continental increase in methane ebullition under climate change

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