Substantial hysteresis in emergent temperature sensitivity of global wetland CH4 emissions

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Chang, Kuang YuLawrence Berkeley National Laboratory (author)

Substantial hysteresis in emergent temperature sensitivity of global wetland CH4 emissions

Article/chapterEnglish2021

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2021-04-15
Springer Science and Business Media LLC,2021
1 s.

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LIBRIS-ID:oai:lup.lub.lu.se:aed1a3bc-d0c4-494d-a9d4-f529ae350bb1
https://lup.lub.lu.se/record/aed1a3bc-d0c4-494d-a9d4-f529ae350bb1URI
https://doi.org/10.1038/s41467-021-22452-1DOI
https://res.slu.se/id/publ/111927URI

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Language:English
Summary in:English

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Wetland methane (CH4) emissions ([Formula: see text]) are important in global carbon budgets and climate change assessments. Currently, [Formula: see text] projections rely on prescribed static temperature sensitivity that varies among biogeochemical models. Meta-analyses have proposed a consistent [Formula: see text] temperature dependence across spatial scales for use in models; however, site-level studies demonstrate that [Formula: see text] are often controlled by factors beyond temperature. Here, we evaluate the relationship between [Formula: see text] and temperature using observations from the FLUXNET-CH4 database. Measurements collected across the globe show substantial seasonal hysteresis between [Formula: see text] and temperature, suggesting larger [Formula: see text] sensitivity to temperature later in the frost-free season (about 77% of site-years). Results derived from a machine-learning model and several regression models highlight the importance of representing the large spatial and temporal variability within site-years and ecosystem types. Mechanistic advancements in biogeochemical model parameterization and detailed measurements in factors modulating CH4 production are thus needed to improve global CH4 budget assessments.

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Riley, William J.Lawrence Berkeley National Laboratory (author)
Knox, Sara H.University of British Columbia (author)
Jackson, Robert B.Stanford University (author)
McNicol, GavinStanford University (author)
Poulter, BenjaminNASA Goddard Space Flight Center (author)
Aurela, MikaFinnish Meteorological Institute (author)
Baldocchi, DennisUniversity of California, Berkeley (author)
Bansal, SheelUnited States Geological Survey, Reston (author)
Bohrer, GilOhio State University (author)
Campbell, David I.University of Waikato (author)
Cescatti, AlessandroEuropean Commission Joint Research Centre, Brussels (author)
Chu, HousenLawrence Berkeley National Laboratory (author)
Delwiche, Kyle B.Stanford University (author)
Desai, Ankur R.University of Wisconsin-Madison (author)
Euskirchen, EugenieUniversity of Alaska Fairbanks (author)
Friborg, ThomasUniversity of Copenhagen (author)
Goeckede, MathiasMax Planck Institute for Biogeochemistry (author)
Helbig, ManuelMcMaster University (author)
Hemes, Kyle S.Stanford University (author)
Hirano, TakashiHokkaido University (author)
Iwata, HirokiShinshu University (author)
Kang, MinseokSeoul National University (author)
Keenan, TrevorUniversity of California, Berkeley (author)
Krauss, Ken W.United States Geological Survey: National Wetlands Research Center (author)
Lohila, AnnaleaUniversity of Helsinki (author)
Mammarella, IvanUniversity of Helsinki (author)
Mitra, BhaskarTexas A and M University (author)
Miyata, AkiraNational Agriculture and Food Research Organization (NARO) (author)
Nilsson, Mats B.Sveriges lantbruksuniversitet,Swedish University of Agricultural Sciences,Institutionen för skogens ekologi och skötsel,Department of Forest Ecology and Management(Swepub:slu)47620 (author)
Noormets, AskoTexas A and M University (author)
Oechel, Walter C.San Diego State University (author)
Papale, DarioUniversity of Tuscia (author)
Peichl, MatthiasSveriges lantbruksuniversitet,Swedish University of Agricultural Sciences,Institutionen för skogens ekologi och skötsel,Department of Forest Ecology and Management(Swepub:slu)48058 (author)
Reba, Michele L.United States Department of Agriculture (USDA) (author)
Rinne, JanneLund University,Lunds universitet,BECC: Biodiversity and Ecosystem services in a Changing Climate,Centrum för miljö- och klimatvetenskap (CEC),Naturvetenskapliga fakulteten,Institutionen för naturgeografi och ekosystemvetenskap,Centre for Environmental and Climate Science (CEC),Faculty of Science,Dept of Physical Geography and Ecosystem Science(Swepub:lu)ja4127ri (author)
Runkle, Benjamin R.K.University of Arkansas - Fayetteville (author)
Ryu, YoungryelSeoul National University (author)
Sachs, TorstenGFZ German Research Centre for Geosciences (author)
Schäfer, Karina V.R.Rutgers University-Newark Campus,University of Delaware (author)
Schmid, Hans PeterKarlsruhe Institute of Technology (author)
Shurpali, NarasinhaNatural Resources Institute Finland (Luke) (author)
Sonnentag, OliverLaval University(Swepub:lu)ol3828so (author)
Tang, Angela C.I.Sarawak Tropical Peat Research Institute (author)
Torn, Margaret S.Lawrence Berkeley National Laboratory (author)
Trotta, CarloUniversity of Tuscia (author)
Tuittila, Eeva StiinaUniversity of Eastern Finland (author)
Ueyama, MasahitoOsaka University (author)
Vargas, RodrigoUniversity of Delaware (author)
Vesala, TimoUniversity of Helsinki (author)
Windham-Myers, LisamarieUnited States Geological Survey Western Region (author)
Zhang, ZhenUniversity of Maryland (author)
Zona, DonatellaUniversity of Sheffield (author)
Lawrence Berkeley National LaboratoryUniversity of British Columbia (creator_code:org_t)
Sveriges lantbruksuniversitet

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In:Nature Communications: Springer Science and Business Media LLC12:1, s. 2266-22662041-1723

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By the author/editor: Chang, Kuang Yu; Riley, William J ...; Knox, Sara H.; Jackson, Robert ...; McNicol, Gavin; Poulter, Benjami ...; show more...; Aurela, Mika; Baldocchi, Denni ...; Bansal, Sheel; Bohrer, Gil; Campbell, David ...; Cescatti, Alessa ...; Chu, Housen; Delwiche, Kyle B ...; Desai, Ankur R.; Euskirchen, Euge ...; Friborg, Thomas; Goeckede, Mathia ...; Helbig, Manuel; Hemes, Kyle S.; Hirano, Takashi; Iwata, Hiroki; Kang, Minseok; Keenan, Trevor; Krauss, Ken W.; Lohila, Annalea; Mammarella, Ivan; Mitra, Bhaskar; Miyata, Akira; Nilsson, Mats B.; Noormets, Asko; Oechel, Walter C ...; Papale, Dario; Peichl, Matthias; Reba, Michele L.; Rinne, Janne; Runkle, Benjamin ...; Ryu, Youngryel; Sachs, Torsten; Schäfer, Karina ...; Schmid, Hans Pet ...; Shurpali, Narasi ...; Sonnentag, Olive ...; Tang, Angela C.I ...; Torn, Margaret S ...; Trotta, Carlo; Tuittila, Eeva S ...; Ueyama, Masahito; Vargas, Rodrigo; Vesala, Timo; Windham-Myers, L ...; Zhang, Zhen; Zona, Donatella; show less...

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NATURAL SCIENCES: NATURAL SCIENCES; and Earth and Relate ...; and Physical Geograp ...

NATURAL SCIENCES: NATURAL SCIENCES; and Earth and Relate ...; and Climate Research

NATURAL SCIENCES: NATURAL SCIENCES; and Earth and Relate ...; and Environmental Sc ...

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