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The Boreal-Arctic W...
The Boreal-Arctic Wetland and Lake Dataset (BAWLD)
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- Olefeldt, David (författare)
- Univ Alberta, Dept Renewable Resources, Edmonton, AB T6G 2G7, Canada.,University of Alberta
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- Hovemyr, Mikael (författare)
- Stockholm University,Stockholms universitet,Institutionen för naturgeografi,Stockholm Univ, Dept Phys Geog, S-10691 Stockholm, Sweden.
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- Kuhn, McKenzie A. (författare)
- Univ Alberta, Dept Renewable Resources, Edmonton, AB T6G 2G7, Canada.,University of Alberta
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- Bastviken, David (författare)
- Linköping University,Linköpings universitet,Tema Miljöförändring,Filosofiska fakulteten,Linköping Univ, Dept Themat Studies Environm Change, S-58183 Linköping, Sweden.
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- Bohn, Theodore J. (författare)
- WattIQ, 400 Oyster Point Blvd Suite 414, San Francisco, CA 94080 USA.,WattIQ Inc.
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- Connolly, John (författare)
- Trinity Coll Dublin, Sch Nat Sci, Dept Geog, Dublin 2, Ireland.,Trinity College Dublin
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- Crill, Patrick (författare)
- Stockholm University,Stockholms universitet,Institutionen för geologiska vetenskaper,Stockholm Univ, Dept Geol Sci, S-10691 Stockholm, Sweden.
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- Euskirchen, Eugenie S. (författare)
- Univ Alaska Fairbanks, Dept Biol & Wildlife, Fairbanks, AK 99775 USA.;Univ Alaska Fairbanks, Inst Arctic Biol, Fairbanks, AK 99775 USA.,Univ Alberta, Dept Biol Sci, Edmonton, AB T6G 2E9, Canada.,University of Alaska Fairbanks,University of Alberta
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- Finkelstein, Sarah A. (författare)
- Univ Toronto, Dept Earth Sci, Toronto, ON M5S 3B1, Canada.,University of Toronto
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- Genet, Helene (författare)
- Univ Alaska Fairbanks, Inst Arctic Biol, Fairbanks, AK 99775 USA.,University of Alaska Fairbanks
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- Grosse, Guido (författare)
- Alfred Wegener Inst, Helmholtz Ctr Polar & Marine Res, Permafrost Res Sect, D-14473 Potsdam, Germany.;Univ Potsdam, Inst Geosci, D-14476 Potsdam, Germany.,University of Potsdam,Alfred-Wegener Institute, Helmholtz Center for Polar and Marine Research, Bremerhaven
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- Harris, Lorna I (författare)
- Univ Alberta, Dept Renewable Resources, Edmonton, AB T6G 2G7, Canada.,University of Alberta
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- Heffernan, Liam (författare)
- Uppsala University,Uppsala universitet,Limnologi
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- Helbig, Manuel (författare)
- Dalhousie Univ, Dept Phys & Atmospher Sci, Halifax, NS B3H 4R2, Canada.,Dalhousie University
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- Hugelius, Gustaf (författare)
- Stockholm University,Stockholms universitet,Institutionen för naturgeografi,Stockholm Univ, Dept Phys Geog, S-10691 Stockholm, Sweden.;Stockholm Univ, Bolin Ctr Climate Res, S-10691 Stockholm, Sweden.
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- Hutchins, Ryan (författare)
- Univ Waterloo, Dept Earth & Environm Sci, Waterloo, ON N2L 3G1, Canada.,University of Waterloo
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- Juutinen, Sari (författare)
- Univ Helsinki, Ecosyst & Environm Res Program, FIN-00014 Helsinki, Finland.,University of Helsinki
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- Lara, Mark J. (författare)
- Univ Illinois, Dept Plant Biol, Urbana, IL 61801 USA.;Univ Illinois, Dept Geog, Urbana, IL 61801 USA.,University of Illinois at Urbana-Champaign
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- Malhotra, Avni (författare)
- Stanford Univ, Dept Earth Syst Sci, Stanford, CA 94305 USA.,Stanford University
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- Manies, Kristen (författare)
- US Geol Survey, 345 Middlefield Rd, Menlo Pk, CA 94025 USA.,United States Geological Survey Western Region
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- McGuire, A. David (författare)
- Univ Alaska Fairbanks, Inst Arctic Biol, Fairbanks, AK 99775 USA.,University of Alaska Fairbanks
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- Natali, Susan M. (författare)
- Woodwell Climate Res Ctr, Falmouth, MA 02540 USA.,Woodwell Climate Research Center
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- ODonnell, Jonathan A. (författare)
- Natl Pk Serv, Arctic Network, Anchorage, AK 99501 USA.,US National Park Service
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- Parmentier, Frans Jan W. (författare)
- Lund University,Lunds universitet,MERGE: ModElling the Regional and Global Earth system,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,University of Oslo
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- Raesaenen, Aleksi (författare)
- Univ Helsinki, Ecosyst & Environm Res Programme, Fac Biol & Environm Sci, FIN-00014 Helsinki, Finland.,University of Helsinki
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- Schaedel, Christina (författare)
- No Arizona Univ, Ctr Ecosyst Sci & Soc, Flagstaff, AZ 86011 USA.,Northern Arizona University
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- Sonnentag, Oliver (författare)
- Univ Montreal, Dept Geog, Montreal, PQ, Canada.,University of Montreal
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- Strack, Maria (författare)
- Univ Waterloo, Dept Geog & Environm Management, Waterloo, ON N2L 3G1, Canada.,University of Waterloo
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- Tank, Suzanne E. (författare)
- Univ Alberta, Canada
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- Treat, Claire (författare)
- Alfred Wegener Inst, Helmholtz Ctr Polar & Marine Res, Permafrost Res Sect, D-14473 Potsdam, Germany.,Alfred-Wegener Institute, Helmholtz Center for Polar and Marine Research, Bremerhaven
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- Varner, Ruth K. (författare)
- Stockholm University,Stockholms universitet,Institutionen för naturgeografi,University of New Hampshire, USA,Stockholm Univ, Dept Phys Geog, S-10691 Stockholm, Sweden.;Univ New Hampshire, Dept Earth Sci, Durhan, NH 03824 USA.;Univ New Hampshire, Inst Study Earth Oceans & Space, Durhan, NH 03824 USA.
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- Virtanen, Tarmo (författare)
- Univ Helsinki, Ecosyst & Environm Res Programme, Fac Biol & Environm Sci, FIN-00014 Helsinki, Finland.,University of Helsinki
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- Warren, Rebecca K. (författare)
- Ducks Unlimited Canada, Natl Boreal Program, Edmonton, AB T5S 0A2, Canada.
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- Watts, Jennifer D. (författare)
- Woodwell Climate Res Ctr, Falmouth, MA 02540 USA.,Woodwell Climate Research Center
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Univ Alberta, Dept Renewable Resources, Edmonton, AB T6G 2G7, Canada University of Alberta (creator_code:org_t)
- 2021-11-05
- 2021
- Engelska.
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Ingår i: Earth System Science Data. - : Copernicus Gesellschaft MBH. - 1866-3508 .- 1866-3516. ; 13:11, s. 5127-5149
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.5...
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Abstract
Ämnesord
Stäng
- Methane emissions from boreal and arctic wetlands, lakes, and rivers are expected to increase in response to warming and associated permafrost thaw. However, the lack of appropriate land cover datasets for scaling field-measured methane emissions to circumpolar scales has contributed to a large uncertainty for our understanding of present-day and future methane emissions. Here we present the BorealArctic Wetland and Lake Dataset (BAWLD), a land cover dataset based on an expert assessment, extrapolated using random forest modelling from available spatial datasets of climate, topography, soils, permafrost conditions, vegetation, wetlands, and surface water extents and dynamics. In BAWLD, we estimate the fractional coverage of five wetland, seven lake, and three river classes within 0.5 x 0.5 degrees grid cells that cover the northern boreal and tundra biomes (17 % of the global land surface). Land cover classes were defined using criteria that ensured distinct methane emissions among classes, as indicated by a co-developed comprehensive dataset of methane flux observations. In BAWLD, wetlands occupied 3.2 x 10(6) km(2) (14 % of domain) with a 95 % confidence interval between 2.8 and 3.8 x 10(6) km(2). Bog, fen, and permafrost bog were the most abundant wetland classes, covering similar to 28 % each of the total wetland area, while the highest-methane-emitting marsh and tundra wetland classes occupied 5 % and 12 %, respectively. Lakes, defined to include all lentic open-water ecosystems regardless of size, covered 1.4 x 10(6) km(2) (6 % of domain). Low-methane-emitting large lakes (>10 km(2)) and glacial lakes jointly represented 78 % of the total lake area, while high-emitting peatland and yedoma lakes covered 18 % and 4 %, respectively. Small (<0.1 km(2)) glacial, peatland, and yedoma lakes combined covered 17 % of the total lake area but contributed disproportionally to the overall spatial uncertainty in lake area with a 95 % confidence interval between 0.15 and 0.38 x 10(6) km(2). Rivers and streams were estimated to cover 0.12 x 10(6) km(2) (0.5 % of domain), of which 8 % was associated with high-methane-emitting headwaters that drain organic-rich landscapes. Distinct combinations of spatially co-occurring wetland and lake classes were identified across the BAWLD domain, allowing for the mapping of "wetscapes" that have characteristic methane emission magnitudes and sensitivities to climate change at regional scales. With BAWLD, we provide a dataset which avoids double-accounting of wetland, lake, and river extents and which includes confidence intervals for each land cover class. As such, BAWLD will be suitable for many hydrological and biogeochemical modelling and upscaling efforts for the northern boreal and arctic region, in particular those aimed at improving assessments of current and future methane emissions.
Ämnesord
- NATURVETENSKAP -- Geovetenskap och miljövetenskap -- Naturgeografi (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences -- Physical Geography (hsv//eng)
- NATURVETENSKAP -- Geovetenskap och miljövetenskap (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences (hsv//eng)
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- Av författaren/redakt...
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Olefeldt, David
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Hovemyr, Mikael
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Kuhn, McKenzie A ...
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Bastviken, David
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Bohn, Theodore J ...
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Connolly, John
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visa fler...
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Crill, Patrick
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Euskirchen, Euge ...
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Finkelstein, Sar ...
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Genet, Helene
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Grosse, Guido
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Harris, Lorna I
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Heffernan, Liam
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Helbig, Manuel
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Hugelius, Gustaf
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Hutchins, Ryan
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Juutinen, Sari
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Lara, Mark J.
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Malhotra, Avni
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Manies, Kristen
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McGuire, A. Davi ...
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Natali, Susan M.
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ODonnell, Jonath ...
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Parmentier, Fran ...
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Raesaenen, Aleks ...
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Schaedel, Christ ...
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Sonnentag, Olive ...
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Strack, Maria
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Tank, Suzanne E.
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Treat, Claire
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Varner, Ruth K.
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Virtanen, Tarmo
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Warren, Rebecca ...
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Watts, Jennifer ...
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