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Global carbon dioxi...
Global carbon dioxide efflux from rivers enhanced by high nocturnal emissions
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- Gomez-Gener, L. (författare)
- Stream Biofilm and Ecosystem Research Laboratory, School of Architecture, Civil and Environmental Engineering, Ecole Polytechnique Fédérale de Lausanne, Lausanne, Switzerland,Ecole Polytech Fed Lausanne, Switzerland; Umea Univ, Sweden
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- Rocher-Ros, Gerard (författare)
- Umeå universitet,Institutionen för ekologi, miljö och geovetenskap,Umea Univ, Sweden
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- Battin, T. (författare)
- Stream Biofilm and Ecosystem Research Laboratory, School of Architecture, Civil and Environmental Engineering, Ecole Polytechnique Fédérale de Lausanne, Lausanne, Switzerland,Ecole Polytech Fed Lausanne, Switzerland
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visa fler...
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- Cohen, M. J. (författare)
- School of Forest Resources and Conservation, University of Florida, FL, Gainesville, United States,Univ Florida, FL 32611 USA
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- Dalmagro, H. J. (författare)
- University of Cuiabá, Cuiabá, Brazil,Univ Cuiaba, Brazil
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- Dinsmore, K. J. (författare)
- Centre for Ecology and Hydrology, Bush Estate, Penicuik, United Kingdom,Ctr Ecol & Hydrol, Scotland
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- Drake, T. W. (författare)
- Department of Environmental Systems Science, ETH Zürich, Zürich, Switzerland,Swiss Fed Inst Technol, Switzerland
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- Duvert, C. (författare)
- Research Institute for the Environment and Livelihoods, Charles Darwin University, NT, Darwin, Australia,Charles Darwin Univ, Australia
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- Enrich Prast, Alex (författare)
- Linköpings universitet,Tema Miljöförändring,Filosofiska fakulteten,Fluminense Fed Univ, Brazil
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- Horgby, A. (författare)
- Stream Biofilm and Ecosystem Research Laboratory, School of Architecture, Civil and Environmental Engineering, Ecole Polytechnique Fédérale de Lausanne, Lausanne, Switzerland,Ecole Polytech Fed Lausanne, Switzerland
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- Johnson, M. S. (författare)
- Institute for Resources, Environment and Sustainability, University of British Columbia, BC, Vancouver, Canada; Department of Earth, Ocean and Atmospheric Sciences, University of British Columbia, BC, Vancouver, Canada,Univ British Columbia, Canada; Univ British Columbia, Canada
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- Kirk, L. (författare)
- School of Natural Resources and Environment, University of Florida, FL, Gainesville, United States,Univ Florida, FL USA
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- Machado-Silva, F. (författare)
- Post-Graduate Program in Geosciences (Environmental Geochemistry), Chemistry Institute, Fluminense Federal University, Niterói, Brazil,Fluminense Fed Univ, Brazil
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- Marzolf, N. S. (författare)
- Department of Forestry and Environmental Resources, North Carolina State University, NC, Raleigh, United States,North Carolina State Univ, NC 27695 USA
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- McDowell, M. J. (författare)
- Institute for Resources, Environment and Sustainability, University of British Columbia, Vancouver, British Columbia, Canada; Department of Earth, Ocean and Atmospheric Sciences, University of British Columbia, Vancouver, British Columbia, Canada
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- McDowell, W. H. (författare)
- Department of Natural Resources and the Environment, University of New Hampshire, NH, Durham, United States,Univ British Columbia, Canada; Univ British Columbia, Canada; Univ New Hampshire, NH 03824 USA
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- Miettinen, H. (författare)
- Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Institutionen för skogens ekologi och skötsel,Department of Forest Ecology and Management,Department of Forest Ecology and Management, Swedish University of Agricultural Sciences, Umeå, Sweden,Swedish Univ Agr Sci, Sweden
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- Ojala, A. K. (författare)
- Faculty of Biological and Environmental Sciences, Ecosystems and Environment Research Programme, University of Helsinki, Helsinki, Finland,Univ Helsinki, Finland
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- Peter, H. (författare)
- Stream Biofilm and Ecosystem Research Laboratory, School of Architecture, Civil and Environmental Engineering, Ecole Polytechnique Fédérale de Lausanne, Lausanne, Switzerland,Ecole Polytech Fed Lausanne, Switzerland
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- Pumpanen, J. (författare)
- Department of Environmental and Biological Sciences, University of Eastern Finland, Kuopio, Finland,Univ Eastern Finland, Finland
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- Riveros-Iregui, D. A. (författare)
- Department of Geography, University of North Carolina at Chapel Hill, NC, Chapel Hill, United States,Univ N Carolina, NC 27515 USA
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- Santos, Isaac R. (författare)
- Gothenburg University,Göteborgs universitet,Institutionen för marina vetenskaper,Department of marine sciences,Department of Marine Sciences, University of Gothenburg, Gothenburg, Sweden,Univ Gothenburg, Sweden
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- Six, J. (författare)
- Department of Environmental Systems Science, ETH Zürich, Zürich, Switzerland,Swiss Fed Inst Technol, Switzerland
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- Stanley, E. H. (författare)
- Center for Limnology, University of Wisconsin-Madison, WI, Madison, United States,Univ Wisconsin, WI 53706 USA
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- Wallin, Marcus (författare)
- Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Institutionen för vatten och miljö,Department of Aquatic Sciences and Assessment,Department of Aquatic Sciences and Assessment, Swedish University of Agricultural Sciences, Uppsala, Sweden,Swedish Univ Agr Sci, Sweden
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- White, S. A. (författare)
- National Marine Science Centre, Southern Cross University, NSW, Coffs Harbour, Australia,Southern Cross Univ, Australia
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- Sponseller, Ryan A. (författare)
- Umeå universitet,Institutionen för ekologi, miljö och geovetenskap,Umea Univ, Sweden
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- Ran, L. S. (författare)
- Department of Geography, The University of Hong Kong, Pokfulam, Hong Kong,Univ Hong Kong, Peoples R China
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(creator_code:org_t)
- 2021-04-15
- 2021
- Engelska.
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Ingår i: Nature Geoscience. - : Springer Science and Business Media LLC. - 1752-0894 .- 1752-0908. ; 14, s. 289-294
- Relaterad länk:
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http://nora.nerc.ac....
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https://liu.diva-por... (primary) (Raw object)
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https://gup.ub.gu.se...
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https://doi.org/10.1...
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https://res.slu.se/i...
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https://urn.kb.se/re...
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https://urn.kb.se/re...
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Abstract
Ämnesord
Stäng
- Carbon dioxide (CO2) emissions to the atmosphere from running waters are estimated to be four times greater than the total carbon (C) flux to the oceans. However, these fluxes remain poorly constrained because of substantial spatial and temporal variability in dissolved CO2 concentrations. Using a global compilation of high-frequency CO2 measurements, we demonstrate that nocturnal CO2 emissions are on average 27% (0.9 gC m(-2) d(-1)) greater than those estimated from diurnal concentrations alone. Constraints on light availability due to canopy shading or water colour are the principal controls on observed diel (24 hour) variation, suggesting this nocturnal increase arises from daytime fixation of CO2 by photosynthesis. Because current global estimates of CO2 emissions to the atmosphere from running waters (0.65-1.8 PgC yr(-1)) rely primarily on discrete measurements of dissolved CO2 obtained during the day, they substantially underestimate the magnitude of this flux. Accounting for night-time CO2 emissions may elevate global estimates from running waters to the atmosphere by 0.20-0.55 PgC yr(-1). Failing to account for emission differences between day and night will lead to an underestimate of global CO2 emissions from rivers by up to 0.55 PgC yr(-1), according to analyses of high-frequency CO2 measurements.
Ämnesord
- NATURVETENSKAP -- Geovetenskap och miljövetenskap -- Geologi (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences -- Geology (hsv//eng)
- NATURVETENSKAP -- Geovetenskap och miljövetenskap -- Miljövetenskap (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences -- Environmental Sciences (hsv//eng)
- NATURVETENSKAP -- Geovetenskap och miljövetenskap -- Oceanografi, hydrologi och vattenresurser (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences -- Oceanography, Hydrology and Water Resources (hsv//eng)
- NATURVETENSKAP -- Geovetenskap och miljövetenskap -- Klimatforskning (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences -- Climate Research (hsv//eng)
- NATURVETENSKAP -- Geovetenskap och miljövetenskap -- Naturgeografi (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences -- Physical Geography (hsv//eng)
Nyckelord
- Geology
Publikations- och innehållstyp
- ref (ämneskategori)
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Till lärosätets databas
- Av författaren/redakt...
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Gomez-Gener, L.
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Rocher-Ros, Gera ...
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Battin, T.
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Cohen, M. J.
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Dalmagro, H. J.
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Dinsmore, K. J.
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visa fler...
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Drake, T. W.
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Duvert, C.
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Enrich Prast, Al ...
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Horgby, A.
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Johnson, M. S.
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Kirk, L.
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Machado-Silva, F ...
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Marzolf, N. S.
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McDowell, M. J.
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McDowell, W. H.
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Miettinen, H.
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Ojala, A. K.
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Peter, H.
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Pumpanen, J.
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Riveros-Iregui, ...
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Santos, Isaac R.
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Six, J.
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Stanley, E. H.
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Wallin, Marcus
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White, S. A.
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Sponseller, Ryan ...
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Ran, L. S.
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NATURVETENSKAP
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