Umeå University's logo

umu.sePublications
Change search
CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf
Diel, seasonal, and inter-annual variation in carbon dioxide effluxes from lakes and reservoirs
Dundalk Institute of Technology, Centre for Freshwater and Environmental Studies, Dundalk, Ireland.
Department of Atmospheric and Oceanic Sciences, University of Wisconsin-Madison, WI, Madison, United States.
Faculty of Science, University of Helsinki, Institute for Atmospheric and Earth System Research (INAR)/Physics, Helsinki, Finland; Faculty of Agriculture and Forestry, University of Helsinki, INAR/Forest Sciences, Helsinki, Finland.
Faculty of Science, University of Helsinki, Institute for Atmospheric and Earth System Research (INAR)/Physics, Helsinki, Finland.
Show others and affiliations
2023 (English)In: Environmental Research Letters, E-ISSN 1748-9326, Vol. 18, no 3, article id 034046Article in journal (Refereed) Published
Abstract [en]

Accounting for temporal changes in carbon dioxide (CO2) effluxes from freshwaters remains a challenge for global and regional carbon budgets. Here, we synthesize 171 site-months of flux measurements of CO2 based on the eddy covariance method from 13 lakes and reservoirs in the Northern Hemisphere, and quantify dynamics at multiple temporal scales. We found pronounced sub-annual variability in CO2 flux at all sites. By accounting for diel variation, only 11% of site-months were net daily sinks of CO2. Annual CO2 emissions had an average of 25% (range 3%-58%) interannual variation. Similar to studies on streams, nighttime emissions regularly exceeded daytime emissions. Biophysical regulations of CO2 flux variability were delineated through mutual information analysis. Sample analysis of CO2 fluxes indicate the importance of continuous measurements. Better characterization of short- and long-term variability is necessary to understand and improve detection of temporal changes of CO2 fluxes in response to natural and anthropogenic drivers. Our results indicate that existing global lake carbon budgets relying primarily on daytime measurements yield underestimates of net emissions.

Place, publisher, year, edition, pages
IOP Publishing , 2023. Vol. 18, no 3, article id 034046
Keywords [en]
carbon flux, eddy covariance, freshwater systems, lakes, reservoirs, synthesis
National Category
Climate Research Meteorology and Atmospheric Sciences
Identifiers
URN: urn:nbn:se:umu:diva-205919DOI: 10.1088/1748-9326/acb834ISI: 000953683700001Scopus ID: 2-s2.0-85150029537OAI: oai:DiVA.org:umu-205919DiVA, id: diva2:1746067
Funder
EU, Horizon Europe, 101056921EU, Horizon Europe, 312571EU, Horizon Europe, 282842Swedish Research Council, 2016-04153Swedish Research Council, 2020-03222Available from: 2023-03-27 Created: 2023-03-27 Last updated: 2024-01-17Bibliographically approved

Open Access in DiVA

fulltext(1920 kB)91 downloads
File information
File name FULLTEXT01.pdfFile size 1920 kBChecksum SHA-512
5761cf0c64ff82a1a6d8440375a73440297d7347797bc4c8e657a8e5c1e3fea520d3abffb90a550f2a4cdc29df2decad1c1dcda0aae1f48b047de4e5f965b8e6
Type fulltextMimetype application/pdf

Other links

Publisher's full textScopus

Authority records

Jonsson, AndersKarlsson, Jan

Search in DiVA

By author/editor
Jonsson, AndersKarlsson, Jan
By organisation
Department of Ecology and Environmental Sciences
In the same journal
Environmental Research Letters
Climate ResearchMeteorology and Atmospheric Sciences

Search outside of DiVA

GoogleGoogle Scholar
Total: 91 downloads
The number of downloads is the sum of all downloads of full texts. It may include eg previous versions that are now no longer available

doi
urn-nbn

Altmetric score

doi
urn-nbn
Total: 179 hits
CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf