Diel, seasonal, and inter-annual variation in carbon dioxide effluxes from 
lakes and reservoirs

Golub, Malgorzata; Koupaei-Abyazani, Nikaan; Vesala, Timo; Mammarella, Ivan; Ojala, Anne; Bohrer, Gil; Weyhenmeyer, Gesa A; Blanken, Peter D; Eugster, Werner; Koebsch, Franziska; Chen, Jiquan; Czajkowski, Kevin; Deshmukh, Chandrashekhar; Guérin, Frederic; Heiskanen, Jouni; Humphreys, Elyn; Jonsson, Anders; Karlsson, Jan; Kling, George; Lee, Xuhui; Liu, Heping; Lohila, Annalea; Lundin, Erik; Morin, Tim; Podgrajsek, Eva; Provenzale, Maria; Rutgersson, Anna; Sachs, T.; Sahlée, Erik; Serça, Dominique; Shao, Changliang; Spence, Christopher; Strachan, Ian B; Xiao, Wei; Desai, Ankur R

doi:10.1088/1748-9326/acb834

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Diel, seasonal, and inter-annual variation in carbon dioxide effluxes from lakes and reservoirs

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Golub, Malgorzata
External Organizations;
TERENO, Deutsches GeoForschungsZentrum;

Koupaei-Abyazani, Nikaan
External Organizations;
TERENO, Deutsches GeoForschungsZentrum;

Vesala, Timo
External Organizations;
TERENO, Deutsches GeoForschungsZentrum;

Mammarella, Ivan
External Organizations;
TERENO, Deutsches GeoForschungsZentrum;

Ojala, Anne
External Organizations;
TERENO, Deutsches GeoForschungsZentrum;

Bohrer, Gil
External Organizations;
TERENO, Deutsches GeoForschungsZentrum;

Weyhenmeyer, Gesa A
External Organizations;
TERENO, Deutsches GeoForschungsZentrum;

Blanken, Peter D
External Organizations;
TERENO, Deutsches GeoForschungsZentrum;

Eugster, Werner
External Organizations;
TERENO, Deutsches GeoForschungsZentrum;

/persons/resource/koebsch

Koebsch, Franziska
1.4 Remote Sensing, 1.0 Geodesy, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum;
TERENO, Deutsches GeoForschungsZentrum;

Chen, Jiquan
External Organizations;
TERENO, Deutsches GeoForschungsZentrum;

Czajkowski, Kevin
External Organizations;
TERENO, Deutsches GeoForschungsZentrum;

Deshmukh, Chandrashekhar
External Organizations;
TERENO, Deutsches GeoForschungsZentrum;

Guérin, Frederic
External Organizations;
TERENO, Deutsches GeoForschungsZentrum;

Heiskanen, Jouni
External Organizations;
TERENO, Deutsches GeoForschungsZentrum;

Humphreys, Elyn
External Organizations;
TERENO, Deutsches GeoForschungsZentrum;

Jonsson, Anders
External Organizations;
TERENO, Deutsches GeoForschungsZentrum;

Karlsson, Jan
External Organizations;
TERENO, Deutsches GeoForschungsZentrum;

Kling, George
External Organizations;
TERENO, Deutsches GeoForschungsZentrum;

Lee, Xuhui
External Organizations;
TERENO, Deutsches GeoForschungsZentrum;

Liu, Heping
External Organizations;
TERENO, Deutsches GeoForschungsZentrum;

Lohila, Annalea
External Organizations;
TERENO, Deutsches GeoForschungsZentrum;

Lundin, Erik
External Organizations;
TERENO, Deutsches GeoForschungsZentrum;

Morin, Tim
External Organizations;
TERENO, Deutsches GeoForschungsZentrum;

Podgrajsek, Eva
External Organizations;
TERENO, Deutsches GeoForschungsZentrum;

Provenzale, Maria
External Organizations;
TERENO, Deutsches GeoForschungsZentrum;

Rutgersson, Anna
External Organizations;
TERENO, Deutsches GeoForschungsZentrum;

/persons/resource/tsachs

Sachs, T.
1.4 Remote Sensing, 1.0 Geodesy, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum;
TERENO, Deutsches GeoForschungsZentrum;

Sahlée, Erik
External Organizations;
TERENO, Deutsches GeoForschungsZentrum;

Serça, Dominique
External Organizations;
TERENO, Deutsches GeoForschungsZentrum;

Shao, Changliang
External Organizations;
TERENO, Deutsches GeoForschungsZentrum;

Spence, Christopher
External Organizations;
TERENO, Deutsches GeoForschungsZentrum;

Strachan, Ian B
External Organizations;
TERENO, Deutsches GeoForschungsZentrum;

Xiao, Wei
External Organizations;
TERENO, Deutsches GeoForschungsZentrum;

Desai, Ankur R
External Organizations;
TERENO, Deutsches GeoForschungsZentrum;

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Citation

Golub, M., Koupaei-Abyazani, N., Vesala, T., Mammarella, I., Ojala, A., Bohrer, G., Weyhenmeyer, G. A., Blanken, P. D., Eugster, W., Koebsch, F., Chen, J., Czajkowski, K., Deshmukh, C., Guérin, F., Heiskanen, J., Humphreys, E., Jonsson, A., Karlsson, J., Kling, G., Lee, X., Liu, H., Lohila, A., Lundin, E., Morin, T., Podgrajsek, E., Provenzale, M., Rutgersson, A., Sachs, T., Sahlée, E., Serça, D., Shao, C., Spence, C., Strachan, I. B., Xiao, W., Desai, A. R. (2023): Diel, seasonal, and inter-annual variation in carbon dioxide effluxes from lakes and reservoirs. - Environmental Research Letters, 18, 034046.
https://doi.org/10.1088/1748-9326/acb834

Cite as: https://gfzpublic.gfz-potsdam.de/pubman/item/item_5015792

Abstract

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.