Integrating carbon emissions from lakes and streams in a subarctic catchment. Lundin, E. J., Giesler, R., Persson, A., Thompson, M. S., & Karlsson, J. Journal of Geophysical Research: Biogeosciences, 118(3):1200–1207, July, 2013. ![Integrating carbon emissions from lakes and streams in a subarctic catchment [link]](https://bibbase.org/img/filetypes/link.svg "link")
Paper doi abstract bibtex Northern inland waters emit CO2 and CH4 to the atmosphere but the importance of these emissions is poorly understood due to a lack of integrated catchment-scale estimates of carbon (C) emissions from lakes and streams. In this study we quantified the annual emission of CO2 and CH4 from 27 lakes and 23 stream segments in a 15 km2 subarctic catchment in northern Sweden. All lakes and streams were net sources of C to the atmosphere on an annual basis. Streams dominated (96%) the aquatic CO2 emission while lakes (61%) dominated the aquatic CH4 emission. Total aquatic C emission from the catchment was estimated to be 9.1 g C m−2 yr−1 (98% as CO2). Although streams only accounted for 4% of the aquatic area in the catchment, they accounted for 95% of the total emission. The C emissions from lakes and streams were considerably larger than previously reported downstream waterborne export of C from the catchment, indicating that the atmospheric losses of C in the aquatic systems are an important component in the catchment C balance.
@article{lundin_integrating_2013,
title = {Integrating carbon emissions from lakes and streams in a subarctic catchment},
volume = {118},
issn = {2169-8961},
url = {http://onlinelibrary.wiley.com/doi/10.1002/jgrg.20092/abstract},
doi = {10.1002/jgrg.20092},
abstract = {Northern inland waters emit CO2 and CH4 to the atmosphere but the importance of these emissions is poorly understood due to a lack of integrated catchment-scale estimates of carbon (C) emissions from lakes and streams. In this study we quantified the annual emission of CO2 and CH4 from 27 lakes and 23 stream segments in a 15 km2 subarctic catchment in northern Sweden. All lakes and streams were net sources of C to the atmosphere on an annual basis. Streams dominated (96\%) the aquatic CO2 emission while lakes (61\%) dominated the aquatic CH4 emission. Total aquatic C emission from the catchment was estimated to be 9.1 g C m−2 yr−1 (98\% as CO2). Although streams only accounted for 4\% of the aquatic area in the catchment, they accounted for 95\% of the total emission. The C emissions from lakes and streams were considerably larger than previously reported downstream waterborne export of C from the catchment, indicating that the atmospheric losses of C in the aquatic systems are an important component in the catchment C balance.},
language = {en},
number = {3},
urldate = {2017-02-06},
journal = {Journal of Geophysical Research: Biogeosciences},
author = {Lundin, Erik J. and Giesler, Reiner and Persson, Andreas and Thompson, Megan S. and Karlsson, Jan},
month = jul,
year = {2013},
keywords = {\#nosource, 0315 Biosphere/atmosphere interactions, 0414 Biogeochemical cycles, processes, and modeling, 0428 Carbon cycling, 0458 Limnology, 1832 Groundwater transport, Biogeochemical cycles, processes, and modeling, Biosphere/atmosphere interactions, CH4, CO2, Groundwater transport, Limnology, carbon cycling, emission, lakes, streams, subarctic},
pages = {1200--1207},
}
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Streams dominated (96%) the aquatic CO2 emission while lakes (61%) dominated the aquatic CH4 emission. Total aquatic C emission from the catchment was estimated to be 9.1 g C m−2 yr−1 (98% as CO2). Although streams only accounted for 4% of the aquatic area in the catchment, they accounted for 95% of the total emission. 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In this study we quantified the annual emission of CO2 and CH4 from 27 lakes and 23 stream segments in a 15 km2 subarctic catchment in northern Sweden. All lakes and streams were net sources of C to the atmosphere on an annual basis. Streams dominated (96\\%) the aquatic CO2 emission while lakes (61\\%) dominated the aquatic CH4 emission. Total aquatic C emission from the catchment was estimated to be 9.1 g C m−2 yr−1 (98\\% as CO2). Although streams only accounted for 4\\% of the aquatic area in the catchment, they accounted for 95\\% of the total emission. 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