A first estimate of organic carbon storage in Holocene lake sediments in Alberta, Canada |
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| Authors: | I.D. Campbell C. Campbell D.H. Vitt D. Kelker L.D. Laird D. Trew B. Kotak D. LeClair S. Bayley |
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| Affiliation: | (1) Canadian Forest Service, 5320-122 Street, Edmonton, AB, T6H 3S5, Canada;(2) Department of Earth and Atmospheric Sciences, University of Alberta, Edmonton, AB, T6G 2E9, Canada;(3) Department of Biological Sciences, University of Alberta, Edmonton, AB, T7G 2E9, Canada;(4) Alberta-Pacific Forest Industries Inc., P.O. Box 8000, Boyle, AB, T0A 0M0, Canada;(5) Department of Earth and Atmospheric Sciences, University of Alberta, Edmonton, AB, T6H 3S5, Canada;(6) Water Sciences Branch, Alberta Environmental Protection, 10th Floor, Oxbridge Place, 9820-106 Street, Edmonton, AB, T6K 2J6, Canada |
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| Abstract: | This paper reports a first estimate of the Holocene lake sediment carbon pool in Alberta, Canada. The organic matter content of lake sediment does not appear to depend strongly on lake size or other limnological parameters, allowing a simple first estimate in which we assume all Alberta lake sediment to have the same organic matter content. Alberta lake sediments sequester about 15 g C m-2 yr-1, for a provincial total of 0.23 Tg C yr-1, or 2.3 Pg C over the Holocene. Alberta lakes may represent as much as 1/1700 of total global, annual permanent carbon sequestration. |
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| Keywords: | carbon storage lake sediment Holocene Canada climate change organic matter |
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