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Biased sampling of methane release from northern lakes: A problem for extrapolation

Open access
Wik, Martin, Thornton, Brett F., Bastviken, David, Uhlbäck, Jo, Crill, Patrick M.·2016·Geophysical Research Letters

Abstract

Methane emissions from lakes are widely thought to be highly irregular and difficult to quantify with anything other than numerous distributed measurement stations and long‐term sampling campaigns. In spite of this, a large majority of the study sites north of 50°N have been measured over surprisingly short time periods of only one to a few days. Using long‐term data from three intensively studied small subarctic lakes, we recommend that measurements of diffusive methane flux and ebullition should be made over at least 11 and 39 days scattered throughout the ice‐free season using depth‐stratified sampling at 3 and 11 or more locations, respectively. We further show that low temporal and spatial resolutions are unlikely to cause overestimates. Therefore, we argue that most sites measured previously are likely underestimated in terms of emission potential. Avoiding these biases seen in much of the contemporary data is crucial to further constrain large‐scale methane emissions from northern lakes and ponds.

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Metadata

Authors
Wik, M., Thornton, B. F., Bastviken, D., Uhlbäck, J., & Crill, P. M.
Venue
Geophysical Research Letters
Published
2016-02-04
Volume
43
Issue
3
Pages
1256-1262
ISSN
  • 0094-8276 (ISSN-L)
  • 1944-8007
OpenAlex
W2229912585
Cited by
192
References
2
FWCI
14.86
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: Biased sampling of methane release from northern lakes: A problem for extrapolation. https://app.cochat.ai/papers/10.1002/2015gl066501
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Wik, M., Thornton, B. F., Bastviken, D., Uhlbäck, J., & Crill, P. M. (2016). Biased sampling of methane release from northern lakes: A problem for extrapolation. Geophysical Research Letters. https://doi.org/10.1002/2015gl066501

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