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Cited by 300

The DOI matches its Crossref record; 27 of the 27 references it cites were found in a registry or an index.

Extreme Methane Emissions from a Swiss Hydropower Reservoir: Contribution from Bubbling Sediments

Open access
DelSontro, Tonya, McGinnis, Daniel F., Sobek, Sebastian, Ostrovsky, Ilia, Wehrli, Bernhard·2010·Environmental Science & Technology

Abstract

Methane emission pathways and their importance were quantified during a yearlong survey of a temperate hydropower reservoir. Measurements using gas traps indicated very high ebullition rates, but due to the stochastic nature of ebullition a mass balance approach was crucial to deduce system-wide methane sources and losses. Methane diffusion from the sediment was generally low and seasonally stable and did not account for the high concentration of dissolved methane measured in the reservoir discharge. A strong positive correlation between water temperature and the observed dissolved methane concentration enabled us to quantify the dissolved methane addition from bubble dissolution using a system-wide mass balance. Finally, knowing the contribution due to bubble dissolution, we used a bubble model to estimate bubble emission directly to the atmosphere. Our results indicated that the total methane emission from Lake Wohlen was on average >150 mg CH(4) m(-2) d(-1), which is the highest ever documented for a midlatitude reservoir. The substantial temperature-dependent methane emissions discovered in this 90-year-old reservoir indicate that temperate water bodies can be an important but overlooked methane source.

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Metadata

Authors
DelSontro, T., McGinnis, D. F., Sobek, S., Ostrovsky, I., & Wehrli, B.
Venue
Environmental Science & Technology
Published
2010-03-10
Volume
44
Issue
7
Pages
2419-2425
ISSN
  • 0013-936X (ISSN-L)
  • 1520-5851
OpenAlex
W2080200865
Cited by
300
References
27
FWCI
15.14
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Extreme Methane Emissions from a Swiss Hydropower Reservoir: Contribution from Bubbling Sediments. https://app.cochat.ai/papers/10.1021/es9031369
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DelSontro, T., McGinnis, D. F., Sobek, S., Ostrovsky, I., & Wehrli, B. (2010). Extreme Methane Emissions from a Swiss Hydropower Reservoir: Contribution from Bubbling Sediments. Environmental Science & Technology. https://doi.org/10.1021/es9031369

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