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Meromixis in hypersaline Mono Lake, California. 3. Biogeochemical response to stratification and overturn

Limnology and Oceanography

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Abstract

The monimolimnion remained anoxic and nearly isothermal, while the upper mixolimnion was well oxygenated and exhibited a seasonal thermal regime. Dissolved sulfide and methane increased in the monimolimnion as a result of diffusive flux from the sediments. Winter mixing down to the chemocline distributed sulfide and methane throughout the mixolimnion. Lakewide inventories of dissolved sulfide and methane reflected the balance between increased concentrations and decreased monimolimnion volume over time. At overturn, the entire water column was isothermal and anoxic. Dissolved sulfide (380 ?? 106 mol) was oxidized in one week by molecular oxygen. Methane (12 ?? 106 mol) was removed more slowly by microbial oxidation and ventilation across the air-water interface. -from Authors

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Meromixis in hypersaline Mono Lake, California. 3. Biogeochemical response to stratification and overturn
Series title:
Limnology and Oceanography
Volume
38
Issue:
5
Year Published:
1993
Language:
English
Publisher:
American Society of Limnology and Oceanography
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
Larger Work Title:
Limnology and Oceanography
First page:
1040
Last page:
1051