The Oden Southern Ocean 2008-2009 expedition (OSO08), which was an international collaborative research project, took place between November 2008 and January 2009 and traveled across the poorly studied south Pacific sector of the Antarctic between Montevideo, Uruguay and McMurdo Station, Antarctica. Although sea-ice biota have been studied for decades, the Oden cruise afforded a unique opportunity to study their impact on climate-sensitive biogeochemistry. The Antarctic transect covered more than 3000 miles of the ice-covered Pacific sector, allowing us to sample a large range of sea-ice conditions and types, normally unavailable within a single expedition. Our measurements should provide insight to relationships between climate-active gas fluxes, microbial activity, and physical variables potentially measurable by satellite. We collected sea ice (cores), brine (from sackholes), and under-ice seawater from 16 stations between 70°S, 107°W and 76°S, 151°W in the Amundsen Sea and measured concentrations of inorganic and organic carbon and nitrogen, along with microbiological biomass and rate measurements. The Yager group measured concentrations of total inorganic carbon, bacterial abundance, bacterial community structure, bacterial production and respiration, as well as bacterial incorporation and respiration of model organic carbon substrates such as amino acids and methyl bromide.
N: -69.0 S: -76.0 E: -151.0 W: -108.0
|Temporal Extent:||Platform(s):||Not provided|
|Project Short Name||Campaigns||Project Dates|
|NSF/PLR||No campaigns listed.||No dates provided.|
|ESIP||No campaigns listed.||No dates provided.|
|Coverage Type||Zone Identifier||Geometry||Granule Representation|
|Coverage Type||Vertical Spatial Domains||Granule Representation|
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University of Georgia
School of Marine Programs
Athens, Georgia 30602-3636
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