1. Robotic Observations of Enhanced Carbon Biomass and Export at 55°S During SOFeX.
- Author
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Bisho, James K. B., Wood, Todd J., Davis, Russ E., and Sherman, Jeffrey T.
- Subjects
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BIOMASS , *CARBON , *MOLECULAR volume , *IRON , *ATMOSPHERIC carbon dioxide - Abstract
Autonomous floats profiling in high-nitrate low-silicate waters of the Southern Ocean observed carbon biomass variability and carbon exported to depths of 100 m during the 2002 Southern Ocean Iron Experiment (SOFeX) to detect the effects of iron fertilization of surface water there. Control and "in-patch" measurements documented a greater than fourfold enhancement of carbon biomass in the iron-amended waters. Carbon export through 100 m increased two- to sixfold as the patch subducted below a front. The molar ratio of iron added to carbon exported ranged between 10[sup4] and 10[sup5]. The biomass buildup and export were much higher than expected for iron-amended low-silicate waters. [ABSTRACT FROM AUTHOR]
- Published
- 2004