Final Technical Report-The Ecology and Genomics of Co2 Fixatiion in Oceanic River Plumes

Technical Report · Fri Jun 21 04:00:00 EDT 2013

DOI:https://doi.org/10.2172/1084239· OSTI ID:1084239

Paul, John H. ^[1]

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1. Univ. of South Florida, Tampa, FL (United States); UNIVERSITY OF SOUTH FLORIDA

Oceanic river plumes represent some of the most productive environments on Earth. As major conduits for freshwater and nutrients into the coastal ocean, their impact on water column ecosystems extend for up to a thousand km into oligotrophic oceans. Upon entry into the oceans rivers are tremendous sources of CO₂ and dissolved inorganic carbon (DIC). Yet owing to increased light transmissivity from sediment deposition coupled with the influx of nutrients, dramatic CO₂ drawdown occurs, and plumes rapidly become sinks for CO₂. Using state-of-the-art gene expression technology, we have examined the molecular biodiversity of CO₂ fixation in the Mississippi River Plume (MRP; two research cruises) and the Orinoco River Plume (ORP; one cruise).

• Research Organization: Univ. of South Florida, Tampa, FL (United States)
• Sponsoring Organization: USDOE Office of Science (SC)
• DOE Contract Number: FG02-97ER62452
• OSTI ID: 1084239
• Report Number(s): DOE/ER--62452-Final Report
• Country of Publication: United States
• Language: English

Related Subjects

54 ENVIRONMENTAL SCIENCES
CARBON SEQUESTRATION
GENOMICS
PHYTOPLANKTON
RIVER PLUMES