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Free-drifting Icebergs as Proliferating Dispersion Sites of Iron Enrichment, Organic Carbon Production and Export in the Southern Ocean
Entry ID: NSF-ANT06-36730

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Abstract: Atmospheric warming has been associated with retreating glaciers, disintegrating ice shelves, and the increasing prevalence of icebergs in the Southern Ocean over the last decade. Our preliminary study of two icebergs in the NW Weddell Sea, an area of high iceberg concentration, showed significant delivery of terrestrial material accompanied by significant enhancement of phytoplankton and ... View entire text

Purpose: The objectives of this proposal are to investigate the controls on the large-scale distribution and production of the two major bloom-forming phytoplankton taxa in the Southern Ocean, diatoms and Phaeocystis Antarctica. These two groups, through their involvement in the biogeochemical cycles of carbon, sulfur and nutrient elements, may have played important roles in the climate variations of the ... View entire text
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Description: U.S. Antarctic Program (USAP)
Original data submitted.

Description: NSF Award Abstract #0636730
Geographic Coverage
Spatial coordinates   
  N: -52.0   S: -65.0   E: -40.0   W: -55.0

Temporal Coverage
Start Date: 2007-09-01
Stop Date: 2010-08-31
ISO Topic Category
Data Set Progress
Data Center
United States Antarctic Program Data Center Supplemental Info
Data Center URL:
Dataset ID: NSF-ANT06-36730

Data Center Personnel
Email: info at
Contact Address:
Lamont-Doherty Earth Observatory
61 Route 9W
City: Palisades
Province or State: NY
Postal Code: 10964
Country: USA
Email: mvernet at
Contact Address:
Scripps Institution of Oceanography
City: La Jolla
Province or State: CA
Postal Code: 92093
Country: US
Extended Metadata Properties
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Creation and Review Dates
DIF Creation Date: 2010-11-22
Last DIF Revision Date: 2017-08-23