Science Keywords>OCEANS>OCEAN CHEMISTRY>BIOGEOCHEMICAL CYCLES
Application of a New Method for Isotopic Analysis of Diatom Microfossil-bound Nitrogen
Entry ID: NSF-ANT04-53680

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Summary
Abstract: The Southern Ocean may play a central role in causing ice ages and general global climate change. This work will reveal key characteristics of the glacial ocean, and may explain the cause of glacial/interglacial cycles by measuring the abundances of certain isotopes of nitrogen found in fossil diatoms from Antarctic marine sediments. Diatom-bound N is a potentially important recorder of nutrient ... View entire text
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Description: ID# 2009-052

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Description: NSF Award Abstract #0453680
Geographic Coverage
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Spatial coordinates   
  N: -60.0   S: -90.0   E: 180.0   W: -180.0

Temporal Coverage
Start Date: 2005-05-01
Stop Date: 2009-04-30
Location Keywords
Science Keywords
ISO Topic Category
Data Set Progress
COMPLETE
Data Center
Data Coordination Center, United States Antarctic Program Supplemental Info
Data Center URL: http://www.usap-data.org/
Dataset ID: NSF-ANT04-53680

Data Center Personnel
Name: ROBERT A. ARKO
Email: info at usap-data.org
Contact Address:
Lamont-Doherty Earth Observatory
61 Route 9W
City: Palisades
Province or State: NY
Postal Code: 10964
Country: USA
Personnel
DANIEL SIGMAN
Role: INVESTIGATOR
Email: sigman at princeton.edu
Contact Address:
Princeton University
City: Princeton
Province or State: NJ
Postal Code: 08544
Country: US
Creation and Review Dates
DIF Creation Date: 2009-05-20
Last DIF Revision Date: 2009-06-02

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