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Research Spending & Results

Award Detail

Awardee:UNIVERSITY OF WASHINGTON
Doing Business As Name:University of Washington
PD/PI:
  • Steven R Emerson
  • (206) 543-0428
  • emerson@u.washington.edu
Award Date:08/18/1999
Estimated Total Award Amount: $ 629,576
Funds Obligated to Date: $ 629,576
  • FY 1999=$213,224
  • FY 2000=$227,931
  • FY 2001=$188,421
Start Date:01/01/2000
End Date:12/31/2003
Transaction Type:Grant
Agency:NSF
Awarding Agency Code:4900
Funding Agency Code:4900
CFDA Number:47.050
Primary Program Source:490100 NSF RESEARCH & RELATED ACTIVIT
Award Title or Description:The Biological Carbon Pump in the Subtropical North Pacific Ocean: Mechanisms of Nutrient Supply
Federal Award ID Number:9906922
DUNS ID:605799469
Parent DUNS ID:042803536
Program:Chemical Oceanography

Awardee Location

Street:4333 Brooklyn Ave NE
City:Seattle
State:WA
ZIP:98195-0001
County:Seattle
Country:US
Awardee Cong. District:07

Primary Place of Performance

Organization Name:University of Washington
Street:4333 Brooklyn Ave NE
City:Seattle
State:WA
ZIP:98195-0001
County:Seattle
Country:US
Cong. District:07

Abstract at Time of Award

ABSTRACT OCE-9906922 The subtropical gyres occupy a large fraction of the world ocean and until recently, the common view was that these vast nutrient-depleted regions support only a small amount of primary productivity. However, this view is changing and it appears that production in these areas is important. Thus it is important to understand the mechanism by which nutrients are supplied to these areas. To this end, this project will seek to improve estimates of the mechanisms of nutrient transport to the euphotic zone, and also better constrain the magnitude of the carbon pump. The three main elements of this proposal are improvment in the continuous measurements of oxygen and N2 on the HOT mooring, ship-of-opportunity measurements of DOP (dissolved organic phosphorus) and DON (dissolved organic nitrogen), and measurements of neon to clarify the mechanism of bubble-induced gas exchange in the O2 budget. The goal is to determine the quantitative importance of intermittment diapycnal and surface transport of phosphorus, and to improve mass balance estimates of net biological oxygen production.

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