Award Abstract # 0338103
Collaborative Research: Southern Ocean Current Observations from the U. S. Antarctic Research Vessels

NSF Org: OPP
Office of Polar Programs (OPP)
Recipient: UNIVERSITY OF CALIFORNIA SAN DIEGO
Initial Amendment Date: June 28, 2004
Latest Amendment Date: April 24, 2008
Award Number: 0338103
Award Instrument: Continuing Grant
Program Manager: Peter Milne
OPP
 Office of Polar Programs (OPP)
GEO
 Directorate for Geosciences
Start Date: July 1, 2004
End Date: June 30, 2010 (Estimated)
Total Intended Award Amount: $731,745.00
Total Awarded Amount to Date: $731,745.00
Funds Obligated to Date: FY 2004 = $143,781.00
FY 2005 = $149,046.00

FY 2006 = $152,976.00

FY 2007 = $141,004.00

FY 2008 = $144,938.00
History of Investigator:
  • Teresa Chereskin (Principal Investigator)
    tchereskin@ucsd.edu
Recipient Sponsored Research Office: University of California-San Diego Scripps Inst of Oceanography
8622 DISCOVERY WAY # 116
LA JOLLA
CA  US  92093-1500
(858)534-1293
Sponsor Congressional District: 50
Primary Place of Performance: University of California-San Diego Scripps Inst of Oceanography
8622 DISCOVERY WAY # 116
LA JOLLA
CA  US  92093-1500
Primary Place of Performance
Congressional District:
50
Unique Entity Identifier (UEI): QJ8HMDK7MRM3
Parent UEI: QJ8HMDK7MRM3
NSF Program(s): ANT Ocean & Atmos Sciences
Primary Program Source: 0100CYXXDB NSF RESEARCH & RELATED ACTIVIT
Program Reference Code(s): 0000, OTHR
Program Element Code(s): 511300
Award Agency Code: 4900
Fund Agency Code: 4900
Assistance Listing Number(s): 47.078

ABSTRACT

This proposed work concerns the development and maintenance of a shipboard acoustic Doppler current profiler (ADCP) program on board the RVIB Nathaniel B. Palmer and the research vessel Laurence M. Gould, operated by the United States Antarctic Program. The objective is to generate a quality-controlled data set on upper ocean current velocities in a sparsely sampled and remote region, yet one that plays an important role in the global ocean circulation. Further goals are to develop the underway data collection program so that it can be maintained with a minimum of personnel and resources, and that the observations become publicly available in a timely manner. Long-term science objectives are to measure the seasonal and interannual variability of upper ocean currents within the Drake Passage, to combine this information with similar temperature observations to study the variability in the heat exchange, and to characterize the velocity structure in the Southern Ocean on a variety of time and space scales.

PUBLICATIONS PRODUCED AS A RESULT OF THIS RESEARCH

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Chereskin, T. "Interannual Variability in the Near-Surface Scattering Layer in Drake Passage" Eos Trans. AGU , v.87(36) , 2006 , p.OS25H-01
Chereskin, T. "Interannual Variability in the Near-Surface Scattering Layer in Drake Passage" Eos Trans. AGU , v.87(36) , 2006 , p.OS25H-01
Chereskin, T. K.; Tarling, G. A. "Interannual to diurnal variability in the near-surface scattering layer in Drake Passage" ICES Journal of Marine Science , 2007 10.1093/icesjms/fsm138
Chereskin, T. K.; Tarling, G. A. "Interannual to diurnal variability in the near-surface scattering layer in Drake Passage" ICES Journal of Marine Science , 2007 10.1093/icesjms/fsm138
Lenn, Y.-D. and Chereskin, T. K. "Estimating the Mean Antarctic Circumpolar Current in Drake Passage From in situ Surface Velocities and Satellite Altimetry." Eos Trans. AGU , v.87(36) , 2006 , p.OS25Q-22
Lenn, Y.-D. and T. K. Chereskin "Observations of Ekman Currents in the Southern Ocean" J. Phys. Oceanogr. , v.39 , 2008 , p.768 10.1175/2008JPO3934.1
Lenn, Y.-D. and T. K. Chereskin "Observations of Ekman Currents in the Southern Ocean" J. Phys. Oceanogr. , v.39 , 2009 , p.768 10.1175/2008JPO3934.1
Lenn, Y.-D., T. K. Chereskin and J. Sprintall "Improving estimates of the Antarctic Circumpolar Current streamlines in Drake Passage" Journal of Physical Oceanography , v.38 , 2008 , p.1000 10.1175/2007JPO3834.1
Lenn, Y.-D., T. K. Chereskin, J. Sprintall and E. Firing "Mean Jets, Mesoscale Variability and Eddy Momentum Fluxes in the Surface Layer of the Antarctic Circumpolar Current in Drake Passage" J. Mar. Res. , v.65 , 2007 , p.27-58

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