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Atmosphere-Ocean-Ice Interaction in a Coastal Polynya
Entry ID: NSF-ANT07-39464

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Summary

Abstract: Antarctic polynyas are the ice free zones often persisting in continental sea ice. Characterization of the lower atmosphere properties, air-sea surface heat fluxes and corresponding ocean depth profiles of Antarctic polynyas, especially during strong wind events, is needed for a more detailed understanding of the role of polynya in the production of latent-heat type sea ice and the formation, through brine rejection, of dense ocean bottom waters. Broader impacts: A key technological innovation, the use of instrumented uninhabited aircraft systems (UAS), will be employed to enable the persistent and safe observation of the interaction of light and strong katabatic wind fields with the Terra Nova Bay (Victoria Land, Antarctica) polynya waters during late winter and early summer time frames. The use of UAS observational platforms on the continent to date has to date been modest, but demonstration of their versatility and effectiveness in surveying and observing mode is a welcome development. The projects use of UAS platforms by University of Colorado and LDEO (Columbia) researchers is both high risk, and potentially transformative for the systematic data measurement tasks that many Antarctic science applications increasingly require.

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Link: GET DATA
Description: Original data submitted.

Link: VIEW RELATED INFORMATION
Description: NSF Award Abstract #0739464

Geographic Coverage

N: -74.5 S: -78.5 E: 175.0 W: 160.0

Temporal Coverage

Start Date: 2008-08-15

Stop Date: 2012-07-31

Location Keywords

VERTICAL LOCATION > BOUNDARY LAYER
OCEAN > SOUTHERN OCEAN > ROSS SEA
VERTICAL LOCATION > TROPOSPHERE
GEOGRAPHIC REGION > POLAR

Science Keywords

ATMOSPHERE >ATMOSPHERIC TEMPERATURE >BOUNDARY LAYER TEMPERATURE    [Definition]

ATMOSPHERE >ATMOSPHERIC WINDS >BOUNDARY LAYER WINDS    [Definition]

CRYOSPHERE >SEA ICE >POLYNYAS    [Definition]

ISO Topic Category

GEOSCIENTIFIC INFORMATION

Project

NSF/OPP >Office of Polar Programs, National Science Foundation [Information]

Data Set Progress

COMPLETE

Data Center

Data Coordination Center, United States Antarctic Program [Information]
Data Center URL: http://www.usap-data.org/
Dataset ID: NSF-ANT07-39464

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

JOHN CASSANO
Role: INVESTIGATOR
Email: john.cassano at colorado.edu
Contact Address:
University of Colorado at Boulder
City: Boulder
Province or State: CO
Postal Code: 80309
Country: US

JIM MASLANIK
Role: INVESTIGATOR
Phone: (303) 492-6199
Fax: (303) 492-2468
Email: nsidc at kryos.colorado.edu
Contact Address:
National Snow and Ice Data Center
CIRES, 449 UCB
University of Colorado
City: Boulder
Province or State: CO
Postal Code: 80309

Creation and Review Dates

DIF Creation Date: 2012-09-13

Last DIF Revision Date: 2012-10-22

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