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Spectral and Broadband Albedo of Antarctic Sea-ice Types
Entry ID: warren_ANT1141275


Summary
Abstract: The albedo, or reflection coefficient, is a measure of the diffuse reflectivity of an irradiated surface. With the sunlit atmosphere as a light source, and sea-ice as a diffuse reflecting surface, the albedo would be the fraction of incident light that is returned to the atmosphere. A perfect (white) reflecting surface would have an albedo of 1; a perfect (black) absorbing surface would have an albedo of 0. The albedo of sea-ice is needed to assess the solar energy budget of the marginal ice zone, to compute the partial solar bands in radiation budgets in general circulation and earth system models, and is also needed to interpret remote sensing imagery data products.

Purpose: Applications requiring albedos further into the near IR, out to 2500nm, are assumed or approximated. Modern spectral radiometers, such as will be used in this campaign on a Southern Ocean voyage from Hobart to Antarctica, can extend these measurements of albedo from 350 to 2500nm, allowing earlier estimates to be verified, or corrected.

Surfaces to be encountered on this research cruise are ... View entire text
Related URL
Description: Antarctic field campaign data page
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Data Set Citation
Version: Not provided
Temporal Coverage
Start Date: 1970-01-01
Data Center
Department of Atmospheric Science, University of Washington Supplemental Info
Data Center URL: http://www.atmos.washington.edu/

Data Center Personnel
Name: STEPHEN G. WARREN
Phone: (206) 543-7230
Email: sgw at atmos.washington.edu
Contact Address:
Department of Atmospheric Sciences AK-40
University of Washington
City: Seattle
Province or State: Washington
Postal Code: 98195
Country: USA
Personnel
Role: INVESTIGATOR
Phone: (206) 543-7230
Email: sgw at atmos.washington.edu
Contact Address:
Department of Atmospheric Sciences AK-40
University of Washington
City: Seattle
Province or State: Washington
Postal Code: 98195
Country: USA
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Extended Metadata Properties
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Creation and Review Dates
DIF Creation Date: 2015-01-30
Last DIF Revision Date: 2018-11-08


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