Accession Number:

ADP007306

Title:

Energy Exchange Over Antarctic Sea Ice in Late Winter,

Descriptive Note:

Corporate Author:

ALFRED WEGENER INST FOR POLAR AND MARINE RESEARCH BREMERHAVEN (GERMANY)

Personal Author(s):

• Koenig-Langlo, G.
• Ivanov, B.
• Zachek, A.

Report Date:

1992-03-01

Pagination or Media Count:

5.0

Abstract:

In September and October 1989 during the Winter Weddell Gyre Study energy balance measurements were performed from the Soviet ice-breaker Akademik Fedorov. The average radiation balance of the sea ice surface turned out to be zero, i.e., short-wave radiation gains were, fully compensated by long-wave radiation losses. Due to turbulent fluxes of sensible and latent heat the atmosphere received about 25 W m-2 energy from the iceocean system. Since no significant ice melting or freezing was observed, the latter must originate mainly from warm deep water which is entrained into the oceanic mixed layer.

Descriptors:

• *ATMOSPHERICS
• *SEA ICE
• BALANCE
• DEEP WATER
• ENERGY
• FREEZING
• LATENT HEAT
• MEASUREMENT
• MELTING
• OCEANS
• RADIATION
• ENVIRONMENTAL IMPACT
• GREENHOUSE EFFECT

Subject Categories:

• Atmospheric Physics
• Meteorology
• Snow, Ice and Permafrost

Distribution Statement:

APPROVED FOR PUBLIC RELEASE