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Measurements of the polarisation of the Antarctic sky from the sea ice edge at Cape Bird and from a ship journey from Hobart to McMurdo Sound
Entry ID: K041_1997_1998_NZ_1


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Summary
Abstract: The polarisation of the Antarctic sky was captured near the sea ice edge at Cape Bird to complement previous studies of the sky polarisation seen at Wellington (New Zealand), Scott Base, Tent Island and at Lake Vanda (Antarctica). The polarisation was seen to change from one site to another due to albedo effects (the way the light reflects from the surrounding ground) being much higher in Wellington than in Antarctica. Simultaneously, polarisation data was collected from a trip with the US Coast Guard Ice Breaker from Hobart, Australia to McMurdo. The polarisation at Hobart was essentially the same as at Wellington, but decreased in areas of pack ice. At the fast ice edge in the Ross Sea, the polarisation was at the value typical of Scott Base. This data completes a set showing albedo effects which are important for an understanding of details of the earth's radiation balance.
Geographic Coverage
 N: -77.1667 S: -77.1667  E: 166.6833  W: 166.6833

Temporal Coverage
Start Date: 1997-11-01
Stop Date: 1997-12-31


Location Keywords
CONTINENT > ANTARCTICA
CONTINENT > ANTARCTICA > ROSS ISLAND
CONTINENT > ANTARCTICA > CAPE BIRD
GEOGRAPHIC REGION > POLAR


Science Keywords
ATMOSPHERE >ATMOSPHERIC RADIATION >REFLECTANCE    [Definition]
ATMOSPHERE >ATMOSPHERIC RADIATION >SCATTERING    [Definition]
ATMOSPHERE >ATMOSPHERIC RADIATION >TRANSMITTANCE    [Definition]


ISO Topic Category
CLIMATOLOGY/METEOROLOGY/ATMOSPHERE


Platform
GROUND STATIONS    [Information]
SHIPS    [Information]


Instrument
POLARIMETERS    [Information]


Data Set Progress
COMPLETE


Data Center
Antarctica New Zealand, New Zealand Antarctic Institute, New Zealand    [Information]
Data Center URL: http://www.antarcticanz.govt.nz/

Data Center Personnel
Name: SHULAMIT GORDON
Phone: +64 3 358 0200
Fax: +64 3 358 0211
Email: s.gordon at antarcticanz.govt.nz
Contact Address:
Antarctica New Zealand
Private Bag 4745
City: Christchurch
Country: New Zealand


Personnel
DAVID BEAGLEHOLE
Role: INVESTIGATOR
Phone: +64 4 473 7749
Fax: +64 4 473 2686
Email: david.beaglehole at beaglehole.com
Contact Address:
Beaglehole Instruments Ltd
32 Salamanca Road
Kelburn
City: Wellington
Postal Code: 6012
Country: New Zealand


CEISHA POIROT
Role: DIF AUTHOR
Phone: +64 3 358 0200
Fax: +64 3 358 0211
Email: c.poirot at antarcticanz.govt.nz
Contact Address:
Antarctica New Zealand
Private Bag 4745
City: Christchurch
Country: New Zealand


SHULAMIT GORDON
Role: DIF AUTHOR
Phone: +64 3 358 0200
Fax: +64 3 358 0211
Email: s.gordon at antarcticanz.govt.nz
Contact Address:
Antarctica New Zealand
Private Bag 4745
City: Christchurch
Country: New Zealand


Publications/References
Beaglehole, D. Ramanathan, B. Rumberg, J. 1998 The UV and IR transmittance of Antarctic snow. Journal of geophysical research 103(8): 8849-8857

Creation and Review Dates
DIF Creation Date: 2009-05-21
Last DIF Revision Date: 2009-06-06


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