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Record #96605:

Pack-ice motion in the Weddell Sea in relation to weather systems and determination of a Weddell Sea sea-ice budget / David W.S. Limbert, S.J. Morrison, Christopher B. Sear, Peter Wadhams, M.A. Rowe.

Title: Pack-ice motion in the Weddell Sea in relation to weather systems and determination of a Weddell Sea sea-ice budget / David W.S. Limbert, S.J. Morrison, Christopher B. Sear, Peter Wadhams, M.A. Rowe.
Author(s): Limbert, David W. S.
Morrison, S. J.
Sear, Christopher B.
Wadhams, Peter.
Rowe, M. A.
Date: 1989.
Publisher: Cambridge: International Glaciological Society
In: Annals of Glaciology. (1989.), Vol. 12 (1989)
Abstract: As part of Winter Weddell Sea Project 1986, satellite-transmitting buoy was placed on ice floe in southern Weddell Sea. Numerical surface-pressure analyses, which used buoy's measured values of air pressure and temperature, are used to assess impact of weather systems on pack-ice movement. Motion of buoy is shown to be related closely to position of circumpolar trough and to tracks of depressions crossing area. Tracks of this and other buoys deployed simultaneously are analyzed, together with known drifts of ice-bound vessels, to establish overall movement of sea ice in central and western Weddell Sea. Area of ice transported northward out of area is determined: 60% of winter cover is discharged and replaced by new ice emanating from coastal polynyas and from east. In summer, further 30% is discharged northward, leaving 40% cover, and, by implication, 30% loss by melting.
Notes:

Annals of Glaciology. Vol. 12 :104-112 (1989).

Keywords: 551.32 -- Glaciology.
551.326 -- Floating ice.
551.326.14 -- Floating ice, movement.
.000(410) -- British author: SPRI.
E6 -- Glaciology: floating ice.
(*80) -- Southern Ocean.
(*826) -- Weddell Sea.
SPRI record no.: 96605

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245 00 ‡aPack-ice motion in the Weddell Sea in relation to weather systems and determination of a Weddell Sea sea-ice budget /‡cDavid W.S. Limbert, S.J. Morrison, Christopher B. Sear, Peter Wadhams, M.A. Rowe.
260 ## ‡aCambridge :‡bInternational Glaciological Society,‡c1989.
300 ## ‡ap. 104-112 :‡bdiags., tables, maps.
500 ## ‡aAnnals of Glaciology. Vol. 12 :104-112 (1989).
520 3# ‡aAs part of Winter Weddell Sea Project 1986, satellite-transmitting buoy was placed on ice floe in southern Weddell Sea. Numerical surface-pressure analyses, which used buoy's measured values of air pressure and temperature, are used to assess impact of weather systems on pack-ice movement. Motion of buoy is shown to be related closely to position of circumpolar trough and to tracks of depressions crossing area. Tracks of this and other buoys deployed simultaneously are analyzed, together with known drifts of ice-bound vessels, to establish overall movement of sea ice in central and western Weddell Sea. Area of ice transported northward out of area is determined: 60% of winter cover is discharged and replaced by new ice emanating from coastal polynyas and from east. In summer, further 30% is discharged northward, leaving 40% cover, and, by implication, 30% loss by melting.
650 07 ‡a551.32 -- Glaciology.‡2udc
650 07 ‡a551.326 -- Floating ice.‡2udc
650 07 ‡a551.326.14 -- Floating ice, movement.‡2udc
650 07 ‡a.000(410) -- British author: SPRI.‡2udc
650 07 ‡aE6 -- Glaciology: floating ice.‡2local
651 #7 ‡a(*80) -- Southern Ocean.‡2udc
651 #7 ‡a(*826) -- Weddell Sea.‡2udc
700 1# ‡aLimbert, David W. S.
700 1# ‡aMorrison, S. J.
700 1# ‡aSear, Christopher B.
700 1# ‡aWadhams, Peter.
700 1# ‡aRowe, M. A.
773 0# ‡7nnas ‡tAnnals of Glaciology. ‡gVol. 12 (1989) ‡wSPRI-60773
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