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Record #96612:

Periodic motions in Weddell Sea pack ice / M.A. Rowe, Christopher B. Sear, S.J. Morrison, Peter Wadhams, David W.S. Limbert, David R. Crane.

Title: Periodic motions in Weddell Sea pack ice / M.A. Rowe, Christopher B. Sear, S.J. Morrison, Peter Wadhams, David W.S. Limbert, David R. Crane.
Author(s): Rowe, M. A.
Sear, Christopher B.
Morrison, S. J.
Wadhams, Peter.
Limbert, David W. S.
Crane, David R.
Date: 1989.
Publisher: Cambridge: International Glaciological Society
In: Annals of Glaciology. (1989.), Vol. 12 (1989)
Abstract: Position data from satellite-tracked buoy deployed in southern Weddell Sea in austral summer 1986 are analyzed to determine important time-scales of variation of sea-ice motion in seasonal zone. Quality control and pre-processing of raw buoy data are discussed. Processed position data are subjected to time- and frequency-domain analyses, which highlight importance of diurnal and semi-diurnal periodicities in buoy motion. These preferred periodicities are associated with tidal forcing rather than wind forcing or inertial oscillations. Periodograms of longitudinal component of buoy motion indicate that power of 24 h tidal component drops dramatically around day 130 in 1986. Discusses possible causes. Concludes that internal resistance within sea-ice field may have increased at that time.
Notes:

Annals of Glaciology. Vol. 12 :145-151 (1989).

Keywords: 551.32 -- Glaciology.
551.326 -- Floating ice.
551.326.14 -- Floating ice, movement.
.000(410) -- British author: SPRI.
E6 -- Glaciology: floating ice.
(*7) -- Antarctic regions.
(*80) -- Southern Ocean.
(*826) -- Weddell Sea.
SPRI record no.: 96612

MARCXML

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245 00 ‡aPeriodic motions in Weddell Sea pack ice /‡cM.A. Rowe, Christopher B. Sear, S.J. Morrison, Peter Wadhams, David W.S. Limbert, David R. Crane.
260 ## ‡aCambridge :‡bInternational Glaciological Society,‡c1989.
300 ## ‡ap. 145-151 :‡bdiags., table, map.
500 ## ‡aAnnals of Glaciology. Vol. 12 :145-151 (1989).
520 3# ‡aPosition data from satellite-tracked buoy deployed in southern Weddell Sea in austral summer 1986 are analyzed to determine important time-scales of variation of sea-ice motion in seasonal zone. Quality control and pre-processing of raw buoy data are discussed. Processed position data are subjected to time- and frequency-domain analyses, which highlight importance of diurnal and semi-diurnal periodicities in buoy motion. These preferred periodicities are associated with tidal forcing rather than wind forcing or inertial oscillations. Periodograms of longitudinal component of buoy motion indicate that power of 24 h tidal component drops dramatically around day 130 in 1986. Discusses possible causes. Concludes that internal resistance within sea-ice field may have increased at that time.
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(*7) -- Antarctic regions.‡2udc
651 #7 ‡a(*80) -- Southern Ocean.‡2udc
651 #7 ‡a(*826) -- Weddell Sea.‡2udc
700 1# ‡aRowe, M. A.
700 1# ‡aSear, Christopher B.
700 1# ‡aMorrison, S. J.
700 1# ‡aWadhams, Peter.
700 1# ‡aLimbert, David W. S.
700 1# ‡aCrane, David R.
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