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Record #96606:

Short-term interactions between atmospheric synoptic conditions and sea-ice behaviour in the Arctic / James A. Maslanik, Roger G. Barry.

Title: Short-term interactions between atmospheric synoptic conditions and sea-ice behaviour in the Arctic / James A. Maslanik, Roger G. Barry.
Author(s): Maslanik, James A.
Barry, Roger G.
Date: 1989.
Publisher: Cambridge: International Glaciological Society
In: Annals of Glaciology. (1989.), Vol. 12 (1989)
Abstract: Passive microwave data (SMMR) and data from drifting buoys are used to examine atmosphere-ice interactions during autumn 1978 to autumn 1982 in Canada Basin. SMMR brightness temperatures, ratios, and calculated ice concentrations are compared with surface pressure, temperature, buoy motion, and winds at coincident location to identify possible linkages operating on daily to weekly time-scales. Interannual differences are discussed. Periods of reduced ice concentration, estimated by SMMR, are found to occur during late summer and early autumn in 1980-81-82. Decreases in ice concentration are concurrent with low-pressure systems and increased divergence in buoy field in 1980-81. Apparent decreases in ice compactness are discussed in relation to previously reported areas of reduced concentration interpreted from ESMR data. Evidence to support postulated relationship between atmospheric low pressure and divergence of ice under free-drift conditions is demonstrated for summer 1980.
Notes:

Annals of Glaciology. Vol. 12 :113-117 (1989).

Keywords: 551.465.7 -- Oceanography, energy budget.
551.32 -- Glaciology.
551.326 -- Floating ice.
551.326.7 -- Sea ice.
E6 -- Glaciology: floating ice.
(*60) -- Arctic Ocean and adjacent waters.
SPRI record no.: 96606

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500 ## ‡aAnnals of Glaciology. Vol. 12 :113-117 (1989).
520 3# ‡aPassive microwave data (SMMR) and data from drifting buoys are used to examine atmosphere-ice interactions during autumn 1978 to autumn 1982 in Canada Basin. SMMR brightness temperatures, ratios, and calculated ice concentrations are compared with surface pressure, temperature, buoy motion, and winds at coincident location to identify possible linkages operating on daily to weekly time-scales. Interannual differences are discussed. Periods of reduced ice concentration, estimated by SMMR, are found to occur during late summer and early autumn in 1980-81-82. Decreases in ice concentration are concurrent with low-pressure systems and increased divergence in buoy field in 1980-81. Apparent decreases in ice compactness are discussed in relation to previously reported areas of reduced concentration interpreted from ESMR data. Evidence to support postulated relationship between atmospheric low pressure and divergence of ice under free-drift conditions is demonstrated for summer 1980.
650 07 ‡a551.465.7 -- Oceanography, energy budget.‡2udc
650 07 ‡a551.32 -- Glaciology.‡2udc
650 07 ‡a551.326 -- Floating ice.‡2udc
650 07 ‡a551.326.7 -- Sea ice.‡2udc
650 07 ‡aE6 -- Glaciology: floating ice.‡2local
651 #7 ‡a(*60) -- Arctic Ocean and adjacent waters.‡2udc
700 1# ‡aBarry, Roger G.
773 0# ‡7nnas ‡tAnnals of Glaciology. ‡gVol. 12 (1989) ‡wSPRI-60773
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