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Record #179601:

Watermass properties of the Antarctic slope front: a simple model / Hsien-Wang Ou.

Title: Watermass properties of the Antarctic slope front: a simple model / Hsien-Wang Ou.
Author(s): Ou, Hsien-Wang.
Date: 2007.
In: Journal of Physical Oceanography. (2007.), Vol. 37(1) (2007)
Abstract: Considers minimal model of homogeneous water masses forced by offshore wind and freshwater input in perpetual winter to elucidate basic constraints on properties of V shaped Antarctic slope front (ASF) which separates shelf and surface waters from circumpolar deep water (CDW). Surface water is stirred by and aligned with ice cover, with little leakage of ice or meltwater from frontal system, so ice production and melt merely redistribute heat and salt between frontal waters. Heat loss to atmosphere needs to be supplied by entraining CDW, which necessitates shelf water discharge on account of mass balance. Freshwater input means that discharged shelf water may not be saltier than CDW, which may descend slope to form bottom water only because of its coldness. With both frontal waters cooled to freezing point, dominant balances are formulated to determine their salinity and exchange rate with ambient CDW. Although extremely crude, model derivations compare favourably with observations, which may provide physically based parameterizations for bottom-water formation that can be incorporated into global models.
Notes:

Journal of Physical Oceanography. Vol. 37(1) :50-59 (2007).

Keywords: 551.46 -- Oceanography, physical.
551.465 -- Oceanography, dynamics.
551.465.4 -- Oceanography, stratification.
551.465.45 -- Water masses.
551.463.6 -- Sea water, thermal properties and heat flux.
551.464.5 -- Salinity.
519.673 -- Modelling.
C -- Oceanography, hydrography and hydrology.
(*7) -- Antarctic regions.
(*80) -- Southern Ocean.
(*881) -- Ross Sea.
SPRI record no.: 179601

MARCXML

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245 10 ‡aWatermass properties of the Antarctic slope front :‡ba simple model /‡cHsien-Wang Ou.
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300 ## ‡ap. 50-59 :‡bdiags.
500 ## ‡aJournal of Physical Oceanography. Vol. 37(1) :50-59 (2007).
520 3# ‡aConsiders minimal model of homogeneous water masses forced by offshore wind and freshwater input in perpetual winter to elucidate basic constraints on properties of V shaped Antarctic slope front (ASF) which separates shelf and surface waters from circumpolar deep water (CDW). Surface water is stirred by and aligned with ice cover, with little leakage of ice or meltwater from frontal system, so ice production and melt merely redistribute heat and salt between frontal waters. Heat loss to atmosphere needs to be supplied by entraining CDW, which necessitates shelf water discharge on account of mass balance. Freshwater input means that discharged shelf water may not be saltier than CDW, which may descend slope to form bottom water only because of its coldness. With both frontal waters cooled to freezing point, dominant balances are formulated to determine their salinity and exchange rate with ambient CDW. Although extremely crude, model derivations compare favourably with observations, which may provide physically based parameterizations for bottom-water formation that can be incorporated into global models.
530 ## ‡aAlso issued online ‡uurn:doi:10.1175/JPO2981.1‡uhttps://dx.doi.org/10.1175/JPO2981.1
650 07 ‡a551.46 -- Oceanography, physical.‡2udc
650 07 ‡a551.465 -- Oceanography, dynamics.‡2udc
650 07 ‡a551.465.4 -- Oceanography, stratification.‡2udc
650 07 ‡a551.465.45 -- Water masses.‡2udc
650 07 ‡a551.463.6 -- Sea water, thermal properties and heat flux.‡2udc
650 07 ‡a551.464.5 -- Salinity.‡2udc
650 07 ‡a519.673 -- Modelling.‡2udc
650 07 ‡aC -- Oceanography, hydrography and hydrology.‡2local
651 #7 ‡a(*7) -- Antarctic regions.‡2udc
651 #7 ‡a(*80) -- Southern Ocean.‡2udc
651 #7 ‡a(*881) -- Ross Sea.‡2udc
773 0# ‡7nnas ‡tJournal of Physical Oceanography. ‡gVol. 37(1) (2007) ‡wSPRI-78712
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