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Record #117274:

A toy model linking atmospheric thermal radiation and sea ice growth / Alan S. Thorndike.

Title: A toy model linking atmospheric thermal radiation and sea ice growth / Alan S. Thorndike.
Author(s): Thorndike, Alan S.
Date: 1992.
In: Journal of Geophysical Research. (1992.), Vol. 97(C6) (1992)
Abstract: Presents highly simplified analytical model of sea-ice growth in which atmosphere is in thermal radiative equilibrium with ice. Downwelling longwave radiation reaching ice surface thus becomes internal variable rather than specified forcing. Ice is characterized by two variables only (thickness and surface temperature). Seasonal cycle is resolved into four steps, in which either thickness or temperature can vary. Ocean mixed layer of fixed depth but variable temperature provides heat sink if ice melts away during summer. This "bare bones" physics is enough to produce annual cycle of temperature and thickness not unlike today's conditions. Results also suggest how much climate must change to produce qualitatively different cycles.
Notes:

Journal of Geophysical Research. Vol. 97(C6) :9401-9410 (1992).

Keywords: 551.32 -- Glaciology.
551.326 -- Floating ice.
551.326.7 -- Sea ice.
551.326.2 -- Floating ice, formation and decay.
551.465.7 -- Oceanography, energy budget.
519.673 -- Modelling.
E6 -- Glaciology: floating ice.
SPRI record no.: 117274

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245 12 ‡aA toy model linking atmospheric thermal radiation and sea ice growth /‡cAlan S. Thorndike.
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500 ## ‡aJournal of Geophysical Research. Vol. 97(C6) :9401-9410 (1992).
520 3# ‡aPresents highly simplified analytical model of sea-ice growth in which atmosphere is in thermal radiative equilibrium with ice. Downwelling longwave radiation reaching ice surface thus becomes internal variable rather than specified forcing. Ice is characterized by two variables only (thickness and surface temperature). Seasonal cycle is resolved into four steps, in which either thickness or temperature can vary. Ocean mixed layer of fixed depth but variable temperature provides heat sink if ice melts away during summer. This "bare bones" physics is enough to produce annual cycle of temperature and thickness not unlike today's conditions. Results also suggest how much climate must change to produce qualitatively different cycles.
650 07 ‡a551.32 -- Glaciology.‡2udc
650 07 ‡a551.326 -- Floating ice.‡2udc
650 07 ‡a551.326.7 -- Sea ice.‡2udc
650 07 ‡a551.326.2 -- Floating ice, formation and decay.‡2udc
650 07 ‡a551.465.7 -- Oceanography, energy budget.‡2udc
650 07 ‡a519.673 -- Modelling.‡2udc
650 07 ‡aE6 -- Glaciology: floating ice.‡2local
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