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Record #118779:
Sea ice melting and floe geometry on a simple ice--ocean model / Michael Steele.
Title: | Sea ice melting and floe geometry on a simple ice--ocean model / Michael Steele. |
Author(s): | Steele, Michael. |
Date: | 1992. |
In: | Journal of Geophysical Research. (1992.), Vol. 97(C11) (1992) |
Abstract: | Model contains diagnostic equation for average floe diameter in addition to prognostic equations for ice volume per unit area and ice concentration. Partition between melting on top, bottom, and lateral (side) surfaces of floes is examined using time-dependent simulations with differing initial average floe diameters. Different parameterizations for published bottom and lateral melting are also compared and found to vary significantly. Results show that lateral melting is important only for floes with diameters <30 m, given atmospheric thermal forcing typical of central Arctic in summer, which means that decrease in ice concentration over summer is strong function of floe diameter. In all cases, about 80% of net thermal energy entering ocean through leads goes towards melting ice, and remainder warms ocean. |
Notes: | Journal of Geophysical Research. Vol. 97(C11) :17, 729-17, 738 (1992). |
Keywords: | 551.32 -- Glaciology. 551.326 -- Floating ice. 551.326.7 -- Sea ice. 551.326.2 -- Floating ice, formation and decay. 536.421.1 -- Melting. 519.673 -- Modelling. E6 -- Glaciology: floating ice. |
SPRI record no.: | 118779 |
LDR 01717naa#a2200000#a#4500 001 SPRI-118779 005 20240329103827.0 007 ta 008 240329s1992####xx#ab#|##|###|0||#0|eng#d 035 ## ‡aSPRI-118779 040 ## ‡aUkCU-P‡beng‡eaacr 100 1# ‡aSteele, Michael. 245 10 ‡aSea ice melting and floe geometry on a simple ice--ocean model /‡cMichael Steele. 260 ## ‡a[S.l.] :‡b[s.n.],‡c1992. 300 ## ‡ap. 17, 729-17, 738 :‡bdiags., map. 500 ## ‡aJournal of Geophysical Research. Vol. 97(C11) :17, 729-17, 738 (1992). 520 3# ‡aModel contains diagnostic equation for average floe diameter in addition to prognostic equations for ice volume per unit area and ice concentration. Partition between melting on top, bottom, and lateral (side) surfaces of floes is examined using time-dependent simulations with differing initial average floe diameters. Different parameterizations for published bottom and lateral melting are also compared and found to vary significantly. Results show that lateral melting is important only for floes with diameters <30 m, given atmospheric thermal forcing typical of central Arctic in summer, which means that decrease in ice concentration over summer is strong function of floe diameter. In all cases, about 80% of net thermal energy entering ocean through leads goes towards melting ice, and remainder warms ocean. 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 ‡a536.421.1 -- Melting.‡2udc 650 07 ‡a519.673 -- Modelling.‡2udc 650 07 ‡aE6 -- Glaciology: floating ice.‡2local 773 0# ‡7nnas ‡tJournal of Geophysical Research. ‡gVol. 97(C11) (1992) ‡wSPRI-35252 917 ## ‡aUnenhanced record from Muscat, imported 2019 948 3# ‡a20240329