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Record #200041:

A 2D model for characterising first-order variability in sublimation of buried glacier ice, Antarctica: assessing the influence of polygon troughs, desert pavements and shallow subsurface salts / Douglas E. Kowalewski, and 3 others.

Title: A 2D model for characterising first-order variability in sublimation of buried glacier ice, Antarctica: assessing the influence of polygon troughs, desert pavements and shallow subsurface salts / Douglas E. Kowalewski, and 3 others.
Author(s): Kowalewski, Douglas E.
Date: 2012.
In: Permafrost and Periglacial Processes. (2012.), Vol. 23(1) (2012)
Abstract: To assess role of thermal contraction-crack polygons (sublimation polygons) in modulating sublimation of buried glacier ice in Antarctica, authors apply 2D numerical model using COMSOL Multiphysics that calculates rate and spatial variability of vapour diffusion through porous media. Specifically, examines vapour transport through granite drift, dry superglacial till marked with thermal contraction-crack polygons that rests on 8-million-year old glacier ice. Emphasises importance of including field-based data for drift texture, topography, and microclimate variation in modelling ice sublimation. Concludes that preservation of buried ancient ice is plausible in coldest and driest regions of Antarctica.
Notes:

Permafrost and Periglacial Processes. Vol. 23(1) :1-14 (2012).

Keywords: 551.33 -- Glacial geology.
551.332.2 -- Drift, glacial. Deposits.
551.782.1 -- Miocene.
519.673 -- Modelling.
53 -- Physics.
536.422.1 -- Ice, sublimation.
91(08) -- Expeditions: 1955- US Antarctic Program.
91(08) -- Expeditions: 2005-06 USAP.
E7 -- Glaciology: glacial geology and ice ages.
(*7) -- Antarctic regions.
(*76) -- Ross Dependency.
(*762.4) -- Scott Coast.
SPRI record no.: 200041

MARCXML

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245 12 ‡aA 2D model for characterising first-order variability in sublimation of buried glacier ice, Antarctica :‡bassessing the influence of polygon troughs, desert pavements and shallow subsurface salts /‡cDouglas E. Kowalewski, and 3 others.
260 ## ‡a[S.l.] :‡b[s.n.],‡c2012.
300 ## ‡ap. 1-14 :‡bill., diags., tables, maps.
500 ## ‡aPermafrost and Periglacial Processes. Vol. 23(1) :1-14 (2012).
520 3# ‡aTo assess role of thermal contraction-crack polygons (sublimation polygons) in modulating sublimation of buried glacier ice in Antarctica, authors apply 2D numerical model using COMSOL Multiphysics that calculates rate and spatial variability of vapour diffusion through porous media. Specifically, examines vapour transport through granite drift, dry superglacial till marked with thermal contraction-crack polygons that rests on 8-million-year old glacier ice. Emphasises importance of including field-based data for drift texture, topography, and microclimate variation in modelling ice sublimation. Concludes that preservation of buried ancient ice is plausible in coldest and driest regions of Antarctica.
530 ## ‡aAlso issued online ‡uurn:doi:10.1002/ppp.731‡uhttps://dx.doi.org/10.1002/ppp.731
650 07 ‡a551.33 -- Glacial geology.‡2udc
650 07 ‡a551.332.2 -- Drift, glacial. Deposits.‡2udc
650 07 ‡a551.782.1 -- Miocene.‡2udc
650 07 ‡a519.673 -- Modelling.‡2udc
650 07 ‡a53 -- Physics.‡2udc
650 07 ‡a536.422.1 -- Ice, sublimation.‡2udc
650 07 ‡a91(08) -- Expeditions: 1955- US Antarctic Program.‡2udc
650 07 ‡a91(08) -- Expeditions: 2005-06 USAP.‡2udc
650 07 ‡aE7 -- Glaciology: glacial geology and ice ages.‡2local
651 #7 ‡a(*7) -- Antarctic regions.‡2udc
651 #7 ‡a(*76) -- Ross Dependency.‡2udc
651 #7 ‡a(*762.4) -- Scott Coast.‡2udc
773 0# ‡7nnas ‡tPermafrost and Periglacial Processes. ‡gVol. 23(1) (2012) ‡wSPRI-102743
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917 ## ‡aUnenhanced record from Muscat, imported 2019
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