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Record #164680:

Surface properties and processes of perennial Antarctic sea ice in summer / Christian Haas, David N. Thomas, Jörg Bareiss.

Title: Surface properties and processes of perennial Antarctic sea ice in summer / Christian Haas, David N. Thomas, Jörg Bareiss.
Author(s): Haas, Christian.
Thomas, David N.
Bareiss, Jörg.
Date: 2001.
In: Journal of Glaciology. (2001.), Vol. 47(159) (2001)
Abstract: Reports physical and biological investigations of perennial sea ice in summer 1994 in Bellingshausen and Amundsen Seas, and in summer 1997 in Weddell Sea. Proposes heuristic model of processes at surface of Antarctic sea ice from onset of summer melt to beginning of fall freeze-up. A total of 48 floes were visited. Reports stratigraphy of snow lying on sea ice and measurements of snow thickness, density, salinity, wetness and temperature. Describes coring and sampling of sea ice up to 5 m thick. Typical sequence is a snow layer above a surface ice layer overlying a slush- or sea-water-filled gap containing high algal standing stocks. Main ice below this is often extremely rotten and porous. Samples ice layer above gap with a high vertical resolution. Layer is evidence of considerable surface melting in Antarctic pack ice, strong enough to induce extensive snow metamorphism and the formation of superimposed ice (thickness reaches 0.25 m in NW Weddell Sea). Proposed model includes an abiotic explanation of initial gap formation. Discusses how sea ice processes affect radar backscatter. Contrasts conditions with those of Arctic summer, where ice growth is at base, rather than surface.
Notes:

Journal of Glaciology. Vol. 47(159) :613-625 (2001).

Keywords: 551.326 -- Floating ice.
551.326.7 -- Sea ice.
551.326.3 -- Floating ice, structure and surface features.
551.326-032.26 -- Floating ice, salinity.
551.326.021 -- Floating ice, satellite sensing.
551.578.46 -- Snow cover and snow patches.
551.521 -- Radiation, atmospheric.
582.26 -- Algae.
.000(410) -- British author.
E6 -- Glaciology: floating ice.
(*7) -- Antarctic regions.
(*80) -- Southern Ocean.
SPRI record no.: 164680

MARCXML

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100 1# ‡aHaas, Christian.
245 10 ‡aSurface properties and processes of perennial Antarctic sea ice in summer /‡cChristian Haas, David N. Thomas, Jörg Bareiss.
260 ## ‡a[S.l.] :‡b[s.n.],‡c2001.
300 ## ‡ap. 613-625 :‡bill., diags., tables.
500 ## ‡aJournal of Glaciology. Vol. 47(159) :613-625 (2001).
520 3# ‡aReports physical and biological investigations of perennial sea ice in summer 1994 in Bellingshausen and Amundsen Seas, and in summer 1997 in Weddell Sea. Proposes heuristic model of processes at surface of Antarctic sea ice from onset of summer melt to beginning of fall freeze-up. A total of 48 floes were visited. Reports stratigraphy of snow lying on sea ice and measurements of snow thickness, density, salinity, wetness and temperature. Describes coring and sampling of sea ice up to 5 m thick. Typical sequence is a snow layer above a surface ice layer overlying a slush- or sea-water-filled gap containing high algal standing stocks. Main ice below this is often extremely rotten and porous. Samples ice layer above gap with a high vertical resolution. Layer is evidence of considerable surface melting in Antarctic pack ice, strong enough to induce extensive snow metamorphism and the formation of superimposed ice (thickness reaches 0.25 m in NW Weddell Sea). Proposed model includes an abiotic explanation of initial gap formation. Discusses how sea ice processes affect radar backscatter. Contrasts conditions with those of Arctic summer, where ice growth is at base, rather than surface.
650 07 ‡a551.326 -- Floating ice.‡2udc
650 07 ‡a551.326.7 -- Sea ice.‡2udc
650 07 ‡a551.326.3 -- Floating ice, structure and surface features.‡2udc
650 07 ‡a551.326-032.26 -- Floating ice, salinity.‡2udc
650 07 ‡a551.326.021 -- Floating ice, satellite sensing.‡2udc
650 07 ‡a551.578.46 -- Snow cover and snow patches.‡2udc
650 07 ‡a551.521 -- Radiation, atmospheric.‡2udc
650 07 ‡a582.26 -- Algae.‡2udc
650 07 ‡a.000(410) -- British author.‡2udc
650 07 ‡aE6 -- Glaciology: floating ice.‡2local
651 #7 ‡a(*7) -- Antarctic regions.‡2udc
651 #7 ‡a(*80) -- Southern Ocean.‡2udc
700 1# ‡aThomas, David N.
700 1# ‡aBareiss, Jörg.
773 0# ‡7nnas ‡tJournal of Glaciology. ‡gVol. 47(159) (2001) ‡wSPRI-20534
917 ## ‡aUnenhanced record from Muscat, imported 2019
948 3# ‡a20220929