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Record #164638:

Internal ice-sheet radar layer profiles and their relation to reflection mechanisms between Dome C and the Transantarctic Mountains / Martin J. Siegert, Shuji Fujita.

Title: Internal ice-sheet radar layer profiles and their relation to reflection mechanisms between Dome C and the Transantarctic Mountains / Martin J. Siegert, Shuji Fujita.
Author(s): Siegert, Martin J.
Fujita, Shuji.
Date: 2001.
In: Journal of Glaciology. (2001.), Vol. 47(157) (2001)
Abstract: Investigates layered internal reflections in radar sounding data from Antarctic Ice Sheet. Uses similarities in Scott Polar Research Institute (SPRI) and the better calibrated Japanese Antarctic Research Expedition (JARE) data to re-interpret SPRI data for information on internal reflection mechanisms. Identifies particular form of A-scope profile (returned power against depth) associated with changes in ice permittivity with depth. Argues that below a certain depth these arise from changes in crystal-orientation rather than density. Finds this mechanism dominant cause of internal reflection at depths below 1000 m in the marginal area and associates it with large strains induced by shearing ice flow.
Notes:

Journal of Glaciology. Vol. 47(157) :205-212 (2001).

Keywords: 551.32 -- Glaciology.
551.322 -- Ice and snow.
548.2 -- Ice, granular structure. Anisotropy.
551.324 -- Land ice.
53.087.23 -- Remote sensing.
621.396.96 -- Radar.
.000(410) -- British author.
E5 -- Glaciology: land ice.
(*7) -- Antarctic regions.
(*701.1) -- Transantarctic Mountains.
(*747.6) -- Dome Circe region.
SPRI record no.: 164638

MARCXML

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245 10 ‡aInternal ice-sheet radar layer profiles and their relation to reflection mechanisms between Dome C and the Transantarctic Mountains /‡cMartin J. Siegert, Shuji Fujita.
260 ## ‡a[S.l.] :‡b[s.n.],‡c2001.
300 ## ‡ap. 205-212 :‡bill., diags.
500 ## ‡aJournal of Glaciology. Vol. 47(157) :205-212 (2001).
520 3# ‡aInvestigates layered internal reflections in radar sounding data from Antarctic Ice Sheet. Uses similarities in Scott Polar Research Institute (SPRI) and the better calibrated Japanese Antarctic Research Expedition (JARE) data to re-interpret SPRI data for information on internal reflection mechanisms. Identifies particular form of A-scope profile (returned power against depth) associated with changes in ice permittivity with depth. Argues that below a certain depth these arise from changes in crystal-orientation rather than density. Finds this mechanism dominant cause of internal reflection at depths below 1000 m in the marginal area and associates it with large strains induced by shearing ice flow.
650 07 ‡a551.32 -- Glaciology.‡2udc
650 07 ‡a551.322 -- Ice and snow.‡2udc
650 07 ‡a548.2 -- Ice, granular structure. Anisotropy.‡2udc
650 07 ‡a551.324 -- Land ice.‡2udc
650 07 ‡a53.087.23 -- Remote sensing.‡2udc
650 07 ‡a621.396.96 -- Radar.‡2udc
650 07 ‡a.000(410) -- British author.‡2udc
650 07 ‡aE5 -- Glaciology: land ice.‡2local
651 #7 ‡a(*7) -- Antarctic regions.‡2udc
651 #7 ‡a(*701.1) -- Transantarctic Mountains.‡2udc
651 #7 ‡a(*747.6) -- Dome Circe region.‡2udc
700 1# ‡aFujita, Shuji.
773 0# ‡7nnas ‡tJournal of Glaciology. ‡gVol. 47(157) (2001) ‡wSPRI-20534
917 ## ‡aUnenhanced record from Muscat, imported 2019
948 3# ‡a20220925