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Record #96595:

Dynamics of the Law Dome ice cap, Antarctica, as found from bore-hole measurements / D.M. Etheridge.

Title: Dynamics of the Law Dome ice cap, Antarctica, as found from bore-hole measurements / D.M. Etheridge.
Author(s): Etheridge, D. M.
Date: 1989.
Publisher: Cambridge: International Glaciological Society
In: Annals of Glaciology. (1989.), Vol. 12 (1989)
Abstract: Investigated by measuring deformation of three bore holes located on approximate flow line: two were drilled (300 and 344 m) in coastal area to within several metres of bedrock and one was drilled (418 m) halfway towards dome centre to about 50% of ice thickness. Detailed measurements of orientation, diameter, and temperature were taken through each bore hole over 1-year span for coastal boreholes and over 10 years for inland hole. Orientation data were reduced to obtain measure of shear strain-rate. Changes in depth of features located by bore-hole diameter measurements were used to obtain vertical velocity profiles. Other measurements discussed are temperature, oxygen isotopes, crystal structure, surface velocities, and surface and bedrock topography.
Notes:

Annals of Glaciology. Vol. 12 :46-50 (1989).

Keywords: 551.324.29 -- Land ice, miscellaneous forms: Law Dome.
551.324.5 -- Land ice, flow: Law Dome.
551.32 -- Glaciology.
551.324 -- Land ice.
539.37 -- Ice, plastic and viscous deformation.
E5 -- Glaciology: land ice.
(*7) -- Antarctic regions.
(*747) -- Wilkes Land.
SPRI record no.: 96595

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100 1# ‡aEtheridge, D. M.
245 10 ‡aDynamics of the Law Dome ice cap, Antarctica, as found from bore-hole measurements /‡cD.M. Etheridge.
260 ## ‡aCambridge :‡bInternational Glaciological Society,‡c1989.
300 ## ‡ap. 46-50 :‡bdiags.
500 ## ‡aAnnals of Glaciology. Vol. 12 :46-50 (1989).
520 3# ‡aInvestigated by measuring deformation of three bore holes located on approximate flow line: two were drilled (300 and 344 m) in coastal area to within several metres of bedrock and one was drilled (418 m) halfway towards dome centre to about 50% of ice thickness. Detailed measurements of orientation, diameter, and temperature were taken through each bore hole over 1-year span for coastal boreholes and over 10 years for inland hole. Orientation data were reduced to obtain measure of shear strain-rate. Changes in depth of features located by bore-hole diameter measurements were used to obtain vertical velocity profiles. Other measurements discussed are temperature, oxygen isotopes, crystal structure, surface velocities, and surface and bedrock topography.
650 07 ‡a551.324.29 -- Land ice, miscellaneous forms: Law Dome.‡2udc
650 07 ‡a551.324.5 -- Land ice, flow: Law Dome.‡2udc
650 07 ‡a551.32 -- Glaciology.‡2udc
650 07 ‡a551.324 -- Land ice.‡2udc
650 07 ‡a539.37 -- Ice, plastic and viscous deformation.‡2udc
650 07 ‡aE5 -- Glaciology: land ice.‡2local
651 #7 ‡a(*7) -- Antarctic regions.‡2udc
651 #7 ‡a(*747) -- Wilkes Land.‡2udc
773 0# ‡7nnas ‡tAnnals of Glaciology. ‡gVol. 12 (1989) ‡wSPRI-60773
917 ## ‡aUnenhanced record from Muscat, imported 2019
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