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Record #96607:
- #96607
Main publication details
MARC recordOn the underside scarring of floating ice sheets / George J. Musil.
| Title: | On the underside scarring of floating ice sheets / George J. Musil. |
| Author(s): | Musil, George J. |
| Date: | 1989. |
| In: | Annals of Glaciology. (1989.), Vol. 12 (1989) |
| Abstract: | Detailed analyses of radar images, obtained using synthetic aperture radar technique, from bottom surface of floating ice sheet suggests presence of linear, groove-type scarring. Dominant physical parameters (orientation, depth, and periodicity of scarring) are derived. Results relate to bottom roughness of Bach Ice Shelf, Alexander Island, Antarctica, close to grounding line, but are comparable to those of underside of Ross Ice Shelf. Therefore seems probable that roughness parameters measured on Ross Ice Shelf using standard radio-echo techniques relate to linear grooves which were introduced in region of ice grounding. Such scarring runs along direction of ice flow and is thought to be drawn-out imprint of bedrock surface when ice was last grounded. |
| Notes: | Annals of Glaciology. Vol. 12 :118-123 (1989). |
| Keywords: | 551.326.3 -- Floating ice, structure and surface features. 551.32 -- Glaciology. 551.324.28 -- Ice shelves: Bach Ice Shelf. 551.324.28 -- Ice shelves: Ross Ice Shelf. E5 -- Glaciology: land ice. (*7) -- Antarctic regions. (*76) -- Ross Dependency. (*726) -- Maritime Antarctic. (*726.7) -- Alexander Island, Charcot Island and Lataday Island. |
| SPRI record no.: | 96607 |
LDR 01770naa#a2200000#a#4500 001 SPRI-96607 005 20230325064746.0 007 ta 008 230325s1989####xx#a##|##|###|0||#0|eng#d 035 ## ‡aSPRI-96607 040 ## ‡aUkCU-P‡beng‡eaacr 100 1# ‡aMusil, George J. 245 10 ‡aOn the underside scarring of floating ice sheets /‡cGeorge J. Musil. 260 ## ‡a[S.l.] :‡b[s.n.],‡c1989. 300 ## ‡ap. 118-123 :‡bdiags. 500 ## ‡aAnnals of Glaciology. Vol. 12 :118-123 (1989). 520 3# ‡aDetailed analyses of radar images, obtained using synthetic aperture radar technique, from bottom surface of floating ice sheet suggests presence of linear, groove-type scarring. Dominant physical parameters (orientation, depth, and periodicity of scarring) are derived. Results relate to bottom roughness of Bach Ice Shelf, Alexander Island, Antarctica, close to grounding line, but are comparable to those of underside of Ross Ice Shelf. Therefore seems probable that roughness parameters measured on Ross Ice Shelf using standard radio-echo techniques relate to linear grooves which were introduced in region of ice grounding. Such scarring runs along direction of ice flow and is thought to be drawn-out imprint of bedrock surface when ice was last grounded. 650 07 ‡a551.326.3 -- Floating ice, structure and surface features.‡2udc 650 07 ‡a551.32 -- Glaciology.‡2udc 650 07 ‡a551.324.28 -- Ice shelves: Bach Ice Shelf.‡2udc 650 07 ‡a551.324.28 -- Ice shelves: Ross Ice Shelf.‡2udc 650 07 ‡aE5 -- Glaciology: land ice.‡2local 651 #7 ‡a(*7) -- Antarctic regions.‡2udc 651 #7 ‡a(*76) -- Ross Dependency.‡2udc 651 #7 ‡a(*726) -- Maritime Antarctic.‡2udc 651 #7 ‡a(*726.7) -- Alexander Island, Charcot Island and Lataday Island.‡2udc 773 0# ‡7nnas ‡tAnnals of Glaciology. ‡gVol. 12 (1989) ‡wSPRI-60773 917 ## ‡aUnenhanced record from Muscat, imported 2019 948 3# ‡a20230325