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Record #186060:

Characterizing englacial drainage in the ablation zone of the Greenland ice sheet / Ginny A. Catania, Thomas A. Neumann, Stephen F. Price.

Title: Characterizing englacial drainage in the ablation zone of the Greenland ice sheet / Ginny A. Catania, Thomas A. Neumann, Stephen F. Price.
Author(s): Catania, Ginny A.
Neumann, Thomas A.
Price, Stephen F.
Date: 2008.
In: Journal of Glaciology. (2008.), Vol. 54(187) (2008)
Abstract: Reports use of ice-penetrating radar surveys at base of Greenland ice sheet to characterise englacial drainage features that appear as vertically stacked diffraction hyperbolae in common-offset profiles. Data are used with radar-simulation model (which allows for variations in geometry, penetration depth and infill material) to understand characteristics of hyperbolae and likelihood that they are produced by moulins. Finds only moderate correlation between locations of possible moulins and supraglacial lakes, indicating that many lakes drain over surface of ice sheet, or do not contain sufficient water to reach bed through moulin formation.
Notes:

Journal of Glaciology. Vol. 54(187) :567-406 (2008).

Keywords: 551.32 -- Glaciology.
551.321.61 -- Ice sounding, geophysical methods.
551.324 -- Land ice.
551.324.24 -- Ice sheets and caps.
551.324.86 -- Glacier streams.
551.324.87 -- Glacier potholes and mills.
556 -- Hydrology.
E11 -- Glaciology: glaciohydrology.
(*3) -- Arctic regions.
(*38) -- Greenland.
SPRI record no.: 186060

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100 1# ‡aCatania, Ginny A.
245 10 ‡aCharacterizing englacial drainage in the ablation zone of the Greenland ice sheet /‡cGinny A. Catania, Thomas A. Neumann, Stephen F. Price.
260 ## ‡a[S.l.] :‡b[s.n.],‡c2008.
300 ## ‡ap. 567-406 :‡bill., diags., tables, maps.
500 ## ‡aJournal of Glaciology. Vol. 54(187) :567-406 (2008).
520 3# ‡aReports use of ice-penetrating radar surveys at base of Greenland ice sheet to characterise englacial drainage features that appear as vertically stacked diffraction hyperbolae in common-offset profiles. Data are used with radar-simulation model (which allows for variations in geometry, penetration depth and infill material) to understand characteristics of hyperbolae and likelihood that they are produced by moulins. Finds only moderate correlation between locations of possible moulins and supraglacial lakes, indicating that many lakes drain over surface of ice sheet, or do not contain sufficient water to reach bed through moulin formation.
650 07 ‡a551.32 -- Glaciology.‡2udc
650 07 ‡a551.321.61 -- Ice sounding, geophysical methods.‡2udc
650 07 ‡a551.324 -- Land ice.‡2udc
650 07 ‡a551.324.24 -- Ice sheets and caps.‡2udc
650 07 ‡a551.324.86 -- Glacier streams.‡2udc
650 07 ‡a551.324.87 -- Glacier potholes and mills.‡2udc
650 07 ‡a556 -- Hydrology.‡2udc
650 07 ‡aE11 -- Glaciology: glaciohydrology.‡2local
651 #7 ‡a(*3) -- Arctic regions.‡2udc
651 #7 ‡a(*38) -- Greenland.‡2udc
700 1# ‡aNeumann, Thomas A.
700 1# ‡aPrice, Stephen F.
773 0# ‡7nnas ‡tJournal of Glaciology. ‡gVol. 54(187) (2008) ‡wSPRI-20534
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917 ## ‡aUnenhanced record from Muscat, imported 2019
948 3# ‡a20221004 ‡bJW