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Record #123667:
Firn temperature and meltwater refreezing in the lower accumulation area of the Greenland ice sheet, Pâkitsoq, West Greenland / Roger J. Braithwaite.
Title: | Firn temperature and meltwater refreezing in the lower accumulation area of the Greenland ice sheet, Pâkitsoq, West Greenland / Roger J. Braithwaite. |
Author(s): | Braithwaite, Roger J. |
Date: | 1993. |
In: | Grønlands Geologiske Undersøgelse. Rapport. (1993.), Vol. 159 (1993) |
Abstract: | Study carried out as part of EPOCH international project on sea-level changes. In this study area, at 1440 to 1620 m a.s.l., meltwater percolates several metres into firn and refreezes, warming firn by 5 to 7°C compared with annual air temperatures. Firn warming is closed related to surface melt which can be estimated by several methods. Relatively high degree-day factor is needed to account for melt rates found. |
Notes: | Grønlands Geologiske Undersøgelse. Rapport. Vol. 159 :109-114 (1993). |
Keywords: | 551.578.46 -- Snow cover and snow patches. 551.578.463 -- Snow cover, firnification. 551.324.24 -- Ice sheets and caps. 551.588.5 -- Climate, relationship with ice. 551.588 -- Climate, effect of man and environment. 001.89 -- Research programmes: European Programme on Climatology and Natural Hazards (EPOCH). 551.324.431 -- Land ice, accumulation. 551.32 -- Glaciology. 551.324 -- Land ice. E11 -- Glaciology: glaciohydrology. (*38) -- Greenland. (*384) -- West Greenland. |
SPRI record no.: | 123667 |
LDR 01746naa#a2200000#a#4500 001 SPRI-123667 005 20240329000647.0 007 ta 008 240329s1993####xx#ab#|##|###|0||#0|eng#d 035 ## ‡aSPRI-123667 040 ## ‡aUkCU-P‡beng‡eaacr 100 1# ‡aBraithwaite, Roger J. 245 10 ‡aFirn temperature and meltwater refreezing in the lower accumulation area of the Greenland ice sheet, Pâkitsoq, West Greenland /‡cRoger J. Braithwaite. 260 ## ‡a[S.l.] :‡b[s.n.],‡c1993. 300 ## ‡ap. 109-114 :‡bdiags., tables, map. 500 ## ‡aGrønlands Geologiske Undersøgelse. Rapport. Vol. 159 :109-114 (1993). 520 3# ‡aStudy carried out as part of EPOCH international project on sea-level changes. In this study area, at 1440 to 1620 m a.s.l., meltwater percolates several metres into firn and refreezes, warming firn by 5 to 7°C compared with annual air temperatures. Firn warming is closed related to surface melt which can be estimated by several methods. Relatively high degree-day factor is needed to account for melt rates found. 650 07 ‡a551.578.46 -- Snow cover and snow patches.‡2udc 650 07 ‡a551.578.463 -- Snow cover, firnification.‡2udc 650 07 ‡a551.324.24 -- Ice sheets and caps.‡2udc 650 07 ‡a551.588.5 -- Climate, relationship with ice.‡2udc 650 07 ‡a551.588 -- Climate, effect of man and environment.‡2udc 650 07 ‡a001.89 -- Research programmes: European Programme on Climatology and Natural Hazards (EPOCH).‡2udc 650 07 ‡a551.324.431 -- Land ice, accumulation.‡2udc 650 07 ‡a551.32 -- Glaciology.‡2udc 650 07 ‡a551.324 -- Land ice.‡2udc 650 07 ‡aE11 -- Glaciology: glaciohydrology.‡2local 651 #7 ‡a(*38) -- Greenland.‡2udc 651 #7 ‡a(*384) -- West Greenland.‡2udc 773 0# ‡7nnas ‡tGrønlands Geologiske Undersøgelse. Rapport. ‡gVol. 159 (1993) ‡wSPRI-39401 917 ## ‡aUnenhanced record from Muscat, imported 2019 948 3# ‡a20240329