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Record #104390:
Response of the energy balance on the margin of the Greenland ice sheet to temperature changes / Roger J. Braithwaite, Ole Oleson.
Title: | Response of the energy balance on the margin of the Greenland ice sheet to temperature changes / Roger J. Braithwaite, Ole Oleson. |
Author(s): | Braithwaite, Roger J. Oleson, Ole. |
Date: | 1990. |
In: | Journal of Glaciology. (1990.), Vol. 36(123) (1990) |
Abstract: | Daily ice ablation on Nordbogletscher (1979-83) and Qamanârssûp sermia (1980-86) is related to air temperature by linear regression equation. Analysis of ablation-temperature equation, using simple energy-balance model, shows that sensible heat flux has greatest temperature response and accounts for 50% of temperature response of ablation. Net radiation accounts for 25%, and latent-heat flux and errors for remainder. Temperature response of sensible-heat flux at Qamanârssûp sermia is greater than at Nordbogletscher, mainly due to higher average wind speeds. Association of high winds with high temperatures during Föhn events further increases sensible-heat flux. Energy-balance model shows that ablation from snow surface is only 50% that from ice surface at same air temperature. |
Notes: | Journal of Glaciology. Vol. 36(123) :317-221 (1990). |
Keywords: | 551.324.4 -- Land ice, mass and energy balance. 551.32 -- Glaciology. 551.324 -- Land ice. 551.324.24 -- Ice sheets and caps. 551.324.43 -- Land ice, regime and mass balance. 551.324.433 -- Land ice, ablation and calving. E5 -- Glaciology: land ice. (*38) -- Greenland. (*324) -- Spitsbergen. |
SPRI record no.: | 104390 |
LDR 01863naa#a2200000#a#4500 001 SPRI-104390 005 20231203012718.0 007 ta 008 231203s1990####xx#ab#|##|###|0||#0|eng#d 035 ## ‡aSPRI-104390 040 ## ‡aUkCU-P‡beng‡eaacr 100 1# ‡aBraithwaite, Roger J. 245 10 ‡aResponse of the energy balance on the margin of the Greenland ice sheet to temperature changes /‡cRoger J. Braithwaite, Ole Oleson. 260 ## ‡a[S.l.] :‡b[s.n.],‡c1990. 300 ## ‡ap. 317-221 :‡bdiags., tables, map. 500 ## ‡aJournal of Glaciology. Vol. 36(123) :317-221 (1990). 520 3# ‡aDaily ice ablation on Nordbogletscher (1979-83) and Qamanârssûp sermia (1980-86) is related to air temperature by linear regression equation. Analysis of ablation-temperature equation, using simple energy-balance model, shows that sensible heat flux has greatest temperature response and accounts for 50% of temperature response of ablation. Net radiation accounts for 25%, and latent-heat flux and errors for remainder. Temperature response of sensible-heat flux at Qamanârssûp sermia is greater than at Nordbogletscher, mainly due to higher average wind speeds. Association of high winds with high temperatures during Föhn events further increases sensible-heat flux. Energy-balance model shows that ablation from snow surface is only 50% that from ice surface at same air temperature. 650 07 ‡a551.324.4 -- Land ice, mass and energy balance.‡2udc 650 07 ‡a551.32 -- Glaciology.‡2udc 650 07 ‡a551.324 -- Land ice.‡2udc 650 07 ‡a551.324.24 -- Ice sheets and caps.‡2udc 650 07 ‡a551.324.43 -- Land ice, regime and mass balance.‡2udc 650 07 ‡a551.324.433 -- Land ice, ablation and calving.‡2udc 650 07 ‡aE5 -- Glaciology: land ice.‡2local 651 #7 ‡a(*38) -- Greenland.‡2udc 651 #7 ‡a(*324) -- Spitsbergen.‡2udc 700 1# ‡aOleson, Ole. 773 0# ‡7nnas ‡tJournal of Glaciology. ‡gVol. 36(123) (1990) ‡wSPRI-20534 917 ## ‡aUnenhanced record from Muscat, imported 2019 948 3# ‡a20231203