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Record #104384:
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MARC recordThe potential for basal melting under Summit, Greenland / John Firestone, Edwin D. Waddington, James Cunningham.
| Title: | The potential for basal melting under Summit, Greenland / John Firestone, Edwin D. Waddington, James Cunningham. |
| Author(s): | Firestone, John. Waddington, Edwin D. Cunningham, James. |
| Date: | 1990. |
| In: | Journal of Glaciology. (1990.), Vol. 36(123) (1990) |
| Abstract: | Deep-drilling projects will require thermal models to help in interpretation of palaeoclimatic signals in cores. Analytic, steady-state model predicts basal temperatures within 1°C of melting point and basal ice no older than <100-400 ka should melting occur. Two-dimensional, time-dependent temperature model includes effects of realistic two-dimensional ice flow and temperature and mass-balance patterns of last two glacial cycles. Basal temperatures are most sensitive to value of geothermal heat flux and mass-balance pattern. If flux is<56 mW m⁻², bed has probably been frozen throughout last two glacial cycles. |
| Notes: | Journal of Glaciology. Vol. 36(123) :163-168 (1990). |
| Keywords: | 551.32 -- Glaciology. 551.324 -- Land ice. 551.324.24 -- Ice sheets and caps. 551.321.2 -- Snow and ice, methods of sampling, excavating, drilling, etc. 622.233 -- Drills and drilling, ice and snow sampling. 551.583.3 -- Climatic changes, Quaternary. 551.324.433 -- Land ice, ablation and calving. 551.324.43 -- Land ice, regime and mass balance. E5 -- Glaciology: land ice. (*38) -- Greenland. |
| SPRI record no.: | 104384 |
LDR 01809naa#a2200000#a#4500 001 SPRI-104384 005 20231202052012.0 007 ta 008 231202s1990####xx#a##|##|###|0||#0|eng#d 035 ## ‡aSPRI-104384 040 ## ‡aUkCU-P‡beng‡eaacr 100 1# ‡aFirestone, John. 245 14 ‡aThe potential for basal melting under Summit, Greenland /‡cJohn Firestone, Edwin D. Waddington, James Cunningham. 260 ## ‡a[S.l.] :‡b[s.n.],‡c1990. 300 ## ‡ap. 163-168 :‡bdiags. 500 ## ‡aJournal of Glaciology. Vol. 36(123) :163-168 (1990). 520 3# ‡aDeep-drilling projects will require thermal models to help in interpretation of palaeoclimatic signals in cores. Analytic, steady-state model predicts basal temperatures within 1°C of melting point and basal ice no older than <100-400 ka should melting occur. Two-dimensional, time-dependent temperature model includes effects of realistic two-dimensional ice flow and temperature and mass-balance patterns of last two glacial cycles. Basal temperatures are most sensitive to value of geothermal heat flux and mass-balance pattern. If flux is<56 mW m⁻², bed has probably been frozen throughout last two glacial cycles. 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 ‡a551.321.2 -- Snow and ice, methods of sampling, excavating, drilling, etc.‡2udc 650 07 ‡a622.233 -- Drills and drilling, ice and snow sampling.‡2udc 650 07 ‡a551.583.3 -- Climatic changes, Quaternary.‡2udc 650 07 ‡a551.324.433 -- Land ice, ablation and calving.‡2udc 650 07 ‡a551.324.43 -- Land ice, regime and mass balance.‡2udc 650 07 ‡aE5 -- Glaciology: land ice.‡2local 651 #7 ‡a(*38) -- Greenland.‡2udc 700 1# ‡aWaddington, Edwin D. 700 1# ‡aCunningham, James. 773 0# ‡7nnas ‡tJournal of Glaciology. ‡gVol. 36(123) (1990) ‡wSPRI-20534 917 ## ‡aUnenhanced record from Muscat, imported 2019 948 3# ‡a20231202