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Record #112858:
- #112858
Main publication details
MARC recordPaleothermometry by control methods / Douglas R. MacAyeal, John Firestone, Edwin D. Waddington.
| Title: | Paleothermometry by control methods / Douglas R. MacAyeal, John Firestone, Edwin D. Waddington. |
| Author(s): | MacAyeal, Douglas R. Firestone, John. Waddington, Edwin D. |
| Date: | 1991. |
| In: | Journal of Glaciology. (1991.), Vol. 37(127) (1991) |
| Abstract: | Recovery of past climatic conditions from ice-sheet bore-hole temperatures can best be accomplished using calculus of variations to minimize mismatch between observed profile and solution of heat equation which depends on unknown climate history. Here, control methods and simple one-dimensional heat equation and temperature-depth profile observed at Dye 3 are used to infer surface temperature of south Greenland over past 30 ka. History displays Younger Dryas cold event at 9 ka BP. Bore-hole palaeothermometry by control methods may thus resolve controversy concerning interpretation of Greenland ice-core isotope records. |
| Notes: | Journal of Glaciology. Vol. 37(127) :326-338 (1991). |
| Keywords: | 551.32 -- Glaciology. 551.321 -- Glaciological methods and instruments. 551.321.2 -- Snow and ice, methods of sampling, excavating, drilling, etc. 622.14 -- Core sampling, ice and snow. 551.58 -- Climatology. 551.583.3 -- Climatic changes, Quaternary. E3 -- Glaciology: instruments and methods. (*38) -- Greenland. |
| SPRI record no.: | 112858 |
LDR 01694naa#a2200000#a#4500 001 SPRI-112858 005 20230330095845.0 007 ta 008 230330s1991####xx#a##|##|###|0||#0|eng#d 035 ## ‡aSPRI-112858 040 ## ‡aUkCU-P‡beng‡eaacr 100 1# ‡aMacAyeal, Douglas R. 245 10 ‡aPaleothermometry by control methods /‡cDouglas R. MacAyeal, John Firestone, Edwin D. Waddington. 260 ## ‡a[S.l.] :‡b[s.n.],‡c1991. 300 ## ‡ap. 326-338 :‡bdiags. 500 ## ‡aJournal of Glaciology. Vol. 37(127) :326-338 (1991). 520 3# ‡aRecovery of past climatic conditions from ice-sheet bore-hole temperatures can best be accomplished using calculus of variations to minimize mismatch between observed profile and solution of heat equation which depends on unknown climate history. Here, control methods and simple one-dimensional heat equation and temperature-depth profile observed at Dye 3 are used to infer surface temperature of south Greenland over past 30 ka. History displays Younger Dryas cold event at 9 ka BP. Bore-hole palaeothermometry by control methods may thus resolve controversy concerning interpretation of Greenland ice-core isotope records. 650 07 ‡a551.32 -- Glaciology.‡2udc 650 07 ‡a551.321 -- Glaciological methods and instruments.‡2udc 650 07 ‡a551.321.2 -- Snow and ice, methods of sampling, excavating, drilling, etc.‡2udc 650 07 ‡a622.14 -- Core sampling, ice and snow.‡2udc 650 07 ‡a551.58 -- Climatology.‡2udc 650 07 ‡a551.583.3 -- Climatic changes, Quaternary.‡2udc 650 07 ‡aE3 -- Glaciology: instruments and methods.‡2local 651 #7 ‡a(*38) -- Greenland.‡2udc 700 1# ‡aFirestone, John. 700 1# ‡aWaddington, Edwin D. 773 0# ‡7nnas ‡tJournal of Glaciology. ‡gVol. 37(127) (1991) ‡wSPRI-20534 917 ## ‡aUnenhanced record from Muscat, imported 2019 948 3# ‡a20230330