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Record #129091:
- #129091
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MARC recordPermafrost, tectonics, and past and future regional climate change, Yukon and adjacent Northwest Territories / C.R. Burn.
| Title: | Permafrost, tectonics, and past and future regional climate change, Yukon and adjacent Northwest Territories / C.R. Burn. |
| Author(s): | Burn, C. R. |
| Date: | 1994. |
| In: | Canadian Journal of Earth Sciences. (1994.), Vol. 31(1) (1994) |
| Abstract: | Late Tertiary changes in general circulation of atmosphere, regionally enhanced by uplift of mountains, were sufficient to promote development of permafrost in western Arctic. This continued during Early Pleistocene, but degraded during interglacials. Present interglacial is only one with widespread evidence of permafrost, which is maintained in valleys as St Elias Mountains block penetration of maritime air from Gulf of Alaska and reduce snow depth in winter. General circulation models represent physiography of north-west Canada poorly, so simulations are unable to reproduce conditions responsible for development and maintenance of permafrost in this region. |
| Notes: | Canadian Journal of Earth Sciences. Vol. 31(1) :182-191 (1994). |
| Keywords: | 551.34 -- Geocryology. Frozen ground. 551.345 -- Permafrost. Cryopedology. 551.345.2 -- Permafrost, formation and decay. 551.58 -- Climatology. E8 -- Glaciology: frost action and permafrost. (*41) -- Canada. (*430) -- Yukon Territory. (*440) -- Northwest Territories. (*470) -- Mackenzie District. |
| SPRI record no.: | 129091 |
LDR 01730naa#a2200000#a#4500 001 SPRI-129091 005 20240419002351.0 007 ta 008 240419s1994####xx#ab#|##|###|0||#0|eng#d 035 ## ‡aSPRI-129091 040 ## ‡aUkCU-P‡beng‡eaacr 100 1# ‡aBurn, C. R. 245 10 ‡aPermafrost, tectonics, and past and future regional climate change, Yukon and adjacent Northwest Territories /‡cC.R. Burn. 260 ## ‡a[S.l.] :‡b[s.n.],‡c1994. 300 ## ‡ap. 182-191 :‡bdiags., tables, maps. 500 ## ‡aCanadian Journal of Earth Sciences. Vol. 31(1) :182-191 (1994). 520 3# ‡aLate Tertiary changes in general circulation of atmosphere, regionally enhanced by uplift of mountains, were sufficient to promote development of permafrost in western Arctic. This continued during Early Pleistocene, but degraded during interglacials. Present interglacial is only one with widespread evidence of permafrost, which is maintained in valleys as St Elias Mountains block penetration of maritime air from Gulf of Alaska and reduce snow depth in winter. General circulation models represent physiography of north-west Canada poorly, so simulations are unable to reproduce conditions responsible for development and maintenance of permafrost in this region. 650 07 ‡a551.34 -- Geocryology. Frozen ground.‡2udc 650 07 ‡a551.345 -- Permafrost. Cryopedology.‡2udc 650 07 ‡a551.345.2 -- Permafrost, formation and decay.‡2udc 650 07 ‡a551.58 -- Climatology.‡2udc 650 07 ‡aE8 -- Glaciology: frost action and permafrost.‡2local 651 #7 ‡a(*41) -- Canada.‡2udc 651 #7 ‡a(*430) -- Yukon Territory.‡2udc 651 #7 ‡a(*440) -- Northwest Territories.‡2udc 651 #7 ‡a(*470) -- Mackenzie District.‡2udc 773 0# ‡7nnas ‡tCanadian Journal of Earth Sciences. ‡gVol. 31(1) (1994) ‡wSPRI-39391 917 ## ‡aUnenhanced record from Muscat, imported 2019 948 3# ‡a20240419