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Record #110318:
- #110318
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MARC recordInternal structure and environmental significance of a perennial snowbank, Melville Island, N.W.T. / Antoni G. Lewkowicz, David G. Harry.
| Title: | Internal structure and environmental significance of a perennial snowbank, Melville Island, N.W.T. / Antoni G. Lewkowicz, David G. Harry. |
| Author(s): | Lewkowicz, Antoni G. Harry, David G. |
| Date: | 1991. |
| In: | Arctic. (1991.), Vol. 44(1) (1991) |
| Abstract: | Layered structure with alternating clear and milky bands, containing randomly oriented, variably shaped bubbles. Horizons of aeolian and mudflow deposits occur at irregular intervals, corresponding to periods of aggradation and thaw truncation. Basal 2 m of ice pre-dates 1957; other layers can also be dated by tritium concentrations. Energy balance measurements indicate that potential climatic warming is unlikely to eliminate perennial portion of snowbank unless accompanied by less snow drifting at site. |
| Notes: | Arctic. Vol. 44(1) :74-82 (1991). |
| Keywords: | 551.32 -- Glaciology. 551.578.46 -- Snow cover and snow patches. 548.54 -- Ice crystals, habit and appearance. 551.583 -- Climatic changes. E10 -- Glaciology: snow and avalanches. (*41) -- Canada. (*460) -- Franklin District. (*464.85) -- Melville Island. (*440) -- Northwest Territories. |
| SPRI record no.: | 110318 |
LDR 01558naa#a2200000#a#4500 001 SPRI-110318 005 20230322004613.0 007 ta 008 230322s1991####xx#ab#|##|###|0||#0|eng#d 035 ## ‡aSPRI-110318 040 ## ‡aUkCU-P‡beng‡eaacr 100 1# ‡aLewkowicz, Antoni G. 245 10 ‡aInternal structure and environmental significance of a perennial snowbank, Melville Island, N.W.T. /‡cAntoni G. Lewkowicz, David G. Harry. 260 ## ‡a[S.l.] :‡b[s.n.],‡c1991. 300 ## ‡ap. 74-82 :‡bill., diags., tables, map. 500 ## ‡aArctic. Vol. 44(1) :74-82 (1991). 520 3# ‡aLayered structure with alternating clear and milky bands, containing randomly oriented, variably shaped bubbles. Horizons of aeolian and mudflow deposits occur at irregular intervals, corresponding to periods of aggradation and thaw truncation. Basal 2 m of ice pre-dates 1957; other layers can also be dated by tritium concentrations. Energy balance measurements indicate that potential climatic warming is unlikely to eliminate perennial portion of snowbank unless accompanied by less snow drifting at site. 650 07 ‡a551.32 -- Glaciology.‡2udc 650 07 ‡a551.578.46 -- Snow cover and snow patches.‡2udc 650 07 ‡a548.54 -- Ice crystals, habit and appearance.‡2udc 650 07 ‡a551.583 -- Climatic changes.‡2udc 650 07 ‡aE10 -- Glaciology: snow and avalanches.‡2local 651 #7 ‡a(*41) -- Canada.‡2udc 651 #7 ‡a(*460) -- Franklin District.‡2udc 651 #7 ‡a(*464.85) -- Melville Island.‡2udc 651 #7 ‡a(*440) -- Northwest Territories.‡2udc 700 1# ‡aHarry, David G. 773 0# ‡7nnas ‡tArctic. ‡gVol. 44(1) (1991) ‡wSPRI-21029 917 ## ‡aUnenhanced record from Muscat, imported 2019 948 3# ‡a20230322