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Record #161352:
- #161352
Main publication details
MARC recordAre long subglacial bedforms indicative of fast ice flow? / Chris R. Stokes, Chris D. Clark.
| Title: | Are long subglacial bedforms indicative of fast ice flow? / Chris R. Stokes, Chris D. Clark. |
| Author(s): | Stokes, Chris R. Clark, Chris D. |
| Date: | 2002. |
| In: | Boreas. (2002.), Vol. 31(3) (2002) |
| Abstract: | Used satellite imagery to map subglacial bedforms associated with unusual bottleneck flow pattern north of Dubawnt Lake, Keewatin, Canada, testing assumption that attenuated drumlins and mega-scale glacial lineations are indicative of fast ice flow. Reviews past theories. Sedimentary characteristics are important, but ice velocity is primary control, not always producing long bedforms, but most likely to. Concludes highly attenuated subglacial bedforms indicate fast ice flow, though fast ice flow may not always produce them. Implies that this may enable identification of many more ice streams, changing view on flow dynamics and stability of former ice sheets. |
| Notes: | Boreas. Vol. 31(3) :239-249 (2002). |
| Keywords: | 551.33 -- Glacial geology. 551.331.5 -- Glacial erosion and protection. Sub-glacial topography. 551.332.54 -- Drumlins. 551.32 -- Glaciology. 551.324.5 -- Land ice, flow. 629.783 -- Satellites. .000(410) -- British author. E5 -- Glaciology: land ice. (*41) -- Canada. (*450) -- Keewatin District. |
| SPRI record no.: | 161352 |
LDR 01679naa#a2200000#a#4500 001 SPRI-161352 005 20230528005939.0 007 ta 008 230528s2002####xx#a##|##|###|0||#0|eng#d 035 ## ‡aSPRI-161352 040 ## ‡aUkCU-P‡beng‡eaacr 100 1# ‡aStokes, Chris R. 245 10 ‡aAre long subglacial bedforms indicative of fast ice flow? /‡cChris R. Stokes, Chris D. Clark. 260 ## ‡a[S.l.] :‡b[s.n.],‡c2002. 300 ## ‡ap. 239-249 :‡bill., diags. 500 ## ‡aBoreas. Vol. 31(3) :239-249 (2002). 520 3# ‡aUsed satellite imagery to map subglacial bedforms associated with unusual bottleneck flow pattern north of Dubawnt Lake, Keewatin, Canada, testing assumption that attenuated drumlins and mega-scale glacial lineations are indicative of fast ice flow. Reviews past theories. Sedimentary characteristics are important, but ice velocity is primary control, not always producing long bedforms, but most likely to. Concludes highly attenuated subglacial bedforms indicate fast ice flow, though fast ice flow may not always produce them. Implies that this may enable identification of many more ice streams, changing view on flow dynamics and stability of former ice sheets. 650 07 ‡a551.33 -- Glacial geology.‡2udc 650 07 ‡a551.331.5 -- Glacial erosion and protection. Sub-glacial topography.‡2udc 650 07 ‡a551.332.54 -- Drumlins.‡2udc 650 07 ‡a551.32 -- Glaciology.‡2udc 650 07 ‡a551.324.5 -- Land ice, flow.‡2udc 650 07 ‡a629.783 -- Satellites.‡2udc 650 07 ‡a.000(410) -- British author.‡2udc 650 07 ‡aE5 -- Glaciology: land ice.‡2local 651 #7 ‡a(*41) -- Canada.‡2udc 651 #7 ‡a(*450) -- Keewatin District.‡2udc 700 1# ‡aClark, Chris D. 773 0# ‡7nnas ‡tBoreas. ‡gVol. 31(3) (2002) ‡wSPRI-56035 917 ## ‡aUnenhanced record from Muscat, imported 2019 948 3# ‡a20230528