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Record #165741:
- #165741
Main publication details
MARC recordGlacial erosion beneath ice streams and ice-stream tributaries: constraints on temporal and spatial distribution of erosion from numerical simulations of a West Antarctic ice stream / Marion Bougamont, Slawek Tulaczyk.
| Title: | Glacial erosion beneath ice streams and ice-stream tributaries: constraints on temporal and spatial distribution of erosion from numerical simulations of a West Antarctic ice stream / Marion Bougamont, Slawek Tulaczyk. |
| Author(s): | Bougamont, Marion. Tulaczyk, Slawek. |
| Date: | 2003. |
| In: | Boreas. (2003.), Vol. 32(1) (2003) |
| Abstract: | Addresses high rates of sediment generation and transport beneath West Antarctic ice streams. Quantifies effects of till ploughing by basal ice bumps using new time-dependent flow-band numerical model that includes ice and till continuity, ice thermodynamics and mechanical and hydrologic interaction between till layer and ice base. Applies model to Ice Stream C (Kamb Ice Stream) over ca. 8500 model years. Modelled magnitudes and spatial patterns of till transport and sub-till erosion generally agree with existing constraints on modern and palaeo-ice streams of Ross Embayment. For example, erosion rates are higher beneath ice stream tributaries than beneath ice stream trunks. In special issue Palaeo-ice streams. |
| Notes: | Boreas. Vol. 32(1) :178-190 (2003). |
| Keywords: | 551.32 -- Glaciology. 551.324 -- Land ice. 551.324.29 -- Land ice, miscellaneous forms: Ice Stream C. 551.33 -- Glacial geology. 551.331 -- Glacial erosion. 551.331.4 -- Glacial erosion, processes. 551.332 -- Glacial deposition. 551.332.21 -- Till or boulder clay. Tillite. Glacial diamictites. 551.332.54 -- Drumlins. 551.336 -- Ice ages. 519.673 -- Modelling. E7 -- Glaciology: glacial geology and ice ages. (*7) -- Antarctic regions. (*7.7) -- West Antarctica. (*767.3) -- Gould Coast. |
| SPRI record no.: | 165741 |
LDR 02236naa#a2200000#a#4500 001 SPRI-165741 005 20231201002211.0 007 ta 008 231201s2003####xx#a##|##|###|0||#0|eng#d 035 ## ‡aSPRI-165741 040 ## ‡aUkCU-P‡beng‡eaacr 100 1# ‡aBougamont, Marion. 245 10 ‡aGlacial erosion beneath ice streams and ice-stream tributaries :‡bconstraints on temporal and spatial distribution of erosion from numerical simulations of a West Antarctic ice stream /‡cMarion Bougamont, Slawek Tulaczyk. 260 ## ‡a[S.l.] :‡b[s.n.],‡c2003. 300 ## ‡ap. 178-190 :‡bill., diags. 500 ## ‡aBoreas. Vol. 32(1) :178-190 (2003). 520 3# ‡aAddresses high rates of sediment generation and transport beneath West Antarctic ice streams. Quantifies effects of till ploughing by basal ice bumps using new time-dependent flow-band numerical model that includes ice and till continuity, ice thermodynamics and mechanical and hydrologic interaction between till layer and ice base. Applies model to Ice Stream C (Kamb Ice Stream) over ca. 8500 model years. Modelled magnitudes and spatial patterns of till transport and sub-till erosion generally agree with existing constraints on modern and palaeo-ice streams of Ross Embayment. For example, erosion rates are higher beneath ice stream tributaries than beneath ice stream trunks. In special issue Palaeo-ice streams. 530 ## ‡aAlso issued online ‡uurn:doi:10.1080/03009480310001092‡uhttps://dx.doi.org/10.1080/03009480310001092 650 07 ‡a551.32 -- Glaciology.‡2udc 650 07 ‡a551.324 -- Land ice.‡2udc 650 07 ‡a551.324.29 -- Land ice, miscellaneous forms: Ice Stream C.‡2udc 650 07 ‡a551.33 -- Glacial geology.‡2udc 650 07 ‡a551.331 -- Glacial erosion.‡2udc 650 07 ‡a551.331.4 -- Glacial erosion, processes.‡2udc 650 07 ‡a551.332 -- Glacial deposition.‡2udc 650 07 ‡a551.332.21 -- Till or boulder clay. Tillite. Glacial diamictites.‡2udc 650 07 ‡a551.332.54 -- Drumlins.‡2udc 650 07 ‡a551.336 -- Ice ages.‡2udc 650 07 ‡a519.673 -- Modelling.‡2udc 650 07 ‡aE7 -- Glaciology: glacial geology and ice ages.‡2local 651 #7 ‡a(*7) -- Antarctic regions.‡2udc 651 #7 ‡a(*7.7) -- West Antarctica.‡2udc 651 #7 ‡a(*767.3) -- Gould Coast.‡2udc 700 1# ‡aTulaczyk, Slawek. 773 0# ‡7nnas ‡tBoreas. ‡gVol. 32(1) (2003) ‡wSPRI-56035 917 ## ‡aUnenhanced record from Muscat, imported 2019 948 3# ‡a20231201