Cryospheric Systems: Glaciers And Permafrost (Geological by C. Harris, J. B. Murton

By C. Harris, J. B. Murton

The creation of the time period periglacial by means of Lozinski in 1909 to explain the cold-climate stipulations within the sector adjoining to, yet past, the Pleistocene glaciers inspired the separate improvement of geocryological and glaciological study. Geological and geomorphological tactics on the interface among glaciers and permafrost have, for that reason, been given much less awareness than they warrant, and the impact of 1 at the different has in lots of respects been overlooked. This ebook features a selection of papers that emphasize glacier-permafrost interactions. Papers examine permafrost and its impact on glacitectonic procedures, glacial meltwater platforms and ground-ice improvement in proglacial and ice-marginal environments. additionally, contemporary learn findings are suggested on paraglacial approaches, permafrost evolution, rock glaciers, the formation of ice-wedge casts and periglacial slope evolution. it's was hoping that this e-book will stimulate curiosity within the interface among glacial and periglacial structures, and inspire additional collaborative examine regarding glaciologists and glacial geologists at the one hand, and geocryologists and permafrost scientists at the other.Also on hand: Glacier-Influenced Sedimentation on High-Latitude Continental Margins - ISBN 1862391203 float Exploration in Glaciated Terrain - ISBN 1862390827 The Geology of Svalbard - ISBN 1897799934

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BOULTON, G. & HARTIKAINEN, J. 2003. Thermohydro-mechanical impacts of coupling between glaciers and permafrost. In: GeoProc, Stockholm, 283 -288. BOULTON, G. S. & PAYNE, T. 1994. Mid-latitude ice sheets through the last glacial cycle: glaciological and geological reconstructions. NATO ASI Series, 122, 177-212. , HAMZA, O. & HARRIS, C. 2001. The effect of rise in mean annual air temperature on the stability of rock slopes containing ice-filled discontinuities. Permafrost and Periglacial Processes, 12, 137-144.

2003; Popovnin et al. 2003). The avalanche starting zone as depicted in Fig. 1. A rough estimation of the volume of steeply inclined metamorphic rock layers detached in the slide is some 4 million m 3, with failure extending to a depth of about 40m. A similar thickness/volume of snow, firn and glacier ice was also entrained in the slide. The primary cause of the instability must therefore have been within bedrock rather than surface ice. In view of the fact that bedrock stability in cold mountain areas can be especially low in warm or degrading permafrost (Davies et al.

SVENDSEN, J. I. & MAN~ERtJD, J. 1997. Holocene glacial and climate variations on Spitsbergen, Svalbard. The Holocene, 7(1), 45-57. SVENDSEN, J. , MANGERUD, J. • MILLER, G. H. 1989. Denudation rates in the Arctic estimated from lake sediments on Spitsbergen, Svalbard. Palaeogeography, Palaeoclimatology, Palaeoecology, 76(1-2), 153-168. TSVTOVICH, N. A. 1975. The Mechanics of Frozen Ground, McGraw-Hill, Washington, DC. , ODECXRI~, R. & SOLLID, J. L. 1995. Subglacial drainage and sediment evacuation at Erikbreen, northern Spitsbergen.

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