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 area adjoining to, yet past, the Pleistocene glaciers inspired the separate improvement of geocryological and glaciological examine. Geological and geomorphological strategies on the interface among glaciers and permafrost have, for this reason, been given much less consciousness than they warrant, and the impression of 1 at the different has in lots of respects been missed. This booklet encompasses a choice of papers that emphasize glacier-permafrost interactions. Papers think about permafrost and its impression on glacitectonic procedures, glacial meltwater platforms and ground-ice improvement in proglacial and ice-marginal environments. additionally, fresh learn findings are pronounced on paraglacial approaches, permafrost evolution, rock glaciers, the formation of ice-wedge casts and periglacial slope evolution. it's was hoping that this booklet will stimulate curiosity within the interface among glacial and periglacial platforms, and inspire additional collaborative learn related to 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 flow Exploration in Glaciated Terrain - ISBN 1862390827 The Geology of Svalbard - ISBN 1897799934

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Additional info for Cryospheric Systems: Glaciers And Permafrost (Geological Society Special Publication No. 242)

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ANDERSSON, C. & MATTHEWS, J. A. 2000. The lacustrine sedimentary sequence in Sygneskardvatnet, western Norway: A continuous, high-resolution record of the Jostedalsbreen ice cap during the Holocene. Quaternary Science Reviews, 19, 1047-1065. , MATTHEWS, J. , DAHL, S. , BERRISFORD, M. S. & ANDERSSON, C. 2001. Holocene glacier fluctuations and winter precipitation changes in the Jostedalsbreen region, western Norway: Evidence from pro-glacial lacustrine sediment records. The Holocene, 11, 267-280.

A polythermal structure is likely to have existed in the hanging glaciers, at least in the lower parts of the wall (cf. Haeberli et al. 1997). The detachment zone at Dzhimaraikhokh had therefore probably been in a complex condition of relatively cold/thick permafrost combined with warm if not unfrozen parts with meltwater flow in very steeply inclined materials with heterogenous permeability. This situation favoured high and locally variable water pressures and was further complicated by the fact that hot springs are known to occur in this volcanic region of the Kazbek massif.

2003). Hanging glaciers with relatively warm firn surfaces can induce deep thermal anomalies in perennially frozen rock walls (Haeberli et aL 1997) and can be related to major ice/rockfall events such as the recent catastrophe in the Caucasus (Haeberli et al. 2003). The extreme heat during summer 2003 in central Europe may have induced corresponding long-term thermal effects on the highest glacier-clad summits of the Alps. Such thermal disturbances combined with unloading of slopes due to vanishing glaciers may greatly influence the scaling of paraglacial mass exhaustion processes (Ballantyne 2003).

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