Periglacial and Paraglacial Processes and Environments (Geological Society Special Publication, 320)

• Publisher:   Geological Society Of London
• Number Of Pages:   280
• Publication Date:   2009-09-15
• ISBN-10 / ASIN:   1862392811
• ISBN-13 / EAN:   9781862392816

Periglacial and paraglacial environments, located outside ice sheet margins but responding to similar climate forcings, are key to identifying climate change effects upon the Earth system. These environments are relicts of cold Earth processes and so are most sensitive to global warming. Changes in the distribution and thickness of permafrost in continental interiors have implications for ecosystem and landscape stability. Periglacial Alpine environments are experiencing increased rockfall and mass movement, leading to rock glacier instability and sediment release to downstream rivers. In turn, these landscape effects impact on natural hazards and human activities in these sensitive and geologically transient environments.

Papers in this volume explore some of these interrelated issues in field studies from Europe, North America and Asia. The volume will be of interest to geomorphologists, modellers, environmental managers, planners and engineers working on landscape, climate and environmental change in periglacial and paraglacial areas.

Contents
KNIGHT, J. & HARRISON, S. Periglacial and paraglacial environments: a view from the past
into the future
1
Periglacial processes and environments
ANDRE´ , M.-F. From climatic to global change geomorphology: contemporary shifts in
periglacial geomorphology
5
NICHOLSON, D. T. Holocene microweathering rates and processes on ice-eroded bedrock,
Røldal area, Hardangervidda, southern Norway
29
SEPPA¨ LA¨, M. & KUJALA, K. The role of buoyancy in palsa formation 51
WALLER, R. I., MURTON, J. B. & KNIGHT, P. G. Basal glacier ice and massive ground
ice: different scientists, same science?
57
SLAYMAKER, O. Proglacial, periglacial or paraglacial? 71
Paraglacial environments and processes in the British Isles
WHALLEY, W. B. On the interpretation of discrete debris accumulations associated with
glaciers with special reference to the British Isles
85
JARMAN, D. Paraglacial rock slope failure as an agent of glacial trough widening 103
WILSON, P. Rockfall talus slopes and associated talus-foot features in the glaciated uplands
of Great Britain and Ireland: periglacial, paraglacial or composite landforms?
133
PASSMORE, D. G. & WADDINGTON, C. Paraglacial adjustment of the fluvial system to
Late Pleistocene deglaciation: the Milfield Basin, northern England
145
KNIGHT, J. The limitations of Quaternary lithostratigraphy: an example from southern Ireland 165
Paraglacial processes, climate change and sediment supply
CURRY, A. M., SANDS, T. B. & PORTER, P. R. Geotechnical controls on a steep lateral
moraine undergoing paraglacial slope adjustment
181
WILKIE, K. & CLAGUE, J. J. Fluvial response to Holocene glacier fluctuations in the
Nostetuko River valley, southern Coast Mountains, British Columbia
199
FRIELE, P. A. & CLAGUE, J. J. Paraglacial geomorphology of Quaternary volcanic
landscapes in the southern Coast Mountains, British Columbia
219
HEWITT, K. Glacially conditioned rock-slope failures and disturbance-regime landscapes,
Upper Indus Basin, northern Pakistan
235
HARRISON, S. Climate sensitivity: implications for the response of geomorphological
systems to future climate change
257
Index 267

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