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Annals of Glaciology
Volume 2

Proceedings of the Symposium on Processes of Glacier Erosion and Sedimentation

held in Geilo, Norway,
25-30 August 1980
Cover: Annals Vol. 2

Editor: G.K.C. Clarke

Contents

1
Symposium on Processes of Glacier Erosion and Sedimentation: opening remarks
L.W. Gold

3-10
The contribution of discontinuous rock-mass failure to glacier erosion
Ken Addison

11-16
Seasonal variation of solute concentration in melt waters draining from an alpine glacier
D.N. Collins

17-22
Subglacial morphology in northern Palmer Land, Antarctic Peninsula
R.D. Crabtree

23-28
Glacial abrasion and sliding: their dependence on the debris concentration in basal ice
Bernard Hallet

29-33
Basal stress concentrations due to abrupt changes in boundary conditions: a cause for high till concentration at the bottom of a glacier
Kolumban Hutter and Vincent O.S. Olunloyo

34-38
Bore-hole video and photographic cameras
R.M. Koerner, D.A. Fisher and M. Parnandi

39-44
Particle size, shape, and load in a cold and a temperate valley glacier
H. Lister

45-51
Forms of glacial relief of Spitsbergen glaciers
Yu Ya Macheret

52-56
Freezing fronts and their possible influence upon processes of subglacial erosion and deposition
John Menzies

57-62
Plucking as an effect of water-pressure variations at the glacier bed
Hans Röthlisberger and Almut Iken

63-66
Basal freezing of squeezed water: its influence on glacier erosion
R.A. Souchez and J.-L. Tison

67
Abstract
Effect of normal pressure on glacier sliding
Roger L. Hooke

68
Abstract
Forms of subglacial erosion on Palaeozoic sedimentary rocks
R.J. Rogerson and R. Kodybka

69-70
Influence of mass balance and run-off on relief-forming activity of mountain glaciers
L.P. Chernova

71-77
Observations on debris in the basal transport zone of Mýrdalsjökull, Iceland
Ole Humlum

78-84
Distinguishing characteristics of diamictons at the margin of the Matanuska Glacier, Alaska
Daniel E. Lawson

85-91
Field experiments to determine the effect of a debris layer on ablation of glacier ice
M. Nakawo and G.J. Young

92-96
Sediment source for melt-water deposits
Fred Pessl Jr. and Jan E. Frederick

97-102
Moraine in-transit as parent material for soil development and the growth of Valdivian rain forest on moving ice: Casa Pangue Glacier, Mount Tronador (lat. 41°10'S), Chile
Jorge Rabassa, Sigfrido Rubulis and Jorge Suarez

103-108
Sediment transport from the glacier zone, central Asia
O.P. Shcheglova and O.P. Chizhov

109-113
The nature and origin of debris layers within Glacier de Tsidjiore Nouve, Valais, Switzerland
R.J. Small and B. Gomez

114
Abstract
Deformation of subglacial sediments and its implications
G.S. Boulton

115
Abstract
Depositional landforming processes at the snouts of five surging glaciers in Vestspitsbergen
D.G. Croot

116
Abstract
Observations of inner moraines near the terminus of McCall Glacier in Arctic Alaska and laboratory experiments on the mechanism of picking up moraines into a glacier body
Gorow Wakahama and Katutosi Tusima

117-122
Processes and models of Antarctic glaciomarine sedimentation
D.J. Drewry and A.P.R. Cooper

123-128
Model for submarine glacial deposition
Olav Orheim and Anders Elverhøi

129-134
A model for sedimentation by tidewater glaciers
Ross D. Powell

135-141
An ice-shelf moraine, George VI Sound, Antarctica
D.E. Sugden and C.M. Clapperton

142
Abstract
Glaciomarine sediments and suspended particulate matter, Weddell Sea, Antarctica
Anders Elverhøi and Elen Roaldset

143-146
Some aspects of glacial erosion and deposition in north Germany
Jürgen Ehlers

147-152
Importance of the regelation process to certain properties of basal tills deposited by the Laurentide ice sheet in Iowa and Illinois, U.S.A.
T.J. Kemmis

153-158
Erosion rate of a Younger Dryas cirque glacier at Kråkenes, western Norway
E. Larsen and J. Mangerud

159-163
Rock jointing and abrasion forms on roches moutonnées, SW Finland
Jukka Rastas and Matti Seppälä

164-169
Glacier erosion and sedimentation in the volcanic regions of Kamchatka
V.N. Vinogradov

170-175
Bedrock weathering features in a portion of eastern High Arctic Canada: their nature and significance
Stephen Watts

176-182
The Tiskilwa Till, a regional view of its origin and depositional processes
Susan Specht Wickham and W.Hilton Johnson

183
Abstract
"Stagnant-ice" topography and its relation to drumlin genesis, with reference to south-central Ulster
G.F. Dardis

185-186
Abstract
Possible mechanism for the rapid advance and retreat of the Lake Michigan lobe between 13 000 and 11 000 years BP
D.M. Mickelson, L.J. Acomb and C.R. Bentley

187-192
General discussion
B. Hallet