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Annals of Glaciology
Volume 12

Proceedings of the Symposium on Ice Dynamics

held in Hobart, Australia,
14-20 February 1988
Cover: Annals Vol. 12

Editor: N.W. Young

Contents

1-8
Pack-ice drift off East Antarctica and some implications
Ian Allison

9-15
Characteristics of Arctic sea ice from remote-sensing data and their relationship to atmospheric processes
Roger G. Barry, Martin W. Miles, Richard C. Cianflone, G. Scharfen and Russell C. Schnell

16-22
The dynamics of the Antarctic ice sheet
W.F. Budd and D. Jenssen

23-30
Single folds at the margins of dry-based glaciers as indicators of a glacial advance
T.J.H. Chinn

31-36
Two-dimensional thermo-mechanical modelling of flow and depth-age profiles near the ice divide in central Greenland
Dorthe Dahl-Jensen

37-45
The dynamics of Austfonna, Nordaustlandet, Svalbard: surface velocities, mass balance, and subglacial melt water
Julian A. Dowdeswell and David J. Drewry

46-50
Dynamics of the Law Dome ice cap, Antarctica, as found from bore-hole measurements
D.M. Etheridge

51-56
Flow of Rutford Ice Stream and comparison with Carlson Inlet, Antarctica
R.M. Frolich, D.G. Vaughan and C.S.M. Doake

57-69
Modes of operation of thermo-mechanically coupled ice sheets
Richard C.A. Hindmarsh, Geoffrey S. Boulton and Kolumban Hutter

70-73
Some dynamics studies on Urumqi Glacier No. 1, Tianshan Glaciological Station, China
Huang Maohuan, Wang Zhongxiang, Cai Baolin and Han Jiankang

74-80
Calving ice walls
T. Hughes

81-84
Isotropic and anisotropic flow relations for ice dynamics
T.H. Jacka and W.F. Budd

85-88
Sources and movement of icebergs in the south-west Ross Sea, Antarctica
Harry Keys and Dennis Fowler

89-91
Discontinuities in a transverse velocity profile of a valley glacier measured by photogrammetry
W. Kick

92-96
Development of sea ice in the Weddell Sea
M.A. Lange, S.F. Ackley, P. Wadhams, G.S. Dieckmann and H. Eicken

97-103
Numerical models of ice-shelf flow: ideal/real
M.A. Lange and D.R. MacAyeal

104-112
Pack-ice motion in the Weddell Sea in relation to weather systems and determination of a Weddell Sea sea-ice budget
D.W.S. Limbert, S.J. Morrison, C.B. Sear, P. Wadhams and M.A. Rowe

113-117
Short-term interactions between atmospheric synoptic conditions and sea-ice behaviour in the Arctic
James A. Maslanik and Roger G. Barry

118-123
On the underside scarring of floating ice sheets
G.J. Musil

124-126
Distribution of reflected power from the bed by radio echo-sounding in the Shirase Glacier drainage area, east Dronning Maud Land, Antarctica
Hirokazu Ohmae, Fumihiko Nishio and Shinji Mae

127-131
Equilibrium state of Jakobshavns Isbræ, West Greenland
M.S. Pelto, T.J. Hughes and H.H. Brecher

132-137
Model studies on ice-stream surging
U. Radok, B.J. McInnes, D. Jenssen and W.F. Budd

138-144
Interpretation of the temperature profile measured at Vostok, East Antarctica
Catherine Ritz

145-151
Periodic motions in Weddell Sea pack ice
M.A. Rowe, C.B. Sear, S.J. Morrison, P. Wadhams, D.W.S. Limbert and D.R. Crane

152-156
Dynamics of ice-island motion near the coast of Axel Heiberg Island, Canadian High Arctic
W.M. Sackinger, M.O. Jeffries, H. Tippens, F. Li and M. Lu

157-161
Super-critical reflection of ocean waves; a new factor in ice-edge dynamics?
Vernon A. Squire

162-169
Ice-shelf topography and structure determined using satellite-radar altimetry and Landsat imagery
Simon N. Stephenson and H.Jay Zwally

170-177
Computational ice-divide analysis of a cold plane ice sheet under steady conditions
F. Szidarovszky, K. Hutter and S. Yakowitz

178-186
Basin-scale ice motion and deformation in the Weddell Sea during winter
P. Wadhams, C.B. Sear, D.R. Crane, M.A. Rowe, S.J. Morrison and D.W.S. Limbert

187-191
Small-amplitude, short-period variations in the speed of a tide-water glacier in south-central Alaska, U.S.A
Roy A. Walters

192-197
Measured velocities and ice flow in Wilkes Land, Antarctica
N.W. Young, I.D. Goodwin, N.W.J. Hazelton and R.J. Thwaites

198
Abstract
Water-pressure dependence of the velocity of Ice Stream B, Antarctica
R.B. Alley, D.D. Blankenship, S.T. Rooney and Charles R. Bentley

199-200
Abstract
Evolution of Crary Ice Rise, Antarctica
Robert Bindschadler, Bruce Koci and Eric Roberts

200
Abstract
Seismic evidence for a thin basal layer at a second location on Ice Stream B, Antarctica
D.D. Blankenship, S.T. Rooney, R.B. Alley and C.R. Bentley

200-201
Abstract
Derivation of flow-law properties from bore-hole tilt data: discussion of the Dye 3, Camp Century, and Byrd Station bore-hole results
D. Dahl-Jensen and N.S. Gundestrup

201
Abstract
Dynamics of Jakobshavns ice stream, West Greenland
Keith Echelmeyer and Will Harrison

202
Abstract
A numerical model of the Laurentide Ice Sheet
James C. Hall

203
Abstract
First results from automated motion and stream measurements from Fels and Black Rapids Glaciers, Alaska, U.S.A
William D. Harrison, Charles F. Raymond, Matthew Sturm, Keith Echelmeyer and Neil F. Humphrey

204
Abstract
Easy glide in shear bands from a calving ice wall duplicated in laboratory experiments
Terence Hughes and Masayuki Nakagawa

204
Abstract
Recent thinning of the ice sheet near Mizuho Station, East Antarctica
M. Nakawo, S. Fujita, S. Mae, S. Takahashi, O. Watanabe, F. Nishio and F. Okuhira

205
Abstract
Dynamical behaviour of the ice sheet on Mizuho Plateau, East Antarctica
Fumihiko Nishio, Shinji Mae, Hirokazu Ohmae, Masayoshi Nakawo, Shuhei Takahashi and Kunio Kawata

206
Abstract
Icequakes on Ekström Ice Shelf near Atka Bay, Antarctica
H. von der Osten-Woldenburg

206-207
Abstract
Rheology of polar glacier ice.
P. Pimienta and P. Duval

207
Abstract
Surface strain~rates, Byrd Glacier, Antarctica
John P. Scofield, Dean R. Lindstrom and Terence J. Hughes

207-208
Abstract
Electrical resistivity sounding related to ice-crystal size: a technique for probing the Holocene-Wisconsin boundary
Sion Shabtaie and Charles R. Bentley

208
Abstract
Grounding-line retreat of Ice Stream B, Antarctica
Sion Shabtaie, Donald G. Schultz and Charles R. Bentley

209
Abstract
Multi-year sea-ice concentration derived from model simulations and satellite-microwave imagery
John E. Walsh and H.J. Zwally

209
Abstract
Dynamics and variability of perennial Arctic pack ice
H.Jay Zwally and John E. Walsh

210
Abstract
Fabric in ice sheets: development and prediction
R.B. Alley, D.D. Blankenship, Charles R. Bentley and S. Anandakrishnan

210-211
Abstract
The sedimentary signature of deforming glacier beds in the Ross Embayment, Antarctica
R.B. Alley, D.D. Blankenship, S.T. Rooney and C.R. Bentley

211
Abstract
Seasonal changes in iceberg distribution off East Antarctica
Ian Allison and George Musil

212
Abstract
Surge of West Fork Glacier, Alaska, U.S.A.
K. Echelmeyer and W.D. Harrison

212
Abstract
Further studies of the margins of small dry-based glaciers, McMurdo Sound area, Antarctica
T.J.H. Chinn

213
Abstract
Water flow through a glacier situated in an overdeepening: cause or consequence of a till layer at the bed
Roger LeB. Hooke

213
Abstract
Mega-giant iceberg calved from the Ross Ice Shelf, Antarctica
Harry (J.R.) Keys

214
Abstract
Hot-water drilling on Crary Ice Rise, Antarctica
B. Koci and R. Bindschadler

214
Abstract
A phenomenological constitutive equation
R.C. Lile

214-215
Abstract
Relation between water input, basal water pressure, and sliding of Columbia Glacier, Alaska, U.S.A
Mark F. Meier

215-216
Abstract
Observed velocity fluctuations on a major Antarctic ice stream
S. Stephenson and R. Bindschadler

217
Abstract
The underside of Arctic sea ice imaged by sidescan sonar
Peter Wadhams

217
Abstract
Comparison between SPOT and Landsat imagery of Rutford Ice Stream, Antarctica
D.G. Vaughan and C.S.M. Doake

218
Abstract
Surface velocities of Denman Glacier, Antarctica, derived from Landsat imagery
N. Young

219
Abstract
Mass flux and dynamics of Totten Glacier, Antarctica
N. Young, P. Malcolm and P. Mantell

220
Abstract
Velocity and surface-lowering measurements on Law Dome, Antarctica
N. Young, P. Malcolm, P. Mantell and E. McGibbon