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Journal of Glaciology, Volume 23 (1979)

Journal of Glaciology

Volume 23 (1979)

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[No. 89]

[Volume 22] [Journal Index] [Volume 24]

Old style Journal cover (No. 103)


Vol. 23 1979 No. 89

Contents

3
Preface
International Glaciological Society (IGS)

15-38
Processes of glacier erosion on different substrata
G.S. Boulton

39-50
A theoretical model of glacial abrasion
Bernard Hallet

51-56
Simulated glacial abrasion
W.H. Mathews

57-66
The spectral power density and shadowing function of a glacial microrelief at the decimetre scale
J.-P. Benoist

67-95
Local friction laws for glaciers: a critical review and new openings
L. Lliboutry

97-115
The unsolved general glacier sliding problem
J. Weertman

117-129
The flow of ice, treated as a Newtonian viscous liquid, around a cylindrical obstacle near the bed of a glacier
E.M. Morris

131-141
A mathematical approach to the theory of glacier sliding
A.C. Fowler

143-156
Simulated glacier sliding over an obstacle
R. Brepson

157-170
Empirical studies of ice sliding
W.F. Budd, P.L. Keage and N.A. Blundy

171-184
Seismic evidence for discrete glacier motion at the rock-ice interface
Craig S. Weaver and Stephen D. Malone

185-192
On the origin of stratified debris in ice cores from the bottom of the Antarctic ice sheet
A.J. Gow, S. Epstein and W. Sheehy

193-207
The debris-laden ice at the bottom of the Greenland ice sheet
Susan Herron and Chester C. Langway, Jr.

209-222
Discontinuous flow, ice texture, and dirt content in the basal layers of the Devon Island ice cap
R.M. Koerner and D.A. Fisher

223-232
Depolarization of radio waves can distinguish between floating and grounded ice sheets
A.H.W. Woodruff and C.S.M. Doake

233-246
Energy dissipation during subglacial abrasion at Nisqually Glacier, Washington, U.S.A
Richard C. Metcalf

247-257
Sediment concentration in melt waters as an indicator of erosion processes beneath an Alpine glacier
David N. Collins

259-271
Pressure-melting effects in basal ice of temperate glaciers: laboratory studies and field observations under Glacier d'Argentiére
D.J. Goodman, G.C.P. King, D.H.M. Millar and G. de Q. Robin

273-281
Observations within cavities at the bed of the glacier Østerdalsisen, Norway
Wilfred H. Theakstone

283-295
A sequence of glacial deformation, erosion, and deposition at the ice-rock interface during the last glaciation: Cranbrook, British Columbia, Canada
B.E. Broster, A. Dreimanis and J.C. White

297-307
Giant grooves made by concentrated basal ice streams
R.P. Goldthwait

309-319
Direct measurement of basal water pressures: progress and problems
Steven M. Hodge

321-334
Subglacial regelation water film
Bernard Hallet

335-346
Geometry of former subglacial water channels and cavities
Joseph Walder and Bernard Hallet

347-362
Quantitative determination of the subglacial hydrology of two Alpine glaciers
David N. Collins

363-379
Subglacial constructions and investigations at Bondhusbreen, Norway
B. Wold and G. Østrem

381-400
General discussion. Symposium on Glacier Beds: the Ice-Rock Interface
International Glaciological Society

401-402
Abstract
Erosion by continental ice sheets
I.M. Whillans

402
Abstract
Plough marks in the Weddell Sea
Olav Orheim

402-404
Abstract
Ice-sheet erosion — a result of maximum conditions?
D.E. Sugden

404
Abstract
Characterizing the glacier bed using a radio-echo technique
C.S.M. Doake

405-406
Abstract
Estimation of basal heat flux over ice-covered areas from radio echo-sounding
David J. Drewry

406-407
Abstract
Observation of basal sliding of Variegated Glacier, Alaska
H. Engelhardt, B. Kamb, C.F. Raymond and W.D. Harrison

407-408
Abstract
Basal sliding and bed separation: is there a connection?
Robert Bindschadler

408
Abstract
Variations in time and space of the velocity of lower Columbia Glacier, Alaska
Mark F. Meier

409
Abstract
Observations of glacier seismicity on Unteraargletscher
N. Deichmann, J. Ansorge and H. Röthlisberger

410
Abstract
Water movement at the base of ice sheets
I.M. Whillans

411
Abstract
Ice at melting point sliding over a pebble slab — a film
W.F. Budd and N.A. Blundy

413
Abstract
Subglacial, englacial, and supraglacial sediment differentiation and erosion in glacial basins
R.J. Rogerson and N. Eyles

413-414
Abstract
The nature of the ice-rock interface: the results of investigation on
20 000 m
2 of the rock bed of temperate glaciers
Robert Vivian

414-416
Abstract
Marks and forms on glacier beds: formation and classification
Camille Laverdiére, Pierre Guimont and Michelle Pharand

416-419
Abstract
The ice-rock interface and basal sliding process as revealed by direct observation in bore holes and tunnels
B. Kamb, H.F. Engelhardt and W.D. Harrison

420-421
Abstract
Derivation of ice sliding properties from the numerical modelling of surging ice masses
W.F. Budd, B.J. McInnes and I. Smith

421-422
Abstract
Pressure-melting within the basal ice of an Alpine glacier indicated by the chemical composition of regelation ice
R. Souchez, M. Lemmens, R. Lorrain and J.-L. Tison

422-423
Abstract
Importance of plastic deformation in regelation of ice
K. Tusima and S. Tozuka

423-424
Abstract
Glacier-bed landforms of the Prairie region of North America
S.R. Moran, Lee Clayton, Roger LeB. Hooke, M.M. Fenton and
L.D. Andriashek

424-425
Abstract
Erosion of grooves by subglacial melt-water streams
I.M. Whillans

425-428
Abstract
The ice-rock interface for the CLIMAP 18 000 years B.P. and 120 000 years B.P. experiments
T.J. Hughes

429-430
Abstract
Piezometric observations of water pressure at the bed of Swiss glaciers
H. Röthlisberger, A. Iken and U. Spring

430-432
Abstract
The uplift of Unteraagletscher at the beginning of the melt season — a consequence of water storage at the bed?
A. Iken, A. Flotron, W. Haeberli and H. Röthlisberger

432-433
Abstract
Transient water flow in subglacial channels
William St. Lawrence and Anthony Qamar

434
Abstract
Englacial and subglacial hydrology, Austre Okstindbreen, Norway
W.H. Theakstone and N. Tvis Knudsen

435-436
Abstract
The origin of drumlins as an ice-rock interface problem
S. Baranowski

437
Abstract
Interdependence between glacier erosion and geological features
M. Arenillas, E.Martínez de Pisón and A. Samartin

437-438
Abstract
Characteristics and origins of the debris and ice, Matanuska Glacier, Alaska
D.E. Lawson

439
Abstract
Glacial-bed types and their radar-reflection characteristics
R. Reynolds and Ian M. Whillans