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Annals of Glaciology
Volume 20

Proceedings of the Fifth International Symposium on Antarctic Glaciology (VISAG)

held in Cambridge, U.K.,
5-11 September 1993
Cover: Annals Vol. 20

Editor: E.M. Morris

Contents

1-5
Spectral bi-directional reflectance of snow and glacier ice measured in Dronning Maud Land, Antarctica
Jan-Gunnar Winther

6-12
Changes and surface features of the Larsen Ice Shelf, Antarctica, derived from Landsat and Kosmos mosaics
Pedro Skvarca

13-18
The steady-state crystal size of deforming ice
T.H. Jacka and Li Jun

19-25
Temporal variations of microwave brightness temperatures over Antarctica
I. Sherjal and M. Fily

26-32
Recent elevation increase on Lambert Glacier, Antarctica, from orbit cross-over analysis of satellite-radar altimetry
Craig S. Lingle, Li-her Lee, H. Jay Zwally and Tim C. Seiss

33-38
Depositional environment of the snow cover on West Antarctic pack-ice floes
M.O. Jeffries, A.L. Veazey, K. Morris and H.R. Krouse

39-42
Studies of the grounding-line location on Ice Streams D and E, Antarctica
Robert W. Jacobel, Audrey E. Robinson and Robert A. Bindschadler

43-47
Recent advance of the grounding line of Lambert Glacier, Antarctica, deduced from satellite-radar altimetry
Ute C. Herzfeld, Craig S. Lingle and Li-her Lee

48-54
A digital elevation model of the Antarctic ice sheet derived from ERS-1 altimeter data and comparison with terrestrial measurements
Jonathan L. Bamber

55-60
Morphology and late Cenozoic (<5 Ma) glacial history of the area between David and Mawson Glaciers, Victoria Land, Antarctica
Anja L.L.M. Verbers and Volkmar Damm

61-66
Small-scale variability of physical properties and structural characteristics of Antarctic fast ice

A.L. Veazey, M.O. Jeffries and K. Morris

67-72
A two-dimensional finite-element study of flow in the transition zone between an ice sheet and an ice shelf
Renaud Lestringant

73-79
Studies on microparticles contained in medium-depth ice cores retrieved from east Dronning Maud Land, Antarctica
Akira Higashi and Yoshiyuki Fujii

80-86
Causes and nature of ice-sheet radio-echo internal reflections estimated from the dielectric properties of ice
Shuji Fujita and Shinji Mae

87-94
An empirical relation between overburden pressure and firn density
Takao Kameda, Hitoshi Shoji, Kunio Kawada, Okitsugu Watanabe and Henrik B. Clausen

95-100
Characteristics of bubble volumes in firn-ice transition layers of ice cores from polar ice sheets
Takao Kameda and Renji Naruse

101-109
Velocities of the Smith Glacier ice tongue and Dotson Ice Shelf, Walgreen Coast, Marie Byrd Land, West Antarctica
B.K. Lucchitta, K.F. Mullins, C.E. Smith and J.G. Ferrigno

110-114
First access to the ocean beneath Ekströmisen, Antarctica, by means of hot-water drilling
U. Nixdorf, H. Oerter and H. Miller

115-120
Electrical conductivity method (ECM) stratigraphic dating of the Byrd Station ice core, Antarctica
C.U. Hammer, H.B. Clausen and C.C. Langway, Jr.

121-128
Snow-accumulation rates and isotopic content (2H, 3H) of near-surface firn from the Filchner-Ronne Ice Shelf, Antarctica
W. Graf, H. Moser, O. Reinwarth, J. Kipfstuhl, H. Oerter, A. Minikin and D. Wagenbach

129-136
Electrical resistivity measurements on Ice Stream B, Antarctica
S. Shabtaie and C.R. Bentley

137-142
Analysis of satellite radar-altimeter return wave forms over the East Antarctic ice sheet
D. Yi and C.R. Bentley

143-147
Effects of temperature and pressure on the transformation rate from air bubbles to air-hydrate crystals in ice sheets
Tsutomu Uchida, Takeo Hondoh, Shinji Mae, Paul Duval and Volodya Ya Lipenkov

148-152
Ice thickness, bed topography and basal-reflection strengths from radar sounding, Upstream B, West Antarctica
A.N. Novick, C.R. Bentley and N. Lord

153-159
High-resolution radar on Ice Stream B2, Antarctica: measurements of electromagnetic wave speed in firn and strain history from buried crevasses
T.S. Clarke and C.R. Bentley

160-168
Local climate, circulation and surface-energy balance of an Antarctic blue-ice area
R. Bintanja and M.R. van den Broeke

169-176
c axes from radar depolarization experiments at Upstream B Camp, Antarctica, in 1991-92
C. Liu, C.R. Bentley and N.E. Lord

177-182
Indication of a dilatant bed near Downstream B Camp, Ice Stream B, Antarctica
S.R. Atre and C.R. Bentley

183-186
Ice Stream C, Antarctica, sticky spots detected by microearthquake monitoring
S. Anandakrishnan and R.B. Alley

187-194
A water-piracy hypothesis for the stagnation of Ice Stream C, Antarctica
R.B. Alley, S. Anandakrishnan, C.R. Bentley and N. Lord

195-201
Seasonal changes of sea-ice characteristics off East Antarctica
Ian Allison and Anthony Worby

202-206
Accumulation variation in eastern Kemp Land, Antarctica
Ian D. Goodwin, Martin Higham, Ian Allison and Ren Jiawen

207-214
Vostok (Antarctica) climate record time-scale deduced from the analysis of a borehole- temperature profile
A.N. Salamatin, V.Ya Lipenkov and K.V. Blinov

215-218
Recent survey of brine infiltration in McMurdo Ice Shelf, Antarctica
D.L. Morse and E.D. Waddington

219-225
Spatial variations of local climate at Taylor Dome, Antarctica: implications for paleoclimate from ice cores
E.D. Waddington and D.L. Morse

226-230
Seasonal variations of major ionic concentration levels in drifting-snow samples obtained from east Dronning Maud Land, East Antarctica
Kazuo Osada

231-236
Post-drilling recrystallization of the Byrd Station deep ice core and its relevance to current and future deep-core drilling on polar ice sheets
A.J. Gow

237-241
An 80 year record of retreat of the Koettlitz Ice Tongue, McMurdo Sound, Antarctica
Anthony J. Gow and John W. Govoni

242-248
Surface mass balance in east Dronning Maud Land, Antarctica, observed by Japanese Antarctic Research Expeditions
Shuhei Takahashi, Yutaka Ageta, Yoshiyuki Fujii and Okitsugu Watanabe

249-253
Decay of surface topography on the Ross Ice Shelf, Antarctica
Gino Casassa and Ian M. Whillans

254-262
Evaluation of strain rates on Ice Stream B, Antarctica, obtained using GPS phase measurements
Christina L. Hulbe and Ian M. Whillans

263-268
A method for determining ice-thickness change at remote locations using GPS
Christina L. Hulbe and Ian M. Whillans

269-276
Glacier disequilibrium in the Convoy Range, Transantarctic Mountains, Antarctica
T.J. Chinn

277-282
Simulations of anisotropy and fabric development in polar ices
O. Castelnau and P. Duval

283-290
Spatial and seasonal variations of the snow chemistry at the central Filchner-Ronne Ice Shelf, Antarctica
Andreas Minikin, Dietmar Wagenbach, Wolfgang Graf and Josef Kipfstuhl

291-297
Modelling the Antarctic ice-sheet changes through time
W.F. Budd, D. Jenssen, E. Mavrakis and B. Coutts

298-306
Temperature structure and characteristics appearing on SSM/I images of the Cosmonaut Sea, Antarctica
Takatoshi Takizawa, Kay I. Ohshima, Shuki Ushio, Toshiyuki Kawamura and Hiroyuki Enomoto

307-312
Reconnaissance of chemical and isotopic firn properties on top of Berkner Island, Antarctica
D. Wagenbach, W. Graf, A. Minikin, U. Trefzer, J. Kipfstuhl, H. Oerter and N. Blindow

313-318
Development of enhanced ice flow at the southern margin of Ice Stream D, Antarctica
Ted A. Scambos, Keith A. Echelmeyer, Mark A. Fahnestock and Robert A. Bindschadler

319-326
Surface-velocity field of the northern Larsen Ice Shelf, Antarctica
R.A. Bindschadler, M.A. Fahnestock, P. Skvarca and T.A. Scambos

327-335
Detailed elevation map of Ice Stream C, Antarctica, using satellite imagery and airborne radar
R.A. Bindschadler and P.L. Vornberger

336-340
Formation and disintegration of the Antarctic ice sheet
Philippe Huybrechts

341-346
A numerical model of blowing snow around an Antarctic building
I. Moore, S.D. Mobbs, D.B. Ingham and J.C. King

347-352
Validating and improving elevation data of a satellite-image map of Filchner-Ronne Ice Shelf, Antarctica, with results from ERS-1
J. Sievers, C.S.M. Doake, J. Ihde, D.R. Mantripp, V.S. Pozdeev, B. Ritter, H.W. Schenke, F. Thyssen and D.G. Vaughan

353-356
Sea-bed depths at the mouth of Rutford Ice Stream, Antarctica
A.M. Smith and C.S.M. Doake

357-364
A comparison of satellite-altimetry and ice-thickness measurements of the Ross Ice Shelf, Antarctica
Jonathan L. Bamber and Charles R. Bentley

365-371
The central part of the Filchner-Ronne Ice Shelf, Antarctica: internal structures revealed by 40 MHz monopulse RES
N. Blindow

372-376
Investigating tidal flexure on an ice shelf using kinematic GPS
David G. Vaughan

377-385
Temperature investigation and modeling on the Filchner-Ronne Ice Shelf, Antarctica
K. Grosfeld and F. Thyssen

386-390
The oceanic environment beneath the northwest Ronne Ice Shelf, Antarctica
Allan Robinson, Keith Makinson and Keith Nicholls

391-396
Numerical flow simulation at local parts of Filchner-Ronne Ice Shelf, Antarctica
M. Jonas, K. Grosfeld and F. Thyssen

397-400
20th century behaviour of Drygalski Ice Tongue, Ross Sea, Antarctica
M. Frezzotti and M.C.G. Mabin

401-406
Flow regime of the Lambert Glacier-Amery Ice Shelf system, Antarctica: structural evidence from Landsat imagery
Michael J. Hambrey and Julian A. Dowdeswell

407-412
Landsat TM image maps of the Shirase and Siple Coast ice streams, West Antarctica
Jane G. Ferrigno, Jerry L. Mullins, Jo Anne Stapleton, Robert A. Bindschadler, Ted A. Scambos, Lynda B. Bellisime, Jo-Ann Bowell and Alex V. Acosta

413-419
Melting and freezing beneath ice shelves: implications from a three-dimensional ocean-circulation model
J. Determann and R. Gerdes

420-426
Climate since AD 1510 on Dyer Plateau, Antarctic Peninsula: evidence for recent climate change
L.G. Thompson, D.A. Peel, E. Mosley-Thompson, R. Mulvaney, J. Dai, P.N. Lin, M.E. Davis and C.F. Raymond

427-436
Holocene temperature variations inferred from six Antarctic ice cores
P. Ciais, J. Jouzel, J.R. Petit, V. Lipenkov and J.W.C. White

437-439
Ice sheets and continental drift
Garth W. Paltridge

440-447
Spatial variability of the major chemistry of the Antarctic ice sheet
R. Mulvaney and E.W. Wolff