Peter Knight1-4051-0018-4, 978-1-4051-0018-2
Table of contents :
Glacier science and environmental change……Page 5
Contents……Page 7
List of contributors……Page 13
1 Glacier science and environmental change: introduction……Page 17
Part 1 Glaciers and their coupling with hydraulic and sedimentary processes……Page 18
2 Keynote introduction: Glaciers and their coupling with hydraulic and sedimentary processes……Page 19
3 Haut Glacier d’Arolla, Switzerland: hydrological controls on basal sediment evacuation and glacial erosion……Page 39
4 A glimpse at meltwater effects associated with continental ice sheets……Page 41
5 The erosional origin of hummocky terrain, Alberta, Canada……Page 49
6 Tunnel channel character and evolution in central southern Ontario……Page 53
7 Glacial bedforms and the role of subglacial meltwater: Annandale, southern Scotland……Page 55
8 Subglacial megafloods: outrageous hypothesis or just outrageous?……Page 58
Reply to Benn and Evans……Page 62
9 Groundwater under ice sheets and glaciers……Page 66
10 Groundwater flow under the margin of the last Scandinavian ice sheet around the Eckernförde Bay, northwest Germany……Page 76
11 Simulation of groundwater flow and subglacial hydrology, Late Pleistocene Lake Michigan Lobe, Laurentide Ice Sheet……Page 79
12 Modelling impact of glacier–permafrost interaction on subglacial water flow……Page 83
13 Pleistocene hydrogeology of the Atlantic continental shelf, New England……Page 84
14 Glacial chemical weathering, runoff composition and solute fluxes……Page 87
15 Solute enhancement in the proglacial zone……Page 91
16 Impact of mineral surface area on solute fluxes at Bench Glacier, Alaska……Page 95
17 Phosphorus in glacial meltwaters……Page 97
18 Glacial landsystems……Page 99
19 The subpolar glacier landsystem of the Canadian High Arctic……Page 105
20 Plateau icefield landsystem……Page 107
Part 2 Glaciers, oceans, atmosphere and climate……Page 111
21 Keynote introduction: Glaciers, oceans, atmosphere and climate……Page 112
22 A multidisciplined approach to the reconstruction of the Late Weichselian deglaciation of Iceland……Page 130
23 The cryosphere and climate change: perspectives on the Arctic’s shrinking sea-ice cover……Page 136
24 The interaction of glaciers and oceans in the context of changing climate……Page 142
25 Northern Hemisphere glaciers responding to climate warming by increasing their sensitivity and their contribution to sea-level rise……Page 149
26 Influence of ice streaming on the ocean–climate system: examining the impact of the M’Clintock Channel Ice Stream, Canadian Arctic Archipelago……Page 151
27 Influence of ocean warming on glaciers and ice streams……Page 152
28 Glacial runoff from North America and its possible impact on oceans and climate……Page 154
29 Impacts of climatic trends upon groundwater resources, aquifer–stream interactions and aquatic habitat in glacierized watersheds, Yukon Territory, Canada……Page 167
30 Ice sheets and marine sedimentation on high-latitude continental margins……Page 169
31 Seismic geomorphology and Pleistocene ice limits off northwest Britain……Page 176
32 Modelling glacier response to climate change……Page 179
33 Energy and mass fluxes over dry snow surfaces……Page 190
34 Energy fluxes over Morteratschgletscher……Page 192
35 The environmental significance of deuterium excess in meteoric and non-meteoric Antarctic ice……Page 195
36 Deuterium excess in Antarctica: a review……Page 200
Part 3 Changing glaciers and their role in earth surface evolution……Page 203
37 Keynote introduction: Changing glaciers and their role in earth surface evolution……Page 204
38 Reconstruction of paleo-ice sheets—inversion of their glacial geomorphological record……Page 208
39 Reconstructing the pattern and style of deglaciation of Kola Peninsula, northeastern Fennoscandian Ice Sheet……Page 215
40 The Laurentide Ice Sheet: a review of history and processes……Page 217
41 What can the ‘footprint’ of a palaeo-ice stream tell us? Interpreting the bed of the Dubawnt Lake Ice Stream, Northern Keewatin, Canada……Page 224
42 The Antarctic Ice Sheet……Page 225
43 Antarctic Ice Sheet reconstruction using cosmic-ray-produced nuclides……Page 237
44 Current status and recent changes of the Greenland Ice Sheet……Page 240
45 The impact of ice-sheet fluctuations and isostasy on sea-level change around Greenland……Page 244
46 The response of glaciers in South America to environmental change……Page 247
47 Glacier mass-balance data for southern South America (30°S–56°S)……Page 255
48 Quantifying the significance of recent glacier recession in the Cordillera Blanca, Perú: a case study of hydrological impact and climatic control……Page 258
49 Glacier variations in central Chile (32°S–41°S)……Page 262
50 Palaeoglaciology of the last British–Irish ice sheet: challenges and some recent developments……Page 264
51 A regional glacial readvance in Ireland: self-promulgating theory, or science-based reality?……Page 280
52 Average glacial conditions and the landscape of Snowdonia……Page 282
53 Mountain glaciers……Page 284
54 The Little Ice Age glacial record at Franz Josef Glacier, New Zealand……Page 288
55 Changing glaciers in High Asia……Page 291
Part 4 Glacier composition, mechanics and dynamics……Page 299
56 Keynote introduction: Glacier composition, mechanics and dynamics……Page 300
57 Manifestations of ice microphysical processes at the scale of whole ice sheets……Page 306
58 Ice flow at low deviatoric stress: Siple Dome,West Antarctica……Page 316
59 Physical deformation modes of ice in glaciers and ice sheets……Page 319
60 Superplastic flow of ice relevant to glacier and ice-sheet mechanics……Page 324
61 Anisotropy and flow of ice……Page 331
62 Ductile crevassing……Page 333
63 Environmental conditions, ice facies and glacier behaviour……Page 335
64 The behaviour of glaciers on frozen beds: modern and Pleistocene examples……Page 342
65 Mechanical behaviour and structure of the debris-rich basal ice layer……Page 345
66 High-resolution time series of basal motion at an Arctic glacier margin……Page 351
67 On the relationships between field data and numerical models of ice-mass motion……Page 354
68 Measurements and modelling of diurnal flow variations in a temperate valley glacier……Page 361
69 Using field data to constrain ice-flow models: a study of a small alpine glacier……Page 364
70 Fast glacier flow and ice streaming……Page 369
71 Regional basal-thermal budget: implications for ice streaming along the Siple Coast,West Antarctica……Page 376
Part 5 The practice of glaciology……Page 379
72 Keynote introduction: The practice of glaciology……Page 380
73 Remote sensing in glaciology……Page 386
74 Interferometric synthetic aperture radar (InSAR) study of the northeast Greenland Ice Stream……Page 399
75 An overview of subglacial bedforms in Ireland, mapped from digital elevation data……Page 400
76 Borehole-based subglacial instrumentation……Page 403
77 Instrumenting thick, active, clast-rich till……Page 410
78 Ice-core chronology……Page 412
79 The 420,000-yr climate record from the Vostok ice core……Page 419
80 Numerical modelling of polar ice sheets through time……Page 422
81 Ice-flow models……Page 429
82 Estimating basal properties of glaciers from surface measurements……Page 431
83 Measuring and modelling the mass balance of glaciers for global change……Page 434
84 Integrated perception of glacier changes: a challenge of historical dimensions……Page 439
85 The Global Land-ice Measurements from Space (GLIMS) project……Page 446
86 Historical glacier fluctuations……Page 448
87 Interpreting glacial sediments……Page 450
88 Moraine sediment characteristics as indicators of former basal ice layers……Page 455
89 Using cosmogenic isotopes to interpret the landscape record of glaciation: nunataks in Newfoundland?……Page 458
90 Characteristic cosmogenic nuclide concentrations in relict surfaces of formerly glaciated regions……Page 463
91 Laboratory experiments in glaciology……Page 465
92 Laboratory observations of ice formation and debris entrainment by freezing turbid supercooled water……Page 472
References……Page 475
Index……Page 533
Colour Plate Section……Page 545
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