ALBERT

Note: Contents: 1 Introduction. - 1.1 The world cold regions. - 1.2 Water in frozen soils. - 1.3 Permafrost. - 1.3.1 Definitions. - 1.3.2. Distribution. - 1.3.3. Factors influencing permafrost occurence. - 1.4 Permafrost and hydrology. - 1.4.1 Permafrost hydrology. - 1.4.2 Hydrologic behavior of seasonal frost and permafrost. - 1.5 Environments of permafrost regions. - 1.5.1 Hydroclimatology. - 1.5.2 Geology. - 1.5.3 Glaciation. - 1.5.4 Physiography. - 1.5.5 Vegetation. - 1.5.6 Peat cover. - 1.6 Presentation of the book. - 2 Moisture and heat. - 2.1 Precipitation. - 2.1.1 General pattern. - 2.1.2 Cyclones. - 2.1.3 Recycling. - 2.1.4 Trace precipitation. - 2.2 Surface energy balance. - 2.3 Evaporation. - 2.3.1 Eddy Fluctuation Method. - 2.3.2 Aerodynamic method. - 2.3.3 Bowen Ratio Method. - 2.3.4 Priestley and Taylor Method. - 2.4 Energy balance of the active layer. - 2.4.1 Energy Balance. - 2.4.2 Thermal conductivity and heat capacity. - 2.5 Ground temperature. - 2.5.1 Penetration of temperature waves. - 2.5.2 Frost table development. - 2.6 Heat and moisture flows in frozen soils. - 2.6.1 Stefan's Algorithm. - 2.6.2 Near-Surface ground temperature. - 2.6.3 Moisture migration and ice lens formation. - 2.7 Ground ice. - 2.7.1 Types of ground ice. - 2.7.2 Excess ice. - 3 Groundwater. - 3.1 Groundwater occurence in permafrost. - 3.1.1 Suprapermafrost groundwater. - 3.1.2 Intrapermafrost groundwater. - 3.1.3 Subpermafrost groundwater. - 3.2 Groundwater recharge and circulation. - 3.2.1 Recharge. - 3.2.2 Groundwater movement. - 3.3 Groundwater discharge. - 3.3.1 Seeps. - 3.3.2 Springs. - 3.3.3 Baseflow. - 3.3.4 Ponds and lakes. - 3.4 Icings. - 3.4.1 Ground and spring icings. - 3.4.2 River icings. - 3.4.3 Icing dimension. - 3.4.4 Icing problems. - 3.5 Domed ice features. - 3.5.1 Frost mounds and icing mounds. - 3.5.2 Pingos. - References. - 4 Snow cover. - 4.1 Snow accumulation. - 4.1.1 Winter precipitation. - 4.1.2 Blowing snow. - 4.1.3 Terrain heterogeneity. - 4.1.4 Vegetation cover. - 4.2 Characteristics of the snow cover. - 4.2.1 Snow temperature and insulation. - 4.2.2 Snow metamorphism. - 4.2.3 Snow stratigraphy. - 4.3 Snowmelt processes. - 4.3.1 Radiation melt. - 4.3.2 Turbulent fluxes melt. - 4.3.3 Other melt terms. - 4.4 Snowmelt in permafrost areas. - 4.4.1 Tundra and Barren areas. - 4.4.2 Dirty snow. - 4.4.3 Shrub fields. - 4.4.4 Forests. - 4.5 Meltwater movement in snow. - 4.5.1 Dry snow. - 4.5.2 Wet snow. - References. - 5 Active layer dynamics. - 5.1 Freeze-back and winter periods. - 5.1.1 Snow cover and ground freezing. - 5.1.2 Moisture flux and ice formation. - 5.1.3 Vapor flux from soil to snow. - 5.2 Snowmelt period. - 5.2.1 Snowmelt and basal ice. - 5.2.2 Infiltration into frozen soil. - 5.2.3 Soil warming. - 5.2.4 Surface saturation, evaporation and runoff. - 5.3 Summer. - 5.3.1 Active layer thaw. - 5.3.2 Summer precipitation. - 5.3.3 Evaporation. - 5.3.4 Rainwater infiltration. - 5.3.5 Soil moisture. - 5.3.6 Groundwater. - References. - 6 Slope processes. - 6.1 Flow paths. - 6.1.1 Flow paths in snow. - 6.1.2 Surface and subsurface flows. - 6.1.3 Flow in bedrock areas. - 6.1.4 Flow in unconsolidated materials. - 6.2 Water sources. - 6.3 Factors influencing slope runoff generation. - 6.3.1 Microclimatic control. - 6.3.2 Topographic influence. - 6.3.3 Importance of the Frost table. - 6.3.4 Roles of organic materials. - 6.3.5 Bedrock control. - 6.4 Basin slopes in permafrost regions. - 6.4.1 High Arctic slopes. - 6.4.2 Low Arctic slopes. - 6.4.3 Subarctic slopes. - 6.4.4 Alpine permafrost zones. - 6.4.5 Precambrian bedrock terrain. - 6.5 Concepts for basin flow generation. - 6.5.1 Variable source area and fill-and-spill concepts. - 6.5.2 Heterogenous slopes. - References. - 7 Cold lakes. - 7.1 Types of lake. - 7.2 Lake ice. - 7.2.1 Lake ice regime. - 7.2.2 Ice formation and growth. - 7.2.3 Ice decay. - 7.3 Lake circulation. - 7.4 Hydrologic inputs. - 7.5 Lake evaporation. - 7.6 Lake outflow. - 7.6.1 Outflow conditions. - 7.6.2 Fill-and-Spill concept and lake outflow. - 7.7 Lake level. - 7.8 Large lakes. - 7.9 Permafrost and lakes. - References. - 8 Northern wetlands. - 8.1 Wetlands in permafrost regions. - 8.2 Factors favoring wetland occurence. - 8.2.1 Climate. - 8.2.2 Topography. - 8.2.3 Stratigraphy. - 8.2.4 Other factors. - 8.3 Hydrogeomorphic features in wetlands. - 8.3.1 Bog-related features. - 8.3.2 Fen-related features. - 8.3.3 Marshes and swamps. - 8.3.4 Shallow water bodies. - 8.4 Hydrologic behavior of wetlands. - 8.4.1 Seasonality of hydrologic activities. - 8.4.2 Wetland storage. - 8.4.3 Flow paths. - 8.4.4 Application of Fill-and-Spill concept. - 8.5 Patchy arctic wetlands. - 8.5.1 Wetlands maintained by snowmelt. - 8.5.2 Groundwater-fed wetlands. - 8.5.3 Valley bottom fens. - 8.5.4 Wetlands due to lateral inundation. - 8.5.5 Tundra ponds. - 8.5.6 Lake-fed and lake-bed wetlands. - 8.6 Extensive wetlands. - 8.6.1 Wet terrain. - 8.6.2 Ice-wedge polygon fields. - 8.6.3 Coastal plains. - 8.6.4 Deltas. - 8.6.5 Subarctic continental wetlands. - 8.7 Wetlands, permafrost and disturbances. - References. - 9 Rivers in cold regions. - 9.1 Drainage patterns. - 9.2 In-valley conditions. - 9.2.1 Geological setting for channels. - 9.2.2 River ice. - 9.2.3 River icing. - 9.2.4 In-channel snow. - 9.2.5 Permafrost. - 9.2.6 Alluvial environment. - 9.3 In-channel hydrology. - 9.3.1 Lateral inflow. - 9.3.2 Channel inflow. - 9.3.3 Vertical water exchanges. - 9.3.4 Storage in channels. - 9.4 Flow connectivity and delivery. - 9.4.1 Flow network integration. - 9.4.2 Decoupling of flow network. - 9.4.3 Flow delivery. - References. - 10 Basin hydrology. - 10.1 Basin outflow generation. - 10.1.1 The roles of snow. - 10.1.2 Meltwater from glaciers. - 10.1.3 Rainfall contribution. - 10.1.4 Groundwater supply. - 10.1.5 Evaporation losses. - 10.1.6 Permafrost effects. - 10.1.7 Consequences of basin storage. - 10.2 Streamflow hydrograph. - 10.3 Streamflow regimes. - 10.3.1 Nival regime. - 10.3.2 Proglacial regime. - 10.3.3 Pluvial regime. - 10.3.4 Spring-fed Regime. - 10.3.5 Prolacustrine regime. - 10.3.6 Wetland regime. - 10.4 Streamflow in large basins. - 10.4.1 Scaling up to large rivers. - 10.4.2 Flow generation in a large basin: the Liard river. - 10.4.3 Regulated discharge of large rivers. - 10.4.4 Flow in a sub-continental scale basin: Mackenzie basin. - 10.5 Basin water balance. - 10.5.1 Considerations in water balance investigation. - 10.5.2 Regional tendencies. - 10.5.3 Examples from permafrost environments. - 10.6 Permafrost basin hydrology: general remarks. - References. - Appendices. - Index.