Glacial Landscapes 1.2.1-1.2.5
- Created by: savannahj12
- Created on: 20-12-21 19:21
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- GLACIATED LANDSCAPES
- 1.2.1 glacier as a system
- the glacial system
- inputs
- outputs
- stores
- transfers
- change in input/outputsover range of time
- glacial budget
- positive and negative feedback
- the glacial system
- 1.2.2 climate change
- causes in Quaternary ice age
- glacial periods
- interglacial periods
- stadia periods
- thresholds for change
- causes fro changes in glacial budget
- little ice age
- seasonal changes
- causes in Quaternary ice age
- 1.2.3 glacier movement
- cold and warm based glaciers
- locations
- rate of movements
- glacier ice movement
- internal deformation
- basal sliding
- sub-glacial bbed deformation
- surge conditions
- compressional/ extensional flow
- cold and warm based glaciers
- 1.2.4 glacial environments
- types of ice mass
- cirque
- valley glacier
- Piedmont glacier
- highland ice field
- sea ice
- ice sheets
- past distributions of valley glaciers
- present day distribution of ice masses
- valley glaciers
- ice sheets
- types of ice mass
- 1.2.5 processes of weathering/ erosion + landforms
- freeze thaw weathering
- erosional processes
- abrasion
- plucking
- sub-glacial fluvial erosion
- factors affecting erosion
- basal thermal regime
- ice velocity
- ice thickness
- bedrock permeability
- jointing
- characteristicof macro scale erosional landforms
- 1.2.1 glacier as a system
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