Unit 4: Weathering and Erosion
Chapters 14, 15, 16, 17, and 18
Chapter 14: Weathering & Erosion
Weathering
Mechanical Weathering
Ice Wedging
Abrasion
Organic Activity
Chemical Weathering
Oxidation
Hydrolysis
Carbonation
Organic Acids
Acid Precipitation
Differential Weathering
Rock Composition
Amount of Exposure
Climate
Human Activities
Soil
Regolith
Bedrock
Characteristics of Soil
Soil Profile
Horizon
Humus
Notes
Name___________________
Tropical Soils
Temperate Soils
Desert & Arctic Soils
Soil & Topography
Erosion
Results of Erosion
3 major landforms shaped by erosion
Chapter 15: River Systems
Water Cycle
Evapotranspiration
Condensation
Precipitation
Percolation
Water Budget
Factors that Affect the Water Budget
Desalination
Why it is not practical
Parts of a River Systems
Tributary
Watershed
Divide
Channel
Bank
Bed
Channel Erosion
Stream Load
3 types of stream load
1.
2.
3.
Stream Discharge
Stream Gradient
Evolution of River Channels
Meander
Oxbow Lake
Braided Stream
Delta
Alluvial Fan
Flood Plain
Natural Levee
Dams and Artificial Levees
Life Cycle of Lakes
___________ lived in geologic terms.
Lakes disappear because
1.
2.
Chapter 16: Groundwater
Groundwater
Aquifer
The ease with which water flows through an aquifer is affected by:
Porosity
Permeability
Zones of Aquifers
Zone of Saturation
Water Table
Zone of Aeration
Movement of Groundwater depends on
1.
2.
Depth of the water table depends on
1.
2.
3.
Recharge zone
Why is pollution in a recharge zone a problem?
Well
Spring
Artesian Formation
Hot Springs
Geysers
Groundwater and Chemical Weathering
Hard water
Soft water
Cavern
Stalactite
Stalagmite
Sinkhole
Natural Bridge
Karst Topography
Chapter 17: Glaciers
Glacier
Size of a glacier depends on
Types of Glaciers
Alpine
Continental
Glacial Movement
Basal Slip
Internal Plastic Flow
Features of Glaciers
Crevasse
Ice shelves
Icebergs
Landforms Created by Glacial Erosion
Cirque
Arête
Horn
U-shaped Valley
Glacial Deposition
Erratic
Glacial Drift
Till
Stratified drift
Moraine
Kettles
Esker
Glacial Lake
Ice Age
Glacial Period
Interglacial Period
Milaknovitch Theory
Other explanations for Ice Ages
Chapter 18: Erosion by Wind and Waves
Wind Erosion
Saltation
Deflation
Ventifact
Wind Deposition
Dune
Dune Migration
Loess
Shoreline Erosion
Sea Cliffs
Sea Cave
Sea Arch
Sea Stack
Shoreline Deposition
Beach
Composition of beach material depends on
Longshore Current
Sand movement along the shore
Spit
Barrier Island
Lagoon