10-1 Environmental Geology James Reichard Copyright © The McGraw-Hill Companies, Inc. Permission...
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Transcript of 10-1 Environmental Geology James Reichard Copyright © The McGraw-Hill Companies, Inc. Permission...
10-10-11
EnvironmentaEnvironmental l
GeologyGeology
James ReichardJames Reichard
Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display.
10-10-22
Chapter 10Chapter 10Soil ResourcesSoil Resources
10-10-33
Formation of SoilsFormation of Soils
BedrockBedrock RegolithRegolith SedimentSediment
10-10-44
Formation of SoilsFormation of Soils
WeatheringWeathering PhysicalPhysical
ChemicalChemical Quartz resistant to chemical weatheringQuartz resistant to chemical weathering
10-10-55
Soil HorizonsSoil Horizons
10-10-66
Soil ColorSoil Color
10-10-77
Soil TextureSoil Texture
10-10-88
Soil Forming FactorsSoil Forming Factors
Parent material Parent material C HorizonC Horizon
OrganismsOrganisms ClimateClimate TopographyTopography TimeTime
PaleosolPaleosol
10-10-99
Classification of SoilsClassification of Soils
10-10-1010
Engineering ClassificationEngineering Classification
10-10-1111
Soil PropertiesSoil Properties
PorosityPorosity
Soil moisture & Soil moisture & drought resistancedrought resistance
PermeabilityPermeability
Strength & Strength & sensitivitysensitivity
PlasticityPlasticity
CompressibilityCompressibility
Shrink-swellShrink-swell
Ion exchange Ion exchange capacitycapacity
10-10-1212
Soil as a ResourceSoil as a Resource
Agricultural food production Agricultural food production Soil fertilitySoil fertility Essential nutrientsEssential nutrients
Minerals and energyMinerals and energy AluminumAluminum Kaolinite clayKaolinite clay PeatPeat
10-10-1313
Soil LossSoil Loss
Soil erosion Soil erosion NaturalNatural Man-madeMan-made
ConsequencesConsequences
10-10-1414
Soil LossSoil Loss
MitigationMitigation Contour plowingContour plowing Crop strippingCrop stripping No till farmingNo till farming Grassed waterwaysGrassed waterways TerracingTerracing
Stream buffersStream buffers Silt fencesSilt fences Retention basinsRetention basins Slope vegetation Slope vegetation
covercover
10-10-1515
Salinization of SoilsSalinization of Soils
10-10-1616
HardpansHardpans