Arid LandscapesArid and Humid Weathering ComparedArid Erosion Cycle: YouthYouthful Landscape, ArizonaArid Erosion Cycle: MaturityAlluvial Fans, UtahMature Arid LandscapeHow Pediments FormArid Erosion Cycle: Old AgeOld Arid LandscapeMonument Valley, ArizonaPlaya Lake, CaliforniaGreat Salt Lake, UtahClosed Basins are Typical of Arid RegionsArid LandscapesArid and Humid Weathering ComparedHumid Climates Arid Climates Rainfall Frequent Rare, May Be Seasonal, Often ViolentSoil Cover Thick Thin or AbsentVegetation Thick Sparse-no Continuous CoverChemical Weathering Intense WeakOverall Landscape Evolution Mostly Uniform Processes Episodic ProcessesArid Erosion Cycle: Youth•V-shaped Valleys •Divides Flat, Undissected •Much Like Youth in Humid ClimatesYouthful Landscape, ArizonaArid Erosion Cycle: Maturity •Slopes Stay Steep, Retreat •Alluvial Fans •Playa Lakes •PedimentsAlluvial Fans, UtahMature Arid LandscapeHow Pediments FormArid Erosion Cycle: Old Age •Inselbergs •Playa Lakes •PediplainOld Arid LandscapeMonument Valley, ArizonaPlaya Lake, CaliforniaGreat Salt Lake, UtahClosed Basins are Typical of Arid
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