PHYSICAL GEOGRAPHY Arid Landforms

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PHYSICAL GEOGRAPHYArid Landforms

• C.J. Cox

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Arid Landforms

• Found in BW Climates
• Non-retentive alkaline soils
• Sparse Vegetation
• Xerophytes
• Succulents
• Ephermals
• shallow root systems

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Arid Landforms

• Wind erosion deposition
• Water erosion (most important in Arid Landforms
• unprotected surface
• seepage underground
• intermittent rivers
• exotic rivers
• no ground water

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Arid Landforms

• Landforms of Erosion
• Badlands
• Washes, Arroyos, Wadis
• Mesas
• Buttes
• Pinnacles

• Landforms of Deposition
• Bajada
• Playa
• Erg -sand dune landscapes
• Reg
• Hamada

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Landforms of Erosion

• Badlands
• Washes, Arroyos, Wadis
• Mesas
• Buttes
• Pinnacles

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Badlands
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Sculpture by an exotic river
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Mesa Scarp Terrain
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Rock Pinnacles
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Rock Pedestals
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Landforms of Depostion

• Bajada
• Playa
• Erg -sand dune landscapes
• Reg

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Bajada
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Erg - Sand dune landscapes
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Reg - desert pavement
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Arid Landforms

• Landforms of Erosion
• Badlands
• Washes, Arroyos, Wadis
• Mesas
• Buttes
• Pinnacles

• Landforms of Deposition
• Bajada
• Playa
• Erg -sand dune landscapes
• Reg
• Pediments

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PHYSICAL GEOGRAPHYArid Landforms

• C.J. Cox