PHYSICAL GEOGRAPHY Arid Landforms

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Presentation transcript:

PHYSICAL GEOGRAPHY Arid Landforms C.J. Cox

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

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

Arid Landforms Landforms of Erosion Landforms of Deposition Badlands Washes, Arroyos, Wadis Mesas Buttes Pinnacles Landforms of Deposition Bajada Playa Erg -sand dune landscapes Reg Hamada

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

Badlands

Sculpture by an exotic river

Mesa & Scarp Terrain

Rock Pinnacles

Rock Pedestals

Landforms of Depostion Bajada Playa Erg -sand dune landscapes Reg

Bajada

Erg - Sand dune landscapes

Reg - desert pavement

Arid Landforms Landforms of Erosion Landforms of Deposition Badlands Washes, Arroyos, Wadis Mesas Buttes Pinnacles Landforms of Deposition Bajada Playa Erg -sand dune landscapes Reg Pediments

PHYSICAL GEOGRAPHY Arid Landforms C.J. Cox

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