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OU GEOG 1114 - Aeolian Landforms
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GEOG 1114 1st Edition Lecture 26Outline of Last Lecture -The Fluvial process-Stream organization-Stream erosion-Stream patterns-Fluvial LandformsOutline of Current Lecture This was a short lecture:-Landforms-Wind erosion-Requirement for wind erosion-Aeolian Landforms-Rock ArchesCurrent Lecture Landforms of Arid RegionsAeolian Landforms: (Aiolis - Greek God of Wind)Wind as a Geomorphic Agent AbrasionDeflation (blowouts)These notes represent a detailed interpretation of the professor’s lecture. GradeBuddy is best used as a supplement to your own notes, not as a substitute.RequirementsWind > 10mphLack of VegetationAeolian LandformsLoess Deposits:Wind deposited salt, lack horizontal stratification, great vertical durability, 10% of Earth covered in LoessSand Dunes:Semi arid to desert dunescapesLack of vegetationLack of precipitationTypes:Barchan – individual dunes migrating across landscape, crescent shaped. Transverse – crescent shaped, but entire landscape made of these dunesSeifs – long narrow that are parallelCoastal Dunes – Ocean waves deposit sand on beaches. Propionate onshore winds move sands inland.Rock Arches or PinnaclesDevelop when wind slowly erodes sedimentary rock outcrops leaving behind a pinnacle type structure and arches. Natural bridge formation, Pillar


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OU GEOG 1114 - Aeolian Landforms

Type: Lecture Note
Pages: 2
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