GEOG 1114 1st Edition Lecture 26 Outline of Last Lecture The Fluvial process Stream organization Stream erosion Stream patterns Fluvial Landforms Outline of Current Lecture This was a short lecture Landforms Wind erosion Requirement for wind erosion Aeolian Landforms Rock Arches Current Lecture Landforms of Arid Regions Aeolian Landforms Aiolis Greek God of Wind Wind as a Geomorphic Agent Abrasion Deflation 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 Requirements Wind 10mph Lack of Vegetation Aeolian Landforms Loess Deposits Wind deposited salt lack horizontal stratification great vertical durability 10 of Earth covered in Loess Sand Dunes Semi arid to desert dunescapes Lack of vegetation Lack of precipitation Types Barchan individual dunes migrating across landscape crescent shaped Transverse crescent shaped but entire landscape made of these dunes Seifs long narrow that are parallel Coastal Dunes Ocean waves deposit sand on beaches Propionate onshore winds move sands inland Rock Arches or Pinnacles Develop when wind slowly erodes sedimentary rock outcrops leaving behind a pinnacle type structure and arches Natural bridge formation Pillar formation
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