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Weathering And Erosion SnapShots

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PRESENTATION OUTLINE

WEATHERING AND EROSION SNAPSHOTS

BY: JOLIE JOHNSON // CORE 5

EROSION

Photo by Pat Dryburgh

DEFINITION OF EROSION

  • the gradual destruction of something by natural forces by which something is eroded or worn away

EROSION BY GRAVITY

  • Mudslide
  • Rockfall
  • Avalanche

EROSION CAUSED BY HUMAN ACTIVITY

  • Watering the garden
  • Deforestation, they removal the vegetation covering the ground which causes the soil to be unprotected against wind and water to erode
Photo by lars hammar

MOVING WATER

  • As a river flows it creates a v-shaped valley by eroding the rocks and sediments
Photo by marcp_dmoz

WIND

  • Dunes, particularly in deserts, off of which sand is blown
Photo by sandy.redding

GLACIERS

  • The shaping beneath a moving glacier
Photo by D-Stanley

Waves

  • Runoff, streams, and rivers carry sediment to the oceans and over time, they erode the shore.
Photo by Phil's 1stPix

Soil erosion

  • wearing away of a field's topsoil by the natural physical forces of wate
Photo by BITS_flux

erosion specifically in miinnesota

  • The Mississippi River is an example of erosion
Photo by Exothermic

weathering

Photo by bumeister1

DEFINITION of Weathering

  • rocks are broken down into smaller pieces by the effects of weather
Photo by Rob Shenk

mechanical weathering

  • Animal activity
  • Ice wedging
  • Root growth
Photo by ≡ Gillfoto

chemical weathering

  • oxidation
  • hydration
  • carbonation
Photo by lvanvlee8

weathering in minnesota

  • Taylor's Falls is an example of weathering in Minnesota becuase the falls weather away rocks and pebbles from the banks of the stream, and this is known as physical and mechanical weathering.
Photo by Garret Voight

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