Erosion
-
Upload
monicadyess -
Category
Documents
-
view
650 -
download
0
Transcript of Erosion
![Page 1: Erosion](https://reader035.fdocuments.net/reader035/viewer/2022062513/555886f3d8b42aad358b4e17/html5/thumbnails/1.jpg)
Erosion and Deposition
![Page 2: Erosion](https://reader035.fdocuments.net/reader035/viewer/2022062513/555886f3d8b42aad358b4e17/html5/thumbnails/2.jpg)
Breaking Down Processes
Weathering The breaking downbreaking down of the earth’s material
by natural processes. Erosion
The process by which weathered rock and soil particles are movedmoved from place to place.
Deposition The process by which weathered sediments
are laid downlaid down in a new location creating new landforms.
![Page 3: Erosion](https://reader035.fdocuments.net/reader035/viewer/2022062513/555886f3d8b42aad358b4e17/html5/thumbnails/3.jpg)
5 Agents of Erosion
Gravity Glaciers Wind Surface Water / Running Water Ocean Shoreline / Ocean Waves
![Page 4: Erosion](https://reader035.fdocuments.net/reader035/viewer/2022062513/555886f3d8b42aad358b4e17/html5/thumbnails/4.jpg)
Gravity PullsPulls rock and soil down a slope
Called Mass MovementMass Movement Rapid
Rockslides Mudflow Avalanche
![Page 5: Erosion](https://reader035.fdocuments.net/reader035/viewer/2022062513/555886f3d8b42aad358b4e17/html5/thumbnails/5.jpg)
![Page 6: Erosion](https://reader035.fdocuments.net/reader035/viewer/2022062513/555886f3d8b42aad358b4e17/html5/thumbnails/6.jpg)
GravitySlow
Slump Creep
![Page 7: Erosion](https://reader035.fdocuments.net/reader035/viewer/2022062513/555886f3d8b42aad358b4e17/html5/thumbnails/7.jpg)
Glaciers Carry very largelarge to very smallsmall
debris Most powerful agent Deposits
Form piles called morainesmoraines Drumlins – little mounds Glacial lakes Kettle lakes U-shaped valleys
![Page 8: Erosion](https://reader035.fdocuments.net/reader035/viewer/2022062513/555886f3d8b42aad358b4e17/html5/thumbnails/8.jpg)
Moraines
![Page 9: Erosion](https://reader035.fdocuments.net/reader035/viewer/2022062513/555886f3d8b42aad358b4e17/html5/thumbnails/9.jpg)
Drumlins
Glacial lakes
![Page 10: Erosion](https://reader035.fdocuments.net/reader035/viewer/2022062513/555886f3d8b42aad358b4e17/html5/thumbnails/10.jpg)
Kettle Lakes
U-shaped valleys
![Page 11: Erosion](https://reader035.fdocuments.net/reader035/viewer/2022062513/555886f3d8b42aad358b4e17/html5/thumbnails/11.jpg)
Glaciers
![Page 12: Erosion](https://reader035.fdocuments.net/reader035/viewer/2022062513/555886f3d8b42aad358b4e17/html5/thumbnails/12.jpg)
Glacial Erosion
![Page 13: Erosion](https://reader035.fdocuments.net/reader035/viewer/2022062513/555886f3d8b42aad358b4e17/html5/thumbnails/13.jpg)
Wind Removes looseloose material from the earth’s
surface. Amount of material carried depends on wind wind
speedspeed Most active in desertsdeserts, plowed fields, beaches
Deposits by wind Loess-Loess- layer of fine silt or sand Dunes-Dunes- mounds of sand
![Page 14: Erosion](https://reader035.fdocuments.net/reader035/viewer/2022062513/555886f3d8b42aad358b4e17/html5/thumbnails/14.jpg)
Loess
![Page 15: Erosion](https://reader035.fdocuments.net/reader035/viewer/2022062513/555886f3d8b42aad358b4e17/html5/thumbnails/15.jpg)
Dunes
![Page 16: Erosion](https://reader035.fdocuments.net/reader035/viewer/2022062513/555886f3d8b42aad358b4e17/html5/thumbnails/16.jpg)
Running Water MAJOR CAUSE OF EROSION
When water moves it carries particle called the loadload.
SpeedSpeed of water determines the size of the load Creates canyonscanyons and valleys
River deposits Delta OxbowOxbow lake Flood plains
![Page 17: Erosion](https://reader035.fdocuments.net/reader035/viewer/2022062513/555886f3d8b42aad358b4e17/html5/thumbnails/17.jpg)
River deltas
![Page 18: Erosion](https://reader035.fdocuments.net/reader035/viewer/2022062513/555886f3d8b42aad358b4e17/html5/thumbnails/18.jpg)
Oxbow Lakes
![Page 19: Erosion](https://reader035.fdocuments.net/reader035/viewer/2022062513/555886f3d8b42aad358b4e17/html5/thumbnails/19.jpg)
Flood Plains
![Page 20: Erosion](https://reader035.fdocuments.net/reader035/viewer/2022062513/555886f3d8b42aad358b4e17/html5/thumbnails/20.jpg)
Waves Constantly erode and shapeshape the
shoreline. Formation
Sea cliffs Sea stacksstacks and caves
![Page 21: Erosion](https://reader035.fdocuments.net/reader035/viewer/2022062513/555886f3d8b42aad358b4e17/html5/thumbnails/21.jpg)
Sea Stacks
![Page 22: Erosion](https://reader035.fdocuments.net/reader035/viewer/2022062513/555886f3d8b42aad358b4e17/html5/thumbnails/22.jpg)
Sea Stacks & cliffs
![Page 23: Erosion](https://reader035.fdocuments.net/reader035/viewer/2022062513/555886f3d8b42aad358b4e17/html5/thumbnails/23.jpg)
Cape Flattery, Olympic Peninsula
Sea caves
![Page 24: Erosion](https://reader035.fdocuments.net/reader035/viewer/2022062513/555886f3d8b42aad358b4e17/html5/thumbnails/24.jpg)
Waves
Deposits Beaches Spits sand barssand bars Barrier Islands
![Page 25: Erosion](https://reader035.fdocuments.net/reader035/viewer/2022062513/555886f3d8b42aad358b4e17/html5/thumbnails/25.jpg)
![Page 26: Erosion](https://reader035.fdocuments.net/reader035/viewer/2022062513/555886f3d8b42aad358b4e17/html5/thumbnails/26.jpg)
Barrier Islands
![Page 27: Erosion](https://reader035.fdocuments.net/reader035/viewer/2022062513/555886f3d8b42aad358b4e17/html5/thumbnails/27.jpg)
Spits & Sandbars
![Page 28: Erosion](https://reader035.fdocuments.net/reader035/viewer/2022062513/555886f3d8b42aad358b4e17/html5/thumbnails/28.jpg)
Erosion by Brainpop