erosion
DESCRIPTION
ErosionTRANSCRIPT
EROSION
Is the process by which soil and rock are removed from the Earth's surface by natural processes such as wind or water flow, and then transported and deposited in other locations.
What is the erosion?
Excessive erosion causes problems such as desertification, decreases in agricultural productivity due to land degradation, sedimentation of waterways, and ecological collapse
What does the erosion cause?
There are different types of erosion:
Wind erosion, Water erosion, Gravitational erosion, Coastal erosion
Types of erosion
Wind erosion is a major force, especially in arid and semi-arid regions. It is also a major source of land degradation, evaporation, desertification, harmful airborne dust, and crop damage—especially after being increased far above natural rates by human activities such as deforestation, urbanization, and agriculture.
Wind erosion
Shoreline erosion, which occurs on both exposed and sheltered coasts, primarily occurs through the action of currents and waves but sea level (tidal) change can also play a role.
Coastal erosion
Water erosion is the transport of loosened soil particles by surface runoff that is flowing downhill in thin sheets.
Water erosion
http://www.educaplay.com/es/recursoseducativos/675696/erosion.htm
Alphabet Soup: Types of erosion
The…………… is the process by which soil and rock are removed from the Earth's surface by natural processes
There are different types of erosion, ………… , …………, ………… and ………….
The erosion causes several problems such as…………….
Complete:
DESERTIFICATION-GRAVITATIONAL-WIND-WATER-COASTAL-EROSION
NESOIOR: LAOTSCA: VNOITITAGRLA: RWTAE: DNWI:
Put the letters in order
Types of erosion
What the excesive erosion cause?
How many types of erosion exists? Tell them.
Questions:
Identify the images: Which erosion is find in the photos?
Water erosion: http://www.youtube.com/watch?v=ofhQvAu_L1I
Coastal erosion: http://www.youtube.com/watch?v=zUh3WeilFN4
Wind erosion: http://www.youtube.com/watch?v=PQmon7Rj6ns
Gravitational erosion: http://www.youtube.com/watch?v=F5oK21BMg2s
Videos