WARM-UP (TURN IN ON HALF SHEET) What are five factors that affect soil erosion (from your notes)?...
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Transcript of WARM-UP (TURN IN ON HALF SHEET) What are five factors that affect soil erosion (from your notes)?...
![Page 1: WARM-UP (TURN IN ON HALF SHEET) What are five factors that affect soil erosion (from your notes)? Explain how each affects the soil.](https://reader031.fdocuments.us/reader031/viewer/2022032804/56649e575503460f94b4f156/html5/thumbnails/1.jpg)
WARM-UP (TURN IN ON HALF SHEET)
• What are five factors that affect soil erosion (from your notes)? Explain how each affects the soil.
![Page 2: WARM-UP (TURN IN ON HALF SHEET) What are five factors that affect soil erosion (from your notes)? Explain how each affects the soil.](https://reader031.fdocuments.us/reader031/viewer/2022032804/56649e575503460f94b4f156/html5/thumbnails/2.jpg)
GEOHAZARDS
![Page 3: WARM-UP (TURN IN ON HALF SHEET) What are five factors that affect soil erosion (from your notes)? Explain how each affects the soil.](https://reader031.fdocuments.us/reader031/viewer/2022032804/56649e575503460f94b4f156/html5/thumbnails/3.jpg)
GEOHAZARD
• A geohazard is a geologic event that has the potential to both destroy property and cause a loss of life• Landslide
• Earthquake
• Tsunami
• Sinkhole
• Flooding
![Page 4: WARM-UP (TURN IN ON HALF SHEET) What are five factors that affect soil erosion (from your notes)? Explain how each affects the soil.](https://reader031.fdocuments.us/reader031/viewer/2022032804/56649e575503460f94b4f156/html5/thumbnails/4.jpg)
• A landslide is where debris separates from bedrock and the material slides rapidly down slope• Caused by:
• Over steepened slope
• Removal of vegetation
• Earthquakes
LANDSLIDES
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LANDSLIDES
• Ways to avoid landslide damage• Don’t build homes on areas of weak soil
• Replant trees
• Slopes can be sprayed with concrete to reduce rock slipage
![Page 6: WARM-UP (TURN IN ON HALF SHEET) What are five factors that affect soil erosion (from your notes)? Explain how each affects the soil.](https://reader031.fdocuments.us/reader031/viewer/2022032804/56649e575503460f94b4f156/html5/thumbnails/6.jpg)
![Page 7: WARM-UP (TURN IN ON HALF SHEET) What are five factors that affect soil erosion (from your notes)? Explain how each affects the soil.](https://reader031.fdocuments.us/reader031/viewer/2022032804/56649e575503460f94b4f156/html5/thumbnails/7.jpg)
• Earthquakes occur when tectonic plates slide past each other, slip and release seismic waves
• Ways to mitigate earthquake damage:• Secure bookshelves in home
• Secure gas/water heater
EARTHQUAKES
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VOLCANOES
• Volcanoes release dust and ash which can alter the climate by blocking out the sun
• As well they can trigger mudslides and send lava down a mountainside
![Page 9: WARM-UP (TURN IN ON HALF SHEET) What are five factors that affect soil erosion (from your notes)? Explain how each affects the soil.](https://reader031.fdocuments.us/reader031/viewer/2022032804/56649e575503460f94b4f156/html5/thumbnails/9.jpg)
• This contour map represents a volcano
• The lava and ash flow would have to flow North due to the sharp drop in elevation on the Northward side
VOLCANOES
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TSUNAMIS
• A tsunami is a large tidal wave that is generated by seismic waves released from an earthquake• Slab of crust is displaced along a fault
• Can travel up to 500-950 kilometers per hour
![Page 11: WARM-UP (TURN IN ON HALF SHEET) What are five factors that affect soil erosion (from your notes)? Explain how each affects the soil.](https://reader031.fdocuments.us/reader031/viewer/2022032804/56649e575503460f94b4f156/html5/thumbnails/11.jpg)
![Page 12: WARM-UP (TURN IN ON HALF SHEET) What are five factors that affect soil erosion (from your notes)? Explain how each affects the soil.](https://reader031.fdocuments.us/reader031/viewer/2022032804/56649e575503460f94b4f156/html5/thumbnails/12.jpg)
• Ways to mitigate tsunami damage:• Preserve dunes on beaches
Provide inland protection from tsunamis
• Build trenches to divert water
• Build seawalls to protect inland areas
TSUNAMIS
![Page 13: WARM-UP (TURN IN ON HALF SHEET) What are five factors that affect soil erosion (from your notes)? Explain how each affects the soil.](https://reader031.fdocuments.us/reader031/viewer/2022032804/56649e575503460f94b4f156/html5/thumbnails/13.jpg)
SINKHOLES
• A sinkhole is a natural depression on the Earth’s surface• Can be caused by collapse of underlying rock
![Page 14: WARM-UP (TURN IN ON HALF SHEET) What are five factors that affect soil erosion (from your notes)? Explain how each affects the soil.](https://reader031.fdocuments.us/reader031/viewer/2022032804/56649e575503460f94b4f156/html5/thumbnails/14.jpg)
SINKHOLES
• Mitigation:• Use filters Pump out water which dissolve underlying rock
• Careful inspection of bedrock
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GROUNDWATER POLLUTION
• Groundwater-Water stored beneath the surface
• Becomes polluted when chemical seep into the ground and contaminate the aquifer• This can contaminate wells and a communities drinking water
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FLOODING
• Flooding occurs over an area where water cannot seep into the soil• Soil is impermeable or saturated
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• Mitigation: • Flood risk maps
• Don’t build homes on flood plains
• Redirecting waters through flood channels
FLOODING
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