1885215
Description
Mind Map by katelyncooke15, updated more than 1 year ago
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Created by katelyncooke15
almost 10 years ago
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Coastal Erosion
- FEATURES
- CAVE
- ARCH
- SEA STACK
- STUMP
- CAVE
- WAVE ACTION
- HYDRAULIC ACTION
- Air may become trapped in joints and cracks
on a cliff face. When a wave breaks, the trapped
air is compressed which weakens the cliff and
causes erosion.
- Air may become trapped in joints and cracks
on a cliff face. When a wave breaks, the trapped
air is compressed which weakens the cliff and
causes erosion.
- ATTRITION
- Waves smash rocks
and pebbles on the
shore into each other,
and they break and
become smoother.
- Waves smash rocks
and pebbles on the
shore into each other,
and they break and
become smoother.
- SOLUTION
- Acids contained in sea water will dissolve
some types of rock such as chalk or
limestone
- Acids contained in sea water will dissolve
some types of rock such as chalk or
limestone
- CORROSION
- Carbon dioxide in the atmosphere is dissolved into
water turning it into a weak carbonic acid. Several
rocks (e.g., Limestone) are vulnerable to this acidic
water and will dissolve into it. The rate of dissolution
is affected by the concentration of carbonates &
other minerals in the water. As it increases,
dissolution becomes slower.
- Carbon dioxide in the atmosphere is dissolved into
water turning it into a weak carbonic acid. Several
rocks (e.g., Limestone) are vulnerable to this acidic
water and will dissolve into it. The rate of dissolution
is affected by the concentration of carbonates &
other minerals in the water. As it increases,
dissolution becomes slower.
- ABRASION
- Bits of rock and sand in waves
grind down cliff surfaces like
sandpaper.
- Bits of rock and sand in waves
grind down cliff surfaces like
sandpaper.
- HYDRAULIC ACTION
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