erosion
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| How are features formed in the upper course of a river? | formed by the processes of erosion
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| What are waterfalls? | waterfalls are vertical interruptions in the rivers profile that occur due to vertical erosion
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| name two examples of waterfalls | torc waterfall in killarney co.kerry and powerscourt falls co.wicklow.
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| How can they occur? | they can occur due to faulting when a section of rock is uplifted above the rest causing the river to flow over the edge.
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| what occurs during the youthful stage of the river? | the river has a high velocity and therefore high erosive power which vertically erodes the river bed.
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| what is differental erosion? | the soft rock is eroded at a much faster rate than the hard rock, a process known as differential erosion
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| what happens overtime? | physical weathering reduces the height of the gorge as rock is broken down into scree and transported away by the river
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Created by:
Laura_obrien123
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