Examine the diagrams above which show a fluvial landscape before and after rejuvenation - Leaving Cert Geography - Question 2A - 2022
Question 2A
Examine the diagrams above which show a fluvial landscape before and after rejuvenation. Answer each of the following questions.
(i) Name the fluvial landforms labe... show full transcript
Worked Solution & Example Answer:Examine the diagrams above which show a fluvial landscape before and after rejuvenation - Leaving Cert Geography - Question 2A - 2022
Step 1
Name the fluvial landforms labelled A and B in Figure 1.
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Answer
The fluvial landforms labelled are:
A = Floodplain
B = Levee
Step 2
Name the landforms of river rejuvenation labelled C and D in Figure 2.
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Answer
The landforms of river rejuvenation labelled are:
C = Knickpoint
D = Paired Terraces
Step 3
Name two coastal landforms that form as a result of an adjustment to base level.
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Answer
Two coastal landforms that form due to adjustments to base level include:
Valid Landform 1
Valid Landform 2
Step 4
Explain briefly one cause of river rejuvenation.
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Answer
One cause of river rejuvenation can be attributed to tectonic uplift. When the land experiences uplift, the base level of the river is lowered, which increases the river's energy and erosion capability, allowing it to carve deeper valleys.
Step 5
Explain briefly what is meant by peneplain.
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Peneplain refers to a nearly level land surface that has been eroded to near sea level over geological time. It represents a stage of geomorphological evolution where landforms have been greatly reduced in relief due to prolonged weathering and erosion.
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