river deposition Word Scramble
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Question | Answer |
what are oxbow lakes? | a horseshoe shaped lake that has been cut off from the river eg. the old age stage of the river shanon |
how are they formed | as the meander bends the gap between them becomes narrow. During times of flood the discharge and velocity of the river are increaseed |
the fast flowing water is unable to flow around the meander so it cuts through the narrow strip of land | |
once the flood has subsided desposition seals off the ends of the meander completely cutting if off from the main river | |
what is a mort lake | as the oxbow lake is diprived of water it dries up this is known as aw mort lake or scar |
repeated floods from the river fill the mort lake with alluvuim, eventually causing it the disappear |
Created by:
Megan k
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