Where can you find delta? What is a delta? A flat depositional plain formed at the river mouth



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tarix17.09.2018
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Delta


Where can you find delta?



What is a delta?



Types of delta



Arcuate delta

  • Triangular in shape

  • E.g. river Nile, Egypt, Africa.







Bird’s foot delta

  • Look like a bird’s foot

  • E.g. river Mississippi, U.S.A, North America.







Estuarine delta















Discussion

  • What are the uses of delta to man? Explain your answer. Quote examples.

  • What are the favourable conditions for the formation of delta? (Think in terms of the river characteristics and the coastal environment……)







Conditions favouring the formation of delta

  • Characteristics of the river

  • River carries a large load

  • There are few or no lakes along the river





Formation of delta



Exercises




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