Question

Summarise the ways in which oxygen may be exchanged between a riverine flow and the atmosphere.
(4 marks)
b) Sketch a typical oxygen-sag curve, labelling the axes and indicating any important points on the curve.
(6 marks).
c) State four biological, or chemical, factors that can affect the quality of a body of water.
(4 marks)
d) Describe, with the aid of a sketch, three typical zones within a mature river system as differentiated by their dominant sediment transport processes.
(

Answer 1

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