QUESTION 1 Which one of the following terms are synonomous with drainage basin?

Question

QUESTION 1 Which one of the following terms are synonomous with drainage basin? [LO:1] O caldera catchment area watershed runoff Oriver basin O river channel QUESTION 2 How is discharge of a stream or river calculated? [LO:1] the sum of the cross-sectional area of the river channel and the velocity of the stream current the difference between the cross-sectional area of the channel and the velocity of the current the product of the cross-sectional area of the channel and the velocity of the current the ratio of the cross-sectional area of the river channel and the velocity of the current

Explanation / Answer

1) Drainage basin is equivalent to watershed or river basin or catchment,

Drainage basin is a geographic term about rivers. It is also called catchment, catchment area, catchment basin, drainage area, river basin, and water basin. But usually the term watershed is used to designate teh line separating a drainage basin from rest.

2) the product of cross sectional area of stream and the velocity of the current.

The discharge of a stream is the product of its velocity (V - length of travel per unit of time such as feet/second) times depth of the water (D - unit of length) times width (W of the water - units of length).

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