Practice Global Water Budget (2) - Global Water Budget - Hydrology & Water Resources Engineering

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10 questions

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5 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
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Quiz
4 questions · about 3 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
What is the largest reservoir of water on Earth?
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Think about where most of the Earth's water is stored.
Question 2.
Define 'precipitation'.
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Consider what you see falling from the sky.
3Question 3.
What percentage of water on Earth is found in oceans?
- 50%
- 75%
- 96.5%
- 25%
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Think of the largest body of water you know.
4Question 4.
True or False: Freshwater sources are more abundant than ocean water.
- True
- False
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Remember the statistics we discussed earlier.
Question 5.
Assume an average area of a region receives 1,000 mm of rainfall annually. If 70% of this water is returned to the atmosphere by evapotranspiration, calculate the net water available for runoff.
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Subtract evapotranspiration from total precipitation.
Question 6.
Given that climate change is projected to decrease precipitation by 20% in a region, how would that impact the annual water budget if current precipitation is 500 mm?
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Calculate the percentage decrease and subtract it from the current precipitation total.

6 more questions in this section. Enroll free to practise them all.