Final answer:
To measure the flow of a runoff, key factors include area, time, and volume along with velocity.
Explanation:
Factors to Measure Runoff Flow
- Area: Cross-sectional area of the flow.
- Time: Measurement over a period to determine flow rate.
- Volume: The total quantity of liquid passing through a section.
These factors, along with velocity, help in assessing and managing runoff effectively.
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