Several types of empirical expressions have been developed from time to time to predict peak rate of runoff from agricultural watersheds. Some of the most common expressions are described below: 1. Rational Method: The oldest and the most famous hydrological model of predicting peak rate of runoff is the rational formula, expressed as: q = […]
Estimation of Runoff Rate | Hydrology
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Measuring the Velocity of Stream: 4 Methods
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This article throws light upon the top four methods adopted for measuring the velocity of stream. The methods are: 1. Current Meter 2. Float Method 3. Open Channel 4. Weirs and Flumes. Method # 1. Current Meter: Current meter measures the velocity of flowing water in an open channel or ditch and streams where direct […]