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Formula Used:
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Possible Recharge refers to the gross recharge minus the natural recharge of the area, specifically in hard rock areas with low clay content where specific yield values are at their minimum.
The calculator uses the formula:
Where:
Explanation: The formula calculates the potential water recharge by considering water level fluctuations during monsoon season, watershed area, and the total water extracted from the catchment area.
Details: Accurate recharge estimation is crucial for water resource management, groundwater sustainability assessment, and planning water extraction in hard rock areas with low clay content.
Tips: Enter water level fluctuation in meters, watershed area in square meters, and gross water draft in cubic meters per second. All values must be valid positive numbers.
Q1: What is water level fluctuation?
A: Water Level Fluctuation refers to the irregular rising and falling in number or amount of water during monsoon season.
Q2: What does watershed area represent?
A: The Watershed Area refers to the isolated area with a well demarcated boundary line, draining the rainwater to a single outlet.
Q3: What is gross water draft?
A: The Gross Water Draft refers to the total volume of water extracted or utilized from a catchment area.
Q4: Why is this calculation specific to hard rock areas with low clay content?
A: Hard rock areas with low clay content have different hydrological properties and specific yield characteristics that affect recharge calculations.
Q5: What are typical values for possible recharge?
A: Values vary significantly based on geographical location, climate, and hydrological conditions. The calculator provides site-specific estimates based on input parameters.