1. What is Aquifer Loss?

Aquifer loss is the product of discharge and aquifer loss coefficient. It represents the head loss that occurs in the aquifer itself during groundwater extraction from a well.

2. How Does the Calculator Work?

The calculator uses the formula:

Where:

• Discharge (Q) — Rate of flow of water (m³/s)
• Specific Capacity (Sc) — Quantity that a water well can produce per unit of drawdown (m²/s)
• Head Loss in well (CQn) — Difference in head due to losses in the well (m)

Explanation: The formula calculates aquifer loss by subtracting the head loss in the well from the ratio of discharge to specific capacity.

3. Importance of Aquifer Loss Calculation

Details: Calculating aquifer loss is crucial for understanding well performance, designing efficient well systems, and managing groundwater resources effectively.

4. Using the Calculator

Tips: Enter discharge in m³/s, specific capacity in m²/s, and head loss in meters. All values must be valid positive numbers.

5. Frequently Asked Questions (FAQ)

Q1: What is specific capacity?
A: Specific capacity is a measure of well productivity, defined as the discharge per unit drawdown in the well.

Q2: How does head loss affect well performance?
A: Head loss reduces the effective drawdown available for water production, affecting the well's efficiency and yield.

Q3: What factors contribute to aquifer loss?
A: Aquifer loss is influenced by aquifer properties, well construction, and pumping conditions.

Q4: How can aquifer loss be minimized?
A: Proper well design, optimal screen placement, and appropriate pumping rates can help minimize aquifer loss.

Q5: What are typical values for specific capacity?
A: Specific capacity varies widely depending on aquifer characteristics, ranging from less than 0.1 to over 10 m²/s.