Volume Diverted Out Of Stream Calculator

Formula Used:

\[ V_d = R_N - R_o + V_r - E_M - F_x - \Delta S_v \]

Natural Flow Volume (R_N):

m³/s

Observed Flow Volume (R_o):

m³/s

Volume of Return Flow (V_r):

m³/s

Net Evaporation Losses (E_M):

m³/s

Net Export of Water from Basin (F_x):

m³/s

Change in Storage Volumes (ΔS_v):

m³/s

Volume Diverted Out of Stream (V_d):

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1. What is Volume Diverted Out of Stream?

Volume Diverted Out of Stream refers to the quantity of water extracted from a river or stream for various purposes including irrigation, domestic water supply, and industrial use. This measurement is crucial for water resource management and environmental impact assessment.

2. How Does the Calculator Work?

The calculator uses the water balance equation:

\[ V_d = R_N - R_o + V_r - E_M - F_x - \Delta S_v \]

Where:

\( V_d \) — Volume Diverted Out of Stream (m³/s)
\( R_N \) — Natural Flow Volume (m³/s)
\( R_o \) — Observed Flow Volume (m³/s)
\( V_r \) — Volume of Return Flow (m³/s)
\( E_M \) — Net Evaporation Losses (m³/s)
\( F_x \) — Net Export of Water from Basin (m³/s)
\( \Delta S_v \) — Change in Storage Volumes (m³/s)

Explanation: This equation accounts for all water balance components to determine the volume of water diverted from the stream for human use.

3. Importance of Water Diversion Calculation

Details: Accurate calculation of water diversion is essential for sustainable water resource management, environmental protection, and ensuring equitable water distribution among various users.

4. Using the Calculator

Tips: Enter all values in cubic meters per second (m³/s). Ensure accurate measurements for precise results. All values should be positive numbers except for change in storage volumes, which can be positive or negative.

5. Frequently Asked Questions (FAQ)

Q1: What is the difference between natural flow and observed flow?
A: Natural flow represents the theoretical water volume that would occur without human intervention, while observed flow is the actual measured flow in the stream.

Q2: Why is return flow volume added in the calculation?
A: Return flow represents water that was diverted but returned to the stream system, so it must be accounted for in the overall water balance.

Q3: What factors contribute to net evaporation losses?
A: Net evaporation losses include evaporation from reservoirs, lakes, and other water bodies minus any precipitation directly onto these surfaces.

Q4: How is net export of water from basin measured?
A: This represents water transferred out of the watershed boundary through pipelines, canals, or other conveyance systems.

Q5: What does negative change in storage volumes indicate?
A: A negative value indicates that water is being released from storage (reservoirs, lakes), while a positive value indicates water is being stored.