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What is a mass curve in hydrology used for?

41. What is a mass curve in hydrology used for?

1. To estimate the total volume of water over time
2. To determine the evaporation rate from a reservoir
3. To calculate the sediment load in a river
4. To measure the flow rate at a given point in time

Answer

The correct answer is: A) To estimate the total volume of water over time

Explanation

A mass curve, or cumulative inflow curve, plots the cumulative quantity of water flowing past a point over time, helping to estimate the total volume of water available.