A hydrograph is a graphical representation of the rate of flow (discharge) of water over time in a specific location, usually measured at a stream, river, or reservoir. It is commonly used in hydrology and water resource management to analyze the behavior of water bodies, understand flooding patterns, and manage water resources. Here are some key features of a hydrograph: 1. **Axes**: The x-axis typically represents time (hours, days, months, etc.
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A hydrograph records discharge against time at a fixed location. A nonlinear kinematic wave can steepen an upstream increase into a sharp front; longitudinal diffusion or additional storage rounds the resulting rise.