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  1. Hydrograph - Wikipedia

    A hydrograph is a graph showing the rate of flow (discharge) versus time past a specific point in a river, channel, or conduit carrying flow. The rate of flow is typically expressed in units of cubic …

  2. Hydrology Education: Hydrographs - National Weather Service

    A hydrograph is a way of displaying water level information over time. A hydrograph plot may display stage, streamflow, and sometimes both. Hydrographs can be a helpful way to show …

  3. Hydrographs - What is a Hydrograph? - Geology.com

    Although these examples are from a stream, hydrographs can also be made for lakes, water wells, springs and other bodies of water. This is one of the most frequently created …

  4. Hydrographs made EASY - The geography teacher

    A hydrograph is a graph that shows how the flow of a river changes over time. Hydrographs typically display the amount of water flowing in a river (known as the “discharge”) on the y-axis …

  5. About Hydrograph

    A hydrograph shows how the river level changes over time at a specific location. Forecast hydrographs are displayed when flooding is expected, otherwise the hydrograph for the past …

  6. Unit Hydrograph Basic Concepts - United States Army

    The unit hydrograph is a well-known, commonly-used empirical model of the relationship of direct runoff to excess precipitation.

  7. Hyetograph vs. Hydrograph: Understanding the Difference

    May 29, 2025 · A hydrograph, on the other hand, is a graphical representation of river discharge (or flow) over a specific period of time following a rainfall event. It shows the relationship …

  8. Hydrographs: A Tool for Illustrating Stormwater Flow

    Sep 16, 2025 · The people who manage water resources today — most often local municipalities — use a tool called a hydrograph to visualize how stormwater changes the flow of water in …

  9. Dimensionless unit hydrograph (DUH) - a hydrograph developed to represent several unit hydrographs; plotted using the ratio of the basic unit’s time to peak and peak rate; also called …

  10. Hydrographs - Interpretation of hydrographs - Higher …

    A hydrograph shows how a river is affected by a storm. This helps to understand discharge patterns of a particular drainage basin and helps to predict flooding and plan flood prevention …