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HEC-HMS Technical Reference Manual > Transform

Unit Hydrograph Basic Concepts

-conceptual accounting for watershed storage. The Clark unit hydrograph and the ModClark model do so. All …

HEC-HMS Technical Reference Manual > Optimization

Constraints on the Search

Time of concentration 0.1 hr 500 hr Storage coefficient 0 hr 150 hr Snyder's UH …

HEC-HMS Technical Reference Manual > Meteorology > Precipitation

Precipitation Basic Concepts

rainfall or snowfall in a storage container that is open to the atmosphere. The depth of the collected water …

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