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QHM - Storm Water Models and Modeling/Modelling Software

Check out the lowest prices of storm water models and modeling (or modelling) software!

QHM - Storm Water Model is a Windows-based continuous watershed quantity and quality simulation model intended for watershed management and storm water design. The program can also be used as an effective teaching tool. FEATURES • Elements of a system that can be represented by the model include watershed processes, reservoirs, control ponds, and streams or channels. • Watershed quantity processes include: Surface Runoff, Base Flow, Winter Runoff, Soil Freeze-Thaw, Snowmelt, and Snow Removal. • Watershed water quality processes include soil erosion and urban runoff pollutants. • Simulation of storm water control ponds includes flow routing, mixing, transport, removal, bypass, and treatment by sediment removal and first-order reduction processes. • Routing though reservoirs is represented. • Channel processes include flow routing and quality effects including mixing, junctions, transport, distributed and point inputs, and streambank erosion. • QHM - Storm Water Model can be programmed with a variable time step-for input, calculation, or output; the basic time step is hourly. Although it is a continuous simulation model, QHM - Storm Water Model can be used for event simulation. • Input data-precipitation, temperature, and flow-can be in one of several common formats. • Duration of the simulation period is limited only by available disk space. • QHM - Storm Water Model output includes time series, graphics, and statistics representing input and output data. • Model calibration is facilitated by the ability to compare total flow volume and sediment loads, maximum and minimum flow rates and pollutant concentrations, and concentration frequency statistics for a specified period. • QHM - Storm Water Model can be customized for specialized applications by arrangement with the developers.

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qhm - storm water models and modeling/modelling software
e-mail: tech@gwsoftware.com
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