GeoHECHMS
GeoHECHMS speeds up watershed modeling by automating subbasin delineation, Curve Numbers, and Time of Concentration calculations. As an advanced data wrapper to industry-standard HEC-HMS, it simplifies workflows and accelerates common hydrologic preprocessing tasks needed for HEC-HMS modeling. Engineers use its AutoCAD-compatible interface to pull land use and soil data, compute TR 55/TR-20 parameters and simplify pre- and post-development scenarios for seamless detention/retention pond design. The software supports multiple rainfall distributions and routing methods, such as Muskingum, Kinematic Wave, Modified Puls, and Snyder Unit Hydrograph. Both US and metric (SI) units are supported, making GeoHECHMS a powerful solution for accurate watershed modeling and hydrologic analysis.
GeoHEC-HMS is a program that is designed to analyze watersheds using spatial data, integrating GIS capabilities with HEC-HMS for improved runoff and flood predictions, simplified data management, and scenario analysis for projects like stormwater planning and flood risk assessment.
Pros
- ✓Users like the program's user-friendly interface, its ability to save time by automating tasks such as basin delineation and land cover determination, and the responsive and knowledgeable customer service team that provides prompt technical support and training when needed.
Cons
- ✗Reviewers experienced some issues with the program, including a steep learning curve due to the requirement of both GIS and hydrologic modeling skills, dependency on high-quality spatial data which may not always be available, time-consuming model setup and calibration, and occasional bugs, especially after new updates are released.
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