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- Continuous mode, with state handling, suitable for operational forecasting;
- Event mode, without state handelinghandling;
The technical implementations for both modes of working are quite similar. However it is important that models to be implemented in continuous mode, have also been calibrated for such mode. The same holds for event mode.
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Compatibility
A note on the compatibilty compatibility of the HEC-HMS adapter: Most adapter developments are done under projects for clients with a specific HEC-HMS model version. The functionality of the updated adapter will be verified for the new HEC-HMS model version. Eventhough Even though care is taken not to break backwards compatibility, there is no guarantee that a newer adapter version will work on older HEC-HMS models.
The HEC-HMS adapter that was created in October 2019 is based on 32-bit binaries/libraries and runs on Java 8. This adapter was developed for HEC-HMS models with version 4.2.1 and was tested against HEC-HMS model of that version. This version of the adapter is still available in Stable2020.01 and earlier branches.
In August 2021 the HEC-HMS adapter has been updated to work with HEC-HMS models of version 4.8. Since HEC-HMS was updated to a 64-bit application, running on Java 11 since at version 4.5, the model adapter had to be updated to work with 64-bit binaries/libraries and run on Java 11. This adapter version is not backwards compatible with 32-bit HEC-HMS models (v. 4.4.1 and earlier). This adapterhas adapter has not been tested with 64-bit HEC-HMS models before v. version 4.8 (v. 4.5/4.6/4.7). . This version of the adapter has been backported to the Stable2020.02, NA2020.02 and later branches. In November 2022 the HEC-HMS adapter has been updated to work with HEC-HMS models of version 4.9.
Operating HEC-HMS Model and FEWS Adapter
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- FEWS CEMIG (Jan Talsma, Dirk Schwanenberg)
- FEWS Salto Grande (Jan Talsma, Otto de Keizer)
- FEWS Colombia (Micha Werner, Otto de Keizer)
- Bandon FFS (Jan Verkade, in co-operation with University College Cork)
- Mura Drava FFS (Jan Verkade, in co-operation with the University of Zagreb)
- FEWS Sava (Klaas-Jan van Heeringen, Daniel TollenaarMatthijs Lemans, Arjen Haag)
- FEWS Velika Morava (Klaas-Jan van Heeringen, Matthijs Lemans)
In October 2019 the HEC-HMS adapter was improved with Parameter Updating capabilities for the preAdapter and updated to work with HEC-HMS models of version 4.2.1. This adapter is implemented in the following configurations:
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- FEWS Manitoba Hydro (Ivo Miltenburg, Ben Balk)
- FEWS NewFoundland (Matthijs Lemans)
Download
Download of the model adapter is not available here: please e-mail to Delft-FEWS Product Management for more information.
A tutorial of how to add a HEC-HMS model as an adapter in FEWS is attached.
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Also note that the HEC-HMS adapter does not (completely) convert the HEC-HMS model run log files to pi-xml diagnostics files. Instead, the configuration has been set up to directly parse the HEC log file
Pre Adapter
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HEC-HMS Parameter updating
A development (October 2019) for the HEC-HMS adapter (for HEC-HMS models with version 4.2.1) has made it possible to update parameters. The following parameter updates are supported:
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