DINAS coast


The DINAS COAST project was finalised in 2004. The DIVA Tool is one of the main deliverables of the DINAS-COAST project. This tool combines the modules and data. The tool itself consists of an intuitive Graphical User Interface (GUI) from which input may be inspected and specified, the model calculation started and the results analysed. Maps, tables and charts support the inspection and editing processes. To make use of the help functionality while using the tool, a context-sensitive, HTML based help file has been created.

The DIVA Graphical User Interface underwent extensive development in 2004.

The basis of the DIVA GUI is generic for all simulation models that connect to the model database. The model database consists of a collection of input / output and scenario files in the Delft Hydraulics HIS file format.
The actual model calculation is a sequence and feedback of modules focusing on different effects of sea level rise.
Screen shot of DIVA, showing a map and a chart

The individual modules are being developed by the project partners. Delft Hydraulics contributed 2 of the 10 modules: River Effect Module and Indirect Erosion Module.

The River Effect Module calculates, based on the selected climate change scenario, the impacts on rivers (river impact length) under normal and storm conditions. An estimation of salt intrusion length and the (land) area influenced by this increased saline environment was also calculated. The database contains 115 rivers (worldwide).

The Indirect Erosion Module focuses on Tidal Basins. Based on the ASMITA (Aggregated Scale Morphological Interaction between a Tidal basin and the Adjacent coast) algorithms, new dynamic equilibria (sand balance) are being calculated for the selected climate change scenario. In total 200 tidal basins (worldwide) are included in the central database.
more information

For further information, please contact either Gerben.Boot or Bert van de Valk