The MARASMA Web-GIS DSS is composed by the following main elements:
- A Web-GIS-based graphical user-interface
- A database, mainly accessible through the user-interface
- A set of raster-based models and utilities
- An intelligence engine that manages the connectivity among the user-interface, the database and the raster-based models (including inter-model relationships)
Web-GIS-based graphical user-interface has the following functions:
- Represents geographic data and spatial variable
- Allows a physical tessellation of the project domain
- Allows the visualization of results
- Allows the creation of new physical configurations (alternative analysis)
- Define risk assessment scenario and running simulation
- Interacts with the database, transcribing spatial information to model_specific inputs.
The database includes all type of information organized in several layers: geographical, climatic, environmental, socioeconomic, etc. It interacts with the user-interface, extracting information needed for each particular mode, and includes pre-processing tools, that provide linkage utilities between the user interface and the database, on how to translate the physical space to the language of each particular model. It is important that the database allows easy or even automatic import/export operations with official databases.
Consists in a set of specifically designed raster based models able to quickly evaluate and mapping the flooding characteristics, the related damages and risk for receptors (social, economic and environmental) and finally to merge multiple risk criteria in a single one. Knowledge engine: The knowledge engine will coordinate the different process_specific modules, facilitating the communication among them. It will have the following functions:
- The creation of scenarios, including all types of variables and internal evolution rules.
- Sensitivity analysis of some results, with respect to specific drivers.
- Integration of results from the different modules.