LIANA Model Integration System - architecture, user interface design and application in MOIRA DSS

Abstract

Abstract. The LIANA Model Integration System is the shell application supporting model integration and user interface functionality required for the rapid construction and run-time support of the environmental decision support systems (EDSS). Internally it is constructed as the framework of C++ classes and functions covering most common tasks performed by the EDSS (such as managing of and alternative strategies, running of the chain of the models, supporting visualisation of the data with tables and graphs, keeping ranges and default values for input parameters etc.). EDSS is constructed by integration of LIANA system with the models or other applications such as GIS or MAA software. The basic requirements to the model or other application to be integrated is minimal -it should be a Windows or DOS .exe file and receive input and provide output as text files. For the user the EDSS is represented as the number of data sets describing scenario or giving results of evaluation of scenario via modelling. Internally data sets correspond to the I/O files of the models. During the integration the parameters included in each the data sets as well as specifications necessary to present the data set in GUI and export or import it to/from text file are provided with MIL LIANA language. Visual C++ version of LIANA has been developed in the frame of MOIRA project and is used as the basis for the MOIRA Software Framework -the shell and user interface component of the MOIRA Decision Support System. At present, the usage of LIANA for the creation of a new EDSS requires changes to be made in its C++ code. The possibility to use LIANA for the new EDSS construction without extending the source code is achieved by substituting MIL LIANA with the object-oriented LIANA language.

Modelling and assessment of the impact of radiocesium and radiostrontium contamination in the Thermaikos Gulf, Greece

“…The ranking of the different feasible interventions is performed by Multi-Attribute Analysis procedures that account for the abovementioned impacts (Ríos-Insua et al, 2006). An operating system connects all the components of the CDSS consisting in the software realisation of the mathematical models, a graphical user interface and a GIS (Geographic Information System) with the associated databases for the aquatic systems of interest (Hofman, 2004(Hofman, , 2005. In particular, radionuclide migration is assessed by a structured set of PowerSim® (Powersim Corporation, 12007 Sunrise Valley Drive, Reston, VA 22091, USA) codes (Monte, 2001).…”

Regional-scale application of the decision support system MOIRA-PLUS: an example of assessment of the radiological impact of the Chernobyl accident on the fresh water ecosystem in Italy

“…MOIRA-PLUS is based on: a) Environmental models for predicting the levels of radionuclide contamination in the fresh water environment, the consequent radiation doses to man and the effects of selected countermeasures Jiménez and Gallego, 1997); b) A Multi-Attribute value Analysis (MAA) module to evaluate the effectiveness of the countermeasure strategies by accounting for their benefits and for the social, ecological and economic detriments and costs Ríos-Insua et al, 2006); c) A software system consisting of: 1) software realisation of the mathematical models; 2) a GIS (Geographic Information System) and associated databases to select the aquatic system of interest and, if necessary, the environmental data required to run the models; 3) a graphical user interface; 4) an operating system connecting all the above parts (Hofman, 2005;Hofman and Nordlinder, 2003).…”