The main objective of the WSM300 project is the development of a methodology which guides and supports an improved water resources management on the level of small watersheds (up to 300 km²). The developed methodology is to be implemented into a software based tool within the framework of a generic Decision Support System (DSS). (Leichtfuss 2003, Schröter 2004). Core of the DSS is a "decision matrix", which has been implemented as a web based application (www.wsm300.de). The management objectives are represented by the indicators labeling the rows. They will be the result of a discussion of the objectives and problems in the specific sub-basin, which is supported by the catalogue of indicators. The matrix, once the labels are defined, serves as a plot for the planning process, defining clearly which objectives have to be considered and which indicator-values have to be calculated. The DSS further includes a concept and tools for the combination of existing software components and supports the processing of model-outputs to indicator-values. Filled with the indicator-values, the matrix allows a comparison of the scenarios and provides a good basis for a decision. If desired, multi-criteria decision aid methods can further help find the optimal scenario and mediate between stakeholders. As a co-product of the web-based DSS, the "River-Information-System" was established informing the public about the newest developments in their catchment.
Development of a decision support system for integrated water resources management in intensively used small watersheds
H. Sieker, S. Bandermann, K. Schröter, M. Ostrowski, A. Leichtfuss, W. Schmidt, E. Thiel, C. Peters, R. Mühleck; Development of a decision support system for integrated water resources management in intensively used small watersheds. Water Practice and Technology 1 March 2006; 1 (1): wpt2006004. doi: https://doi.org/10.2166/wpt.2006.004
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