Social science research calls for the explorative modelling of complex problem domains. A modelling tool that aims at supporting this kind of effort has to strike the balance between offering sufficient flexibility for free exploration on the one hand and effective measures to relieve the...

The computer based model presented in this paper regards strategies for water supply companies to deal with nitrate pollution of groundwater aquifers. In Germany, as well as in many other European regions, nitrate pollution is one of the most important problems for water protection and water...