Trinkwasserschutzgebiete |
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Authors: | Rainer Brüggemann Gerhard Ginzel Christian Steinberg |
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Institution: | 1. Abteilung ?kohydrologie, Institut für Gew?sser?kologie und Binnenfischerei im Forschungsverbund Berlin, Rudower Chaussee 6, D-12484, Berlin-Adlershof
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Abstract: | Conflict are frequently observed when drinking water protection areas are to be defined and when many variants of how to protect these area are to be found. Using ten potential scenarios, a method is presented here which shows how such conflicts concerning these variants may be handled in a systematic manner. The technique is derived from the use of partially ordered sets and their visualization by Hasse diagrams. The first step is to define rankings of different variants according to each aim of protection. A further step is to define an appropriate relationship of order. It is then possible to visualize the extent of consensus and of dissension through the use of a Hasse diagram. The final step is to quantify the importance of each protection aim and the initialization of an iteration. Should a complete consensus be found, this would result in a chain of (connected) variants. Should a complete dissension be found on the other hand, an antichain would then result (i.e. where all variants are isolated). |
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