The environmental risk assessment for decision support system for water management in the vicinity of open cast mines (DS WMVOC)

Abstract The paper presents risk assessment methodology used within a Decision Support System for Water Management in the Vicinity of Open Cast Mines (DS WMVOC). The DSS was designed to aid in decision making regarding ground and surface water resources, by two potentially conflicting stake holders in Konin county (Central Poland) that is, the County Administration and the open pit mine industry. Estimates of potential changes in groundwater head are achieved by numerical modelling of the groundwater system in which the open cast mines and receptors are located. The evaluation of spatially and time‐distributed environmental risk is obtained by means of GIS supported Monte Carlo methodology. Calculations can be run in the DS WMVOC resulting maps of the risk to different receptor types, and maps of relative risk for different abstraction or dewatering scenarios, as well as an overall risk value for the region. Estimation of the magnitude of any adverse impact is related to the element (type of receptor) bei...

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