IDENTIFICATION METHOD FOR THE LEVEL OF ENVIRONMENTAL SAFETY OF WATER BODIES
Abstract
A method for identifying the environmental safety of water bodies under conditions of uncertainty has been developed using systems analysis methods and a multicriteria approach. Improving the adequacy of identification involves searching for a more suitable criterion and using multiple criteria that comprehensively describe the goal of identifying the environmental safety level of water bodies and complement each other. The determination of environmental safety in the context of the requirements of the Water Code of Ukraine should be structured according to integrated criteria. The proposed identification method uses techniques for calculating scores of various factors that characterize the components of specific criteria. The objectivity of the identification process is ensured by using criteria that provide a sufficiently complete chain of assessment features of threats. The identification procedure is based on multicriteria evaluation approaches with subsequent aggregation into an integral index that defines the water body's environmental safety level. During the identification procedure, the values of indicators and indices of relevant characteristics are mapped to corresponding evaluation scales. The arguments of the target identification function, which are features of the evaluation factors according to their respective criteria components, are expressed as dimensionless scores. The identification problem for natural or artificial objects under uncertainty is solved using systems analysis methods and a multicriteria approach, and it is reduced to comparing the resulting scores and ranking them by a set of partial or integral criteria (index). The use of the Analytic Hierarchy Process to justify the contribution of comprehensive components to assessing the environmental safety level of Ukraine's water bodies is a key element that made it possible to select the most appropriate assessment methodology.
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