Abstract
In order to assess water efficiency options on the European scale, a multi-criteria integrative hydro-economic modeling framework has been developed. With this framework, it is possible to assess combinations of measures which could help reducing the gap between water demand and water availability, while taking into account ecological, water quality, flood risk and economic aspects. The assessed measures include water retention, water savings and nutrient reduction measures. The presented work was carried out within the framework of the “Blueprint to safeguard Europe’s waters” policy initiative of the European Commission. Contrary to earlier studies concentrating on single measures in single river basins, this study shows that this modeling environment can evaluate combinations of measures in multiple river basins that meet the considered objectives, and in general can improve various water quantity and quality indicators as compared to the baseline situation. However, additional work is needed on for example quantifying the economics of damage and benefits before the modelling environment may be used for policy advice.
Highlights
At present, having sufficient water available for all usages with sufficient quality is a grand challenge
In order to to select selectaaset setofofefficient efficient programs measures (PoMs) improve the quality quantity of water andand at the same time integrated and quantity of water at the same timeare areeconomically economicallysound, sound,we we developed developed an an integrated modeling tool (Integrated to assess the effect of each linked modeling tool (Integrated Water Modeling Platform, IWMP) to assess the effect of each programs of of measures (PoMs) linked to to an optimization model to find the Pareto strategies according to the established objectives
Since the main objective this paper is to present the integrative multi criteria methodology the application of all theoftypes of correction measures
Summary
At present, having sufficient water available for all usages with sufficient quality is a grand challenge. In general, been rapidly deteriorating in the past years, mainly due to increasing contamination of water bodies from point and diffuse sources of pollution, unsustainable use of ground water, and improper water resources management [3]. In this context, it is important to develop and to apply new management strategies and methodologies aiming to reverse the trend of water quantity and quality degradation. The efficient and effective management of water resources is as much a political as a scientific issue [4]
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