CC-WARE Methodological Approach

The methodological approach is outlined according to the three objectives.

1. Characterisation and mapping of vulnerability (Work Package 3)

The vulnerability indicators (climatic, hydrological, geographical, socio-economic) representing SEE are selected. Then the spatial scale of indicators called investigation units is determined (note: reconciliation is needed between different indicators, e.g. climatic versus socio-economic), and the indicator data are collected. Next, a water quantity vulnerability index (VI) and a water quality VI is defined, and calculated for all investigation units over SEE. The maps of water quantity and water quality VI represent SEE conditions under climate change. A similar methodology is used to assess and classify drinking water vulnerability, but the set, structure and relative importance of the indicators will be modified according to drinking water supply conditions.

2. Management options for mitigating vulnerability of drinking water resources (Work Package 4)

Four climate change adaptation options relevant to SEE are selected: land use change, ecosystem services, improving water use efficiency and economic incentives for water management (mostly water demand management. Land use changes and relevant legislations will be analysed and ways for the improvement of regulations recommended. The impact of reducing water losses in waterworks and userĀ“s water saving practices on water supply vulnerability will be evaluated. The greatest emphasis will be on the assessment of ecosystem services. Benefits of best practices among others will be evaluated from the actual case of Vienna Waterworks. Finally, the possibility of improving ecosystem services under climate change will be highlighted.

3. Development of a transnational strategy for national/regional action plans (Work Package 5)

The development of a transnational strategy for national /regional action plans can be assured by integrating results of the previous WPs. Namely, the evaluation of the water quantity and quality vulnerability maps and the considered management options will be used to develop an integrated transnational strategy. This strategy will be in harmony with European initiatives (EU2020, WFD, EC White Paper on CC, EC Communication on Water Scarcity and Droughts, Danube Region Strategy) and it will provide the way how to respond on the increasing vulnerability of drinking water supply all over SEE. The strategy is considered to be the basis of future national/regional action-plans to reduce vulnerability. To this end, guidance will facilitate how to select appropriate management options for the investigation units depending on their vulnerability index categories. Here, the different actual governing/legislative structure of the countries will be accounted to obtain realistic and realisable action plans. The knowledge gained in the project will be transferred to pre-accession SEE countries by joint meetings, consultations and publications.