Sustainable groundwater management in water-scarce countries is a pragmatic example of the necessity to guide future decision-making processes by simultaneously considering local needs, environmental problems and economic development. For these reasons the new socio-hydrogeological approach, Bir Al-Nas, proposed by Re (2015), has been tested in the Grombalia region (Cap Bon Peninsula, Tunisia), to evaluate the effectiveness of `complementing hydrogeochemical and hydrogeological investigations by considering the social dimension of the issue at stake. Within this approach the social appraisal, performed through Social Network Analysis and public engagement of water endusers, allowed hydrogeologists to get acquainted with the institutional dimension of local groundwater management, identifying issues, potential gaps, such as weak knowledge transfer among concerned stakeholders, and the key actors likely to support the implementation of new science-based management practices resulting from the ongoing hydrogeological investigation. Results hence go beyond the specific relevance for the Grombaila basin, showing the effectiveness of the proposed approach and the importance to include social 2 assessment in any given hydrogeological research aimed at supporting local development through groundwater protection measures.
Translating scientific findings into concrete action for (ground)water protection should be fundamental component of any hydrogeological and hydrogeochemical assessment, thus ensuring that scientific outcomes have a positive impact in the real world. To this purpose, understanding the water-related issues and the perceived criticalities by the water users is an asset, especially for earth scientists who are often the first contact with local communities during in situ measurements. By presenting the results of a socio-hydrogeological assessment in the Inle Lake area, this paper aims at demonstrating the feasibility and added value of this approach. In conjunction with groundwater sampling, public engagement activities were conducted by administering semi-structured interviews at a household level in each monitoring site. Hydrogeochemical data show that groundwater is characterized by an elevated hardness and by the presence of trace metals in solution due to the low redox potential. The work provides suggestions on how to translate the hydrogeochemical information associated to (i) the impact of climate change on water supply and availability, and (ii) the presence of geogenic groundwater contamination (Fe, Mn, As) into accessible information for local communities and water users’ associations. Sharing knowledge and promoting capacity building would also help to assess the reasons for the discrepancy between self-reported perception of groundwater quality (e.g., hardness) and analytical results.
Sustainable water resources management roots in monitoring data reliability and a full engagement of all institutions involved in the water sector. When competences and interests are overlapping, however, coordination may be difficult, thus hampering cooperative actions. This is the case of Santa Cruz Island (Galápagos, Ecuador). A comprehensive assessment on water quality data (physico-chemical parameters, major elements, trace elements and coliforms) collected since 1985 revealed the need of optimizing monitoring efforts to fill knowledge gaps and to better target decision-making processes. A Water Committee (Comité de la gestión del Agua) was established to foster the coordinated action among stakeholders and to pave the way for joint monitoring in the island that can optimize the efforts for water quality assessment and protection. Shared procedures for data collection, sample analysis, evaluation and data assessment by an open-access geodatabase were proposed and implemented for the first time as a prototype in order to improve accountability and outreach towards civil society and water users. The overall results reveal the high potential of a well-structured and effective joint monitoring approach within a complex, multi-stakeholder framework.
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