Third World Centre for Water Management

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The Transboundariness Approach and Prioritization of Transboundary Aquifers between Mexico and Texas

“Transboundariness” refers to a new approach that identifies and prioritizes transboundary aquifers using socio-economic and political criteria, improving their characterization by using other variables in addition to their mere physical boundaries. This approach is applied to the hydrogeological units/aquifers shared by Mexico and Texas, with the following results. First, the rankings agree with the current level of attention to transboundary aquifers in the region by both countries, providing a quantifiable system that could be tested in other transboundary aquifers. Second, this approach provides a holistic and integrative perspective for transboundary aquifer assessment and prioritization. Third, this prioritization exercise expands the criteria currently used into a more integrative regime of groundwater links to the community as a whole. Finally, the results reflect not only how the transboundary aquifers are being used (or neglected) but also the socio-political context of the populations that depend on these resources for current and future development.

Rosario Sanchez, Laura Rodriguez and Cecilia Tortajada, 2018, “The Transboundariness Approach and Prioritization of Transboundary Aquifers between Mexico and Texas”, Ambio, Volume 47, Issue 7, pages 760-770. DOI: 10.1007/s13280-018-1015-1

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