The “Transboundary Index” as a measure of the magnitude of groundwater flow across political boundaries: development and application on the Allende-Piedras Negras Aquifer.

Laura Rodriguez, Texas A&M University College Station, College Station, TX, United States, Rosario Sanchez, Texas A&M University, Texas water Resources Institute, College Station, TX, United States and Hongbin Zhan, The University of Texas at Arlington, Arlington, TX, United States