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. 2015 Oct 26;51(10):8431–8449. doi: 10.1002/2014WR016770

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© 2015. The Authors.

This is an open access article under the terms of the Creative Commons Attribution‐NonCommercial‐NoDerivs License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non‐commercial and no modifications or adaptations are made.

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Conceptual model of water source functionality. Determinants marked with an asterisk are significant (p < 0.05) in multivariable regressions; determinants marked with a dagger are significant (p < 0.1) in multivariable regressions; determinants in dashed boxes and gray type were not directly measured.; green arrows (→) indicate effects predicted to modify the rate of repair; red arrows (→) indicate effects predicted to modify the rate of failure; thin arrows (→) indicate indirect effects on functionality; thick arrows (→) indicate direct effects on functionality.