Institution: | (1) Division of Hydrologic Sciences, Desert Research Institute, Reno, NV 89512, USA;(2) Department of Geology and Geological Engineering, Colorado School of Mines, Golden, CO 80401, USA;(3) Department of Mathematics and Statistics, University of Otago, Dunedin, New Zealand;(4) Department of Mathematics, University of Nevada, Reno, NV 89557, USA |