Institution: | (1) Department of Hydrology and Water Resources, The University of Arizona, Tucson, AZ 85721, USA Fax: +1-520-621-1422 e-mail: neuman@hwr.arizona.edu, US;(2) Water Resources Administration Program, Department of Earth and Planetary Sciences, University of New Mexico, Albuquerque, NM 87131-1116, USA, MX |