Biogeochemical control points in a water-limited critical zone

Jon Chorover1, Paul D Brooks2, Rachel E Gallery3, Jennifer C McIntosh4, Yaniv Olshansky5 and Craig Rasmussen5, (1)University of Arizona, Department of Environmental Science, Tucson, United States, (2)University of Utah, Geology and Geophysics, Salt Lake City, UT, United States, (3)University of Arizona, School of Natural Resources and the Environment, Tucson, AZ, United States, (4)University of Arizona, Hydrology and Atmospheric Sciences, Tucson, United States, (5)University of Arizona, Soil, Water and Environmental Science, Tucson, AZ, United States