(1) Fresh Water. We are especially interested in applicants who will develop a world class research program involving the physics and/or chemistry of hydrologic systems and processes and will complement and potentially collaborate in areas such as hydrogeology, geomorphology, atmospheric science, climate dynamics, glaciology, and/or biogeochemistry. We welcome applicants who conduct research using laboratory, field, remote sensing, and/or modeling tools. Next review date: November 23, 2016. (2) Global Biogeochemistry. We are especially interested in applicants who integrate and apply computer modeling and/or field and laboratory observations to investigate the interactions of biogeochemical systems/processes across or at the interface of marine and terrestrial environments on regional to global scales, and on human to geologic time scales. Next review date: December 1, 2016.