Penn State's Earth System Science Center brings together the Departments of Geosciences, Meteorology, Geography, and Energy, Environmental, and Mineral Economics to search for links between the Earth's physical processes and past and future global change. The Center coordinates and conducts extensive research related to the global water cycle, the biogeochemical cycles, Earth System history, and ...

NASA Earth Observing System - Interdisciplinary Science Investigation About the Earth Observing System The Terrestrial Ecosystem Model and Beyond The Drainage Basin Model Educational Activities Publications Notes Documents Changes in Biogeochemical Cycles Annual Reports in Adobe Acrobat PDF Format 1992 1993 1994 1995 1996 1997 1998 Return to CSRC Home Return to EOS Home You are the 7396th ...

Life and Biogeochemical Cycles Life on earth is inextricably linked to climate through a variety of interacting cycles and feedback loops. In recent years there has been a growing awareness of the extent to which human activities, such as deforestation and fossil fuel burning, have directly or indirectly modified the biogeochemical and physical processes involved in determining the earth's ...