BIOSPHERIC ASPECTS OF THE HYDROLOGICAL CYCLE GLOBAL ENERGY AND WATER CYCLE EXPERIMENT GEWEX and BAHC Improve the Modelling of Water and Carbon Cycle Linkages

Understanding the flows of CO2, water and energy to and from the terrestrial ecosystems is thebasis for revealing roles of terrestrial biosphere in global environmental change. This requires constantmonitoring of diverse ecosystems, rapid sharing of quality-controlled data among the global sciencecommunity and multidisciplinary synthesizing of scientific findings. This session welcomes reports fromthe following topics: Multi-year tower flux measurements; measurements from under-represented eco-systems (savannahs, tropical rainforests, wetlands, etc.) and regions (Asia, Africa, Eastern Europe andSouth America); cross-vegetation type and cross-climate type flux comparisons; partitioning of netecosystem exchange (NEE) or net ecosystem productivity (NEP) using multiple methods such as stableisotopes, chamber, night time flux extrapolation, light response functions, etc.; impacts of clouds, fronts,extreme weather events, El Niño on flux exchanges; controls of site conditions, stand age, successionstages, canopy structures, species diversity on flux exchanges; Scaling-up of tower flux measurements;validation of SVAT models for multi-temporal and spatial scales; interpretation and validation of resultsfrom remote sensing such as MODIS-derived products and atmospheric inversion; development of a glo-bal network of flux towers. Conveners: Lianhong Gu, University of California at Berkeley, Ecosystem Science Division, Departmentof Environmental Science, Policy and Management, 151 Hilgard Hall, Berkeley, CA 94720 USA, phone:+1-510-642-2421, fax: +1-510-643-5098, e-mail: [email protected]; Dennis Baldocchi,University of California, Berkeley, Ecosystem Science Division, Department of Environmental Science,Policy and Management, 151 Hilgard Hall, Berkeley, CA 94720 USA, phone: +1-510-642-2874, fax: +1-510-643-5098, e-mail: [email protected]; Steven W. Running, University of Montana,School of Forestry, Missoula, Montana 59812 USA, phone: +1-406-243-6311, fax: +1-406-243-4510,email: [email protected].