Earth System Science: A Program for Global Change

agencies analysis atmos atmospheric biogeochemical cycles biological calibration carbon chemical chemistry components convection coordinated core DECADES TO CENTURIES dynamics Earth Observing System Earth system science ecosystems evolution Explorer Mission field Figure fluxes foci and process geoid global change global measurements global variables IGBP images important information system infrared interactions International LAGEOS land land-surface launch lidar lithosphere long-term major mantle measurements of global ments microwave models nations needed NOAA NOAA NOAA nutrient observing program ocean circulation operational orbit ozone Paleoclimate physical climate system plate plate tectonics platforms polar polar-orbiting precipitation prediction process studies program for Earth radar radiation Radiometer remote-sensing research foci role Satellite Scatterometer scientific sea-ice sea-surface seismic seismic tomography sensors solar space spacecraft stratospheric subsystems surface system for Earth techniques temperature terrestrial THOUSANDS TO MILLIONS timescales of decades tion TOPEX/Poseidon topography Tropical Tropospheric understanding USGS vegetation WCRP WOCE