MEASUREMENT AND COMPUTED SIMULATION OF DOSE DISTRIBUTION IN IRRADIATED CHINESE MEDICINE Influences of error distributions of net ecosystem exchange on parameter estimation of a process-based terrestrial model CARBON CYCLE MODELING OF A BROAD-LEAVED KOREAN PINE FOREST IN CHANGBAI MOUNTAIN OF CHINA USING THE MODEL-DATA FUSION APPROACH Changes in land use and land cover and soil organic carbon storage in the densely populated village landscapes of China′s Yangtze Plain from the 1940 to 2002