Analyses and Simulations for the Physical Reasons of Drought and Flood in the Yellow River Valley

The evolution of drought and flood in the Yellow River Valley for the last 500 years has been analysed. Sensitivity experiments as simulated by several famous GCMs to examine the influences of the physical factors on the climatic change in north China have been summarized. Statistic correlation analysis between the drought and flood in the Yellow River Valley and some physical factors for the observed data have been calculated