Abstract:
According to the historical data of the drought and waterlogging of 527 years, this paper gives some statistical characteristics of the drought and waterlogging in Jinqu Basin as follows: (1) the 17th century is a frequent period occurred the drought and waterlogging in Jinqu Basin; (2) there are different period of the drought and waterlogging; (3) the drought and waterlogging has structure of time fractal; (4) the drought and waterlogging respond well to the sunspot action and the El Niño event.