金华地区的干旱特征研究

On The Drought Characteristics of Jinhua Region

金华地区的干旱具有时间分形结构。无标度区越宽,时间分维值越小,干旱周期越长,干旱灾害越严重。1997～2000年金华地区还可能出现2个左右的千早年,而21世纪的第一个10年(2001～2010)年,试区出现的干旱状态仍属于中等偏多年。

The drought of Jinhua region has structure of time fractal. The wider non-scaling range and the smaller value of time fractal dimension is, the longer period of the drought and the more serious disaster of the drought is. There may be about two drought years at Jinhua region in 1997~2000. The drought condition of Jinhua region will belong to years from medium to more in first 10 years of the 21st century(2001~2010).