金衢盆地的洪涝特征

CHARACTERISTIC OF THE FLOOD- WATERLOGGING IN JINHUA- QUZHOU BASIN

金衢盆地的洪涝具有时间分形结构 .无标度区越宽 ,时间分维值越小 ,洪涝周期越长 ,洪涝灾害越严重 . 1 997～ 2 0 0 0年金衢盆地出现洪涝年的可能性比较小 ,而 2 1世纪的第一个十年 (2 0 0 1～ 2 0 1 0年 ) 。

The flood- waterlogging of Jinhua- Quzhou Basin has a time fractal structure.The wider the non- sacling range and the smaller the value of time fractal dimension is,the longer the period of the flood- waterlogging and the mord serious the disaster of the flood- waterlogging is. The possibility of Jinhua- Quzhou Basin arising the flood- waterlogging year will be comparatively small from1 997to2 0 0 0 .The flood- waterlogging year of Jinhua- Quzhou Basin will be slightly few in first1 0 a of the2 1 st century (2 0 0 1～ 2 0 1 0 ) .