Xiangjiang

Zishui

Yuanjiang and Lishui

flowing in mountainous region

are heavy rain rivers with frequently occurring flood water logging disasters. Based on analyzing the data of flood disasters in about ten years

some conclusions about integrate features of the flood water logging disasters are got as follows: high frequency

simultaneously occurrence and regional difference. In temporal distribution

the flood represents seasonal

annual and periodical aspects. In spatial distribution

mountain torrents repeat in upper and middle reaches in mountainous and hilly area. Flooding and water logging interweave repeat in middle and lower reaches over valley plain

coexist in the lower reaches. Furthermore

the severity and frequency of the disasters being enlarged day by day. So redution strategies are put forward in order to reduce the loss.