【摘要】 今天水市自西晋太始五年(269)至今一直作为天水地区政治、经济、文化中心,具有水陆兼备的交通区位优势和依山傍水的生态环境优势。文中通过对历史文献资料的搜集、整理与分析,对1400-1899年秦州地区自然灾害特征进行了初步分析,并对在此期间秦州城市洪涝灾害进行了初探。结果表明:1400-1899年秦州地区的自然灾害以干旱、洪涝、冰雹、地震四种为主,其中洪涝灾害共发生50次,平均每10年发生一次。此外,还发现在此期间秦州城共修筑12次,平均42年一次,城市洪涝灾害是其修筑的重要原因。秦州城市洪涝灾害致灾因子包括州城地处山间河谷盆地、降水集中且多暴雨、城市四周泄洪能力与防洪强度过低等。更多还原

【Abstract】 Tianshui city was always the political,economic and cultural center in Tianshui region since 269 AD,which had the advantage of the water and land transportation and was situated at the foot of a hill and beside a stream.Through collecting,researching and analyzing lots of historical materials,the characteristics of the natural disasters in Qinzhou region and the Qinzhou urban flood disasters during 1400-1899 were investigated preliminarily.The results showed that drought,flood,hailstone and earthquake were the four main natural disasters in Qinzhou region over 1400-1899.In this period,Qinzhou region had suffered from totally 50 flood disasters,once every ten years on average,and Qinzhou city was repaired 10 times,once every 42 years on average.The causes of the urban flood disasters in Qinzhou included the geographic position and the climate of Qinzhou city,the low faculty of the urban flood discharge and the low intensity of the urban preventing flood.更多还原