山东省临沂市是一座新兴的中等城市,是沂蒙山区乃至整个鲁东南地区的政治、经济、文化中心和重要交通枢纽,也是具备一定规模、发展迅速、活跃繁荣的商贸城,城市规划扩展面积57平方公里,市区人口30多万人。1993年8月4日至5日,临沂地区普降特大暴雨,临沂城区21小时降雨量达312毫米。据临沂水文站测算,雨型达到50年一遇。8月5日,临沂城区成了一片泽国,全城有80％的地面积水,平均水 Linyi City, Shandong Province is an emerging medium-sized city. It is the political, economic, and cultural center and important transportation hub in the Yimeng Mountain and even the entire southeastern region of Shandong. It is also a commerce and trade city with a certain scale, rapid development, and prosperous prosperity. The urban planning expansion area is 57 In square kilometers, the urban population is more than 300,000. From August 4th to 5th, 1993, there were torrential rains in the Linyi region, and 21 hours of rainfall in Linfen City amounted to 312 mm. According to estimates from the Linyi Hydrometric Station, the type of rain will reach 50 years. On August 5, Linfen City became a country of razor-shadows. The entire city has 80% of its water area and average water.