国家防汛指挥系统工程江西景德镇水情分中心经过一年的建设和一年的试运行 ,于 2 0 0 2年 4月 2 0至 2 1日通过专家验收并正式投入使用。昌江流域是长江中下游的主要暴雨区之一 ,流域北高南低 ,三面环山 ,暴雨洪水汇流时间短 ,降雨结束至洪峰一般只有 2 0ｈ左右 ,最大流速达 4 National flood control command system project Jingdezhen Water Conservancy Center in Jiangxi Province after a year of construction and one year of trial operation, in April 2002 20 to 21 days by the experts acceptance and formally put into use. The Changjiang River Basin is one of the major rainstorm areas in the middle and lower reaches of the Yangtze River. The basin is high in the north and low in the south, surrounded by mountains on three sides. The storm flood confluence time is short, and the peak flow reaches 4