泰安市黄前水库水质模糊综合评价

FUZZY EVALUATION ON WATER QUALITY IN THE HUANQIAN LAKE

以泰安市黄前水库为研究对象,依据1997～2010年黄前水库水质监测资料,采用模糊综合评价-加权平均复合模型对水库水质进行评价,并在此基础上分析了14 a间的水库水质变化趋势。结果表明:国家十一五规划之前整体水质较差,其中1998和2002年属Ⅴ类水;2000年属Ⅳ类水;2003年后黄前水库水质一直维持良好,基本保持Ⅰ类水。历年水质优劣顺序为:2001>1997>2010>2008>2006>2004>2009>2005>2007>1999>2003>2000>2002>1998年。

This paper assesses the quality of Huangqian Lake in Tai＇an by fuzzy assessment and weighted average method according to water quality monitor data in 1997 - 2010. The variation trends of water qulity in this period were also enaluated The results indicated that before the 11 th Five - Year Plan, the water quality of Huangqian Lake was bad generally. It belonged to the fifth level in 1998 and 2002; It belonged to the forth level in 2000 and it maintained the good state in recent years, which almost belonged to the first level. The order of better water quality during the several years was 2001,1997, 2010,2008,2006, 2004,2009,2005,2007,1999,2003, 2000, 2002, 1998.