徒骇河聊城市河段水环境质量评价_姚志远.pdf

( ), 2009, 40 ( 3): 46 1- 464 Journal of Shandong Agricu lturalUn iv rsity ( Natural Sci nc ) 姚志远 ( , 400716) : , , , 2005~ 2007 , : ; ; ; ; : X 834 : A : 1000- 2324( 2009) 03- 0461- 04 EVAHUATION ON THE WATER ENVIRONM ENTAL QUALITY OF THE TUHAI RIVER BASIN IN LIAOCHENG CITY YAO Zh i- yuan ( Coll g ofR sourc s and Env ironm nt, Southw stU n iv rsity, Chongqing 400716, Ch ina) Abstract: TuhaiR iv r is on of th thr m ajor tributari s of th H aih R iv r, w hich flow s through aw id ar a, villag s and towns. Th w at r quality of th is riv r has an ff ct on r sid nts and coastal conomy. It us s singl - factor ind x m thod and fuzzy compr h nsiv valuation to acc ss th w at r quality of Tuhai R iv r allording to th t sting r su lts from th y ar 2005 to 2007. Th r su ltsw r compar d and analyz d. W at r pollution pr v n- tionw as d issudd d. K ey w rds: TuhaiR iv r; th ass ssm nt ofw at r nvironm ntal quality; singl ) factor ind x m thod; fuzzy com- pr h nsiv valuation; w at r pollution pr v ntion 1 1. 1 Ó, Ô , Ô, 1. 2 COD , , ; , , , , , 1. 3 , 21, COD : 2007- 04- 19 : ( 1990- ), , , # 462# () 40 2 2. 1 56 ( GB 3838) 2002) [ 1] , , CODBOD 2. 2 2. 2. 1 单因子指数法 , : P = C /S i i i : P) ) ) i; Ci) ) ) i( mg/L); S i) ) ) i(mg/L) [ 2 ] P 1; P = 1 P 1; P , i i i i 2. 2. 2 模糊综合评价法 ,