基于总磷的长湖水环境容量核算.pdf

34 6 Vol34 N o6 2009 6 ENVIRONMENTAL SCIENCE AND MANAGEMENT June 2009 : 1674- 6139( 2009) 06- 0043- 05 王钪, 卢进登, 梁雄兵, 陈红兵 ( , 430062) :在对长湖流域水资源状况水质现状水文条件调查的基础 , 根据水质目标的要求, 利用纳污水体的 概率型水环境容量模型, 对基于总磷的长湖水环境容量进行了核算结果表明:长湖的水环境容量是动态变化 的, 而模型的选取和参数的取值对概率型水环境容量的计算非常关键通过计算分析得到长湖磷的概率水环 境容量为: 19% 丰水期: 4 19 t/a~ 459 t/ a; 49% 平水期: 318 t/a~ 419 t/ a; 32% 枯水期: 118 t/a~ 318 t/a :概率型水环境容量; 水质模型; 总磷; 长湖 : X26 : A T e Calculation onW ater Environmental Capacity Based on TP in C ang u W ang Kang, Lu Jindeng, L iang X iongb ing, C en Hongb ing ( Factualty of R esourses and Environment, HubeiUniversity, W u an 430062, C ina) Abstract:T e t esis is adopted to C ang u lake basinwater resource state, water quality current situation, foundation t at in vestigate of ydrology terms, and according to t e request ofwater quality goal, calculates t e environmental capacity of water based on t e TP by t e existing probability type env ironmental capacity ofwater of receiving t e sewage body. T e result s ows t at: T e environmental capacity ofwater of getting t e lake is dynam ic c ange, t e c oosing ofmodel am ong t em and calculation of t e probability type env ironmental capacity of fetc ing value of t e parameter are t e key. T roug environmental capacity of probability water of getting t e C ang u Lake p osp orus of computational analysis being, 19% wet season: 419 t/ a~ 459 t/ a; 49% period w en a river is at its normal levels: 318 t/ a~ 419 t/ a; 32% dry seasons: 118~ 318 t/a. eywords: probability type environm ental capacity ofwater; watermode;l TP; C ang u Lake [ 4]