摘要
针对河水流量变化大这一特点,采用以对数正态分布理论为指导的随机计算模式,以近十年90%保证率最枯月平均流量为设计流量,确定黄河兰州段主要污染物的容许排污量,即水环境风险容量。
The stochastic model based on lognormal is adopted in studying the river water environmental risk capacity due to the great fluctuation of the flow of the Yellow River's Lanzhou reach.The risk capacity is calculated with ten-year(1990-2000)hydrological data,from which the least average monthly flow is obtained.
出处
《环境科学与技术》
CAS
CSCD
北大核心
2006年第6期72-73,100,共3页
Environmental Science & Technology
关键词
概率稀释模型
对数正态分布
环境风险容量
总量控制
probabilistic dilution model
lognormal distribution
environmental risk capacity
total capacity control
