摘要
通过对蓄水的中小型城区河段水文、水力特征以及水体物理、化学、生态等特征的分析,结合这类河段的底泥多且污染较重,底泥耗氧比例较大的特点,对传统的D obb ins—C am p水质模型作了适当的修正;并通过对河段概化,以修正后的一维稳态D obb ins—C am p水质模型为基础,建立了计入了河段内全部排污口及汇入支流的BOD—DO耦合关系矩阵水质模型;把建立的BOD—DO耦合关系矩阵水质数学模型应用于广东某城市蓄水城区河段水体的BOD和DO的模拟中,得到了良好的模拟效果。
By analyzing the characteristics of hydrology, hydraulics, physics, chemistry and ecology in the small-mid scale water storage in city reaches, considering rather heavy pollution and sediment in these reaches, this paper made a reasonable correction on the classical Dobbins-Camp water quality model, based on the amendable, steady and one-dimensional Dobbins-Camp water quality model established a matrix water quality model of BOD-DO which including all discharge channels and anabranches within these reaches. This model has been used to simulate the course of BOD and DO changes to gain a good result in water storage in city reach of Guangdong Province.
出处
《水资源与水工程学报》
2006年第3期62-67,71,共7页
Journal of Water Resources and Water Engineering
关键词
水质模型
BOD-DO耦合模型
底泥耗氧
等效源
蓄水城区河段
water quality model
BOD-DO coupling model
sediment oxygen demand
equivalent headstream
water storage in city reach
