3D HYDRO ENVIRONMENTAL MODEL OF DISSOLVED OXYGEN DISTRIBUTION IN YANGTZE ESTUARY

被引：2
|
作者：
Wang, Yigang [1 ]
Li, Xi [2 ]
机构：
[1] Hohai Univ, Minist Educ, Key Lab Coastal Disaster & Def, Nanjing 210098, Peoples R China
[2] Hohai Univ, Coll Ocean & Traff Engn, Nanjing, Jiangsu, Peoples R China
来源：
ADVANCES IN WATER RESOURCES AND HYDRAULIC ENGINEERING, VOLS 1-6 | 2009年
关键词：
dissolved oxygen; Yangtze Estuary; hydro environmental model;
D O I：
10.1007/978-3-540-89465-0_119
中图分类号：
TV21 [水资源调查与水利规划];
学科分类号：
081501 ;
摘要：
By application of hydro environmental model EFDC in Yangtze Estuary, temporal and spatial variation of dissolved oxygen demand (DO) distribution was obtained by setting up a 3D water quality calculation. Also field observation data were available and compared with the numerical results. Referred to figure 1 and figure 2, it is concluded: the concentration of DO in north branch is much higher than in south branch due to consumption of oxygen in south branch by sewage discharge from Shanghai; The concentration of surface is larger than that of bottom layer; there is a low concentration area below 20m contour line, and high concentration between 20m and 30m contour line; it also prove the EFDC model is of satisfactory accuracy in water quality modeling of Yangtze Estuary.
引用
收藏
页码：680 / +
页数：2
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