Water quality in Sepetiba Bay, Brazil

被引:27
作者
Copeland, G
Monteiro, T
Couch, S
Borthwick, A
机构
[1] Univ Strathclyde, Dept Civil Engn, Glasgow G4 0NG, Lanark, Scotland
[2] Fiocruz MS, ENSP, BR-21041210 Rio De Janeiro, Brazil
[3] Oregon State Univ, Coll Ocean & Atmospher Sci, Corvallis, OR 97331 USA
[4] Univ Oxford, Dept Engn Sci, Oxford OX1 3PJ, England
基金
英国工程与自然科学研究理事会;
关键词
coastal water quality; total coliform; sewage per capita discharge; hydrodynamic model; advection dispersion model; adaptive quadtree mesh;
D O I
10.1016/S0141-1136(02)00289-1
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
Sepetiba Bay is located at 23degrees S, 44degrees W in Rio de Janeiro State, Brazil. Water samples were taken at eight locations adjacent to the north shore of the. Bay, near to villages and towns without sewage treatment provision. The samples were analysed and total and faecal coliform concentrations determined. A hydrodynamic model of the Bay. was used together with a species dispersion model based on an adaptive quadtree mesh to predict faecal concentrations in the Bay. Effluent sources used in the model were defined using population data from census returns with flow and concentration values estimated using standard values recommended by the World Bank (WB) and the World Health Organisation (WHO). Sufficient agreement was obtained between the measured and predicted concentrations to support the use of WB and WHO summary statistics to estimate sources of sewage. (C) 2003 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码:385 / 408
页数:24
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