A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Land use effects on water quality in the urban agglomeration of Cuiabá and Várzea Grande, Mato Grosso State, central Brazil
This study investigates the relationship between spatial patterns of water quality and land occupation in the cities of Cuiabá and Várzea Grande, Mato Grosso state, Brazil, applying Geographic Information System (GIS) techniques and Polynomial Redundancy Analysis. The results show a strong relationship between water quality and population density, urbanization rate and regionalized low water runoff. Higher treatment rates improve oxygenation levels, but do not reduce concentrations of total nitrogen, phosphorus and coliforms, indicating inefficiency of the sanitation infrastructure. The presence of more sophisticated treatment systems positively influenced catchment pollution levels. Sub-catchments which impact water quality of the Cuiabá River throughout the year typically deliver loads of mixed origin (impervious surfaces and untreated domestic wastewater). Monitoring stations downstream of the urban reach of the river show a trend of chemical and biological degradation.
Land use effects on water quality in the urban agglomeration of Cuiabá and Várzea Grande, Mato Grosso State, central Brazil
This study investigates the relationship between spatial patterns of water quality and land occupation in the cities of Cuiabá and Várzea Grande, Mato Grosso state, Brazil, applying Geographic Information System (GIS) techniques and Polynomial Redundancy Analysis. The results show a strong relationship between water quality and population density, urbanization rate and regionalized low water runoff. Higher treatment rates improve oxygenation levels, but do not reduce concentrations of total nitrogen, phosphorus and coliforms, indicating inefficiency of the sanitation infrastructure. The presence of more sophisticated treatment systems positively influenced catchment pollution levels. Sub-catchments which impact water quality of the Cuiabá River throughout the year typically deliver loads of mixed origin (impervious surfaces and untreated domestic wastewater). Monitoring stations downstream of the urban reach of the river show a trend of chemical and biological degradation.
Land use effects on water quality in the urban agglomeration of Cuiabá and Várzea Grande, Mato Grosso State, central Brazil
Zeilhofer, Peter (author) / Lima, Eliana Beatriz Nunes Rondon (author) / Lima, Gilson Alberto Rosa (author)
Urban Water Journal ; 7 ; 173-186
2010-06-01
14 pages
Article (Journal)
Electronic Resource
Unknown
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