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Environmental Assessment For Sustainable Development On Areas Under Anthropogenic Pressure Searching To Reduce Negative Effects In The Water. Prof. M. Eng. Tadeu de Souza Oliveira University of the Southern Santa Catarina- UNESC Criciúma-SC, Brazil. M. Eng. Nilton Cezar Pereira
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Environmental Assessment For Sustainable Development On Areas Under Anthropogenic Pressure Searching To Reduce Negative Effects In The Water Prof. M. Eng. Tadeu de Souza Oliveira University of the Southern Santa Catarina- UNESC Criciúma-SC, Brazil M. Eng. Nilton Cezar Pereira Civil Engineering Department, Federal University of Santa Catarina - UFSC Florianópolis-SC, Brazil Macedonia, 2010
PROBLEM Activities That Cause Pollution and Sedimentation In the river Pollution and Sedimentation of Sangão river. SantaCatarina/Brasil
Mining and Processing of mineral coal 75% of coal mining is Tailing; The coal processing uses large volumes of water and then it is discharged in the river; Tailing are placed on the environment Rain carries portion of the tailings to the river
Sand and clay are used in building The tailings are exposed in the rain and it goes to the drainage system
AGRICULTURE The banks of the river are used for many agricultures The main agriculture is rice and potato Agriculture activitie exposes the soil to the rain Rain takes chemical agents used on agriculture into the river
Exposed soil by agriculture No ordered urbanization
Distribution map of the activities on the river bank
River situation after coal mining
THANK YOU Prof. M. Eng. Tadeu de Souza Oliveira M. Eng. Nilton Cezar Pereira BRASIL