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Articles by N. Jaafarzadeh
Total Records ( 2 ) for N. Jaafarzadeh
  M. Afkhami , M. Shariat , N. Jaafarzadeh , H. Ghadiri and R. Nabizadeh
  The Karun and Dez rivers basin are the largest rivers basin in Iran which are situated in the south west of the country. Karun River originates from Zagros mountain ranges and passing through Khuzestan plain, reaches the Persian Gulf. Several cities lie along its path of them the most important is Ahvaz, the center of Khuzestan province. To achieve water quality goals in Karun and Dez rivers, a water quality management model has been developed through the GIS approach and a mathematical water quality model. In Karun and Dez rivers, water quality has decreased due to heavy pollution loads from Khuzestan province cities and surrounding areas. In this survey, pollution sources, land use, geographic features and measured water quality data of the river basin were incorporated into the Arc-view geographic information system database. With the database, the model calculated management type and cost for each management project in the river basin. Until now, river management policy for polluted rivers in Iran has been first of all to get penalties from pollution sources and secondarily, to construct treatment plants for the pollution sources whose wastewater is released untreated and for which the wastewater quality goal of the Iranian Department of the Environment is not met. Different management projects with a time program were proposed and they were compared with the results of the river quality without any management approach. It became clear that the results based on the management approach were much better than those for the unmanaged condition from the viewpoint of the achievement of water quality goals and cost optimization.
  B. Karami , K.N. Dhumal , M. Golabi and N. Jaafarzadeh
  The main aim of current study was evaluation relationship between water quality index and physical, chemical and biological parameters of water for management wetland. Because of wetlands are valuable ecosystems that have economic, social, ecological and biological benefits and other values but degradation these natural systems in all round the world are increased. Bamdezh wetland is one of the important wetlands in Khuzestan province, Southwest of Iran. This wetland according to the definition of international Ramsar convention is riverine and palustrine wetland. Water quality of this wetland is fresh water and for purposes of temporal is permanent wetland. Bamdezh wetland has important role to control floodwater and over flow of Dez and Shavoor rivers. In addition, existence vegetation and different species animals show important of management planning for conservation this wetland. Because of importance of Bamdezh wetland, current study was optimization the relation between Water Quality Index (WQI) that has represented by USA National Sanitation Foundation and temperature, biochemical dissolve oxygen (BOD), NO3, PO4, pH, Turbidity, TSS, Coliform, chemical dissolve oxygen (COD) and dissolve oxygen (DO). Results show that relation between water quality index and mention parameters are nonlinear.
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