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The process of Environmental impact assessmen t (EIA) is successfully applied as a tool for environmental planning and environmental policy in many countries worldwide. It is generally accepted that the environment has three inter-dependent components: economic, socio-political and natural. C onsequently, integrated environmental assessment and management coupled with su stainable development is critical, and in order to achieve this goal, effective guidelines and implementable legislation are necessary. EIA legis...

Hygienic problems and the protection of property against floods have been successfully solved by existing concepts of drainage. However, the way of urban drainage has led to intensification of urbanization impact on hydrological regime of the country. Technologically, environmentally and economically purposeful urban drainage prevents rapid runoff of waste water. New concept s upports such way which resembles natural way of drainage in unstopped floods and which reduces negative consequences of country urbanizatio...

Natural disasters, such as earthquakes, hu rricanes, flash floods, volcanic eruptions and landslides have always cons tituted a major problem in many developing and developed countries. Flood disaster has very special place in natural hazards and is considered as a major natural hazard due to its devastating effects on the affected area. Its effected area is not bounded; it is an unusual event of river basin. Flood related problems and many other applications proved that these problems could be solved through plan...