study the environmental issues concerning the dam & area project
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Answer:
Water resources engineering is developing enormously today. Dams have the most important role in utilizing water resources. They were constructed long year before gaining present information about hydrology and hydro mechanics. Throughout the history of the world, dams have been used successfully in collecting, storing and managing water needed to sustain civilization. Dams have a great deal of positive and negative effects on the environment. Their benefits like controlling stream regime, consequently preventing floods, obtaining domestic and irrigation water from stored water and generating energy from hydro power. While dam provide significant benefit to our society, their impact on the surrounding includes resettlement and relocation, socioeconomic impact, environmental concerns, sedimentation issue, safety aspects etc. In addition to their very important social and environmental benefits, it is important to minimize the negative effects of the dam on the environment regarding sustainable development.
Answer:
The earth is made up of three different layers: the crust, the mantle and the core. This is the outside layer of the earth and is made of solid rock, mostly basalt and granite. There are two types of crust; oceanic and continental. Oceanic crust is denser and thinner and mainly composed of basalt.