negative impacts of medium and large dam to surrounding environment or geology in technical aspect

  Order Description   It's about negative impacts caused by medium and large dams to surrounding environment or geology, in technical aspect. It's indeed to support the thesis with hydrology fact and knowledge. Every point must be with one subtitle. Dam examples can be everywhere around the world. It is better with exact data or data table with credible references. The whole paper must be discussed in dam's technical aspect.