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    Beaver Dams

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    beavers, have lasting impacts on ecosystems by building dams. One main benefit of beaver dams is their ability to raise the height of water near the edges of streams, which contributes to the increased growth of plants. This ecosystem change is catalyzed by a beaver family moving into a new habitat and placing a large tree across a stream, then adding sticks, muds, stones, and smaller trees. This allows the water levels to raise behind the dam and pool water, which provides nourishment for nearby trees

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    Gorges Dam

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    building of the dam first proposed in 1919 and by whom? The dam was first proposed by Sun-Yat San, the father of modern China, in order to protect river communities from floods and also contribute for economic development plan for China. 2.Why have archaeologists and historians criticized the building of the Three Gorges Dam? Archeologist and historians criticize the building of the Three Gorges Dam because it is socially and environmentally destructive. This is because when the dam is finished

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    In the Tigris River, the Ilisu Dam along with other dams has become a plan to sustain a water reservoir for the citizens of Turkey. Unfortunately, it has led to an increasing number of ecological impacts downstream. The project began in August of 2006 and has been met with much controversy, yet certain instances of how the dam affects the surrounding life including people and other organisms has become definite. With International Environmental Impact Assessments calling to be revised, but to no

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    REVIEW IME864: Risk Analysis Fall, 2014, Wichita State University, Wichita, KS USA RISK ASSESSMENT ON DAM SAFETY VAMSI PRASANTH REDDY MADDI, P253G985 Affiliation City, State, Country Email: ABSTRACT Portfolio risk management is a risk-informed approach for improved management of dam safety. It can be used to identify ways to strengthen technical and organizational aspects of a dam safety program. Portfolio risk assessment is a decision support tool, which is incorporated in portfolio is

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    Teton Dam Response Paper

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    Response Paper 4 The thirst for water has lead individuals and organizations to build dams across rivers at an alarming rate. During the early 1900s dams were being built so fast it was no longer big news when a dam was completed. These structures provided controlled irrigation water and hydroelectric power to the communities not only close to the reservoirs and dams, but also provided irrigation water and hydroelectric power to communities many miles away from the river. Negatively blocking the

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    The Dam Sector The dam sector is another critical infrastructure that delivers water retention and control services in the United States ("Dams Sector," 2017). This is including hydroelectric power generation, municipal and industrial water supplies, agricultural irrigation, sediment and flood control, river navigation for inland bulk shipping, industrial waste management, and recreation. Its key services support multiple critical infrastructure sectors and industries. The dam sector assets irrigate

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    Grand Coulee Dam Analysis

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    Background Nearly 13,000 years ago, glaciers moved across the earth. In the Pacific Northwest they created many rivers, including the Columbia. The rock that the Grand Coulee Dam was built on was carved out by those glaciers creating a sturdy base of the dam. It is located in the rain-shadow of the Cascade Mountain Range in a shrub-steppe grassland, which results in very little rainfall and high temperatures. There have been many Native American tribes, including the Spokane, Sanpoli, Nespelem

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    Most dams in active use today exhibit seepage of one form or another. The location, rate of flow, and turbidity (clear or murky) are the critical factors when evaluating the seriousness of seepage from a dam. Seepage is the continuous movement of water from the upstream face of the dam toward its downstream face, and is a major minor problem when it comes to the life span of dams and embankments. It is a major minor problem because if controlled the affects are minor and not hazardous, but if not

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    Alternatives to Building More Dams

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    back to Colorado to run this river? I considered the the portage again; it's an impressive drop with no shame in walking. But what if they dam the Arkansas?   I had the pleasure of kayaking about fifteen miles of the Arkansas river, in Colorado, this summer. Flowing from its headwaters near Buena Vista, the Arkansas is a virgin river. Only a trickle

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    Based on the events that lead to the devastating floods in Queensland and the eventual case that was brought against the engineers of the dam, there have been views from both sides of the divide as to whether or not the actions taken by the engineers were actually ethical or otherwise. We have explored this avenue and have found that both sides of the divide have good reasons to justify their actions. Firstly, we shall explore the avenue that the engineers decisions were appropriate and ethical.

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