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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Dams are among the oldest structures built by humans for collective use. A dam is a barrier that is constructed across a river or stream so the water can be held back or impounded to supply water for drinking or irrigation‚ to control flooding‚ and to generate power. The main kinds of dams are earth fill‚ rock fill‚ concrete gravity‚ concrete arch‚ and arch gravity. The last three types are all made of concrete‚ reinforced concrete‚ or masonry. (The term masonry can mean concrete‚ bricks‚ or blocks
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In the Pacific Northwest‚ salmon are an incredibly important part of the ecosystem. Their presence indicates the health of rivers and there are over 100 species that depend on salmon as a source of food (Rahr). As salmon move from saltwater systems into freshwater systems again‚ they bring essential nutrients with them. These nutrients are put back into the ecosystem when the salmon are consumed and when their bodies start to decompose. Many of these nutrients even make their way back into the forest
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Dams of India have been built across many perennial rivers since the independence of India. These dams in India are a part of several multi-purpose projects to serve a variety of needs. In a multi-purpose project‚ a river forms a unit and a river valley is developed‚ by exploiting all the resources of the river. Basically‚ dams are built to harness the river water so that it can be utilised according to the needs. A multipurpose project is launched often for storing water for irrigation purposes
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The richest native americans know as the Northwest Coast Indians are believed to have begun living on the northwest coast of North America over 10‚000 years ago. This area includes what we know as Alaska‚ Washington State‚ Oregon‚ California‚ and British Columbia‚ Canada. This stretch of land has the ocean on one side and the mountians on the other side. Some of the tribes that make up the Northwest Coast Indians are the Bella Coola‚ Haida‚ Nootka‚ and Tlingit. Living along the coast‚ there was
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About Salmon Salmon is the common name for fish in the order Salmoniformes. They live in the northern Atlantic and Pacific oceans‚ and are anadromous‚ which means most types of salmon are born in fresh water‚ migrate to the sea‚ and return to freshwater to reproduce‚ or "spawn." Salmon appearance varies greatly from species to species. Species like chum salmon are silvery-blue in color while some have black spots on their sides‚ like the Atlantic salmon. Still others‚ like the cherry salmon‚ have
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as throughout that region‚ the presence or absence of water has had a profound influence on human settlement. We will see the great impact that access to resources has on the characteristics‚ distribution and migration of human population on Earth’s surface. You will be able to understand how changes in the spatial distribution of population may result in changes in social and economic conditions. Conditions may include availability of water supply for expanding urban regions‚ adequate space for
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Kurobe Dam At 186 meters (610 ft.) high‚ it is the tallest dam in Japan. It was constructed between 1956 and 1963 at a cost of ¥51.3 billion yen. The project was a difficult engineering feat for the rapidly growing post–World War II Japan‚ and claimed the lives of 171 people. There are also 30‚000 suicides a year at this dam. The Kurobe Dam is the most popular hydropower site in Japan and‚ between late June and mid-October; water is released from its spillway for onlookers. The surrounding Kurobe
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Running Head: CONFLICT ANALYSIS: THREE GORGES DAM Three Gorges Dam Conflict: Views and Analysis Sarah F. Watson Colorado State University Abstract The Three Gorges Dam currently being built on the Yangtze River in China is forcing the resettlement of over a million people. Shipping interests‚ city dwellers‚ and the Chinese government all support the dam’s construction‚ while archeologists‚ human rights organizations‚ and those forced to resettle do not. This paper explores
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A dam is a barrier that impounds water or underground streams. Dams generally serve the primary purpose of retaining water‚ while other structures such as floodgates or levees (also known as dikes) are used to manage or prevent water flow into specific land regions. Hydropower and pumped-storage hydroelectricity are often used in conjunction with dams to provide clean electricity for millions of consumers. It can also be used to collect water or for storage of water which can be evenly distributed
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