WATER RESOURCES What are water resources? Water resources are sources of water that are useful or potentially useful to humans. It is important because it is needed for life to exist. Many uses of water include agricultural‚ industrial‚ household‚ recreational and environmental activities. Virtually all of these human uses require fresh water. Only 2.7% of water on the Earth is fresh water‚ and over two thirds of this is frozen in glaciers and polar ice caps‚ leaving only
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Water Scenario: Past‚ Present and Future of Pakistan By: Muhammed Zafir Zia Per capita availability of surface water in Pakistan is gradually dwindling from 5300 cubic meter in 1951 to 1000 cubic meters in 2005 and is projected to hit less than 1000 cubic meters making Pakistan a water short country Of all the major problems‚ water crisis is the one that lies at the heart of our survival and that of our planet. Experts project that the global water crisis will reach unprecedented
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How energy division lead to major losses for Sime Darby There are 4 multimillion Ringgit projects entered by Energy and Utilities division of Sime Darby‚ but turned out bad. One of the projects is collaboration with Qatar Petroleum (QP)‚ the Bulhanine and Maydan Mahzam project. Sime Darby has been awarded a RM265 million contract to build wellhead platforms where the scope of works in the contract covers three wellhead platforms‚ installation of about 40 kilometres of pipeline‚ 23 kilometres
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San Francisco. They had a problem on electricity supply‚ so Malcolm and his fellows had to check the hydroelectric dam in the forest where Caesar and his fellow Apes lived. Although Caesar didn’t like human stayed in the forest‚ but he let Malcolm and his fellows stay to finish their works under their surveillance only if they agree not to bring guns. While Malcolm and his fellow worked in the dam and encountered‚ Caeser let his fellow apes to help them and finished their work. And Malcolm also healed
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Advantages and Disadvantages of Renewable Fuels Solar Energy: Advantages: -Energy is free although there is a building cost. -Causes no pollution‚ however‚ energy may go into machines that produce pollution. -Solar energy can be used in remote areas where it is too expensive to extend the electricity power grid. -Estimated that the worlds oil reserves will last for 30-40 years whereas solar energy is infinite. Disadvantages: -Solar energy can only be harnessed when it is daytime
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called ocean or marine energy‚ are forms of water power in addition to methods previously discussed in a previous article about hydropower: http://www.kidsdiscover.com/teacherresources/whats-good-and-whats-bad-about-hydropower/ However unlike hydroelectric dams‚ which harvest power by installing an artificial obstruction in a flowing waterway‚ wave and tidal energy devices simply use the power of the ocean waves and/or rising and falling tides. It is another clean and sustainable source of energy that
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The Chinese government utilises Mekong’s freshwater to meet the demands of the population and built 15 hydroelectric dam on Upper Mekong. This causes the lower stream riparian states (Thailand‚ Laos‚ Cambodia‚ Vietnam and Myanmar) to experience deterioration in water quantity. The water available for them significantly decreases overtime. On top of that‚ water quality also deteriorates as the dams trap silt which may contribute to the pollution of the freshwater. Additionally‚ China’s construction
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1） What was the Snowy Hydro Electric Scheme? It is one of the most largest and complex hydro-electric schemes in the world it contains; 80 kilometres of aqueducts‚ 140 kilometres of tunnels‚ 16 large dams and seven power stations‚ two of which are underground. The project commenced under an Act of Federal Parliament in October 1949 with the goal of diverting the Murrumbidgee‚ Snowy and Tumut Rivers in south western NSW to provide irrigation water for the western side of the Great Dividing Range
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be used for farming and planting crops. Wind energy decrease smog and acid rain and is cheaper then any other type of electric generator. Hydroelectric energy provides about 19% of the worlds electricity today producing no waste or pollution in the process. All hydroelectricity takes is a dam to be built and than the energy is free. Hydroelectric power stations produce a large amount of power for a very cheap price. Hydro energy is the second
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at the end. Turn over P42131A ©2013 Pearson Education Ltd. *P42131A0120* 1/1/1/1/1 SECTION A Answer ALL the questions in this section. Evidence A Thousands march in Chile against Patagonia Dam Project Thousands of people marched in Santiago to protest against a proposed hydroelectric project in southern Chile. The project is expected to increase the electrical power supply by 15% when construction is completed in 2020. The $3.2 billion HidroAysen project is a joint venture‚ 51% owned
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