to rain-induced hazards in the form of flash flood‚ cloudburst or glacial lake outburst flood. Many Himalayan natural hazards are earthquakes‚ tsunamis‚ hurricanes‚ flooding‚ coastal erosion‚ etc. An earthquake is a process that results from a sudden release of stored energy that radiates shock waves. Coastal erosion is a physical process by which seashores in coastal areas around the world shift and change‚ primarily in response to waves and currents that can be influenced by tides. A flood results
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The Impact of Global warming and Desertification on the Nigerian Ecosystem SEN 406 Technical Report Writing Submitted By:- Tabansi Anthony Uchenna A00011635. Prepared For:- Dr. Arthur
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Conservation The issues of land distribution and land conservation in agriculture attract more and more attention‚ especially when the expansion of cropland is hitting a limit since much more land is conserved for environmental purposes. Soil erosion is devastating the topsoil of land as chemical fertilizers are used to increase output within a limited amount of land. At the same time‚ livestock production expands at an ever-growing speed‚ worsening the land use situation. Livestock production
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Environmental problems Of all the global environmental problems‚ desertification is‚ perhaps‚ the most threatening for poor rural people. The most accepted definition of desertification states that it is land degradation in arid‚ semiarid‚ and dry sub-humid areas resulting from various factors‚ including climatic variations and human activities. Drylands cover almost 40 percent of the total land surface of the world and are inhabited by approximately 1 billion humans dispersed over more than 100
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One of the World’s great environmental problems - Water The water problem is today one of the greatest problems the world faces. The UN calculates that if the present development continues the 2/3 of the world population will live with serious water scarcity or nearly without water by the year 2025. The UN calculates that one should have 100 litres of water pr day to manage. This is for everything - home consumption‚ agriculture‚ industry‚ etc. Many people today have less than 50 litres‚ and in
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Soil erosion and management on the Loess Plateau 作者： 作者单位： 刊名： 英文刊名： 年，卷(期)： 被引用次数： CAI Qiang-guo Institute of Geographic Sciences and Natural Resources Research‚ CAS‚ 地理学报(英文版) JOURNAL OF GEOGRAPHICAL SCIENCES 2001‚11(1) 6次 参考文献(23条) 1.Chen Yongzong;Jing Ke;Cai Qiangguo Modern Erosion and Management 1988 2.Lal R Soil erosion by wind and water: problems and proposals 1988 3.Shi Nianhai Loess Plateau and evolution of its agro-forest distribution area 1981 4.Zhu Kezhen Preliminary study of climate
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Narrabeen is a beachside suburb located on Sydney’s northern beaches with a population of just over 6000 people. It is known for its long stretch of beach‚ over 3 kilometres‚ with four beaches on this stretch: North Narrabeen‚ Narrabeen‚ South Narrabeen and Collaroy. The Narrabeen coastal environment consists of these beaches as well as the lagoon located at the north end of the beach. Surrounding areas are on a floodplain‚ meaning that high sea levels‚ large amounts of rain and runoff from nearby
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hill it is called a landslide. Landslides are caused by rain and melting snow that goes into cracks in the earth on top of a mountain or hill. Then the earth is weakened because the water makes the soil loose. Landslides can also be caused by erosion. Erosion is when things like a river or mining slowly eats away the bottom of a hill or slope. The top of the hill is no longer supported by the bottom. The loose soil can be set off by things like mine explosions‚ thunder‚ traffic noise‚ earthquakes
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from braided stream area 2. Stabilize soils in fire-damaged areas. -clearing dead/ burn brush and trees‚ thinning forest to prevent future fires as big as this one. -Control erosion of small feeder streams -Remove debris 3. Cattle access control -fencing to prevent cattle access to stream -fix bank erosion with brush mattresses 4. Hillside slump stabilization. -brush mattresses In this Plumas Trout Creek Restoration the primary objective is to reestablish the hydrology
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Environmental Issues Hydrosphere http://www.ec.gc.ca/water/e_main.html : This website talks about water and its preservation. It tells about the importance of water in our daily life. The purpose of this website is to make Canadians aware about the fresh water available in Canada and to guide them to preserve it. This website tells almost everything about water present in Canada such as nature of water‚ water policy legislation‚ the water management‚ and the water culture. This website tells us
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