Reflections on the Three Gorges Project since Its Operation
نویسندگان
چکیده
منابع مشابه
Three Gorges project: chance and challenge.
THE THREE GORGES DAM (TGD) ACROSS THE Yangtze River is the world’s largest hydroelectric dam (1). Construction of the TGD will form many different sizes of islands, providing a golden opportunity for exploring the ways in which island ecosystems are regulated (1). However, the construction will also pose great challenges to the ecosystem of the Three Gorges Reservoir Area (TGRA). It will affect...
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SUMMARY A promising new operation-coronary bypass-has been developed for the treatment of coronary heart disease. However, because of the nature of the underlying disease and the minute size of the vessels to be anastomosed, its long-range prospects are in doubt. At this point in time there is no evidence that the operation either prevents infarction or prolongs life, and great caution is urged...
متن کاملThe Three Gorges Dam: an ecological perspective
development throughout the world for thousands of years, providing water, controlling floods, irrigating crops, facilitating navigation, creating recreational opportunities, and generating motive power and electricity. By the end of the 20th century, about 45 000 large dams (>15 m in height) and an estimated 800 000 small dams had been built worldwide (WCD 2000), obstructing over 65% of fresh w...
متن کاملAssessing the influence of Environmental Impact Assessments on science and policy: an analysis of the Three Gorges Project.
The need to understand and minimize negative environmental outcomes associated with large dams has both contributed to and benefited from the introduction and subsequent improvements in the Environmental Impact Assessment (EIA) process. However, several limitations in the EIA process remain, including those associated with the uncertainty and significance of impact projections. These limitation...
متن کاملImpact of the Three Gorges project on ecological environment changes and snail distribution in Dongting Lake area
BACKGROUND The Three Gorges Dam (TGD) is a remarkable, far-reaching project in China. This study was conducted to assess the impact of TGD on changes in the ecological environment, snail distribution and schistosomiasis transmission in Dongting Lake area. METHODS Hydrological data were collected from 12 monitoring sites in Hunan section of Yangtze River before and after TGD was established. D...
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ژورنال
عنوان ژورنال: Engineering
سال: 2016
ISSN: 2095-8099
DOI: 10.1016/j.eng.2016.04.002