نتایج جستجو برای: gorges

تعداد نتایج: 1158  

Journal: :Nature communications 2014
J D Jansen A T Codilean A P Stroeven D Fabel C Hättestrand J Kleman J M Harbor J Heyman P W Kubik S Xu

The century-long debate over the origins of inner gorges that were repeatedly covered by Quaternary glaciers hinges upon whether the gorges are fluvial forms eroded by subaerial rivers, or subglacial forms cut beneath ice. Here we apply cosmogenic nuclide exposure dating to seven inner gorges along ~500 km of the former Fennoscandian ice sheet margin in combination with a new deglaciation map. ...

Journal: :Digital Signal Processing 2013
Yaobin Zou Hong Liu Qin Zhang

a Institute of Intelligent Vision and Image Information, China Three Gorges University, Yichang, Hubei 443002, China b School of Computer Science and Technology, Huazhong University of Science and Technology, Wuhan, Hubei 430074, China c College of Computer and Information Technology, China Three Gorges University, Yichang, Hubei 443002, China d Department of Mathematics, China Three Gorges Uni...

2017
Yinghui Li Shuaijin Huang Xuexin Qu

The Three Gorges Project was implemented in 1994 to promote sustainable water resource use and development of the water environment in the Three Gorges Reservoir Area (hereafter "Reservoir Area"). However, massive discharge of wastewater along the river threatens these goals; therefore, this study employs a grey prediction model (GM) to predict the annual emissions of primary pollution sources,...

2012
Ru-liang Kan Ting Kong

Based on the perspective of tourists, the paper takes the empirical analysis of service quality of the three gorges dam scenic spot, tries to put forward some methods to improve service quality, and provide the reference for the tourism sustainable optimization development of the three gorges dam.

2014
Yuntao Bai Zhiguang Xu Jing Zhang Deqiang Mao Chao Luo Yuanyuan He Guodong Liang Bo Lu Michael S. Bisesi Qinghua Sun Xinyi Xu Weizhong Yang Qiyong Liu

BACKGROUND In this study, we aim to identify key climatic factors that are associated with the transmission of Japanese encephalitis virus in areas located near the Three Gorges Dam, between 1997 and 2008. METHODS We identified three geographical regions of Chongqing, based on their distance from the Three Gorges Dam. Collectively, the three regions consisted of 12 districts from which study ...

2009
Xianmin Wang Ruiqing Niu

The Three Gorges is a region with a very high landslide distribution density and a concentrated population. In Three Gorges there are often landslide disasters, and the potential risk of landslides is tremendous. In this paper, focusing on Three Gorges, which has a complicated landform, spatial forecasting of landslides is studied by establishing 20 forecast factors (spectra, texture, vegetatio...

Journal: :Journal of environmental sciences 2015
Paul K S Lam

The Three Gorges Dam project (TGDP), with a total static investment of 95.46 billion RMB (US$10.97 billion) based on the 1993 price level, commenced in 1994 and was completed in 2012. The creation of the Three Gorges Reservoir following the completion of the TGDP had brought about significant changes to the Three Gorges Reservoir Region (TGRR), stretching from the town of Sandouping in Hubei Pr...

Journal: :JSW 2010
Xianmin Wang Ruiqing Niu

In the south area of China, there covers thick soil and flourish vegetation on the top of the rocks, so there is little research on lithology analysis by remote sensing in the south area, and there is also no mature methods on this aspect. Three Gorges are the south area which is thickly covered by soil and flourish vegetation and the lithology analysis is very difficult. Three Gorges possess t...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2009
Thomas F Bristow Martin J Kennedy Arkadiusz Derkowski Mary L Droser Ganqing Jiang Robert A Creaser

Assemblages of clay minerals are routinely used as proxies for paleoclimatic change and paleoenvironmental conditions in Phanerozoic rocks. However, this tool is rarely applied in older sedimentary units. In this paper, the clay mineralogy of the Doushantuo Formation in South China is documented, providing constraints on depositional conditions of the Ediacaran Yangtze platform that host the ea...

Journal: :JSW 2011
Xianmin Wang Ruiqing Niu

The Three Gorges are the areas in which the geological disasters are very serious. There often happen great landslide disasters, which brings tremendous threat to normal running of the Three Gorge Dam and the properties and lives of the residents in the reservoir. So landslide susceptibility analysis is an important task of prevention and cure of landslides in the Three Gorges. In this paper, l...

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