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192 Result(s)
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Article
Spatial disparity of slope farmland and food security in three gorges area
As an important measure of ecoenvironmental construction, the process of de-farming in slope farmland is being undertaken gradually in the whole China. Meanwhile, the problem of reducing in food yield in de-fa...
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Article
Spatial pattern of rural settlements in the upper reaches of the Minjiang River
A quantitative analysis of the spatial pattern of rural settlements in the upper reaches of the Minjiang River was made with the major data sources being the relevant ETM image and the national geographical da...
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Annual time-series analyses of total gaseous mercury measurement and its impact factors on the Gongga Mountains in the southeastern fringe of the Qinghai-Tibetan Plateau
Long-term monitoring programs for measurement of atmospheric mercury concentrations are presently recognized as powerful tools for local, regional and global studies of atmospheric long-range transport process...
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Digital extraction of altitudinal belt spectra in the West Kunlun Mountains using SPOT-VGT NDVI and SRTM DEM
In this paper, a digital identification method for the extraction of altitudinal belt spectra of montane natural belts is presented. Acquiring the sequential spectra of digital altitudinal belts in mountains a...
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Analysis of the effects of slope geometry on the dynamic response of a near-field mountain from the Wenchuan Earthquake
Fourier spectra and acceleration response spectra of near-field acceleration records of the 2008 Wenchuan Earthquake have been calculated. Relative fundamental frequencies (or predominant periods) were charact...
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Article
Impact assessment and protection of outstanding landscape integrity in a natural heritage site: Fairy valley, Kanas Nature Reserve, **njiang, China
The essential purpose of the Convention Concerning the Protection of World Cultural and Natural Heritage is to protect the integrity of heritage values. Outstanding landscape is the core embodiment of the aesthet...
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Article
Hydrochemical characteristics and solute dynamics of meltwater runoff of Urumqi Glacier No.1, eastern Tianshan, northwest China
Hydrochemical characteristics and solute dynamics of bulk meltwater draining from Urumqi Glacier No.1 were investigated in years 2006 and 2007. The glacial meltwater was slightly alkaline with the mean pH of 7...
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Article
Influence of limited soil on the root distribution and anchorage of Vitex negundo L.
Field pull-out and laboratory tests were applied to investigate the effect of metal bolts and wire netting on plant root distribution and anchorage characteristics of 9-year-old Vitex negundo L. growing on a weak...
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Article
Tectonic mechanism of the Suining (Ms5.0) earthquake, center of Sichuan Basin, China
On Jan. 31 of 2010, the Suining earthquake occurred at Suining City whch is located the center of Sichuan Basin. It is unusual for the strong earthquake to occur at the center of Sichuan Basin with a stable ge...
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Article
Comparative study on debris flow initiation in limestone and sandstone spoil
Large spoil tips from reconstruction works as a result of the Wenchuan Earthquake in China are new debris flow hazards to the human society. However, there is a lack of detailed comparative study on debris flo...
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Article
Hybrid simulation of the initiation and runout characteristics of a catastrophic debris flow
On 13 August 2010, a catastrophic debris flow with a volume of 1.17 million m3 occurred in **aojiagou Ravine near Yingxiu town of Wenchuan county in Sichuan Province, China. The main source material was the lands...
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Article
Climate warming-induced upward shift of Moso bamboo population on Tianmu Mountain, China
Although increasing attention has been paid to upward shift of plant species in altitude as a response to global warming, research on this phenomenon at low altitudinal and low latitudinal zones did not receiv...
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Article
Mechanism of mining-induced slope movement for gullies overlaying shallow coal seams
This paper provides an improved understanding of the movement mechanisms of both bed-rock gully and sandy soil gully when underground mining occurs underneath, followed by systematic analysis of the contributi...
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Article
The development of a geographic information system (GIS) database for Jiuzhaigou national nature reserve and its application
The objective of this paper is to develop a GIS (Geographic Information System) database for Jiuzhaigou National Nature Reserve (Jiuzhaigou, hereafter) in China and demonstrate its application as a research to...
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Article
Open AccessRevealing storage-area relationship of open water in ungauged subalpine wetland — Napahai in Northwest Yunnan, China
Mountains and plateaus in Southwest China contain many subalpine and alpine wetlands, with significant hydroecological functions. But ungauged or poorly gauged conditions limit the study and understanding of h...
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Article
Effects of environmental factors on tree seedling regeneration in a pine-oak mixed forest in the Qinling Mountains, China
Natural seedling regeneration and tree establishment are affected by various environmental factors. In this study, we established eight, eight, six, and four independent forest stands (each stand was further d...
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Article
Panzhihua airport landslide (Oct. 3rd 2009) and an emergency monitoring and warning system based on the internet of things
Panzhihua city (26°05′–27°21′N, 101°08′–102°15′E), located in a mountainous area, is one of the large cities in Sichuan province, China. A landslide occurred in the filling body of the eastern part of the Panz...
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Article
Assessment of secondary mountain hazards along a section of the Dujiangyan-Wenchuan highway
Conducting a hazard assessment for secondary mountain hazards is the technical basis for reconstructing destroyed highways and for disaster prevention. It is necessary to consider the role and influence of str...
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Article
Simulating the saturation threshold of a water environment’s response to tourist activities: A case study in the Liupan mountain eco-tourism area
The effect of tourism on water environments has received a high degree of interest in the study of eco-tourism. Based on the analysis of the relationship between tourist activities and the water environment in...
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Higher species diversity occurs in more fertile habitats without fertilizer disturbance in an alpine natural grassland community
Are there some relationships among species diversity and soil chemical properties of high altitude natural grasslands? Plant community composition and chemical properties of soil samples were compared to inves...