275 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
Potential assessment of the support vector regression technique in rainfall forecasting
Forecasting and monitoring of rainfall values are increasingly important for decreasing economic loss caused by flash floods. Based on statistical learning theory, support vector regression (SVR) has been used...
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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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Chapter and Conference Paper
Computation of Passive Earth Pressure of Cohesive Backfill on Retaining Wall Considering Earthquake Force
This paper based on having research conclusion, according to the Coulomb’s earth pressure theory, from the condition of the equilibrium of the force when the slide wedge was in limit equilibrium, thinking abou...
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Chapter and Conference Paper
Model Tests on Subgrade in Seasonal Frozen Region Under Freezing-Thawing Circulation
The diseases of subgrade in seasonal frozen region were mainly induced by frost heaving and thawing circulations of frozen soils because of change of seasons. Considering the frozen soils in 213 state road fro...
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Chapter and Conference Paper
The Analysis of Composite Foundation with CFG and Gravel Piles to Resist Soil Liquefaction
Based on a practical engineering project (in Inner Mongolia), which uses composite foundation with CFG & gravel piles to deal with the soil liquefaction, the composite foundation’s capacity and function mechan...
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Chapter and Conference Paper
Mining Environment Regeneration and Induced Caving Technology in Mine Engineering
Considering the understanding on the idea of environmental protection and sustainable development in recent years, limitation of traditional concepts of people was beoked to realize the changes and innovation ...
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Chapter and Conference Paper
The Limit Analysis of Reinforced Slopes
Based on the fundamental theory of Upper-bound limit analysis of plasticity, the change of the slip surfaces with is shown. Also the limit heights and stability coefficients of the reinforced steep slope with ...
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Article
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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Article
A Risk Assessment Model of Water Shortage Based on Information Diffusion Technology and its Application in Analyzing Carrying Capacity of Water Resources
A risk assessment model for water shortage was constructed from the risk analysis method based on the information diffusion theory. The application of this model was demonstrated in the city of **hua in Zheji...
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Article
Effects of Urbanization Factors on Model Parameters
This study mainly explores effects of urbanization factors on hydrograph parameters. Urbanization impacts of the develo** watershed are evaluated based on rainfall–runoff simulations. A total of 51 rainfall–...
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Article
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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Article
A Rough Set Based Model in Water Quality Analysis
Due to pollution caused by the expansion of human activities and economic development, water quality has gradually deteriorated in many areas of the world. Therefore, analysis of water quality becomes one of t...
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Article
Value of Medium-range Precipitation Forecasts in Inflow Prediction and Hydropower Optimization
This paper presents an inflow-forecasting model and a Piecewise Stochastic Dynamic Programming model (PSDP) to investigate the value of the Quantitative Precipitation Forecasts (QPFs) comprehensively. Recently...
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Article
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
Hydrological Responses to Climate Change in Nenjiang River Basin, Northeastern China
Under the background of global climate change, hydrological responses to climate change were investigated in Northeastern China. This study analyses the trends of annual and seasonal temperature, precipitation...
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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
Influence of Reservoir Operation in the Upper Reaches of the Yangtze River (China) on the Inflow and Outflow Regime of the TGR-based on the Improved SWAT Model
The impact of hydraulic engineering works and human activities on hydrology has become a hot issue along with the economy and social development. The water cycle model of the upper reaches of the Yangtze River...
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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
Hydrological Changes of the Irtysh River and the Possible Causes
Hydrological changes of the Irtysh River were analyzed concerning the changes of annual runoff and its distribution features within a year measured by coefficient of variation and concentration degree. Abrupt ...
