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Hydrological features are always important information for water resources computing. 3D (three-dimensional) GIS (Geographic Information System) technique provides a feature extracting and 3D scene displaying platform for management and decision. In our case study, contrasting and analyzing current three system development patterns, we have presented the 3D development tool and system architecture...
South-to-North Water Transfer Project is the strategic move to implement the water resource allocation of China. The east line of the project is carrying out which would bring with it a lot of water environmental and ecological problems because of the wide range, long time and complex environment problems facing as well as some uncertainty the environment and ecology themselves have. In this paper,...
Luoyang city is a region which is short of water resources in total amount. According to the amount of the available water resources, it can only maintain status quo. But it is estimated that it will lack water resources 2.43×108m3/a in the year 2010. For ensuring the speedy and sustainable development of economy in Luoyang City, the development and utilization of water resources have become one of...
Aiming at the fact that the hydrochemistry environment of shallow groundwater becomes worse and worse in the past ten years in LuoYang. On the basis of large amounts of test and observation datum, the paper analyze the cause form the lithology of aquifer, the recharge, discharge of groundwater and human engineer activity and make the following conclusion: the purification capacity on many contaminations...
In this paper, a fuzzy clustering iterative model is introduced for studying temporal character distribution of precipitation through analysis on the rainfall sequence from 1942 to 2005. According to the clustering results of rainfall temporal distribution features, variation trend of watershed runoff under different temporal distribution pattern has been studied. Furthermore, the impact of human...
In the period of the water resources evolutionary investigation of North China, from the 3-D map composed of TM and DEM, the downstream of the Xilamulun river is the wide Kailu basin, with huge alluvial-lacustrine sandy sediments which constitute great Xiliaohe plain, but the watershed area has not sufficient water and sand-soil sediments enough to form such present huge sedimentary plain in theory...
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