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Based on SLEUTH urban growth model and Technology of GIS and RS, the process of urban growth of Xinxiang City from 1989 to 2009 was simulated, and the process of urban growth from 2010 to 2050 was predicted. The result illuminated that SLEUTH model had a credible accuracy, and it could well describe Xinxiang city's extension to the southeast as a whole during 20-year period. The city's area increased...
Current load balancing method for large scale spatial data network service can't dynamically adjust the load of spatial data servers according to the characteristics of spatial data. We propose a content-based spatial data dynamic load balancing method, which can dynamically group spatial data servers according to geographical position relativity and accessing heat of spatial data to improve Cache...
After analyzed the problem in the GlobeSIGht system in existence when the number of visitors rised sharply, which made the burden on the server increase rapidly; the respond rate was much slower than before, which must be influence the application effect of users, it was presented a kind of method, that was, making use of the mobile agent to transfer the tasks from fully loaded servers to the idle...
In order to reduce the massive soil erosion and to ensure sustainable development, the Chinese central government planned revegetation measures to reduce these environmental problems-especially in the Loess Plateau. This revegetation process will not only result in less soil erosion in the coarse sandy hilly catchments (CSHC), but also less runoff due to increased evapotranspiration (ET). A water...
This paper is about the establishment and application of GIS database in neighborhood renewal. It first mines the needed data for database establishment from literature review. Then, the GIS database will be designed for neighborhood renewal, which integrates land use, public and commercial service, road, building, infrastructure, and environment six major variables. Finally, a case of Huangjiadun...
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