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The Zhuhai city in Pearl River Delta was chosen as a study area. The soil samples were recollected according to the sampling points of Second National Soil Survey. Based on application of geographical information system (GIS) and SPSS software, the content, distribution and its influence factors of available Cu in cultivated soils were analyzed. The results showed that: the average available copper...
A city three-dimensional foundation information consultant system is developed based on random field theory to predict unknown geotechnical parameters. Taking the geographical information system (GIS) as development platform, the general structure module and database of the system is designed. By means of writing programs in Mapinfo, Visual Basic and Excel, dynamic multi-way inquiry, statistics can...
Based on the macro-scale digital elevation model data, by using ARC/INFO software, the relief degree of land surface (RDLS) of 10 kmtimes10 km grid size is extracted and mapped in urban agglomerations of China. Then this paper systemically depicts the distribution rules of RDLS in urban agglomeration and its correlation with population distribution by analyzing the ratio structure and spatial distribution...
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