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The basic task of Major Function Oriented Zone (MFOZ) is to optimize the structure of national land use. The research is concentrated on the process of applying 3S technologies. Based on the analysis of the need, identity, and content, we investigate the theory foundation and appliance of various 3S technologies, including database, model-base, spatial analysis, spatial multi-criteria decision, cellular...
A distributed hydrological model that can simulate the hydrological processes of watershed by considering both saturation-excess and infiltration-excess runoff mechanisms is intruduced. The model is based on MapWinGIS platform and adopts modular programming ideas, watershed features such as river network and subbasins can be extracted automatically. In the model, the hydrological processes of watershed...
With the continuous urbanization in China, to meet the demand of current urban 3D cadastre development and management, the necessity and probability of 3D cadastre firstly are discussed, and then according to the building flow of 3D cadastre, key techniques that include data collection, store, management, display and apply are analyzed. And taking an example of Nanjing City, with the introduction...
In the last thirty years, the Qinhuai River Basin has experienced a rapid urban development and population growth, resulting in great land use changes. The SWAT (Soil and Water Assessment Tool) model was applied to simulate daily runoff associated with land use changes. The spatially distributed parameters were obtained with the help of GIS (Geographic Information System) interface. The runoff calibration...
It is a hot issue of current research that how to strengthen the land use management, so that resources and environmental capacity, land development costs and industrial construction and agricultural production would be spatial balanced to promote regional sustainable development in rapid urbanization and industrialization process. A Case Study in Langfang city of Hebei province was made. Based on...
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