Modeling landscape with high-resolution digital elevation model (DEM) in a geographic information system can provide essential morphological and structural information for modeling surface processes s
Being the primary media of geographical information and the elementary objects manipulated, almost all of maps adopt the layer based model to represent geographic information in the existent GIS. How
Owing to the close correlation of development of oil and gas reservoir and spatial geological place, the technique of GIS can be introduced into the process of development and management of oil and ga
This paper summarizes a few spatial statistical analysis methods for to measuring spatial autocorrelation and spatial association, discusses the criteria for the identification of spatial association
In recent years, Web services and Peer-to-Peer (or simply P2P) appear as two of the hottest research topics in network computing. On the one hand, by adopting a decentralized, network-based style, P2P
This article brings forward a design and realization scheme of Web GIS in the Yellow River basin for the management of groundwater resources. The main goals are to manage and share data of massive-sca