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Regional climate is a critical factor in public health research, adaptation studies, climate change burden analysis, and decision support frameworks. Existing climate regionalization schemes are not w...
The deformation monitoring network with GPS is often separated, and it appears short-baseline and high-drop between monitoring sites. In theory, the base stations must be set up in the stableplace. Bu...
Mineral resources are important non-renewable resource, its reserves are limited. However, with the social development and population growth, the depletion of mineral resources is increasing rapidly, ...
The formalization description of user needs is one of key issues in GIS on-demand services. A number of user demand documents is collected, the paper analyzes them in semantics and geometric aspects, ...
Mobile Spatial Information Service can put spatial information technology, mobile contact, internet and etc. together, make plenty of information and strong service function of Geographic Information ...
Desertification is caused by the influence of the climatic, environmental changes and human activities. Its enlargement and reverse leads to not only the changes of spatial structure, scope and enviro...
As an important component part of the information industry, the pillar industry in 21th’s century, GIS Industry greatly affects national comprehensive capability and defense safety. After the several ...
As an important component part of the information industry, the pillar industry in 21th’s century, GIS Industry greatly affects national comprehensive capability and defense safety. After the several ...
Knowledge-based predictive mapping is a kind of mapping approach which links the existing geo-spatial data and knowledge to predict the status of unknown geographical phenomena. The knowledge reflects...
The Web Feature Service (WFS) developed by the Open GIS Consortium (OGC) provides geographic data encoding in Geographic Mark Language (GML) on feature level. The WFS specification defines interfaces ...
Following the advancement of spatial acquisition technologies, more and more spatial data/information has been collected by the integrated ground-air spatial information collection system. Spatial inf...
The paper firstly introduces grid technology and spatial database. Secondly it has designed the spatial database model in grid environment, which contains Application layer, Collective Layer and Fabri...
Image re-sampling according to epipolar geometry is a prerequisite for a variety of photogrammetric tasks such as stereoscopic observation. Executing stereoscopic observation by virtue of a pair of ep...
Through ASTER, ETM, SPOT5 and IKONOS four kinds of remote-sensing images (a coarse correction) , this paper makes a geometric correction for these four remote sensing images, using the control points ...
With the expressway forming the network, different construction costs of expressway sections cause the ambiguous path problems of the expressway network. The identification of the expressway ambiguous...

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