Comprehensive road network file; roads, streets, etc.
Vector
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comprehensive road network file; roads, streets, etc.
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The Digital Chart of the World (DCW) is an Environmental Systems Research Institute, Inc. (ESRI) product originally developed for the US Defense Mapping Agency (DMA) using DMA data. We used the DCW 1993 version at 1:1,000,000 scale. The DMA data… Read more.
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This report assesses the degree to which both existing and proposed terrestrial protected areanetworks protect/would protect landscape-level biodiversity, which we represent as vegetation types delineated from remotely-sensed imagery. A… Read more.
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comprehensive road network file; roads, streets, etc. Only road layer available, please contact the email address above for access to other layers.
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The CGDI Data Alignment Layer (CDAL) is a base of reliable georeferenced points available to geospatial data users for data correction. The CDAL points also enable users to simultaneously display data from various sources as well as data produced at… Read more.
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The LandScan data set is a worldwide population databasecompiled on a 30in X 30in latitude/longitude grid. Census counts(mainly at sub-national level) were apportioned to each gridcell based on probability coefficients, which are based onproximity… Read more.