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2 Titles Match Your Query
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1. LandScan [Landscan]
The LandScan data set is a worldwide population database compiled on a 30" X 30" latitude/longitude grid. Census counts (at sub-national level) were apportioned to each grid cell based on likelihood ...

2. A New High-Resolution National Map of Vegetation Ecoregions Produced Empirically Using Multivariate Spatial Clustering [ORNL_MGC]
A parallel supercomputer was used to divide the conterminous 48 states of the United States into 1000, 2000, 3000, 5000, and 7000 ecoregions with relatively homogeneous values of elevation, edaphic, ...

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