Marie Urban Group Leader Contact URBANML@ORNL.GOV All Publications Uncertainty Quantification Techniques for Population Density Estimates Derived from Sparse Open Source Data The Effects of Quality Control on Decreasing Error Propagation in the LandScan USA Population Distribution Model: A Case Study of Philadelphia County Assessing Spatial and Attribute Errors of Input Data in Large National Datasets for use in Population Distribution Models LandScan USA: A High Resolution Geospatial and Temporal Modeling Approach for Population Distribution and Dynamics Pagination First page « First Previous page ‹â¶Ä¹ Page 1 Current page 2 Key Links Organizations National Security Sciences Directorate Geospatial Science and Human Security Division Human Dynamics Section Human Geography Group