NOAA Office for Coastal Management Coastal Inundation Digital Elevation Model: Portland (OR) WFO - Clatsop, Columbia, and Multnomah Counties

This digital elevation model (DEM) is a part of a series of DEMs produced for the National Oceanic and Atmospheric Administration Office for Coastal Management's Sea...本数字高程模型（digital elevation model, DEM）是为美国国家海洋和大气管理局海岸管理办公室制作的系列数字高程模型的一部分，该系列模型服务于海洋……