American Samoa: Continuously Updated Digital Elevation Model (CUDEM) - 1/3 Arc-Second Resolution Bathymetric-Topographic Tiles

NOAA's National Centers for Environmental Information (NCEI) is developing a suite of digital elevation models (DEMs) for the U.S. coast to support a variety of NOAA...美国国家海洋和大气管理局（National Oceanic and Atmospheric Administration，NOAA）下属的国家环境信息中心（National Centers for Environmental Information，NCEI）正在为美国海岸带开发一套数字高程模型（digital elevation models，DEMs），以支撑NOAA的各类相关工作。