Long and short-term shoreline intersect points for the northern coast of North Carolina (NCnorth), calculated using the Digital Shoreline Analysis System version 5.1

The U.S. Geological Survey (USGS) has compiled national shoreline data for more than 20 years to document coastal change and serve the needs of research, management,...美国地质调查局（U.S. Geological Survey，简称USGS）已历时二十余年收集全国海岸线数据，旨在记录海岸带变化并满足科研、管理等领域的需求。