Beach profile data for the Elwha River Delta, 2023-05-25

Shoreline topography data were collected using GNSS survey methods, with a differential GPS, typically an AshTech ProMark 200 RTK-DGPS system connected to the Washington State...

岸线地形数据通过全球导航卫星系统（GNSS）测量方法采集，所用设备为差分GPS，通常为连接至华盛顿州的AshTech ProMark 200型实时动态差分GPS（RTK-DGPS）系统。