Nearshore bathymetry data from the Elwha River delta, Washington, September 2010

This part of the data release presents bathymetry data from the Elwha River delta collected in September 2010 using a personal watercraft (PWC) and a small boat. Both survey vessels were equipped with single-beam echosounders and survey-grade global navigation satellite system (GNSS) receivers.

本次发布的数据的这一部分包含2010年9月借助个人水上交通工具（personal watercraft, PWC）与小型船舶在埃尔瓦河三角洲采集的水深测量数据。两艘测量船均配备单波束测深仪（single-beam echosounders）与测量级全球导航卫星系统（global navigation satellite system, GNSS）接收机。