Nearshore bathymetry data from the Elwha River delta, Washington, May 2011, collected from personal watercraft

This part of the data release presents bathymetry data from the Elwha River delta collected in May 2011 using two personal watercraft (PWCs). The PWCs were equipped with single-beam echosounders and survey-grade global navigation satellite system (GNSS) receivers.本次发布的数据部分展示了2011年5月利用两艘个人水上摩托（personal watercraft, PWCs）采集的埃尔瓦河三角洲水深测量数据。上述个人水上摩托搭载有单波束回声测深仪（single-beam echosounders）与测量级全球导航卫星系统（GNSS）接收机。