Sidescan-sonar Image of the Eastern Portion of the John Day Reservoir - Washington State Plane South

A two-week field operation was conducted in the John Day Reservoir on the Columbia River to image the floor of the pool, to measure the distribution and thickness of...本研究在哥伦比亚河（Columbia River）上的约翰·戴水库（John Day Reservoir）开展了为期两周的野外作业，以对该库区底部进行成像，并测量……的分布与厚度。