JPEG Images of the Floor of the John Day Reservoir Acquired in 2002

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...本研究于哥伦比亚河约翰·戴水库（John Day Reservoir）开展为期两周的野外作业，以对该库区湖床进行成像，并测定……的分布特征与厚度。