Water surface elevations recorded by submerged water level loggers in off-channel features of the middle and upper Willamette River, Oregon, Summer, 2016

Water surface elevations within seven Willamette River off-channel features (OCF; alcoves and side channels) were measured using submerged pressure transducers....研究人员采用浸没式压力传感器，对威拉米特河（Willamette River）的7处河道外地貌（off-channel features, OCF；涵盖凹岸区域与支流水道）内的水面高程开展了测量工作。