Distance between ROV and sea ice from ROV survey PS122/4_46-175 on 2020-07-10...

The distance between a remotely operated vehicle (ROV) and the sea-ice underside was measured by a single-beam upward-looking acoustic sonar altimeter (Tritech PA500) attached...采用搭载的单波束向上型声呐高度计（Tritech PA500），对遥控无人潜水器（ROV）与海冰下表面之间的距离开展了测量。