全球海道测量设备市场报告(2015-2019年)
Hydrographic equipment is used in hydrographic surveys to measure tides and currents, and collect wave information of physical oceanography. These data include bottom depth measurements and are used in various applications such as hydrographic charting, tracing offshore oil and gas reserves, port and harbor management, and coastal engineering. Hydrographic equipment includes SONAR, GPS/DGPS, echo sounders, profilers, and tidal gauges.