shipborne acoustic doppler current profiler (ADCP) beam 4
|Within Vocab||BODC parameter semantic model analytical method entity descriptions|
|Definition||Current measurement from one transmitter on a current meter capable of simultaneous measurement of current velocity at different depths based on determining Doppler shift of transmitted sound. Instrument mounted on a moving platform such that the signal is transmitted downwards toward the seabed. Note that unless the ship is firmly anchored currents are not measured directly and need to be computed by differencing ship's velocities relative to land and water.|
|Has Current Version||1|
||analytical method entity||Mapping: 1472843|
||Echo intensity of acoustic signal returns from the water body by shipborne acoustic doppler current profiler (ADCP) beam 4||Mapping: 1746562|
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