Lagrangian current measurement

Lagrangian current measurement

[lə′grän·jē·ən ′kə·rənt ‚mezh·ər·mənt]
(oceanography)
Observation of the speed direction of an ocean current by means of a device, such as a parachute drogue, which follows the water movement.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.