neutrally buoyant float
neutrally buoyant float (Swallow buoy) A device developed by J. C. Swallow in 1955 for measuring current speed and direction at depth in the oceans. It consists of two aluminium tubes, one containing batteries and sound-generating circuitry, the other containing adjustable weights to allow the device to float and remain at any desired depth. It emits a series of sound pulses which can be tracked by ship, allowing water motions to be measured at selected depths.
More From encyclopedia.com
Eulerian Current Measurement , Eulerian current measurement A technique for measuring the direction and speed of water movement at a series of fixed points. A current-measuring dev… Echo Sounder , ech·o sound·er • n. a device for determining the depth of the seabed or detecting objects in water by measuring the time taken for sound echoes to re… Lagrangian Current Measurement , Lagrangian current measurement A technique for measuring water movements by tracing the path of a water particle over a long time interval. A device… device , de·vice / diˈvīs/ • n. 1. a thing made or adapted for a particular purpose, esp. a mechanical or electronic contrivance: a measuring device. ∎ an exp… dosimeter , do·sim·e·ter / dōˈsimitər/ • n. a device used to measure an absorbed dose of ionizing radiation. DERIVATIVES: do·si·met·ric / ˌdōsəˈmetrik/ adj. do·s… Rain-gauge , rain-gauge
rain-gauge Device, usually of copper or polyester, used for measuring rainfall amount. A tapering funnel of standard dimension allows the…
You Might Also Like
NEARBY TERMS
neutrally buoyant float