Plymouth Marine Laboratory Near-Surface Sampling Device
|Within Vocab||SeaVoX Device Catalogue|
|Alternative Labels||PML NSSD|
|Definition||A water sample collection system comprising a flotation ring supporting a central vertical spar that carries a 8 sampling bottles, of which the upper 5 are vertically spaced at 20 cm intervals and the lower 3 at approximately 30 cm intervals. The spar also carries an array of thermistors spaced at logarithmic intervals between a few mm below the surface to approximately 2 m depth. Atop the spar is a control system which continuously logs the thermistor data. The device is deployed from a vessel and allowed to drift away on a tether with a conductive core. Thermistor data are transmitted up the cable to a host computer on board the ship, while the control system allows for the remote firing of the sampling bottles by the host computer.|
|Has Current Version||1|
||discrete water samplers||Mapping: 472728|
||Plymouth Marine Laboratory||Mapping: 1448505|
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