Navy Engineering Lab (NEL) from WHOI design jumbo piston corer
|Within Vocab||SeaVoX Device Catalogue|
|Definition||The Jumbo Piston Corer (JPC) is a coring system that combines a dynamically falling heavy gravity corer with an interior piston that works to expel water and draw sediment into the corer. Piston corers, like gravity corers, are generally used in areas with soft sediment, such as clay. The addition of the internal piston allows the soft sediment to be captured without significant compression or disturbance. It is launched using a rail system, and can be configured in lengths from 3m to 12m. Its head Weight is 1,180 kg, and the total system weight (Including track system) is around 11,300 kg. The system has a minimum operational depth of 50m, but its maximum operational depth is limited only by the amount of wire on ship.|
|Has Current Version||1|
||unconsolidated sediment corers||Mapping: 1614573|
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