Ocean Ecology Dual Van Veen Grab
|Within Vocab||SeaVoX Device Catalogue|
|Alternative Labels||Ocean Ecology Dual Van Veen Grab|
|Definition||A simple stainless steel clam-shell sediment grab designed to retrieve sediment samples from shallow and deep waters. On descent two levers with buckets at their ends are spread like open scissors that unlock on hitting the seabed. When pulled upwards the two buckets close and grab a sample. This is subject to more disturbance than by Craib or box corers. The double grab configuration allows for more efficient sampling operation. It comes mounted to a purpose-built deck stand and galvanised seabed frame. It has a typical sampling area of approximately 0.2 m2 (10 litre capacity per bucket).|
|Has Current Version||1|
||sediment grabs||Mapping: 1609423|
||Ocean Ecology||Mapping: 1609429|
||Ocean Ecology||Mapping: 1609435|
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