Scientist use grab sampler like this one to collect sediment samples from the bottom of the ocean to studies its composition and propoerties. The sampler is lowered to the seafloor. When it hits the seafloor it closes the clamp and the material is brought back to the ship.
Species (common):
Year: 2007
Details:
Media Type: Photograph
Data Type: Photograph
Device Type: Camera:Digital
Feature: Antarctica:AmundsenSea
Investigator: Frank Nitsche
Expedition: NBP0702
Chief Scientist: Stan Jacobs
Species: