The pictures show the deployment and recovery of the piston cores. The first picture to the right is the pinger, which is responsible for knowing the distance from the bottom via sound waves. Once a suitable distance is reached, a trigger, induces the piston to free fall and hit the bottom, hopefully digging through the sediment mud. The piston is then pulled up as could be seen in the last 3 pictures. (More.)
  |
| | atmosphere | large volume | ctd | piston core | clean room filtration work | in-situ filtration | sediment trap | cruise | |
  |