nansen bottle
used to collet water samples at depth
secchi disk
to estimate the transparency of the water
Tritation apparatus
equipment used to measure and mix solutions in a titration process.
plankton net
used to catch plankton and small organisms
trawl
type of net used for fishing, dragged through water to catch fish.
seine
large fishing net that is cast around an area and then pulled in to catch fish.
drift bottle
a bottle with a message inside that is set adrift to be found by someone else.
corer
tool used to collect samples of sediment or soil from the seafloor.
piston corer
tool used to extract a core sample of sediment from the seafloor by using a piston mechanism to push a sample tube into the sediment.