Instrument: Gravity Corer

Instrument: 
Instrument Short Name: Gravity Corer
(http://vocab.nerc.ac.uk/collection/L05/current/51/)
Instrument Description:

The gravity corer allows researchers to sample sediment layers at the bottom of lakes or oceans. The coring device is deployed from the ship and gravity carries it to the seafloor. (http://www.whoi.edu/instruments/viewInstrument.do?id=1079).

PI supplied instrument name: gravity core
Dataset-specific description

The sediment subsamples were collected from long piston cores or shorter gravity cores.