<b>Multi box corer</b> (spade corer) used to take nine undisturbed sediment samples from the ocean floor surface at the same time; developed at the Alfred Wegener Institute for comparative investigations of benthos in biology. The image shows the deployment of the corer off Spitzbergen from the research vessel Polarstern.
<a href="//commons.wikimedia.org/wiki/User:Hgrobe" title="User:Hgrobe">Hannes Grobe</a> 20:53, 12 November 2006 (UTC), Alfred Wegener Institute for Polar and Marine Research, Bremerhaven, Germany
CC BY 2.5
<span class="int-own-work" lang="en">Own work</span>