Sampling Fluids by Osmotic Pumps

The intake for an Osmo fluid sampler is installed during VISIONS'17. Very small diameter tubing is filled with fresh water; seep fluids are drawn into the tubing osmotically. The fluids will later be analyzed onshore to examine the evolving chemistry of methane seeps. Credit:UW/OOI-NSF/WHOI; V17.

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