Page 41: of Marine Technology Magazine (January 2022)

HMS-620 BUBBLE GUN detects a certain chemical it knows that it can turn around and come back and

MARINE SEISMIC SYSTEM return to that same point and sit down on the sea? oor to take a sample. That’s APPLICATIONS the real goal; to go over a hydrothermal • Shallow Gas Hazard Surveys • Oi shore Wind Turbine vent, to go over a hydrocarbon seep, • Geotechnical InvesO gaO on • Sand Resource InvesO gaO on to go over a giant clam, stop and turn- around, or communicate to another Or- pheus vehicle that there’s a clam over at a certain coordinate, to go, sit down, and do some more work.” Work to integrate environmental eDNA and other sensors

Portable System Requires only will also be carried out, working with

Wavelet 2KW at 250ms Ping Rate

CorrelaO on > 0.96

JPL NASA to miniaturize them to get them on the vehicles.

The grand vision – investigating the world’s Hadal Zone trenches “The idea is to have 10-12 of these being able to operate simultaneously, below 6,000 m, in a given trench, com-

Sand Reclamation Data Collected Using HMS-620 municating with each other and report-

Courtesy URI Graduate School of Oceanography ing back up to the surface,” says Shank.

Falmouth Scienti¿ c, Inc.

“Once we have that group, we’re ready

Pocasset, MA USA 02559 • Tel: +1-508-564-7640 • Fax: +1-508-564-7643 to go for the real grand challenge in our [email protected] • www.falmouth.com vision. That’s to go around and do a global tour of exploration of the differ- ent trenches. We have reason to believe the trenches are vastly different, de- pending on where they are in the world, and the diversity is really different and there are hubs of biodiversity and evo- lutionary novelty and it’s really impor- tant for us to compare them.” © Archivist/AdobeStock

Two vehicles have been built to date, named

Orpheus and Eurydice, after the lovers of Greek myth legend. www.marinetechnologynews.com 41

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