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HROV Nereus track during a hunt for hydrothermal vents.

HROV Nereus track during a hunt for hydrothermal vents.
HROV Nereus track during a hunt for hydrothermal vents.
HROV Nereus track during a hunt for hydrothermal vents.
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168388
German, Christopher R.
HROV Nereus track during a hunt for hydrothermal vents.
Illustration
08/03/2010
graphics/german-cayman_blog/Blog17_PicB.jpg
Image of The Day caption:
The track of the hybrid remotely operated vehicle (HROV) Nereus is depicted here as it hunted for hydrothermal vents in the Cayman Trough in 2009. The green and blue dots denote strong evidence of hydrothermal fluids flowing up from the seafloor. Yellow, orange and red signify progressively weaker evidence of vent activity. During the preprogrammed part of the mission, shown by the tracks on the right, Nereus found few signs of hydrothermal vents. When it got a strong "hit" from the sensor, the scientific team re-tasked the vehicle using an acoustic communication link to execute a new set of tracklines shown on the left that centered on the suspected target.
Photo by Chris German
© Woods Hole Oceanographic Institution
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