Sentences with phrase «near the seafloor»

But, they had never been used at the unprecedented depth of 5,000 feet beneath the surface, where an estimated 7,500 tons per day of oil and 2,400 tons per day of natural gas were jetting from the ruptured wellhead near the seafloor.

You can probably recognize this one as a jellyfish, but this one is something of a recluse — it forages for crustaceans near the seafloor.

However, in a study published in the April issue of the journal Geology, a team led by researchers from Cardiff University's School of Earth and Ocean Sciences provides strong evidence suggesting that some forms of algae and bacteria were actually living in the aftermath of the asteroid disaster, and that they acted as a constant, sinking, slow trickle of food for creatures living near the seafloor.

E. laminata lives 1,000 to 3,300 meters deep in the Gulf of Mexico, near seafloor vents that seep energy - rich compounds...

There were more under the coastal waters of Peru than in the open Pacific; more near the seafloor than 1,400 feet below it.

His study concluded that a thin sheet rapidly vibrating in a wavelike motion, much like a ray swimming near the seafloor, would stay aloft.

In a field study, Diane Adams, a marine biologist at Woods Hole Oceanographic Institution in Massachusetts, and her colleagues measured the currents near the seafloor along the East Pacific Rise, a submarine ridge south - southwest of Acapulco, Mexico, that sports many hydrothermal vent systems.

Building on previous experience developing tethered robots and autonomous underwater vehicles (AUVs) at WHOI and elsewhere, the team fused the two approaches together to develop a hybrid vehicle that could fly like an aircraft to survey and map broad areas and then be converted at sea into a tethered, remotely operated vehicle (ROV) that can hover like a helicopter near the seafloor to conduct experiments or to collect biological or rock samples under real - time human control.

Housed in glass spheres and spaced between 30 and 60 kilometers apart along a line near the seafloor, the gauges included pressure sensors, floating current meters attached by 50 - meter tethers, and instruments that measure acoustic travel time from the seafloor to the sea surface.

The side roll feeding technique with extended pleats emphasizes width rather than height, resulting in more efficient feeding when encountering prey at or near the seafloor.

In the recent studies, researchers showed that this behavior happens for extensive periods of time at or near the seafloor, that it occurs in the presence of concentrations of sand lance (a preferred prey fish), and that the behavior is accompanied by the expansion of the animal's ventral (throat) pleats.

Global peaks in abundance and biomass of animals at mid slope depths occur because this is the depth range where the vertically migrating animals are most easily captured by fishes that live at or near the seafloor.