Sentences with word «seafloor»

In the recent paper, the researchers focused on seafloor debris in and around Monterey Bay — an area in which MBARI conducts over 200 research dives a year.

A recent study by Moffitt and colleagues of seafloor sediments from the end of the last Ice Age, around 10,000 to 17,000 years ago, revealed that Pacific Ocean ecosystems from the Arctic to Chile «extensively and abruptly lost oxygen when the planet warmed through deglaciation,» she said.

The technology helped them zero in on an intriguing section of seafloor in the little - known Santos Basin, off the coast of southern Brazil.

Huge quantities of methane, the theories say, have escaped from seafloor hydrates at various times in the past, wreaking havoc.

To see his subjects up close, McClain hops a ride in a submersible, a 23 - by -8-foot research vessel designed to withstand the enormous pressure at seafloor levels.

Working in remote conditions, researchers in the winter of 2012 ran a drill through 450 meters of ice and 500 meters of ocean to collect seafloor sediments on either side of this lost bulwark.

It is known that several of them are engaged in mapping seafloor features that will (it is hoped) support various territorial claims.

«Satellite radar data have given us a detailed picture of where natural seeps are concentrated across deep seafloor of the Gulf of Mexico,» said co-author Ian MacDonald, an oceanographer and professor at Florida State University.

Scientists studying methane leaking from the Arctic seafloor off Norway near Spitsbergen say, with the usual caveat that more research is needed and the specific details not yet known, it does not appear that the potent greenhouse gas is being released because of human - caused climate change.

Its long burial beneath seafloor sediments isolated it from cosmic rays that could have triggered WIMP - masking radioactivity within the lead.

In a previous study, Melanie Bergmann analysed photographs from the deep Arctic seafloor for signs of plastic, glass and other types of litter.

While hydrothermal activity can produce considerable quantities of hydrogen, in porous rocks often found under seafloors, radiolysis could produce copious amounts as well.

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

Collaborating with colleagues in US and Germany on the important issue of sea - air flux of greenhouse gases above seafloor methane seeps has been rewarding for all of the researchers involved.»

In the third type of vent environment, «hydrothermal seeps,» much cooler (less than 30 - 60 degrees Celsius) water trickles out of lava flows interleaved with seafloor mud.

On bathymetric maps of seafloor topography, they look like grooves on a record.

By examining the most comprehensive collection of seafloor data from offshore eastern Sicily and the Maltese Islands, an international team of geoscientists has now discovered an extensive buried mass of material that is thought to have been eroded and transported by the Zanclean flood.

But some of them also wind up as a part of a hidden underground flow that seeps into the ocean through seafloor fissures.

«More «losers» than «winners» predicted for Southern Ocean seafloor animals.»

doi: 10.1073 / pnas.1618926114 Press release, USGS: Ocean Absorption of Carbon Dioxide More than Makes Up for Methane Emissions from Seafloor Methane Seeps

In the waters off Antarctica at the southernmost seafloor vents where hot water percolates from below, piles of hairy crabs swarm in the thousands.

This Website offers information and resources for studying seafloor animals, hydrothermal vents, mid-ocean ridges, axial volcano, lava flow, and tools and technology.

Scientists found that the Venus's hair bacteria had managed to take over miles of seafloor around the Tagoro volcano, near the Canary Islands.

These sills act as barriers to the deep, warm water, the new seafloor maps show.

By combining laboratory experiments, computer simulations and real - world observations, researchers discovered that the horizontal movement of sloped seafloor during an underwater earthquake can give tsunamis a critical boost.

Bathyal seafloor habitats in the North Pacific, North Atlantic, Arctic and Southern Oceans could experience a reduction in bottom - water oxygenation by 0.03 — 0.05 mL L — 1 by the year 2100 (Table 2; Figure 2), which represents a reduction in water column O2 levels by 0.7 % — 3.7 % (Table 3; Figure 3).

«The large rocky promontories of Cape Perpetua and Heceta Head, the productive ocean waters and expansive sandy seafloor environments, mark a unique transition from the nearshore rocky reefs to the north off Seal Rock and the subtidal reefs and kelp forests to south at Cape Arago.

A mission to study seafloor life suddenly exposed by the breaking away of the Larsen C iceberg last July was delayed as it tried to navigate through floating ice, some chunks as thick as 5 meters.

This research was partly based on seafloor sampling at hydrothermal vent sites using the NOC maintained robotic vehicle Isis, which was launched over the side of the RRS James Cook.

Samples drilled from 3.5 - million - year - old seafloor rocks have yielded the strongest evidence yet that a variety of microorganisms live deeply buried within the ocean's crust.

«European seafloor survey reveals depth of marine litter problem.»

However, if degassing is more dependent on seafloor pressure and regassing mainly dependent on mantle temperature, the degassing rate is relatively large at late times and a steady - state between degassing and regassing is reached with a substantial surface water fraction.

Formed some 60 million years ago, these concretions conglomerated from ancient seafloor sediments until shoreline erosion gradually unearthed them from the cliffs.

Scientists have previously documented a recently exposed Antarctic seafloor ecosystem only after it was already in transition.

«Underwater volcano's eruption captured in exquisite detail by seafloor observatory.»

The «methane bomb» idea refers to deep water seafloor hydrate deposits.

«One of the advantages we have with seafloor volcanoes is we really know very well where the magma chamber is,» Wilcock said.

In April 2017, a team of NOAA - led researchers will explore the deep seafloor environment of Channel Islands National Marine Sanctuary (CINMS) aboard NOAA ship Bell M. Shimada.

South Africa has tried putting a cable that emits an electric pulse along a section of seafloor between a beach and open ocean.

GPS and acoustic data reveal very large seafloor movements associated with the quake directly above the focal region.

Lead author of the study, Dr Caroline Eakin, Research Fellow in Ocean and Earth Science at the University of Southampton, said: «The process of consuming old seafloor at subduction zones, where great slabs of oceanic material are swallowed up, drives circulation in the Earth's interior and keeps the planet going strong.

Clams have turned up in the sunless, high - pressure depths surrounding seafloor vents.

On the other hand, as Scott himself points out, it was a quarter century ago, in 1984, that he first predicted seafloor sulfide deposits would be mined one day.