Sentences with phrase «through seafloor»

Groundwater with a low carbonate saturation state (Ω ≈ 0.5) and reduced pH (6.70 — 7.30) seeps through the seafloor, creating localized low seawater pH in the natural submarine groundwater springs at Puerto Morales, Mexico (Crook et al. 2012).

[4] The ocean's influence extends even to the composition of volcanic rocks through seafloor metamorphism, as well as to that of volcanic gases and magmas created at subduction zones.

The other half seeps in at greater distances and migrates for kilometers through the seafloor before exiting years later.»

«Hydrothermal siphon» drives water circulation through seafloor: New study explains previous observations of ocean water flowing through the seafloor from one seamount to another.»

The heat expands the water, percolating it through the loose layer above and shooting it through a seafloor laced with sulfur, methane, iron, and other chemicals.

The marine mammal may even have had short, walrus - like whiskers to better sense prey while grubbing through seafloor sediments, the researchers speculate.

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

Not exact matches

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.

Four years before the Russians started punching their way into the Kola crust, the United States had given up on its own deep - drilling program: Project Mohole, an attempt to bore several miles through the Pacific seafloor and retrieve a sample of the underlying mantle.

And last year, researchers found a partial skeleton beneath the sloping seafloor that, through DNA analysis, promises to reveal the biological details of a passenger.

But an open question is whether the flood also tore through the eastern Mediterranean, over a seafloor cliff separating the shallower continental crust in the west from the deeper oceanic crust in the east.

He called it Tektite, for meteors that survive their fall through the atmosphere, crashing into the ocean and leaving pearl - like fields of debris along the seafloor.

In Pescadero Basin, however, hydrothermal - vent fluids pass through thick layers of seafloor mud.

Through the process of seafloor spreading, new ocean crust continually comes into being here.

Perhaps extra carbon dioxide from a period of heightened seafloor eruptions eventually percolates through the ocean and into the atmosphere, allowing warming that would deliver a coup de grâce to the massive ice sheets.

For days or even weeks at a time, these guns send a volley of ear - shattering sound through the ocean to impact the seafloor every ten seconds or so.

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.

The ash was deposited on the seafloor after being blown through plumes that rose miles into the atmosphere and drifted over the ocean.

«We wanted to map the ridge to see where vent fields were likely to be,» Baker says, riffling through the multicolored maps of the seafloor that clutter the desk in his Seattle office.

The selective extinction of large - bodied animals could have serious consequences for the health of marine ecosystems, the scientists say, because they tend to be at the tops of food webs and their movements through the water column and the seafloor help cycle nutrients through the oceans.

Then, looming out of the dark and into the sub's tight halo of floodlight, through curtains of rising bubbles that made it seem as if the sub were driving through champagne, Seifert saw chimneys — black, knobby spires, the tallest rising more than 13 feet off the seafloor.

The giant Kidd Creek mine in Ontario, Canada, is an example; miners there descend through shafts more than a mile deep to extract copper, zinc, and silver from an ancient chunk of seafloor.

Scientists at the University of Aberdeen in Scotland are running experiments with an automated submersible that has a camera designed to record bioluminescent signals as it descends through the ocean and lands on the seafloor.

The captured CO2 will be liquefied on site and pumped through a two - foot - diameter pipeline that will snake south through the waters of the Arthur Kill, turn eastward through Raritan Bay out into the Atlantic Ocean, and arrive, about 140 miles later, at a natural repository of Lower Cretaceous sandstone more than 8,000 feet below the seafloor.

They suspended conical «sediment traps» above the seafloor to collect and measure the amount of marine snow falling through the water.

While the methane in the Von Damm vent system they studied was produced through chemical reactions (abiotically), it was produced on geologic time scales deep beneath the seafloor and independent of the venting process.

But Solan says that scientists first need to study how noise pollution reverberates through marine ecosystems, all the way down to the seafloor.

Researchers reconstructed Arctic circulation through deep time by measuring radioactive trace elements buried in sediments on the Arctic seafloor.

Beneath the icy surface of Enceladus, liquid water is heated as it percolates through the rock of the seafloor.

«Cameras have recorded seafloor animals up to 150 km away from the open sea on Amery ice shelf but only photos of tiny area were taken through drill hole,» Katrin Linse, senior biodiversity biologist with the British Antarctic Survey, told Earther.

 Utilizing snorkeling gear and trash bags, staff worked their way over the seafloor and through mangroves picking up litter as they came across it.

Despite this, Prime Minister Dean Barrow and the government of Belize have decided to move forward with a plan that, according to the World Wildlife Fund, «involves using airguns to blast shock waves through the water that are powerful enough to penetrate the seafloor» less than one mile from the UNESCO Heritage site of the Belize Barrier Reef Reserve System.

Manta Ray Bay, at Hook Island in the Whitsundays, has an array of underwater valleys, caves, and swim - throughs leading all the way to the seafloor 25 metres below.

However, several studies suggest that significant amounts of CH4, produced within the Earth's crust (mainly by bacterial and thermogenic processes), are released into the atmosphere through faults and fractured rocks, mud volcanoes on land and the seafloor, submarine gas seepage, microseepage over dry lands and geothermal seeps (Etiope and Klusman, 2002; Etiope, 2004; Kvenvolden and Rogers, 2005).

He said he first learned to operate a remotely piloted submersible in 1988 while making «The Abyss» and, through and after making «Titanic,» worked extensively in waters far deeper than the location of the destroyed gulf well, designing pressure - resistant camera housings, lighting towers that could be dropped to the seafloor two miles down and other gear requiring pushing the edges of deep - sea engineering.

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 effects vary by region, and they are significant, altering the ocean's carbon cycle from the surface, where photosynthetic organisms fix carbon from the atmosphere, all the way through the water column to the seafloor, where carbon can be sequestered.

The researchers looked at data collected by an array of instruments that measured water velocity through the Drake Passage from the surface of the ocean to the seafloor.

The loss of ice has also fueled interest in opening shipping routes through the region, as well as exploiting natural resources, such as oil, found beneath the seafloor.

Model results, and the sedimentary record of deglaciated marine regions in both hemispheres, show that grounding lines tend to stabilize on local seafloor highs or fjord narrowings, and then to increase that stability through sedimentation (Anandakrishnan et al., 2007; Alley et al., 2007; Dowdeswell et al., 2008).

Full - depth convection, from the ocean surface to the seafloor, was active through most of the Southern Ocean.

(This is setting aside oxidation of organic C that has settled to the seafloor; there is a significant amount (about 50 times the marine biota) but the flux is very slow — the total C added to the sea floor each year is about 0.2 Gt, which is a tiny fraction of the 50 Gt cycled through marine biota; even if that were all organic C (I think it is actually mostly inorganic), the rate of oxydation of organic C in the ocean would still have to be almost equal to the rate of organic C production, which is the approximation I used before in calculating the rate of O2 uptake by that process.