Sentences with phrase «under seafloors»

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

The Navy wanted to know if hydrates under the seafloor were interfering with acoustic signals picked up by an underwater hydrophone array used by the military to track Soviet subs.

For more than two decades, scientists studying hydrothermal circulation in the water under the seafloor have assumed that the flow is relatively stable.

Methane - producing microbes under the seafloor may have set the stage for catastrophe, yet again.

The smoke turned out to contain concentrated metal sulfides, which the superheated salt water was drawing out from the volcanic rock under the seafloor.

«Maybe microbes are eating it, or maybe it's accumulating in reservoirs under the seafloor.

Turning big, frozen deposits of methane buried under the seafloor into fuel for our cars and homes is coming closer to reality.

Not only is there a much higher diversity of microbes under the seafloor than originally thought, large and active populations exist much deeper in the sediments than was believed, the team reports 21 July in Nature.

Although these two carbon sources alone wouldn't have accounted for the dramatic warming event that followed, once a bunch of greenhouse gas is released into the atmosphere, as we modern earthlings have been observing in real time lately, it destabilizes and releases other greenhouse gases like methane locked up in permafrost or under the seafloor.

This cutaway view of Saturn's moon Enceladus is an artist's rendering that depicts possible hydrothermal activity that may be taking place on and under the seafloor of the moon's subsurface ocean, based on recently published results from NASA's Cassini mission.

Not exact matches

Under Morgan and Gulick's leadership, Liftboat Myrtle finally sinks its drill bit into the seafloor in April.

Macdonald says the process of continental plates spreading apart and filling in with magma is analogous to what happens on the deep seafloor at mid-ocean ridges, which are difficult to study because they lie a few kilometres under water.

Cores taken from under the open ocean are often stained green from microscopic plants called diatoms that settle to the seafloor after dying, but this core contained none.

Among other things, GRACE may have found a crater deep under the Antarctic ice that may mark an asteroid impact greater than the one that doomed the dinosaurs, measured the seafloor displacement that triggered the tsunami of 2004, and quantified changes in subsurface water in the Amazon and Congo river basins.

We had just pulled up our drill pipe, replaced its worn drill bit, and lowered it back down to the seafloor, a mile under our ship.

Possibilities include the creation of de facto marine reserves as fish cluster under the fields of floating turbines, loss of birds that fly into the turbines, entanglement of sea creatures in cables used to tether the turbines to the seafloor, and disruption of movement patterns of underwater animals.

Magma rising under submarine volcanoes as the grow causes the seafloor and ocean crust to dome, triggering landsides.

This is because the campaign's seafloor survey revealed features under the ocean, such as troughs cut by glaciers during the last ice age, which must continue upstream under the glacial ice.

Striped areas represent the maximum stretch of seafloor each is likely to claim as additional territory under the United Nations Convention on the Law of the Sea.

The team plans to apply for funding to return to the ice shelf with a more advanced robot that could go farther under the ice, all the way to the seafloor.

Under - ocean waves are started by tidal flow over the seafloor.

Their calculations included the most recent information for how seafloor weathering occurs on geologic timescales, and under different conditions.

The seafloor around and under these bundles was carpeted with tiny wood chips and fecal pellets from wood - boring clams, as well as bacteria and fungi that help decompose this organic matter.

Boulder, Colo., USA: Cretaceous climate warming led to a significant methane release from the seafloor, indicating potential for similar destabilization of gas hydrates under modern global warming.

In the video, Ash describes her work to understand the balance between the massive amount of methane, a greenhouse gas, under the Antarctic seafloor and the microbes that consume it and keep it from escaping to the atmosphere, as well as the microbes» susceptibility to climate change.

In the abyssal realm, seafloor habitats under areas of deep - water formation (e.g., those in the North Atlantic and Southern Oceans) could experience a maximum decline in O2 concentration of 0.03 mL L — 1 by 2100 (i.e., a 0.5 % drop from current levels; Tables 2, 3; Figures 2, 3).

Known as the «sulfur pearl of Namibia,» this anaerobic species digests organic matter under low - oxygen (or no - oxygen) conditions that are caused by high rates of phytoplankton growth in the Benguela upwelling zone, and the subsequent decay of large masses of dead phytoplankton that have fallen to the seafloor.

Deposits of this may be quite thick meters thick and tend to develop under permanently frozen Arctic soils or beneath the polar seafloor.

It rises up from the seafloor and may come to just above or just under the water's surface.

If such a cable were used to reach the seafloor in the Mariana Trench, it would snap under its own weight.

As the seafloor moves slowly east, it slides under the North American continent and leaves behind scrapings of radiolarian chert and pillow basalt.

Since, if I remember correctly, subduction generally occurs when a dense oceanic plate dives under a less dense continental plate, you'd have to get the waste to the seafloor and then bury it there in such a way that it wouldn't leak into the water before it sank deep enough into the Earth to be safely forgotten about.

And it was recognized those actions were a crap shoot (Where good science and policy goes bad: de-salinization plants in Oz rather than managing episodic flooding, drilling 20,000 ′ below a seafloor 5,000 ′ under a precious biosphere to seek oil that is abundantl available on dry land, for examples), but can anyone name a project of doubt on the scale of this one where unspeakable trillions are to be spent, redistributed, productivity disincentized, where people's lives across the world will be thrown into uncertainty, where this trans - generational mindset will, by design, crush the willful and spirited energy and creativity of human kind until it is finally overthrown democratically or otherwise?

An educated guess would be that the leak originated under water, potentially from the pipeline leading from the Douglas Complex, from the riser pipe from the seafloor to the OSI, or from the seafloor junction between the two.

An international team of scientists under the leadership of the Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, has for the first time succeeded in creating a digital map of the entire Antarctic seafloor.