Sentences with phrase «of seafloor»

The researchers studied cores of seafloor sediment representing 500,000 years of deposition, spanning about 6,000 miles of the Pacific equator, from near Papua New Guinea to near Ecuador's Galapagos Islands — nearly a quarter of the globe's girth.

And along the way, the expedition is garnering some attention with incredible images of the seafloor and the wildlife above as well, both of which you can see on the following pages.

In a WHOI laboratory, geophysicist Rob Reves - Sohn (left), geologist Adam Soule, and graduate student Claire Willis analyze samples of seafloor deposits brought back from the Gakkel Ridge.

For example, after discovering 9 - 10 new invertebrate species in only about 2 m2 of seafloor in the Canada Basin, MacDonald et al. [305] concluded that potentially hundreds of more new species may be found in future inventories in the Arctic basins or even in the Canada Basin alone.

The theory of seafloor spreading had one skeptic who kept the scientists on their toes for years until they got it right with enough data of different types.

Assessment of the seafloor environment, meteorological conditions, and ecological impacts calls for geologists, meteorologists, oceanographers, marine biologists, and other individuals in specialized scientific disciplines.

They are the growing edges of giant tectonic plates; as lavas push out, they form new areas of seafloor, which comprise some 80 percent of the planet's crust.

Pulsing of seafloor volcanic activity may feed back into climate cycles, possibly contributing to glacial / inter-glacial cycles, the abrupt end of ice ages, and dominance of the 100 kyr cycle.

Yet scientists recently reported coral recovery in this northwestern region, and we too found massive coral colonies, some reaching 4.5 meters (15 feet) in diameter and covering well over 50 percent of the seafloor.

This was the problem with the fixed continent theory and why it took only the discovery of seafloor spreading in the mid-Atlantic for the fixed - continent theory to be falsified and to be replaced by plate - tectonics.

Some 14 were situated at the transition depth, where there are more plumes per unit area than on surrounding areas of the seafloor.

It comprises a number of seafloor elevations (Lomonosov Ridge and Alpha Ridge) and forms the submerged prolongation of the land mass of Canada.

This continental margin comprises a number of seafloor elevations and forms the submerged prolongation of the land mass of Canada.

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.

This area has, to our knowledge, never been ice free before and we have no images of the seafloor.

The institute investigates the chemical, physical, biological and geological processes of the seafloor, oceans and ocean margins and their interactions with the atmosphere.

Scientists exploring a patch of the seafloor some 3 kilometers (1.9 miles) deep inside the Pacific Ocean have accidentally stumbled upon a large nursery of octopus mothers.

Rates of seafloor spreading may however contribute (over geologic time) to significant eustatic sea level variation.

See [this link]-- a rig for 3,000 meters of water and 10,000 meters of seafloor, delivered.

The model also shows that the presence of seafloor anoxia, as suggested by black - shale deposition in the proto - North Atlantic Ocean before the event, might be the result of the silled shape and lack of deep - water formation of this basin at the Late Cretaceous.

Shimmering with different colors, the bathroom's walls made me think of the seafloor.

Scientists are also investigating whether seamounts act as oases or «stepping stones» for life amid barren expanses of seafloor.

The technology may help find aircraft lost at sea and create detailed map of the seafloor.

The UCSB scientists are making new contributions to this field of inquiry in their studies of seafloor hydrothermal fluid discharge into the Earth's oceans, which has been occurring ever since the oceans first formed four billion years ago.

The sides of abyssal hills are fault escarpments (or scarps) created by vertical uplift of the seafloor during many events of fault slippage that produce frequent earthquakes.

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

Structure and function of benthic communities, deposit feeding, mysid ecology, bio-acoustics of the seafloor and near the seafloor, biological - physical interactions, effects of turbulence

And during an expedition in the Atlantic Ocean, her team discovered a new type of seafloor vent.

Model predictions from the North Atlantic have revealed that over 17 % of the seafloor area below 500 m depth will experience pH reductions exceeding 0.2 units by 2100 because of subduction of high - CO2 waters by thermohaline circulation (Gehlen et al., 2014).

They lived at the bottom of shallow seas and were able to bury into the muddy sediment of the seafloor.

In a series of models, Grilli and his former doctoral student Jeff Harris worked backwards in time to recreate the movement of the seafloor from the earthquake and concluded that an additional movement underwater about 100 kilometers north of the earthquake's epicenter must have occurred to propagate the large waves that struck Sanriku.

Whatever the reason, these differences in colonization from one wood fall to another created a wide variety of habitats and animal communities over a relatively small patch of seafloor.

Professor Stephan Grilli, an international leader in the study of tsunamis, said the generally accepted explanation for the cause of the tsunami had been the earthquake, the fifth largest ever measured, which created a significant uplift and subsidence of the seafloor.

NOAA's research ship Okeanos Explorer and its ROV Deep Discoverer (aka D2) wrapped up their latest exploration of the seafloor and marine canyons around Puerto Rico last week.

Our results stress the importance of external climatic forcing of the dynamics of the seafloor, and the role of the rapid warming following the Younger Dryas in pacing the marine gas hydrate reservoir.

Reviewing surveys of the seafloor conducted by Japanese scientists before and after the earthquake, the scientists found signs of a large slump on the seafloor — a rotational landslide 40 kilometers by 20 kilometers in extent and 2 kilometers thick that traveled down the slope of the Japan Trench, leaving a horizontal footprint the size of Paris that could only have been created by a 100 - meter uplift in the seafloor.

In mid-July, the Indonesian research and fisheries vessel Baruna Jaya IVwill map more of the seafloor and deploy instruments within the Kawio Islands before both ships meet in the Indonesian Port of Bitung.

One of these is NASA's Oceans Melting Greenland, or «OMG,» mission, which is collecting both aerial and ship - based observations of ocean temperatures and the shape of the seafloor.

Detailed analyses of this information may lead to a better understanding of the nonstorm - related factors that influence surges, including the slope of the seafloor immediately offshore, says Katie McDowell Peek, a member of the Western Carolina team.

These are the latest conclusions of a detailed mapping project exploring the topography of the seafloor and bedrock around and beneath Greenland's glaciers.

«A lot of research has shown that intrusions of warm water are responsible for melting ice along the polar coastlines and that these intrusions are steered by the shape of the seafloor,» said Jamin Greenbaum, an oceanography and geology expert at the University of Texas, Austin, who was not involved with the new study, in an email.

The bizarre habitat gleamed in the lights of an underwater robotic probe as it explored the environs of a seafloor spring spewing water at superhot temperatures — known as a hydrothermal vent.

For 14 years, scientists from the Scripps Institution of Oceanography in La Jolla, California, used a camera on a sled to study a stretch of seafloor 2 1/2 miles down.

From this, they calculated that sinkers contribute 7.6 grams of carbon per square meter of seafloor each year, an uncanny match to a food deficit found in a study using sediment traps.

The vehicle must be equipped with technologies that allow it to create high - resolution maps of the seafloor at depths of about 13,125 feet (4,000 meters).

The numerical simulations of the seafloor also showed that the pockmarks in Nyegga are likely associated with this phenomenon because they are located right in the area of the largest gas hydrate dissociation event at the end of the Ice Age.

The ocean contains 320 million cubic miles of water covering 140 million miles of seafloor, more than twice the area of all the continents combined, and we've only had a look at tiny bits of it.

In the 1980s, he and his colleague Nancy Maciolek of Battelle Ocean Sciences in Massachusetts used a simple device called a box corer to collect undisturbed square - foot samples of seafloor mud.

Deep underneath the open sea lies the other major topographic surface of the seafloor, the relatively flat abyssal plain.

They also conducted 12 ROV Jason dives totaling 250 hours to collect samples of erupted material and to capture high - resolution imagery of the seafloor inside the crater.