Sentences with phrase «seabed at»

The piles are driven into the seabed at depths of 80 to 100 feet below the mud line, ensuring the structure is stable.
(04/17/2013) Four young explorers including American actor Ezra Miller have planted a flag on the seabed at the north pole and demanded the region is declared a global sanctuary.
There was an eruption of assertions in recent days that the increasing summer retreats and thinning of Arctic Ocean sea ice might be a result not of atmospheric warming but instead all the heat from the recent discovered volcanoes peppering the Gakkel Ridge, one of the seams in the deep seabed at the top of the world.
Some people have even shown evidence that most of the CH4 is riverine in origin, not from the seabed at all (Bussmann, 2013).
The site is made up of 4 large coral heads that are perched upon a plateau that rises from the seabed at 40 metres to 10 metres or so.
The crew worked frantically for 14 hours to dislodge her but she capsized and sank to the seabed at 30m with her cargo of cotton and wool.
For over 400 years, she was buried in clay on the seabed at a depth of 14 metres off the south coast of England, until marine archaeologists salvaged her in 1982.
In August 2007 a Mir - 1 submersible planted a small titanium Russian flag in the seabed at the North Pole.
On August 2, a pair of 18 - ton Russian submersibles, Mir - I and Mir - II, plunged more than two miles down into the Arctic Ocean and planted a titanium capsule containing their nation's flag on the seabed at the North Pole.

Not exact matches

The report mentions that the explosion would have caused significant flooding in Kent, but that the nuclear option would be «100 per cent effective» at ensuring «totally irreversible total collapse, rupture [of] tunnel and seabed to cause total flooding and complete collapse of part of tunnel.»
The proposal covers demersal fish stocks, ie fish that live and feed at the bottom of the seabed, and bring a significant income to the fisheries sector in the region.
Seabed explorer and former top government scientist Sylvia Earle is angry at events in the Gulf — but still hopeful about the planet's prospects
David Valentine and colleagues at the University of California, Santa Barbara, surveyed the sea floor and discovered the mounds, the largest of which rises 20 metres above the seabed, made from tar.
The ship would not be disturbed again until 1900, when a sponge diver clad in a clunky dry suit and brass helmet saw an unattached bronze arm from a sculpture on the seabed, says Alexander Jones, a historian of the ancient world at New York University who has studied the shipwreck and its cargo.
This kind of «slopping» of water to and fro in the vicinity of the seabed on the Gulf of Finland is fairly normal, and the situation at the seabed can change quite rapidly.
In 2002, Parkes had found prokaryotes at 842 metres beneath the seabed, the previous record, and it seems likely he will be finding life deeper yet in years to come.
An OBS was placed at the ocean floor at 400 - meter water depth offshore Western Svalbard, and recorded every sound from the seabed and ocean for a full year.
The huge potential of ocean currents could at last be tapped, thanks to the latest generators now being trialled on the seabed.
In 1961 archaeologists raised the ship from the seabed, making it the first major shipwreck to be recovered almost intact, and giving researchers a unique look at 17th - century naval warfare.
«When the carcass of a vertebrate reaches the Mediterranean seabed and remains at shallow depths, it is free - living bacteria that degrade its bones and decompose the organic material.
Notothenia coriiceps, informally known as Antarctic cod, cuts its metabolism by two - thirds and burrows under the seabed for days at a time during dark Antarctic winters.
Encouraged by the success of the Sleipner project, Statoil recently began another CO2 injection program at the Snøhvit natural gas field in the Barents Sea, despite the requirement that a 150 - kilometer pipeline be built on the seabed to pump the CO2 to where it can be sequestered.
But that has not stopped mechanical engineers at the University of Strathclyde's Energy Systems Research Unit (ESRU) in Scotland from developing one that will ride the tide while latched to the seabed by a cable — like a kite flying on a windy day.
According to the ECO2 consortium, additional targeted studies have to be conducted if formation water or gas seeps and if pockmarks with deep roots reaching into the storage formation occur at the seabed.
Though muddy seabed often lacks the diversity found in coral reefs, the nutrient - rich waters at the edge of the Pacific continental shelf attract schools of squid, anchovies and krill.
One possible measure against steadily increasing greenhouse gases is known as CCS (carbon capture and storage): Here, the carbon dioxide is captured, preferably directly at the power plant, and subsequently stored deep in the ground or beneath the seabed.
This year researchers found many areas across the Gulf where oxygen conditions were severely low at the bottom and animals normally found at the seabed were swimming at the surface.
«We could then estimate movements and changes caused by the earthquake at the seabed and below the seabed,» Landrø said.
At night, sand lance burrow into the seabed or form horizontal schools just above the seafloor.
Turbines designed for Puget Sound have no exposed blade tips, run at low speed, require no mechanical lubrication or seabed drilling, and are designed to leave the seabed undisturbed, according to the Snohomish County utility.
At the bottom of the Arctic Ocean, one sub took seabed samples, the ostensible purpose of the mission, while the other deposited a titanium capsule containing a Russian flag, symbolically claiming this undersea turf for its homeland.
The study is the first to give a global overview of all current plans to mine the seabed, in both national and international waters, and looks at the potential impacts including physical destruction of seabed habitats, creation of large underwater plumes of sediment and the effects of chemical, noise and light pollution arising from mining operations.
Given that some microbes can withstand temperatures as high as 122 °C and pressures about 3000 times higher than at Earth's surface, Plümper calculates that life could survive up to 10 kilometres beneath the seabed.
«The range at which a ping can be heard depends on many environmental factors like background noise, changes of water density that cause ping refraction and shielding by seabed features including the wreckage itself,» he warns.
Povl Abrahamsen, Physical Oceanographer at the British Antarctic Survey, explained: «At the start of one mission, whilst diving, Boaty encountered a swarm of krill so dense that the sub's echo sounders thought it was approaching the seabed although it was only at 80m depth, and returned to the surfacat the British Antarctic Survey, explained: «At the start of one mission, whilst diving, Boaty encountered a swarm of krill so dense that the sub's echo sounders thought it was approaching the seabed although it was only at 80m depth, and returned to the surfacAt the start of one mission, whilst diving, Boaty encountered a swarm of krill so dense that the sub's echo sounders thought it was approaching the seabed although it was only at 80m depth, and returned to the surfacat 80m depth, and returned to the surface.
But their large populations, occupying at times hundreds of square kilometers in the oceans, combined with a high sinking speed, can deliver large carbon quantities to the seabed.
in the sediments below the seabed as well as by chemical transformation of organic matter at greater burial depths.
It occurs in seabed layers at sites (such as the Barents Sea) that are rich in methane.
At these locations volcanic carbon dioxide escapes from the seabed, lowering the water's acidity to a level, which scientists predict for the future of the oceans.
The evidence to back this up is still in its infancy, but we have identified several pieces of the puzzle, including estimates at multiple locations of how much carbon the seabed stores.
A guest article from Dr David Barnes, a marine benthic ecologist at the British Antarctic Survey, and colleagues Chester Sands, Narissa Bax, Rachel Downey, Christoph Held, Oliver Hogg, Kirill Minin, Camille Moreau, Bernabé Moreno and Maria Lund Paulsen from the Antarctic Seabed Carbon Capture Change project.
Recent methane measurements at Terceira Island, Azores, Portugal and Tae - ahn Peninsula, Republic of Korea (See http://www.esrl.noaa.gov/gmd/dv/iadv/index.php) in the context of outlier data points over the last decade at sites such as Storhofdi, Vestmannaeyjar, Iceland, and reports of methane releases from the Arctic seabed, tell us that at current levels of AGW, the Earth's sea - floor methane systems are not stable.
At this point, I still see no reason to incorporate anything beyond my previous P50 figures in my valuation — I'll assume a 50:50 Proved & Probable split, and my usual (respective) $ 10 & $ 5 per boe in - the - ground seabed valuations.
Though it resembles a sea slug as it attaches to the seabed, Madonna's Bra is not in fact a sea slug at all.
At 40m deep, you will see thousands of nudibranchs scattered all over the seabed as far as you can see; this, together with large schools of fish creating magnificent patterns, makes for an incredible diving experience.
Come and experience the beauty of the seabed and take a peak at the many schools of fish of all different colors, manta rays, sharks, turtles and dolphins!
There seem to be layers and layers of pristine yet fragile plates of coral, bedecking the Taveuni seabed, as it slopes from a sandy floor at around 30 metres up to the shallows of 8 to 10 metres.
At Una Una, the volcanic island has made an amazing seabed of lava ash sand which is something to behold!
The seabed is sandy and this, at least, allows the skipper to see the darker - colored patches of coral.
At the base of Alcedo Volano, we disembark at Urbina Bay, where we find four miles of its coastal seabed with marine life exposed due to a dramatic uplift in 1954 when the volcano erupteAt the base of Alcedo Volano, we disembark at Urbina Bay, where we find four miles of its coastal seabed with marine life exposed due to a dramatic uplift in 1954 when the volcano erupteat Urbina Bay, where we find four miles of its coastal seabed with marine life exposed due to a dramatic uplift in 1954 when the volcano erupted.
a b c d e f g h i j k l m n o p q r s t u v w x y z