Sentences with phrase «from ocean vents»

Methane bubbles are coming up from ocean vents off the Washington and Oregon coast, and a new study identified warming ocean temperatures one - third of a mile below the surface as likely responsible.

Not exact matches

A robot BP was using under the water in the Gulf of Mexico accidentally bumped a vent, causing BP to have to remove the containment cap that was siphoning off some of the oil gushing from the ocean floor.
Bacteria thrive virtually everywhere on Earth — from sub-zero temperatures to over 750 degrees F (in hydrothermal vents at the bottom of the ocean), and in widely varying oxygen, pressure and nutrient conditions.
Yet we know that life on Earth can thrive in extreme conditions: from the Antarctic (where temperatures can drop to almost -90 °C) to hydrothermal vents on the ocean floor (where temperatures can exceed 460 °C).
Within those tiger stripes are the vents, straight from the global ocean.
We started finding the same organisms that people were reporting from deep - sea hydrothermal vents [where hot, mineral - laden fluid flows through volcanic rock into the ocean from deep within the Earth].
Related sites Scientific report from Ocean Drilling Program cruise Research on hydrothermal vents off the Pacific Northwest coast Andrew Fisher's home page
The authors argue that it comes from hydrothermal activity on the ocean floor, perhaps seafloor vents like those on Earth that spew H2 and support rich microbial life.
The organisms likely survive using mechanisms similar to the ever - increasing parade of creatures that have been discovered living in the total darkness of hydrothermal vents at the bottom of the ocean, deriving energy from minerals in seafloor rocks.
Map of current land and ice separating the Weddell and Ross seas, courtesy of Wikimedia Commons / Wutsje / CIA Octopuses have made themselves at home in most of the world's oceansfrom the warmest of tropical seas to the deep, dark reaches around hydrothermal vents.
Beatty believes that when 570 degree Fahrenheit water from thermal vents hits cold, deep ocean currents, several light - producing processes may occur: sonoluminescence from imploding gas bubbles; chemiluminescence from chemical reactions (analogous to fireflies lighting up); crystalloluminescence from the formation of crystal bonds; and triboluminescence from the breaking of those bonds.
However, a microbe collected from a vent in what's known as the Faulty Towers neighbourhood, 2400 metres down in the Pacific Ocean, has upped the ante.
But in an Opinion paper published June 16 in Trends in Cell Biology, researchers propose that new genomic evidence derived from a deep - sea vent on the ocean floor suggests that the molecular machinery essential to eukaryotic life was probably borrowed, little by little over time, from those simpler ancestors.
Hydrothermal vents, where heated, mineral - laden seawater spews from cracks in the ocean crust, are home to various diverse organisms.
Scientists thought the iron had entered the ocean from hot, mineral - rich water released at mid-ocean vents that then precipitated to the ocean floor.
Dr Jeff Hawkes, the lead author of this study, from the NOC said: «There has been a long outstanding question about whether hydrothermal vents are a source or sink of organic carbon to the oceans.
The area boasts the world's warmest ocean temperatures and vents massive volumes of warm gases from the surface high into the atmosphere, which may shape global climate and air chemistry enough to impact billions of people worldwide.
Life on Earth likely emerged in the deep ocean, where simple organisms fed off toxic gas from volcanic vents.
The acetate is a product of methane and hydrogen from the alkaline hydrothermal vents and carbon dioxide dissolved in the surrounding ocean.
Each contained jumbles of DNA sequences collected from environments such as soil, the ocean, hydrothermal vents, industrial effluent, and cow and baboon faeces.
A hotspot on the ocean floor could become a living laboratory where marine scientists can study underwater volcanoes and the weird life that clusters around the plumes of superheated water spurting from hydrothermal vents.
Roth asks, «Do the vents extend down to a subsurface ocean or are the ejecta simply from warmed ice caused by friction stresses near the surface?»
Although the evidence was subsequently contested, some single - celled microbial life lacking a nucleus that segregates their internal DNA or RNA («prokaryotes») from the surrounding cytoplasm may have flourished in darkness within cracks in Earth's seafloor crust and around deep, warm or boiling hot ocean springs (hydrothermal or volcanic vents, such as at Lost City or at black smokers) without a need for light or free oxygen in the oceans or atmosphere.
hydrothermal vent Openings at the bottom of the ocean or a lake where hot water emerges from deep inside the earth.
You will recall that hydrothermal vents are plumes of hot water that spew from rocks and cracks along the ocean floor, especially in regions of sea - floor spreading, such as oceanic ridges and rift valleys.
Look at environments here from deep ocean heat vents to Antarctica.
These oceans can be kept warm despite their great distance from the Sun because of gravitational interactions between the moons and their host planet, and they might support the kind of life found in deep sea vents on Earth.
New keys to understanding the evolution of life on Earth may be found in the microbes and minerals vented from below the ocean floor, say scientists at the University of California, Santa Barbara.
Water, salts, organics, and methane make their way from the hydrothermal vents on the ocean bottom to the surface through cracks in the icy crust, erupting as geysers.
These ideas changed when oceanographers explored hydrothermal vents, openings in the ocean floor where extremely hot, mineral - rich water erupts from the crust.
On Earth, molecular hydrogen, or H2, enters ocean water where hot hydrothermal vents emerge from the ocean floor.
For the ocean to be liquid there must be substantial sources of heat — from tidal heating based on the shape of its orbits, or from heat emanating from radioactive decay and entering the ocean through hydrothermal vents.
From lush ancient Hawaiian rainforests to dynamic lava landscapes, we will experience a variety of microclimates, huge craters, stand by steaming vents, walk through a lava tube, and if Madame Pele (the Volcano Goddess) allows, we'll see active lava flows pouring into the Pacific Ocean.
Kilauea Volcano is the largest most active volcano on earth and has been continuously erupting since 1983 primarily from the Pu'u Oo Vent, constantly percolating and sending a lava stream flowing toward the ocean.
Thanks to its exceptional location, villa Cap au Vent, benefits from nice ocean breezes all year round.
I would argue that the higher temperatures more likely represent greater venting of heat from the ocean, thus represent a cooling.
the corals are in a well mixed ocean of water of nigh infinite mass compared to the CO2 flux from the vents.
There is some atmospheric replenishment from volcanic eruption and Ocean vent out gassing.
Throw in a cold basement (the deep ocean), an active kitchen and laundry room, some walk - in refridgerators, a few spare baths that generate clouds of steam, a maid that sometimes clears the messy laundry piles and dust from the heat vents, and we get closer to a working model.
I also find it more feasible that the KNOWN increase in surface temps across the ENTIRE surface of the ocean is responsible rather than an UNKNOWN change of UNKNOWN MAGNITUDE of UNKNOWN SIGN from thermal vents that cover only a relatively small percentage of the ocean floor.
If there was any real need to stop a doubling then a thinking person would buy shares in cement companies because we are going to need a lot of very big plugs to stop CO2 from venting from volcanoes and undersea ocean floor vents.
30 July: ABC: Ocean study reveals carbon not sinking Research co-author Richard Matear from the CSIRO says the deep currents which draw carbon into the ocean actually vent it upwards in some areas... The research has been published in the journal Nature GeosciOcean study reveals carbon not sinking Research co-author Richard Matear from the CSIRO says the deep currents which draw carbon into the ocean actually vent it upwards in some areas... The research has been published in the journal Nature Geosciocean actually vent it upwards in some areas... The research has been published in the journal Nature Geoscience.
Taxa abundant in vent ecosystems in other oceans, including polychaete worms (Siboglinidae), bathymodiolid mussels, and alvinocaridid shrimps, are absent from the ESR vents.
Weather conditions have constrained the discovery of hydrothermal vents at high latitudes, although there is evidence from water column plumes that vents occur in the Arctic along the Gakkel Ridge [10], the Mohn Ridge, [11] and the Arctic Mid-Ocean Ridge [12], and in the Southern Ocean, in Antarctica, along the East Scotia Ridge (ESR), in the Scotia Sea [13], in the Bransfield Strait, west of the northern Antarctic Peninsula [14], [15], and along the Pacific - Antarctic Ridge [16].
Lesson 1 - Plate Tectonics Lesson 2 - Mid-Ocean Ridges Lesson 3 - Deep - Sea Corals Lesson 4 - Subduction Zones Lesson 5 - Chemosynthesis and Hydrothermal Vent Life Lesson 6 - Deep - Sea Benthos Lesson 7 - Water Cycle Lesson 8 - Ocean Currents Lesson 9 - Ocean Waves Lesson 10 - Tides Lesson 11 - Energy from the Oceans Lesson 12 - Food, Water, and Medicine from the Sea Lesson 13 - Hurricanes Lesson 14 - Seamounts An average of 2,000 strong earthquakes and large volcanic eruptions occur every year all around the world.
However, the conditions predicted for the open ocean may not reflect the future conditions in the coastal zone, where many of these organisms live (Hendriks et al. 2010a, b; Hofmann et al. 2011; Kelly and Hofmann 2012), and results derived from changes in pH in coastal ecosystems often include processes other than OA, such as emissions from volcanic vents, eutrophication, upwelling and long - term changes in the geological cycle of CO2, which commonly involve simultaneous changes in other key factors affecting the performance of calcifiers, thereby confounding the response expected from OA by anthropogenic CO2 alone.
Strain 121, a microbe from the same family found at a vent in the Pacific Ocean, survived and multiplied during a 10 - hour interval spent at 121 °C in an autoclave.
To get a sense of how readily and easily the ocean disperses heat from the Earth's crust, look at underwater volcanoes and hydrothermal vents in other regions of the ocean.
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