The pathways
for the hydrothermal vents at a mid ocean ridge are marked clearly.
Puma navigates and hunts
for hydrothermal vents using chemical sniffers and lasers to detect smoke traces.
Not exact matches
The
hydrothermal vent system was discovered by researchers from the Centre
for Geobiology at University of Bergen (Norway).
Biochemists have managed to synthesise 10 of them in experiments that simulate lifeless prebiotic environments, using proxies
for lightning, ionising radiation from space, or
hydrothermal vents to provide the necessary energy.
Given developing efforts to mine deep - sea
hydrothermal vent fields
for precious metals, the scientists involved in this research suggest that conservationists and management agencies need to consider a broader range of factors in their efforts to predict the environmental impacts and the resiliency of affected communities.
This chemical reaction between rock and water occurs,
for example, in
hydrothermal vents on the ocean floor.
And other data suggest that this ocean sits on a rocky mantle that could be dotted with
hydrothermal vents — potential hotspots
for life.
It also confirms that
hydrothermal vents are a plausible location
for at least part of this process to have occurred.
A study described here today at the American Geophysical Union's biennial Ocean Sciences Meeting shows that RNA's chemical building blocks fall apart within days to years at temperatures near boiling — a finding that poses problems
for some origin of life theories, especially ones picturing that life arose in scalding settings such as deep - sea
hydrothermal vents.
Within two years, scientists from the Woods Hole Oceanographic Institution and the University of Maryland will release self - guided robots to visit the
hydrothermal vents deep beneath the Arctic ice shelves
for the first time.
Steaming hot pools and scalding undersea
hydrothermal vents provide a cosy habitat
for heat - loving extremists.
Hydrothermal vents may have existed once on Mars and may still exist in an ocean under Europa's icy crust, some scientists say, making them prime targets in the search
for extraterrestrial life.
We have shown that
hydrothermal vent fluids contain almost none of the organic carbon which accumulates in the oceans, which means that
vents are a sink
for this unreactive «stored» carbon.»
While mud volcanoes are fairly common on Java, Lusi is a hybrid between a mud volcano and a
hydrothermal vent, and its connection to the nearby volcano will keep sediments cooking
for years to come.
But this past August, when scientists reported observing water from a
hydrothermal vent acting like a liquid and a gas simultaneously at 867 °F, nature had thrown them
for a loop.
The results launched a hunt
for life's origins that's now uncovering these building blocks in surprising places, like the surface of comets and in deep - sea
hydrothermal vents.
Water locked away in rocks
for 1.5 billion years reveals conditions were right
for complex organic molecules to form in deep sea
hydrothermal vents
At the time of their designation, the largest of the sites was the 95,000 - square - mile Marianas Trench monument near the Northern Mariana Islands and Guam, an area that has been compared to an underwater Yellowstone and Grand Canyon
for its unique geology of
hydrothermal vents, mud volcanoes and pools of boiling sulfur.
However, potent compounds from the marine environment, especially extreme surroundings such as
hydrothermal vents or arctic regions only await to be unveiled which undoubtedly hold promises in the discovery of tyrosinase inhibition, thus opening new perspective
for treatment of skin disorders as well as neurodegeneration related diseases.
The NOAA portion of the prize is meant to spur the development of specific technologies that can help detect «sources of pollution, enable rapid response to leaks and spills, identify
hydrothermal vents and methane seeps, as well as track marine life
for scientific research and conservation efforts,» Richard Spinrad, chief scientist at NOAA, said in a statement.
Such reactions at
hydrothermal vents and in other extreme environments on Earth produce high abundances of hydrogen, which some microbes use
for food.
In 2009, scientists from Woods Hole Oceanographic Institution embarked on a NASA - funded mission to the Mid-Cayman Rise in the Caribbean, in search of a type of deep - sea hot - spring or
hydrothermal vent that they believed held clues to the search
for life on other planets.
But
for Van Dover, that value can not compare with the richness of the thriving animal communities inhabiting Earth's
hydrothermal vents.
A mysterious glow from deep - sea
hydrothermal vents may provide the light source
for a newly - discovered bacterium.
Silica found in the jets can be produced only in water close to boiling point, indicating that
hydrothermal vents are also present in the subsurface ocean — making the icy moon a hot target in the search
for life.
At the moment, scientists have confirmed, using DNA analysis, that snotworms are closely related to the tubeworms that thrive around
hydrothermal vents and probably have existed
for as long as whales, if not longer.
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.
In the greater NZ region, we have undersea hot springs (
hydrothermal vents of the Kermadecs), marine hydrocarbon seeps and gas hydrates (offshore eastern North Island — possible analogues
for oceans on Icy Worlds), and terrestrial (on land) hot springs in the Taupo Volcanic Zone and elsewhere around the country.
Sending out a spacecraft that can drill through the ice and probe
for organisms will be the only way to find out if the moon in question doesn't have vaporous plumes like those that originate in the
hydrothermal vents of Enceladus.
It is nearly impossible to locate and investigate
hydrothermal vents because they occur too deep
for traditional exploration techniques and emit a soup of hydrogen sulfide and other toxic chemicals.
Currently, we are exploring several environmental samples retrieved from allover the world - ranging from
hydrothermal vents in Japan to hot springs in Yellowstone National Park and New Zealand —
for the presence of novel archaeal (and bacterial) lineages using cultivation - independent approaches, such as metagenomics and single cell genomics.
«We report
for the first time, a unique behavior where the deep - sea skate, Bathyraja spinosissima, appears to be actively using the elevated temperature of a
hydrothermal vent environment to naturally «incubate» developing egg - cases,» the researchers wrote in the journal Scientific Reports on Feb. 8.
It is also thought that
hydrothermal vents may regulate the chemistry of the global oceans and could be responsible
for the elemental composition of seawater as a whole.
One puzzle
for scientists to figure out is why the chemistry of
hydrothermal vents changes, not only among locations, but over temporal scales as well.
While symbiotic relationships in coral reefs have been known
for some time, the discovery of
hydrothermal vents in 1977 has spurred an interest in symbiotic relationships, and led to their recognition in many other types of habitats, such as mangrove swamps, mud flats, and sewage outlets.
«Hydrogen is a source of chemical energy
for microbes that live in the Earth's oceans near
hydrothermal vents,» said Hunter Waite, principal investigator of Cassini's Ion Neutral Mass Spectrometer (INMS) at the Southwest Research Institute (SwRI), in a statement on Thursday (April 13).
The discovery of
hydrothermal -
vent communities showed that it is possible
for life to evolve in places without light from the sun, and in other worlds without sufficient light from the parent star.
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.
This Website offers information and resources
for studying seafloor animals,
hydrothermal vents, mid-ocean ridges, axial volcano, lava flow, and tools and technology.
Any search
for «Magic Mountain» would have returned a disambiguation page showing the obvious links, and any search
for Magic Mountain
Hydrothermal Vent, would go directly there without the parenthesis.
I think the various theories around
hydrothermal vents are the best explanations
for origin of life.
Scientists at Columbia's Lamont - Doherty Earth Observatory have found evidence of
hydrothermal vents on the seafloor near Antarctica, formerly a blank spot on the map
for researchers wanting to learn more about seafloor formation and the bizarre life forms drawn to these extreme environments.
For example, we know that there is extensive
hydrothermal venting activity on some parts of some ocean floors.
Scientists are in the early stages of building a fiber optic network on the seafloor
for observing, in real time, deep - sea
hydrothermal vents — places where super-heated water and minerals spew from Earth's crust offering clues about how life on the planet may have began.
Hey Joanne, yet another one of your fans fails to find evidence to support your theory that
hydrothermal vents is responsible
for the increase in OHC.
Citation: Rogers AD, Tyler PA, Connelly DP, Copley JT, James R, Larter RD, et al. (2012) The Discovery of New Deep - Sea
Hydrothermal Vent Communities in the Southern Ocean and Implications
for Biogeography.
For example, one can not eliminate deep temperature changes from
hydrothermal venting or geodesic changes from effects such as the East Pacific Bulge - or the troublesome class of unknown unknowns.
It was first discovered in 1997 in a black smoker
hydrothermal vent at the Mid-Atlantic Ridge, setting the upper temperature threshold
for known life to exist at 113 °C.