Sentences with phrase «hydrothermal system»

Cultivation - Independent and Cultivation - Dependent Analysis of Microbes in the Shallow - Sea Hydrothermal System Off Kueishantao Island, Taiwan: Unmasking Heterotrophic Bacterial Diversity and Functional Capacity — Kai Tang — Frontiers in Microbiology

* David Kring explores the hydrothermal system triggered by the impact, including metasomatism (lithologic chemistry altered by hot fluids), and how the system could have incubated new life as it cooled over thousands of years post-impact.

In fact, Lost City is unlike any other hydrothermal system because it appears to be unconnected to volcanic activity.

«The focus of [our] expeditions to Dorado Outcrop was to study a cool hydrothermal system.

This is only the third hydrothermal system of its type that has been sampled, yet millions of similar environments exist in the deep sea.

Everything looks fine — except for one segment, which is draped over a previously unknown hydrothermal system.

«We predicted the peak ring would be a big hydrothermal system,» says Gulick, a geophysicist at the University of Texas, Austin.

The impact aftermath killed most life on Earth, but the crater itself (bottom)-- shown with a central peak — remained hot long after the blast, perhaps creating a hydrothermal system similar to deep - sea vents.

Farmer helped select the landing site for Mars Pathfinder and thinks that the Mars Surveyor and Mars Odyssey spacecraft now in orbit have begun the job of meeting the first - stage requirements of finding potential ancient hydrothermal systems — for example, the Mars hematite site at Terra Meridiani.

«You can create hydrothermal systems like those on early Earth where life may have formed.»

«One of the big unknowns has been how long do these hydrothermal systems last.»

But where does the energy for the hydrothermal systems that drive the transport of matter come from?

«We need to collect a lot more data on hydrothermal systems before we can make reliable statements.»

«Whether those were extensive globally or more localized in these hydrothermal systems is not clear in the data that we have.»

Finding out how methane and other organic species are formed in deep - sea hydrothermal systems is compelling because these compounds support modern day life, providing energy for microbial communities in the deep biosphere, and because of the potential role of abiotically - formed organic compounds in the origin of life.

In contrast, today's geothermal projects use hydrothermal systems that tap naturally occurring water deposits to provide geothermal heat.

Many distant worlds have never received as much light as Earth, but it is suspected that some of them have hydrothermal systems similar to Earth's deep - sea vents.

In addition, he notes, evaluating the fine structure of calcium carbonate mineralization deposited in hydrothermal systems during different periods of Earth's evolution may offer insights into which microbes lived at which times.

Marine geological and geophysical exploration methods, ocean ridge processes, continental margin processes, slope stability, marine mineral resources, seafloor hydrothermal systems, acoustic imaging and quantification of hydrothermal flow

«The global nature of Enceladus» ocean and the inference that hydrothermal systems might exist at the ocean's base strengthen the case that this small moon of Saturn may have environments similar to those at the bottom of our own ocean,» said Jonathan Lunine, an interdisciplinary scientist on the Cassini mission at Cornell University in Ithaca, N.Y. «It is therefore very tempting to imagine that life could exist in such a habitable realm, a billion miles from our home.»

Life on Earth likely began in hydrothermal systems (environments where hot water reacts with rocks), and there is abundant evidence for many locations where hydrothermal environments exists on Mars at the time when life might have originated in similar environments on Earth.

Using infrared data collected at Mars by spacecraft, they can interpret which minerals are there and describe the geology of ancient hydrothermal systems.

«The bombing, however locally devastating, creates quite an ample supply of hydrothermal altered rock and hydrothermal systems, worldwide,» says Mojzsis.

The heat transfer in submarine hydrothermal systems accounts for ˜25 % of the total global heat loss1.

Not exact matches

The hydrothermal vent system was discovered by researchers from the Centre for Geobiology at University of Bergen (Norway).

The name Lokiarchaeota is derived from the hostile environment close to where it was found, Loki's Castle, a hydrothermal vent system located on the Mid-Atlantic Ridge between Greenland and Norway at a depth of 2,352 meters.

According to a report in today's issue of the journal Nature, that modest rumble caused 10-fold increases in the flow of fluids in hydrothermal vent systems located nearly five miles away.

Studying the connection of these two systems could help scientists to better understand how volcanic systems evolve, whether they erupt magma, mud or hydrothermal fluids.

Hydrothermal carbonization i.e., a method which at high temperatures and increased pressure converts biomass in a closed system in aqueous suspension into biochar, served as the basis.

«New kind of hydrothermal vent system found in Caribbean.»

In a field study, Diane Adams, a marine biologist at Woods Hole Oceanographic Institution in Massachusetts, and her colleagues measured the currents near the seafloor along the East Pacific Rise, a submarine ridge south - southwest of Acapulco, Mexico, that sports many hydrothermal vent systems.

Many organic molecules needed for life could even have formed below the ocean floor from interactions between minerals and circulating hot water driven these hydrothermal ven systems.

«If a new theory published last year is correct, then powerful hydrothermal activity could have been occurring since the formation of the moon, possibly as much as the age of the solar system,» he says, adding that which timescale they are working on — tens of millions or billions — could be determined with future research.

Hydrothermal vents, estuaries, wetlands, continental shelves, oil pollution, ocean observing systems, and web - based ocean information systems).

Of course, the formation and evolution of a hydrothermal vent system is complicated by the fact that nothing is ever «permanent» on the sea floor.

The team describes newly discovered geological and biological manifestations of hydrothermal activity at two sites on young abyssal hills flanking the East Pacific Rise, a fast - spreading portion of the global mid-ocean ridge system.

We were able to show that under [presumed] Enceladus - like conditions and the given environmental parameters, biological methane production did occur in the lab,» and that a «microoorganism from a hydrothermal vent system on Earth could be grown in the presence of [presumed] inhibitors in combination with high pressure.»

Traditional geothermal systems have long been deployed in Japan, Europe and Australia, but its potential is limited to those spots on the planet where hydrothermal vents are already present and reachable.

Models shall be developed to assist both in the development of geothermal reservoirs and to more accurately account for stress - related effects in stimulated hydrothermal and enhanced geothermal systems production environments.

Various geophysical techniques have been employed in efforts to determine the heat output from hydrothermal vent fields4 — 9; however, the magnitudes of the heat and chemical fluxes through these systems remain uncertain.

note 68; Japan based on assumption that Enhanced Geothermal Systems could double 72,000 MW potential, from Hirofumi Muraoka et al., «Assessment of Hydrothermal Resource Potentials in Japan 2008,» Abstract of Annual Meeting of Geo ¬ thermal Research Society of Japan (Kanazawa, Japan: 2008); Hirofumi Muraoka, National Institute of Advanced Industrial Science and Technology, e-mail to J. Matthew Roney, Earth Policy Institute, 13 July 2009.

The first one (above) shows the resource potential for the country, with the redder areas being more favorable for deep enhanced geothermal systems (EGS), and dots identifying known hydrothermal sites.