Sentences with phrase «in subsurface waters»

In the tropical Atlantic, Pacific, and Indian Ocean, a decline in oxygen content in the subsurface waters has been confirmed with observations (Stramma et al., 2010).

That leaves very little dissolved oxygen in the subsurface waters.

Among other things, GRACE may have found a crater deep under the Antarctic ice that may mark an asteroid impact greater than the one that doomed the dinosaurs, measured the seafloor displacement that triggered the tsunami of 2004, and quantified changes in subsurface water in the Amazon and Congo river basins.

Not exact matches

An important discovery was that of water clusters and charged dust particles in plumes at Enceladus, helping us to understand that it has a subsurface ocean.

We recognize this goodness in the fertility of the soil, natural harbors, scenic beauty, the availability of water, and the subsurface riches of coal, oil, gold, iron and other substances.

New gravity readings suggest it hosts a subsurface sea the size of Lake Superior at its south pole — and that this liquid water is in direct contact with the moon's core, which is rich in nutrients.

Northeast Syrtis features some of the oldest exposed Martian crust with evidence for alteration in the presence of liquid water that leads researchers to believe that this site could have hosted subsurface life.

Because Charon's modern - day surface is mostly water ice, it makes sense that the 1212 - km - diameter moon once had a subsurface ocean kept liquid by heat from the radioactive decay of elements in its core, as well as by the heat generated from collisions of smaller bits when the moon first accumulated.

The researchers speculate that the streaks formed when water bubbled up from a subsurface reservoir and ran down the gullies, leaving behind a pale - toned trail of sedimentation that is seen in the Surveyor snapshots as a bright line against a darker background.

On Pluto, a slurry of nitrogen and water ice melted by subsurface heat stands in for lava, the team suggests, freezing solid once it is exposed at the surface.

A subsurface sea of water might hide beneath the icy crust of Dione, one of Saturn's moons, researchers report online October 9 in Geophysical Research Letters.

What is needed to successfully exploit all that energy, according to Nevada geologist James Faulds, is investment in more detailed geologic mapping, three - dimensional modeling of underground water flows, and testing of water chemistry that can indicate the temperature of subsurface waters.

Even as phytoplankton blooms sequester new carbon, the upwelling of deep, subsurface water currents in the region bring old, once - sequestered carbon back to the surface waters, allowing for exchange with the atmosphere.

It could scan Mars and map out subsurface pockets of water ice and even assist in X-marking a safe and sound landing zone for astronauts where they can draw on water for oxygen - sustaining needs as well as for concocting rocket fuel.

The field consists of gas - bearing zones in the near subsurface, poor general water quality parameters and discontinuous water - bearing zones.»

This water should all have seeped up from the subsurface rivers below, rather than washing in from the ocean above.

It has long been understood that earthquakes can be induced by impoundment of water in reservoirs, surface and underground mining, withdrawal of fluids and gas from the subsurface, and injection of fluids into underground formations.

«The X-ray work brought new clarity to determining the right amount of this subsurface oxygen — and its role in interactions with CO2 gas and water — to improve the reaction.»

New NOAA - led research maps the distribution of aragonite saturation state in both surface and subsurface waters of the global ocean and provides further evidence that ocean acidification is happening on a global scale.

Some crater shapes could indicate water - ice in the subsurface.

«We probably would approach the future of Mars exploration — particularly accessing habitable zones of liquid water in the deep subsurface — more cautiously, because life could still be there.

«However, there are so many confined spaces, such as pores in geomedia in subsurface environments or in water filtration membranes, where calcium carbonate or calcium sulfate form as scale.

The water will migrate downward through slushy ice to the subsurface ocean within a few tens of thousands of years, researchers reported today at the European Planetary Science Congress in Madrid.

Scientists comparing radar images from the Cassini spacecraft with geophysical models say that the three ridges in this image, released yesterday, were created when Titan's gradual cooling after its formation caused partial freezing of the moon's subsurface ocean of water and ammonia.

Data gathered by the Hubble Space Telescope suggest that plumes of water vapor hundreds of kilometers tall, possibly originating in a subsurface ocean, spew from the moon's south pole.

Plus, instead of relying on hard rock mining as is typical of production today, Simbol lets the hot water of the subsurface Salton Sea do the work of leaching the materials out of the rock as well as purifying them into salts — a process that involves evaporating water from lithium ponds for other producers around the world, including in the U.S.. Also, the company would not need to purchase soda ash to enable production of lithium carbonate, as is typically done today.

I was interested in Stephen Battersby's speculation that there could be subsurface liquid water present on some of the solar...

Images from the Galileo spacecraft, which orbited Jupiter from 1995 to 2003, hinted that Europa has a relatively thin crust in which fissures sometimes open up and let water escape from a subsurface ocean.

Some scientists believe the dwarf planet harbored a subsurface ocean in the past and liquid water may still be lurking under its icy mantle.

Meanwhile, the lander will keep digging and analyzing deeper — toward the subsurface ice reported last week (ScienceNOW, 20 June), in search of water's history on Mars.

In the next three to five years, NMSU researchers and City of Albuquerque officials should find out if the subsurface drip irrigation system helped conserve water.

In this case, the researchers combined records of ancient lake levels, location and extent of glaciation, variations in the composition of stalagmites in caves, and evidence for changes in vegetation and subsurface soil deposits associated with water table deptIn this case, the researchers combined records of ancient lake levels, location and extent of glaciation, variations in the composition of stalagmites in caves, and evidence for changes in vegetation and subsurface soil deposits associated with water table deptin the composition of stalagmites in caves, and evidence for changes in vegetation and subsurface soil deposits associated with water table deptin caves, and evidence for changes in vegetation and subsurface soil deposits associated with water table deptin vegetation and subsurface soil deposits associated with water table depth.

That allows lake water to drain into the subsurface soils, according to a team of scientists led by Laurence C. Smith, a UCLA geographer, and Larry Hinzman, a hydrologist at the University of Alaska in Fairbanks.

To assess whether liquid water flowed over the region during the heat spells Mars experiences every 50,000 years, an onboard microscope will examine cracks in the subsurface ice that should form during cold times.

Life is extremely unlikely to exist in these subsurface regions of Mercury, however, as pockets of liquid water would be very small, says Gregory Neumann of the NASA Goddard Space Flight Center in Greenbelt, Maryland, a lead author on a second paper.

The instrument measured roughly the same tiny concentration of water (about 2 percent) in the surface soils as it did in the freshly uncovered soil, and the newly excavated area did not dry out over time — as would be expected if moist subsurface material were uncovered.

The moon's south pole has strange, warm fractures, and plumes of liquid water from a subsurface ocean many believed was impossible in such a small, cold world.

Three kilometers beneath Earth's crust, in a realm known as the subsurface, temperatures in the thick rock are well over 40 °C, and the oxygen - poor water chokes out familiar life.

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.

Enceladus's plumes are thought to originate in water escaping from a subsurface ocean through cracks in the moon's icy surface.

Pluto is thought to possess a subsurface ocean, which is not so much a sign of water as it is a tremendous clue that other dwarf planets in deep space also may contain similarly exotic oceans, naturally leading to the question of life, said one co-investigator with NASA's New Horizon mission to Pluto and the Kuiper Belt.

Conditions in its subsurface global water ocean are thought to be similar to those deep in Earth's oceans, where a wide variety of life thrives.

«This also rules out comets, which are rich in both water and carbon compounds, so we knew we were looking at a rocky asteroid with substantial water content — perhaps in the form of subsurface ice — like the asteroids we know in our solar system such as Ceres,» Gänsicke said.

To go to Enceladus, she added, any lander would need to be very clean as liquid water is in contact with the moon's icy surface, so contamination of the subsurface ocean would be a very real possibility.

Closer investigation of these plumes, originating from geysers blasting from polar fissures in Enceladus» icy crust, revealed this water was coming from a warm subsurface salty ocean and the water was laced with hydrocarbons and ammonia, or «many of the ingredients that life would need if it were to start in an environment like that,» Soderblom tells HowStuffWorks.

After participation in a ship expedition with RV SONNE to the North Pacific in summer 2018, the tasks include to reconstruct the spatial and temporal changes in near - surface and subsurface water temperatures in the North Pacific, salinity, thermocline depth, and water mass stratification of the upper oceanic surface using geochemical proxy parameters, e.g. in planktic microfossils.

If this is the case, we might also find Europan planets with an abundance of subsurface oxygenated water, which could bubble out to form habitable caves in the ice above a cold ocean.

One of them is the floor of an ancient lake; another is a hot spring; and the third one is a site where hot water interacted with rocks in the shallow subsurface.

This suggests that their global model might actually be fairly accurate, and if so, kelp forests would be prolific in tropical subsurface waters worldwide.

As one goes from south to north on the island, - the amount of fresh water in the subsurface increases and hence the numbers of trees that need fresh water also increases northward.