Sentences with phrase «most of the surface water»

Most of the surface water appears to be depleted, leaving behind a thick crust of dark organic material.
Most of the surface water comes from snow.

Not exact matches

Most of the surface is salt water, can't live there or even drink it.
For, was the surface of the earth even and level, and the middle parts of its islands and continents not mountainous and high as now it is, it is most certain there could be no descent for the rivers, no conveyance for the waters; but, instead of gliding along those gentle declivities which the higher lands now afford them quite down to the sea, they would stagnate and perhaps stink, and also drown large tracts of land.
Recently, I announced the single most important initiative of my administration and what should be the single most important goal for all Long Islanders: curbing decades of nitrogen pollution we have been inflicting on our ground and surface waters here in Suffolk County.
Most of us view the continents and oceans as discrete entities of land and water across Earth's surface.
«I think the idea that most of the water in the surface of the moon comes from solar wind implantations is most likely correct,» he says.
«The most basic change was from very limited phosphorus availability to much higher phosphorus availability in surface waters of the ocean,» Reinhard said.
«What is most likely the case is that the parent body [of this family] was water - ice - rich, was broken up, and now the surface of its largest fragment, Themis, has been impact - excavated, revealing the ice that was once deep in a larger object,» says Britney Schmidt of UCLA, who was not affiliated with Campins's study.
Enceladus's surface water makes it one of the most promising places for finding extraterrestrial life.
«We are in awe that an animal that spends most of its time on the surface of sea ice could swim constantly for so long in water so cold.»
Roberts says that in the absence of laws recognizing that groundwater and surface water are pulling from the same source, people will continue to do what benefits them most, which is tap into the ground for water where they know they'll find it.
Most cities provide little in the way of a porous layer of earth or sand through which surface water can permeate.
Put a drop of superfluid on most surfaces, and it spreads out into a thin layer, rather than beading like water on glass.
The new material is much more efficient than current mist - catching nets, in which most of the water passes through uncollected, says Andrew Parker, the Oxford University zoologist who originally described the beetle's unique surface.
The next most abundant gases — water vapor and carbon dioxide — do absorb a portion of the infrared heat radiated by the earth's surface, thereby preventing it from reaching space.
Much of the oil has already vanished from surface waters, and so far the most visible effects have been oiled seabirds, turtles and salt - marsh fringes.
From those densities, they estimate that the fourth planet out from the star, known as TRAPPIST - 1e, is the rockiest of the seven and the most Earth - like, with the possibility of liquid water on its surface.
Eventually, the fertilizing effects of these nutrients in surface waters can fuel the growth of algae that ultimately suck most of the oxygen out of large patches of coastal waters, creating what are colloquially termed dead zones (see Limiting Dead Zones).
One of the most interesting findings was that stomatal pores on the surface of the leaf (small holes that control the uptake of CO2 for photosynthesis and the loss of water vapour) increase in number after multi-generation exposure to future CO2.
Without the periodic upwelling of cold water associated with La Niña, warm water would cover most of the surface of the Pacific, releasing its heat into an atmosphere already warming because of climate change.
The two most common surface orientations of snow crystals are those shown: the six - sided face parallel to the layers of water molecules is called the basal face, and the rectangular faces are called prism faces.
By simply tracking water as it melted, migrated, and refroze, Schmidt had, in mere months following a trip to the Antarctic, come up with by far the most complete model of the icy moon's chaotic surface.
While most of the built up methane was consumed by the end of the anoxic period, methane concentrations measured in surface water samples in June and September suggest that there was still a significant flux of methane to the atmosphere.
The surface waters of the world's oceans are supersaturated with the greenhouse gas methane, yet most species of microbes that can generate the gas can't survive in oxygen - rich surface waters.
Signs of repeated ice - and snow - melt in a mid-latitude gully may point to the most recent water activity on the Red Planet's surface
So Panero and Pigott focused their study on the depth where ringwoodite is found — a place 325 - 500 miles below the surface that researchers call the «transition zone» — as the most likely region that can hold a planet's worth of water.
Most previous studies have indicated the dominate role of water usage in changes in the lake surface area.
Most of that returns to the surface via volcanic activity, but about 640 billion pounds (300 billion kg) of water continue into the deeper mantle, where it can react with iron.
When you pour some soda into a glass, some gas escapes and forms foam, but most stays trapped by the surface tension of the water.
First, and most important, is the temperature of the ocean's surface water.
Venus is the planet most like Earth in terms of its size and gravity, and evidence suggests it once had oceans worth of water which boiled away to steam long ago with surfaces temperatures of around 860 degrees Fahrenheit (460 Centigrade).
Most of these water - related surface features, however, date back to very early in Mars» history — the epochs known as the Noachian and the Hesperian, which ended about 4 billion and 3 billion years ago respectively.
Most of the images from Rosetta have been in black & white, so these colour ones are a nice change and show incredible detail, including patches of water ice on the rocky surface.
Combining RPO and radiocarbon dating, scientists can link the most - heat - reactive organic matter to the youngest carbon dates, thereby obtaining more accurate sediment ages, which correspond to the ages of surface water plankton in the sediments.
The Ralph / Linear Etalon Imaging Spectral Array (LEISA) aboard New Horizons observed Pluto's surface from a range of 108,000 km to show areas where water ice is most abundant as well as possibly detecting areas that are depleted in methane.
In one sentence: Regions that depend primarily on irrigation from surface water will be more vulnerable to drought as the impacts of irrigation on water supply are most significant during times with low water flow, according to climate modeling research from Pacific Northwest National Laboratory.
And regions that depend primarily on surface water irrigation (rivers, lakes, reservoirs) will be more vulnerable to drought as the impacts of irrigation on water supply are most significant during times with low water flow.
Systems recently investigated include a partial oxidation of alcohols on supported WO3 clusters and on rutile TiO2 (110) surface, water - oxygen reactions on TiO2 (110), numerous adsorbates on epitaxial MgO (100) and nanoporous MgO films, ethylene hydrogenation on thin epitaxial and nanoporous Pd films, and most recently CO2 on TiO2 (110).
The most plausible source of this hydrogen is hydrothermal reactions between hot rocks and water in the ocean beneath the moon's icy surface.
At that point, this alien solar system tied the renowned TRAPPIST solar system, which at its discovery had the most planets capable of holding liquid water on their surface.
Most of the bottom waters are supersaturated and over half of surface waters are supersaturated.
Although many scientists believe that Venus may once have had oceans of water on its surface (in part because its ratio of deuterium to ordinary hydrogen is now measured to be around 150 times that of the Earth's), most of it has been lost the past five billion years.
Well, almost encloses: Enceladus sprays geysers of water ice out into space, some of which settles back down to the moon's surface in the form of snow, making it the most reflective planetary object in the solar system.
AMARGOSA VALLEY — In the Nevada desert one mountain range removed from Death Valley, four divers strapped air tanks to their backs and slipped beneath the surface of a water - filled cavern for one of world's most exclusive scuba expeditions.
The most remarkable feature of our planet is that 70 % of its surface is covered by water.
The most possible cause, according to researchers, for the observed water vapor traces around Europa is the presence of erupting water plumes on the moon's surface, not unlike those that have been directly observed on Saturn's moon Enceladus by the Cassini spacecraft.
The orbiter has found further evidence that Mars was once wetter than it is now, with observations of surface patterns that could only have been made by flowing liquid, most likely carbon dioxide or water, in its recent geological past.
High levels of several broad spectrum fluoroquinolone antibiotics were previously documented in effluent and surface water, ciprofloxacin being the most abundant [11], [12].
Most water sports — including board sports — require a dominance of equilibrium reflexes; the athlete has to not only stand on an unstable surface, but react almost instantaneously to varying stimuli.
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