Sentences with phrase «percent of surface water»

Over 70 percent of their surface water is polluted.

In a 2012 study of 33 fungicides used on potatoes, Kuivila's lab found that 75 percent of surface waters tested and 58 percent of ground water samples were contaminated with traces of at least one fungicide.

Not exact matches

The agency downplayed the impact of the withdrawal, saying it would amount to only a 0.07 percent increase in total surface water withdrawal from Lake Michigan.

While the livestock sector supports livelihoods of one billion of the world's poor, and its products provide one - third of our protein intake, it poses serious threat to our environment: it is responsible for 14.5 percent of GHG emissions, 29 percent of total water footprint of agriculture, and occupies 30 percent of the land surface of the planet.

The county estimates those systems account for about 70 percent of the nitrogen pollution in the county's surface water.

Higgins has released a written statement noting the route the shipment will take next year crosses the Niagara River, accessing 95 - percent of the surface fresh water in the U.S..

This is because almost 70 percent of Earth's surface is covered with water.

«This is huge because 70 percent of Earth's surface is covered by water and we've largely been blind to it — until now.

Even though water covers 70 percent of Earth's surface, it makes up a very small fraction of the planet's overall bulk.

Surface waters today are 30 percent more acidic, on average, than they were at the start of the Industrial Revolution.

About 75 percent of the Earth's surface is covered in water, which makes an ocean splashdown likely, NASA and experts have said.

The researchers found 532 wells, or 1.3 percent of those studied, that were fracked about 300 meters or less from the surface — within the depth range of drinking water wells.

Unlike traditional shipboard sonar measurements — which bounce waves off the seafloor and have mapped out a mere 20 percent of the planet's oceans — the satellites captured subtle variations in Earth's gravitational pull at the water's surface.

Earth (for comparison) Despite our planet's name, about 70 percent of its surface is covered with water.

Not only does Earth have a lot of visible water — oceans cover 70 percent of the surface — but another 10 oceans» worth of water may be entombed deep inside.

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.

When basalt — a volcanic rock that makes up roughly 70 percent of the earth's surface — is exposed to carbon dioxide and water, a chemical reaction occurs, converting the gas to a chalk - like solid material.

Water covers about 70 percent of the Earth's surface, but scientists also want to know how much lies inside the planet.

Washington, DC — Water makes up more than 70 percent of our planet's surface and up to 60 percent of our bodies.

Composed of about 99 percent water, sweat evaporates on the skin's surface, cooling the body and keeping it from overheating.

A stunning claim that 40 percent of our galaxy's 160 billion red dwarf stars have plus - sized Earths orbiting the right distance for liquid water to exist on their surfaces, a condition believed to be necessary for life.

- 40 percent of these red dwarfs could harbor planets that maintain water in a liquid state on their surfaces.

As of August, Antigua had no surface water supplies, and by October it was using 100 percent desalinated water.

For an Earth - type planet around HD 189733 A to have liquid water at its surface, it would need a stable orbit centered around 0.5 AU — between the orbital distances of Mercury and Venus in the Solar System (with an orbital period around 150 days assuming a stellar mass around 82 percent of Sol's.

For an Earth - type planet, the orbital distance where it would have liquid water zone on its surface would be around 0.884 AU, where the orbital period would be 392 days (1.073 years) if the star actually does have around 60 percent of a Solar - mass.

Mars is thought to have been temperate and to have had surface water around 3.5 billion years ago, but 90 percent of its atmosphere has been destroyed by solar particles during the planet's lifetime.

Today, 20 percent of the world's fresh surface water is contained in the five great lakes: 5,472 cubic miles (22,812 km ³), or six quadrillion U.S. gallons (22.81 quadrillion liters) in all.

Impact craters at many latitudes sometimes expose thin ice layers a foot or so beneath Mars» surface.132 «At polar latitudes, as much as 50 percent of the upper meter of soil may be [water] ice.»

After reports that weasels and rats were moving around in broad daylight, unafraid of humans, and that natural spring water had become muddy — signs to some that forces were at work below the earth's surface — officials evacuated 60 percent of the population.

What we really like about this cloth designed to clean your touch screen devices, is that it does not just remove smudges but it removes up to 98 percent of bacteria and 93 percent of viruses from a surface using only water (no chemicals).

The Base Flood Elevation, or BFE shown on the Flood Insurance Rate Map (FIRM) for high - risk flood zones indicates the water surface elevation resulting from a flood that has a one percent chance of equaling or exceeding that level in any given year.

Seventy - one percent of the Earth's surface is covered by water, but not all tides come ashore with mammoth waves.

In a companion exhibition to Edward Burtynsky: Water we present a wide - ranging collection of photographs related to the other 29 percent of the Earth's surface.

Did you know that oceans cover three quarters of the Earth's surface, contain 97 percent of the Earth's water, and represent 99 percent of the living space on the planet by volume?

«We discovered that although the small shallow ponds we studied represent only 44 percent of the water - covered surface in a Bylot Island valley, they generate 83 percent of its methane emissions,» said Karita Negandhi, a water sciences doctoral student at the INRS's Environment Research Center.»

Given that 70 percent of the Earth's surface is water, salted and fresh (sic), your headline says it all: «our EXHAUSTED oceans.»

Specifically, it reduces the concentration of carbonate ions in surface ocean water by 10 percent, compared with pre-industrial levels.

However, it is estimated that 90 percent of the country's surface water bodies are contaminated.

In the absence of such aerosols, the spontaneous conversion of water vapour into liquid water or ice crystals requires conditions with relative humidities much greater than 100 percent, with respect to a flat surface of H2O.

The five Great Lakes hold 21 percent of the world's fresh surface water — an H 2 O supply that will come in handy in drier times.

A fifty - year trend of decline in the deep cold water in one branch of the conveyor's return loop has just been discovered, suggesting (if not compensated elsewhere) a decline in the warm water surface delivery of more than 20 percent.

Results showed that the extent of multi-year ice, which includes areas of the Arctic Ocean where multi-year ice covers at least 15 percent of the water's surface, is shrinking at a rate of 15.1 percent per decade.

Groundwater supplies between 30 and 50 percent of California's water supply, depending on precipitation, and represents a storage reservoir that is over three times greater than available surface water storage.

In the western US, they contribute as much as 75 percent of surface - water and groundwater supplies.

Only approximately 15 percent of that decline can be attributed to a warmer mixed - layer, with the remainder being «consistent with an overall decrease in the exchange between surface waters and the ocean interior» (Helm et al., 2011).

How much does potential surface area for CO2 absorption vary with a one percent change in the number and nature of water droplets in the atmosphere?

The scientists estimated that the swarm consumed up to 74 percent of microscopic carbon - containing plants from the surface water per day, and their sinking fecal pellets transported up to 4,000 tons of carbon a day to deep water.

«The ocean covers 71 percent of the Earth's surface and contains 97 percent of the planet's water, yet more than 95 percent of the underwater world remains unexplored.

Data on water irrigation efficiency for surface water projects — that is, dams that deliver water to farmers through a network of canals — show that crop usage of irrigation water never reaches 100 percent simply because some irrigation water evaporates, some percolates downward, and some runs off.

With the weather conditions at sea, where strong winds constantly blow on the water's surface on most of the days of the year, and the technology rapidly becoming cheaper, hopes are springing that offshore wind turbines alone could cover well over 12 percent of the power consumption of the world's fourth largest economy by 2030 — meaning that the number of turbines would have to rise considerably from the roughly 1,200 in operation at the end of 2017.