Sentences with phrase «in atmospheric air»

The cosmic ray particles work let's say like a «glue» that puts together all the already formed condensation nuclei in the atmospheric air, creating therefore bigger condensation nuclei and finally the clouds, or the cosmic particles act as aerosols on their own, on which the water vapour condenses?

The modelers ignored the evidence from direct measurements of CO2 in atmospheric air indicating that in 19th century its average concentration was 335 ppmv [11](Figure 2).

Sidorenko tells about the factors that affect Earth's rotation, both that short term variability is largely due to changes in the atmospheric air movements and ocean currents, and that the decades - long fluctuations have another source, speed of drift of the lithosphere.

Not exact matches

Hundred of bombs detonated in the open air (and several more in the ocean) during the heyday of atmospheric nuclear testing — with thousands more tests conducted underground.

Aspirated by an oil - free air compressor, this extremely low level of atmospheric oil is washed away by the condensate in the intercooler and aftercooler.

Ambient Water, a leading provider of atmospheric water generation systems for extracting water from humidity in the air, today announced that Ballast Point Brewing Co. has completed its first two batches of beer made with water produced from Ambient's atmospheric water generation systems.

San Diego, CA — Ambient Water (otc pink: AWGI), a leading provider of atmospheric water generation systems for extracting water from humidity in the air, today announced that Ballast Point Brewing Co. has completed its first two batches of beer made with water produced from Ambient's atmospheric water generation systems.

While I obviously would not wish on anybody the scale of fraud perpetrated by his management, which was on such a scale that it brought him out to perform a world tour in 2008, the fact that I was able to see him at an atmospheric, open - air concert at Edinburgh castle was a welcome consequence.

In addition to the isotope concentration, the air bubbles trapped in the ice cores allow for measurement of the atmospheric concentrations of trace gases, including greenhouse gases carbon dioxide, methane, and nitrous oxidIn addition to the isotope concentration, the air bubbles trapped in the ice cores allow for measurement of the atmospheric concentrations of trace gases, including greenhouse gases carbon dioxide, methane, and nitrous oxidin the ice cores allow for measurement of the atmospheric concentrations of trace gases, including greenhouse gases carbon dioxide, methane, and nitrous oxide.

To see if these regulations affected bromine concentrations, atmospheric chemist Stephen Montzka of the National Oceanic and Atmospheric Administration in Boulder, Colorado, and colleagues analyzed air samples taken several times each month from 10 land - based sites across the globe between 1995 and 2002.

Growth rates for concentrations of carbon dioxide have been faster in the past 10 years than over any 10 - year period since continuous atmospheric monitoring began in the 1950s, with concentrations now roughly 35 percent above preindustrial levels (which can be determined from air bubbles trapped in ice cores).

Keeping atmospheric concentrations of greenhouse gases below 550 ppm, let alone going back to 350 ppm or below, will not only require a massive shift in human society — from industry to diet — but also, most likely, new technologies, such as capturing CO2 directly from the air.

In all regions, the researchers attributed some of the increase in atmospheric ammonia to climate change, reflected in warmer air and soil temperatureIn all regions, the researchers attributed some of the increase in atmospheric ammonia to climate change, reflected in warmer air and soil temperaturein atmospheric ammonia to climate change, reflected in warmer air and soil temperaturein warmer air and soil temperatures.

Kohyama was studying atmospheric waves when he noticed a slight oscillation in the air pressure.

«You might expect air quality would decline if ammonia emissions go up, but this shows it won't happen, provided the emissions from combustion go down,» said Fabien Paulot, an atmospheric chemist with Princeton University and the National Oceanic and Atmospheric Administration who was not involved in the study.

The researchers built their history of atmospheric oxygen using measured ratios of oxygen - to - nitrogen found in air trapped in Antarctic ice.

Filling in all these details will make it possible to refine the accuracy of atmospheric models and help to assess such things as strategies to mitigate specific air pollution issues, from ozone to particulate matter, or to assess the sources and removal mechanisms of atmospheric components that affect Earth's climate.

«The debris pile acted like a chemical factory,» atmospheric scientist Thomas Cahill of the University of California - Davis explained to the American Chemical Society in 2003, after analyzing many of those air samples.

In attacking the air - blurred starlight, his weapon of choice will be a run - of - the - mill adaptive optics system augmented by another more «extreme» version that uses 2,000 computer - controlled actuators to correct atmospheric distortions by flexing a deformable mirror more than 3,600 times per second.

The organic (carbon - containing) compounds they studied in that patch of Colorado forest play a key role in atmospheric chemical processes that can affect air quality, the health of the ecosystem, and the climate itself.

But Giacconi and his team at American Science and Engineering in Cambridge, Massachusetts, already had a contract with the Air Force to monitor atmospheric nuclear tests, and he knew the Air Force was hoping to get in on President Kennedy's lunar program.

The North Atlantic Oscillation, a large - scale natural weather cycle, went into a phase in which summer atmospheric conditions favored more incoming solar radiation and warmer, moist air from the south.

The researchers found that large - scale features of atmospheric circulation — in particular, the strength and position of the Aleutian Low, a semi-permanent, subpolar area of low pressure located in the Gulf of Alaska near the Aleutian Islands — largely determined the timing of snowmelt during spring in Alaska, by either facilitating or inhibiting the transport of warm, moist air into the region.

«As the Clean Air Act and amendments have taken effect there has been a reduction in sulfur emissions from coal combustion, so that the amount of atmospheric sulfur deposited each year is only 25 percent of what it used to be.

They developed a calculation to divide the sound into smaller pieces and then estimated the source location for all the small pieces, correcting for delays caused by the speed of sound in air at room temperature and at standard atmospheric pressure.

The ridge is stuck in part because a giant swoop in the jet stream has divided the country, with the high - pressure parked west of the atmospheric winds, while cooler air is swept to the East.

Because air temperature significantly alters atmospheric dynamics, which in turn affects moisture transport, scientists speculate that this increase of high altitude moisture may be tied to global warming.

In an interesting and so far unexplained atmospheric riddle, the air at that altitude is actually colder in summer than in winter, causing these clouds to form only in the summer months in either hemispherIn an interesting and so far unexplained atmospheric riddle, the air at that altitude is actually colder in summer than in winter, causing these clouds to form only in the summer months in either hemispherin summer than in winter, causing these clouds to form only in the summer months in either hemispherin winter, causing these clouds to form only in the summer months in either hemispherin the summer months in either hemispherin either hemisphere.

Scientists can determine ancient atmospheric concentrations by measuring CO2 and methane levels in tiny air bubbles trapped in such ice, formed when the ice fell to the earth as snow.

While lying in a cylindrical chamber, patients breathe in 100 percent oxygen (normal air is about 21 percent oxygen) at 2 to 3 times regular atmospheric pressure, for at least an hour.

Schulz and his colleagues suspect that an atmospheric low tide releases a tiny amount of pressure on the air and water in the soil at the surface.

In a warming world, atmospheric water vapour content is expected to rise due to an increase in saturation water vapour pressure with air temperaturIn a warming world, atmospheric water vapour content is expected to rise due to an increase in saturation water vapour pressure with air temperaturin saturation water vapour pressure with air temperature.

Because Mars» atmospheric pressure at ground level is comparable to that of Earth's atmosphere at 100,000 feet — a mere 1.4 percent of Earth's air pressure at sea level — an aircraft that can fly in such conditions will help engineers learn how to design aircraft to roam Martian skies.

The ongoing disappearance of sea ice in the Arctic from elevated temperatures is a factor to changes in atmospheric pressure that control jet streams of air, explained James Overland, an oceanographer of the National Oceanic and Atmospheric Administration, or NOAA.

Tropospheric ozone — a greenhouse gas and the kind that affects the air we breathe — can increase in concentration because of atmospheric conditions, or can result from human activities.

Using a computer model that fused air pollution and atmospheric chemistry data, they estimated what annual average levels of ozone (a key smog ingredient) and fine particulates smaller than 2.5 microns (PM2.5) were in 2010 within 100 - km - by -100-km grid squares across the world.

That excess tropical energy fueled rising air in a process known as convection, creating rain, releasing heat, and forming large - scale atmospheric patterns called Rossby waves.

It is common for atmospheric waves to grow in amplitude with height as the air becomes thinner.

The national average peak is June 12, but the peak in particular regions can be anywhere from early May to early July, when warm, moist air from over the Gulf of Mexico can venture northward and clash with other air masses, creating an unstable atmospheric environment.

«But this is the one of the first times atmospheric air pollution has been taken into account in determining solar photovoltaic cells» ability to generate electricity.»

«Any uncontaminated air in any one of the three coffins would be the Rosetta Stone of the atmosphere,» says Joel Levine, an atmospheric scientist at the NASA Langley Research Centre in Hampton, Virginia.

(Gravity waves, common atmospheric ripples on Earth that result from air trying to regain its vertical balance, should not be confused with gravitational waves, cosmological ripples in spacetime.)

Toward that end the agency this month, at its Tropospheric Emission Monitoring Internet Service (TEMIS) conference in Italy, touted its ability to provide free atmospheric and environmental data to help nations assess air pollution problems.

Ming Sung, chief representative in Asia for the Clean Air Task Force, a Boston - based nonprofit group dedicated to reducing atmospheric pollution, said that other companies in China confront the same obstacle.

The UM Rosenstiel School researchers used historical observations of cloud cover as a proxy for wind velocity in climate models to analyze the Walker circulation, the atmospheric air flow and heat distribution in the tropic Pacific region that affects patterns of tropical rainfall.

When atmospheric scientist Christine Wiedinmyer first went to Ghana in 2011 to investigate air pollution produced by burning different materials — from crop stubble to coal used in stoves — she noticed an unexpected potential source: burning piles of trash.

«There could be different reasons: atmospheric changes in temperature or air pressure, people suddenly moving or not moving, or other sudden changes,» says C. S. Unnikrishnan of Tata Institute of Fundamental Research in Mumbai, India.

Air naturally poor in ozone was, for example, lifted into the lower stratosphere above Britain from the sub-tropical Atlantic, by an unusual pattern of atmospheric circulation.

Since 2006, he has worked with NOAA's air sampling system that uses glass flasks to collect atmospheric samples from 44 different sites around the world to track the annual increase of ethane and other so - called volatile organic compounds in the air.

As a result of atmospheric patterns that both warmed the air and reduced cloud cover as well as increased residual heat in newly exposed ocean waters, such melting helped open the fabled Northwest Passage for the first time [see photo] this summer and presaged tough times for polar bears and other Arctic animals that rely on sea ice to survive, according to the U.S. Geological Survey.