Sentences with phrase «from atmospheric air»

Solar jet fuel would be carbon - neutral assuming the CO2 is captured from atmospheric air (or comes from biomass) because the CO2 used in the fuel production is equivalent to the CO2 released in combustion.

Our DAC system has four major unit operations that comprise a closed chemical loop, which continuously captures CO2 from atmospheric air, and delivers a purified compressed stream of CO2, using only water and energy as inputs.

A metal - air battery is a type of fuel cell or battery that uses the oxidation of a metal with oxygen from atmospheric air to produce electricity.

Not exact matches

If you prefer science and you ask what causes wind, you seek out the answer and find that it is air moving from a point of high atmospheric pressure to a point of lower atmospheric pressure.

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.

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.

«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.

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 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.

Researchers have a record of atmospheric carbon dioxide stretching back millions of years thanks to ice cores from Antarctica, which contain trapped gas bubbles, snapshots of ancient air.

«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.

Using publically available data about wind speed and water vapor flux from real - world atmospheric rivers over the Atlantic, the scientists created a computer model consisting of thousands of moving virtual air particles and found a close match between the complex swirls — the Lagrangian coherent structures — made by the air particles and the patterns made by the real atmospheric rivers.

Beyond basic subjects such as climate and weather, this site from the U.K. Department of Environment, Food & Rural Affairs covers a wide range of pressing atmospheric science issues including acid rain, air quality, climate change, global warming and ozone depletion.

When the researchers placed the material inside a gas chamber and cranked up the air pressure from one bar (about the atmospheric pressure at sea level) to five bars, the cube's volume increased by about 3 percent.

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.

Satellite images and atmospheric models such as these have helped Jaffe demonstrate how mercury and other emissions from China feed into a complex network of air currents that distribute pollutants across the globe.

«There are a lot of consequences from this type of air motion,» says Elliot Atlas, professor of marine and atmospheric chemistry at the University of Miami and a principal investigator for the project.

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.

(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.)

«For various periods over the last 60 years, we have been able to combine important processes: atmospheric variability, such as the North Atlantic Oscillation, water and air temperatures, the occurrence of fresh surface water, and the duration of convection,» explains Dr. Marilena Oltmanns from GEOMAR, lead author of the study.

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.

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.

The first clues appeared in 2007, when NOAA researchers noticed occasional plumes of pollutants including methane, butane and propane in air samples taken from a 300 - metre - high atmospheric monitoring tower north of Denver.

Because atmospheric conditions such as wind and temperature can greatly affect particulate - matter measurements, researchers from EPIC - India and the Evidence for Policy Design initiative at Harvard University in Cambridge, Massachusetts, gathered data from air - quality monitors in New Delhi and placed monitors in three adjacent cities as a control.

The effects of increased temperatures and atmospheric CO2 concentration have been documented concerning shifts in flowering time and pollen initiation from allergenic plants, elevated production of plant - based allergens, and health effects of increased pollen concentrations and longer pollen seasons.15, 16,17,18,19,20,21,22,23,24,25,26 Additional studies have shown extreme rainfall and higher temperatures can lead to increased indoor air quality issues such as fungi and mold health concerns.27, 28,29,30

«We used a UK Met Office computer model of atmospheric transport to look back in time, at where the air samples we collected had travelled from.»

The zeolite produces mainly water and atmospheric nitrogen — the main component of air — but it needs to be fed ammonia, such as from urea.

Variations of deuterium (δD; black), a proxy for local temperature, and the atmospheric concentrations of the greenhouse gases CO2 (red), CH4 (blue), and nitrous oxide (N2O; green) derived from air trapped within ice cores from Antarctica and from recent atmospheric measurements (Petit et al., 1999; Indermühle et al., 2000; EPICA community members, 2004; Spahni et al., 2005; Siegenthaler et al., 2005a, b).

«Based on our observations in the sea - surface microlayer, we think that this could be very important as it may imply a positive feedback on atmospheric CO2 from oceanic sources, that is, from microbial metabolism at the air - sea interface.»

Those atmospheric ingredients tend to come into play across the Southeast in March as warm, moist air flows up from the Gulf of Mexico and meets with cooler, drier air dropping down from the northwest.

For the most recent glacial periods ice cores provide climate proxies from their ice, and atmospheric samples from included bubbles of air.

His expertise is on mathematical modelling, atmospheric physics and chemistry; particularly evaluation of urban air quality, the dispersion of pollution from traffic.

Predictive accuracies ranging from 89.4 % to as high as 99.1 % show that trained deep learning neural networks (DNNs) can identify weather fronts, tropical cyclones, and long narrow air flows that transport water vapor from the tropics called atmospheric rivers.

In other research around atmospheric dynamics of tidally locked exoplanets, there could be a situation where the world has efficient «air conditioning» — hot air from one hemisphere is distributed about the planet in such a way to balance global temperatures.

Using our carbon cycle model we calculate that if we extract 100 ppm of CO2 from the air over the period 2030 — 2100 (10/7 ppm per year), say storing that CO2 in carbonate bricks, the atmospheric CO2 amount in 2100 will be reduced 52 ppm to 358 ppm, i.e., the reduction of airborne CO2 is about half of the amount extracted from the air and stored.

A compilation of surface measurements of downward longwave radiation from 1973 to 2008 find an increasing trend of more longwave radiation returning to earth, attributed to increases in air temperature, humidity and atmospheric carbon dioxide (Wang 2009).

The study shows that during drilling, as much as 34 grams of methane per second were spewing into the air from seven natural gas well pads in southwest Pennsylvania — up to 1,000 times the EPA estimate for methane emissions during drilling, Purdue atmospheric chemistry professor and study lead author Paul Shepson said in a statement.

Genuine VW Pollen Filters are made to fit your specific vehicle model to help protect you and your passengers from air - borne diseases, allergens, and atmospheric irritants.

Genuine VW Air Filters are made to fit your specific vehicle model to help protect you and your passengers from air - borne diseases, allergens, and atmospheric irritanAir Filters are made to fit your specific vehicle model to help protect you and your passengers from air - borne diseases, allergens, and atmospheric irritanair - borne diseases, allergens, and atmospheric irritants.

The company's primary products are atmospheric gases, which are produced from air (e.g., oxygen and nitrogen) and process gases, which are produced through additional processes (e.g., carbon dioxide, hydrogen, and acetylene).

Cubism influenced Ippolito's early work, but eased by his progressively spontaneous brushstrokes, his early abstractions drew from natural landscapes with a profoundly atmospheric air of color which gradually became his trademark.

The Cloisters: «Radiant Light: Stained Glass from Canterbury Cathedral» (closes on Sunday) With monastic masonry shipped in from Europe, an interior filled with liturgical luxe, and its air fragrant with spiritual expectation, the Cloisters, the Metropolitan Museum's medieval redoubt in Upper Manhattan, is a complete atmospheric package.

[Response: Much of the power for the hurricanes comes from latent heat: the condensation of atmospheric moisture as air parcels are raised.

From the abstract: «Despite ongoing increases in atmospheric greenhouse gases, the Earth's global average surface air temperature has remained more or less steady since 2001.»

Seeing this as a baseline, positive CO2 feedback from temperature changes, or a running out of capacity for greater uptake from CO2 accumulation, would be seen as adding more CO2 to the air in addition to anthropogenic releases, but it would have to surpass some level before it would result in a total atmospheric accumulation of CO2 greater than anthropogenic emissions (first, as a rate, and later, cummulative change).