Sentences with phrase «atmospheric processes in»

Unmanned aerial system and tethered balloon system measurements have supplemented ARM Mobile Facility data to help improve understanding of atmospheric processes in the Arctic.
The UAS and TBS measurements have supplemented data obtained by the third ARM Mobile Facility at Oliktok Point — part of ARM's North Slope of Alaska atmospheric observatory — to help improve understanding of atmospheric processes in the Arctic.
«Understanding the links between stratospheres and chemical compositions is critical to studying atmospheric processes in exoplanets,» co-author Nikku Madhusudhan from the University of Cambridge, said in the statement.
«Understanding the links between stratospheres and chemical compositions is critical to studying atmospheric processes in exoplanets,» said co-author Nikku Madhusudhan of the University of Cambridge, United Kingdom.
The setting gave scientists the rare opportunity to look at the impact of pollution on atmospheric processes in a largely pre-industrial environment and pinpoint the effects of the particles apart from other factors such as temperature and humidity.

Not exact matches

In advancing these theories they disregard factors universally admitted by all scientists — that in the initial period of the «birth» of the universe, conditions of temperature, atmospheric pressure, radioactivity, and a host of other catalytic factors were totally different than those existing presently, including the fact that we don't know how single atoms or their components would bind and consolidate, which involved totally unknown processes and variables, as single atoms behave far differently than conglomerations of atomIn advancing these theories they disregard factors universally admitted by all scientists — that in the initial period of the «birth» of the universe, conditions of temperature, atmospheric pressure, radioactivity, and a host of other catalytic factors were totally different than those existing presently, including the fact that we don't know how single atoms or their components would bind and consolidate, which involved totally unknown processes and variables, as single atoms behave far differently than conglomerations of atomin the initial period of the «birth» of the universe, conditions of temperature, atmospheric pressure, radioactivity, and a host of other catalytic factors were totally different than those existing presently, including the fact that we don't know how single atoms or their components would bind and consolidate, which involved totally unknown processes and variables, as single atoms behave far differently than conglomerations of atoms.
The main objectives of this mission are to search for evidence of methane and other trace atmospheric gases that could be signatures of active biological or geological processes and to test key technologies in preparation for ESA's contribution to subsequent missions to Mars.
«Quantifying the sulfur dioxide bull's - eyes is a two - step process that would not have been possible without two innovations in working with the satellite data,» said co-author Nickolay Krotkov, an atmospheric scientist at NASA's Goddard Space Flight Center in Greenbelt, Maryland.
«We now know that the lack of a protective magnetic field and the differing planetary rotation rates also play a role in ensuring that many of the atmospheric processes we observe on Earth occur at a much faster rate on Venus.
«In fact, it meant that the process causing the atmospheric 15N15N enrichment has to fight against this biological signature.
Countless additional forces — melting ice sheets, shifts in precipitation, changes in atmospheric and oceanic circulation, to name a few — will influence the process as well.
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.
Seeding clouds with chemical coolants could keep the games dry, but if atmospheric conditions are not favorable the process could also result in a rainout
Researchers use atmospheric models to simulate this process in the Amazon.
«It's one of the clearest examples of how humans are actually changing the intensity of storm processes on Earth through the emission of particulates from combustion,» said Joel Thornton, an atmospheric scientist at the University of Washington in Seattle and lead author of the new study in Geophysical Research Letters, a journal of the American Geophysical Union.
Rather, they are the result of the peculiar processes that unfold in a place cold enough that atmospheric carbon dioxide can freeze into snowy layers of dry ice.
In this process, also known as the biological pump, atmospheric CO2 is stored in sedimentary deposits over geological time periodIn this process, also known as the biological pump, atmospheric CO2 is stored in sedimentary deposits over geological time periodin sedimentary deposits over geological time periods.
Today in Nano Letters, the group presents a process that turns atmospheric CO2 into carbon nanofibers similar to valuable materials used in industries such as aerospace, construction, and electronics.
Photosynthesis — the process green plants use to convert energy from the sun that plants use to grow — from tropical forests, plays a huge role in determining global atmospheric CO2 concentration, which is closely linked the global temperature and rate of climate change.
Undertaken by University of Adelaide in collaboration with CSIRO, the research could make viable a process that has enormous potential to replace fossil fuels and continue to use existing carbon - based fuel technologies without increasing atmospheric CO2.
Microbial processes in Taiwan's Central Mountain Range may point to a new source of atmospheric carbon.
It can attach to dust particles and rain out of the sky, in a process called atmospheric deposition.
Due to low levels of atmospheric oxygen, the process may have been fermentative, still found in microbes such as yeast today.
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.
«The change in flux described by our model happens over extremely long time periods, and it would be a mistake to think that these processes that are bringing about any of the atmospheric changes are occurring due to anthropomorphic climate change,» he said.
The research may force a re-examination of the role of acidity in atmospheric chemistry, especially where it affects key processes in climate change models.
Secondly, the slow variation in this high - pressure ridge is enhanced by filtering out the atmospheric noise through land soil processes.
In contrast, Coskata says its process works at relatively low pressure and temperature: about twice atmospheric pressure and 97 degrees Fahrenheit.
Natural geochemical processes that result in the slow buildup of atmospheric carbon dioxide may have caused past geologic intervals of global warming through the greenhouse effect
He wants to know whether the tendency of emitted compounds to end up as long - lived atmospheric components is generally applicable to other compounds and how this process might coexist or compete with other processes occurring in the atmosphere.
Reactions in and on sea - salt aerosol particles may have a strong influence on oxidation processes in the marine boundary layer through the production of halogen radicals, and reactions on mineral aerosols may significantly affect the cycles of nitrogen, sulfur, and atmospheric oxidants.
Once the monthly temperature data is collected and processed, it is placed in a «public» computer file for immediate access by atmospheric scientists in the U.S. and abroad.
Plants convert atmospheric carbon dioxide into energy in the form of sugars, which they can use to fuel any number of vital life processes.
Researchers have long known the region is crucial in the uptake of atmospheric CO2 and that biological processes in the Southern Ocean influence the global ocean system via northward flowing currents.
So in other words, you know, P is going to be about 1.2, S is going to be about 2, and E, say we do super-well in efficiency, it's a 0.5, because there's a mix of things like lighting that you can do super-well, and things like making fertilizer, where you're literally, unless there's something we're not seeing, we're close to the, you know, taking atmospheric N2 and making fertilizer's got an energy cost that — actually, those processes are so amazing, they're within like 20 percent of what we think that minimum looks like.
Their findings have been recently published in EPJ D and are particularly relevant for the development of novel applications in medicine, health care and materials processing because they involve air at normal atmospheric pressure, which would make it cheaper than applications in inert gases or nitrogen.
«We show that uptake of atmospheric NH3 (ammonia) onto surfaces containing TiO2 (titanium dioxide) is not a permanent removal process, as previously thought, but rather a photochemical route for generating reactive oxides of nitrogen that play a role in air pollution and are associated with significant health effects,» the authors write.
The same fractionation process that could turn a solar sample of xenon into a modern - day atmospheric sample of xenon would leave a deficit in light isotopes of krypton, compared with what is found in Earth's present atmosphere.
«Fifty - four percent of that is fertilizer — the Haber - Bosch process; 11 percent is atmospheric deposition — the plus side of pollution; 18 percent is in situ fixation,» or nitrogen - fixing cover crops, like legumes, Sanchez said.
In the «Proceedings of the National Academy of Sciences» (PNAS), the team has now studies how different biogenic compounds produce ELVOC's and how relevant these compounds are for the atmospheric processes.
Iron encourages the bloom of tiny algae called phytoplankton, which take in carbon dioxide (CO2) dissolved in the ocean for photosynthesis; that process in turn draws atmospheric CO2 into the surface waters.
«We are beginning to see the links in a chain that begins with solar - driven processes acting on gas in the upper atmosphere and leads to atmospheric loss,» said Bruce Jakosky, MAVEN principal investigator with the Laboratory for Atmospheric and Space Physics at the University of Colorado, Boulder.
Roe and his U.W. co-author, atmospheric physicist Marcia Baker, argue in Science that, because of this inherent climate effect, certainty is a near impossibility, no matter what kind of improvements are made in understanding physical processes or the timescale of observations.
Scientists use data from the SGP to learn about cloud, aerosol, and atmospheric processes, which in turn leads to improvements in models of the Earth's climate.
These data are used in large - eddy simulation (LES) models, which simulate atmospheric air currents and cloud processes, to provide context and a self - consistent representation of the atmosphere surrounding the SGP.
Propose numerical experiments aiming to refine numerical techniques and the formulation of atmospheric physics processes, boundary layer processes and land surface processes in models.
Photosynthetic processes are accelerated with the increased availability of carbon dioxide in the atmosphere and, hence, it is conjectured that ring growth would also be correlated with atmospheric carbon dioxide; see Graybill and Idso (1993).
I am excited about our results because they open a new window on very fundamental processes in brown dwarfs (atmospheric circulation, heat exchanges, and cloud formation) and, at the same time, they also explain a number of past observations that puzzled brown dwarf experts.
Since among the main goals of this mission are the characterization of atmospheric loss processes (with special attention to water) and the identification of their relation to the solar wind (Bougher et al. 2014), major scientific return related to space weather is expected in the next years.
While the exact mechanism for charging and for initiating lightning within the Venusian clouds is not currently known (Yair 2012) it is nonetheless likely that cosmic ray ionization has an important role in this process as it is believed to be the primary source of atmospheric ions at middle and low altitudes.
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