Sentences with phrase «atmospheric studies in»

This powerful instrument, funded by DOE's Office of Science, was created for laboratory studies and atmospheric studies in the field.

Not exact matches

In my studies of apologetics I have come across a number of «experts» who believe atmospheric conditions were quite different before the flood of Noah.

However, newer research has shown that GHG emissions such as atmospheric methane have risen rapidly since 2007, according to a 2016 study published in the International Journal of Science.

Jim Kasting, an atmospheric chemist at The Pennsylvania State University unaffiliated with the study says its results are «on the right track,» even though «the idea that methane might be a biosignature in an anoxic atmosphere is not exactly new.»

Co-authored by David Catling, an atmospheric chemist at the University of Washington in Seattle, the study peers deep into our planet's history to devise a novel recipe for finding single - celled life on faraway worlds in the not - too - distant future.

GREENHOUSE GASSED In a long - running field experiment in Minnesota, scientists are studying the effects of rising atmospheric carbon dioxide levels on plots of grasslanIn a long - running field experiment in Minnesota, scientists are studying the effects of rising atmospheric carbon dioxide levels on plots of grasslanin Minnesota, scientists are studying the effects of rising atmospheric carbon dioxide levels on plots of grassland.

A new study by Suzanne Baldwin, the Michael G. and Susan T. Thonis Professor of Earth Sciences, and Jayeshkumar Das, a research associate of Earth sciences, brings insight to how atmospheric noble gases, in particular argon and neon, cycle from the surface to the Earth's mantle, and back to the surface again.

«We have found that the deposition of sulfur compounds in the Antarctic after very large volcanic eruptions in the tropics may be lower than previously thought,» the atmospheric researcher summarizes the findings of the study which has just been published in the current issue of the international «Journal of Geophysical Research — Atmosphere.»

«This is a cutting - edge study in the field of cloud - aerosol - precipitation interactions that includes an interdisciplinary group of atmospheric chemists and meteorologists,» he said.

But advances in the understanding of atmospheric oxygen levels are challenging that idea, explains Sandra Schachat, a paleoentomologist at Stanford University, who led a recent study that modeled the gas's availability during the hexapod gap.

A 2005 study in the American Journal of Obstetrics & Gynecology, however, found no relationship between atmospheric pressure and birthrate.

While natural patterns of certain atmospheric and ocean conditions are already known to influence Greenland melt, the study highlights the importance of a long - term warming trend to account for the unprecedented west Greenland melt rates in recent years.

«This is not against fertilizer — there are many places, including Africa, that need more of it,» said Susanne Bauer, an atmospheric scientist at Columbia University's Center for Climate Systems Research and NASA's Goddard Institute for Space Studies in New York and lead author of the study.

A crucial reason why the study of freshwater acidification has lagged until now is because determining how atmospheric carbon affects these ecosystems requires complex modeling, and is much less clear than that occurring in oceans, according to study author Linda Weiss, an aquatic ecologist at Ruhr University Bochum in Germany.

«We now have an independent measurement of these emission sources that does not rely on what was known or thought known,» said Chris McLinden, an atmospheric scientist with Environment and Climate Change Canada in Toronto and lead author of the study published this week in Nature Geosciences.

«Our study reports the first global, long - term trends of atmospheric ammonia from space,» said Juying Warner, as associate research scientist in atmospheric and oceanic science at UMD.

The Science study finds that this is most likely because the models underestimate the atmospheric warming in the Arctic that is induced by a given carbon - dioxide emission.

Europe experienced the least dramatic increase in atmospheric ammonia of the four major agricultural areas highlighted by the study.

«As far as I know, this is the first study to convincingly connect the tidal force of the moon with rainfall,» said corresponding author Tsubasa Kohyama, a UW doctoral student in atmospheric sciences.

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

Part of the challenge with many these volatile - emitting products is that they're specifically designed to evaporate as part of their job, says study coauthor Jessica Gilman, an atmospheric chemist at the National Oceanic and Atmospheric Administration in Boulder.

«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.

As shown in previous studies, the litter from the polluted site, which had endured high levels of atmospheric nitrogen oxides and ozone, had higher nitrogen content than litter from the clean site.

Mission leaders were relieved and eager to begin their studies of cloud and haze effects, which «constitute the largest uncertainties in our models of future climate — that's no exaggeration,» says Jens Redemann, an atmospheric scientist at NASA's Ames Research Center in Mountain View, California, and the principal investigator for ObseRvations of Aerosols above CLouds and their IntEractionS (ORACLES).

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.

In the new study, published today in Nature Geoscience, the scientists also report the atmospheric abundance of one of these «very short - lived substances» (VSLS) is growing rapidlIn the new study, published today in Nature Geoscience, the scientists also report the atmospheric abundance of one of these «very short - lived substances» (VSLS) is growing rapidlin Nature Geoscience, the scientists also report the atmospheric abundance of one of these «very short - lived substances» (VSLS) is growing rapidly.

He has been a pioneer in transitioning atmospheric / oceanic sciences from a descriptive study to one using more quantitative methods.

Essentially, drought years could become the norm for the Amazon by 2050 if deforestation rates rebound, said Dominick Spracklen, an atmospheric scientist at the University of Leeds School of Earth and Environment, United Kingdom, and lead author of the new study published today in Geophysical Research Letters, a journal of the American Geophysical Union.

E. coli cells will be genetically engineered to change color in response to conditions under study: carbon dioxide levels, atmospheric pollutants and pathogens, for example.

In a 2014 study using Spitzer, scientists found that brown dwarfs commonly have atmospheric storms.

«The atmospheric winds of brown dwarfs seem to be more like Jupiter's familiar regular pattern of belts and zones than the chaotic atmospheric boiling seen on the Sun and many other stars,» said study co-author Mark Marley at NASA's Ames Research Center in California's Silicon Valley.

Two new studies look far back in geologic time to determine how sensitive the global climate is to atmospheric CO2 levels

«I don't think many studies have realized this yet: Black carbon impacts global warming in at least four different ways,» said V. Ramanathan, an atmospheric scientist at the Scripps Institution of Oceanography.

«Our results indicate that atmospheric escape may play an important role in the evolution of these planets,» summarises Julien de Wit, from MIT, USA, co-author of the study.

«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.

This paper «is timely and an important step forward in understanding changes in the global methane budget,» says Isobel Simpson, an atmospheric chemist at the University of California, Irvine, who was not involved in the study.

In the new study, co-author Katrina Virts, an atmospheric scientist at NASA Marshall Space Flight Center in Huntsville, Alabama, was analyzing data from the World Wide Lightning Location Network, a network of sensors that locates lightning strokes all over the globe, when she noticed a nearly straight line of lightning strokes across the Indian OceaIn the new study, co-author Katrina Virts, an atmospheric scientist at NASA Marshall Space Flight Center in Huntsville, Alabama, was analyzing data from the World Wide Lightning Location Network, a network of sensors that locates lightning strokes all over the globe, when she noticed a nearly straight line of lightning strokes across the Indian Oceain Huntsville, Alabama, was analyzing data from the World Wide Lightning Location Network, a network of sensors that locates lightning strokes all over the globe, when she noticed a nearly straight line of lightning strokes across the Indian Ocean.

The study shows, with 90 percent confidence, that such extreme summers in Australia are five times more likely due to an increase in greenhouse gases, said paper co-author David Karoly, an atmospheric scientist at the University of Melbourne and the Australian Research Council Center of Excellence for Climate System Science.

«Given that atmospheric rivers over the Atlantic and Pacific oceans appear as coherent filaments of water vapor lasting for up to a week, and that Lagrangian coherent structures have turned out to explain the formation of other geophysical flows, we wondered whether Lagrangian coherent structures might somehow play a role in the formation of atmospheric rivers,» said study coauthor Vicente Perez - Munuzuri, a physicist at the University of Santiago de Compostela in Spain.

University of Georgia geography and atmospheric sciences researchers provide the first detailed climatological analysis of Southeastern atmospheric rivers in a new study published in the International Journal of Climatology.

Knowing what to look for Previous studies investigating heat wave prediction have looked for patterns in the tropics, but this research was interesting because the predictive factor is an atmospheric phenomenon that occurs in the middle latitudes, Schubert said.

A new long - term field study shows that plants grow less under elevated carbon conditions owing to limitations in soil nutrients — bad news as atmospheric CO2 increases

These categories describe two low - probability but statistically significant scenarios that could play out by century's end, in a new study by Veerabhadran Ramanathan, a distinguished professor of climate and atmospheric sciences at Scripps Institution of Oceanography at the University of California San Diego, and his former Scripps graduate student Yangyang Xu, now an assistant professor at Texas A&M University.

A curious detail also shown by the study is a reduction in atmospheric pollution from lead during the last few decades, which, as Lozano concludes, «suggests that the global measures taken to reduce lead emissions, such as the use of lead - free gasoline, have helped to reduce the levels of this metal in the atmosphere.»

In the samples studied by the scientists, there are also high levels of atmospheric contamination from lead during the Roman Empire, when large quantities of this metal were extracted in the south of the Iberian Peninsula, as well as during the past 300 years, coinciding with the Industrial Revolution and the reactivation of mining activity in southern SpaiIn the samples studied by the scientists, there are also high levels of atmospheric contamination from lead during the Roman Empire, when large quantities of this metal were extracted in the south of the Iberian Peninsula, as well as during the past 300 years, coinciding with the Industrial Revolution and the reactivation of mining activity in southern Spaiin the south of the Iberian Peninsula, as well as during the past 300 years, coinciding with the Industrial Revolution and the reactivation of mining activity in southern Spaiin southern Spain.

Yoav Yair of the Open University in Ra'anana, Israel, and colleagues spent more than a year analysing the video, which was originally taken to study atmospheric dust.

Saikawa, a specialist in atmospheric chemistry, is also studying levels of black carbon emissions in the outdoor environment generated by the burning of biomass fuels like yak dung.

«Ice cores only tell you about temperatures in Antarctica,» Shakun notes of previous studies that relied exclusively on an ice core from Antarctica that records atmospheric conditions over the last 800,000 years.

The seven - day rainfall total from Harvey was as much as 40 percent higher than rainfall from a similar storm would have been decades ago, before human activity caused atmospheric carbon dioxide levels to spike, according to a study published yesterday in Geophysical Research Letters.

Ronald Cohen, an atmospheric scientist at the University of California, Berkeley who was not part of the research, calls the new study «provocative,» and says it shows agricultural fertilizer contributes a significant fraction of total NOx emissions in California.