Sentences with phrase «atmospheric scientists study»

This new data collection tool will help both ocean and atmospheric scientists study exactly how cyclones and storms affect ocean processes.

A trip to Iceland and a flight over the Sahara Desert help an atmospheric scientist study dust particles that seed clouds

Not exact matches

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

KATHARINE HAYHOE is an atmospheric scientist at Texas Tech University, where she studies climate modeling and the regional impacts of global warming.

It helps lay a foundation that scientists can apply to make predictions about what would allow life to alter exoplanets» atmospheres, and may inspire deeper studies, here on Earth, of how oceanic - atmospheric chemistry drives climate instability and influences the rise and fall of life through the ages.

It is more than half a world of circumnavigation away,» said Ryan Spackman, a NOAA atmospheric scientist familiar with the study.

Previously, scientists had relied on these sorts of soil sample measurements primarily to study plant types and atmospheric carbon dioxide levels.

«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.

«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.

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).

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 rapidly.

One breakthrough occurred when atmospheric scientist Anthony Delgenio of NASA's Goddard Institute for Space Studies noticed that storms coincided with electrostatic discharges.

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.

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

This global biological recordbased on daily observations of ocean algae and land plants from NASAs Sea - viewing Wide Field - of - View Sensor (SeaWiFS) missionwill enable scientists to study the fate of atmospheric carbon, terrestrial plant productivity and the health of the oceans food web.

«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.

«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.

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 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.

And while the scientists who conducted the study are still investigating the atmospheric mechanisms behind this change, the trend seems consistent with a warming climate.

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 Spain.

The takeaway is that if humanity stopped cranking out greenhouse gases immediately, sea levels would still rise for centuries before the heat dissipates through Earth's atmosphere and into space, says study co-author Susan Solomon, an atmospheric scientist at MIT.

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.

During the early 2000s, environmental scientists studying methane emissions noticed something unexpected: the global concentrations of atmospheric methane (CH4)-- which had increased for decades, driven by methane emissions from fossil fuels and agriculture — inexplicably leveled off.

Studying clouds and aerosols won't just help scientists study the climate, it's also a chance to investigate air quality and how atmospheric particles affect daily life.

Storms also a question mark The attribution studies also looked into storms and rainfall extremes, but the complexity of atmospheric processes during such events made it difficult for scientists to decipher the role of climate change.

The National Science Foundation - funded study appears in the journal Proceedings of the National Academy of Sciences 45 years after atmospheric scientists Mikhail Budyko and William Sellers hypothesized that the Arctic would amplify global warming as sea ice melted.

«We're trying to figure out how to deal with the greenhouse gas problem» says Sarah Doherty, an atmospheric scientist at the University of Washington in Seattle and co-author of the study.

The study makes a good case for paying more attention to soot, says atmospheric scientist Donald Wuebbles of the University of Illinois, Urbana - Champagne.

But a 2001 study led by atmospheric scientist Mark Jacobson of Stanford University in California suggested that if soot is coated with other pollutants, such as sulfuric acid, its effect could be drastically greater.

«If we want natural gas to be the cleanest fossil fuel source, methane emissions have to be reduced,» says Gabrielle Pétron, an atmospheric scientist at NOAA and at the University of Colorado in Boulder, and first author on the study, currently in press at the Journal of Geophysical Research.

That's the conclusion of a team of scientists using a new approach to study tiny atmospheric particles called aerosols that can influence climate by absorbing or reflecting sunlight and seeding clouds.

But the «satellites were not set up to monitor clouds,» says Joel Norris, an atmospheric scientist also at Scripps and lead author on the new study.

In a study set to come out in Nature tomorrow, an international group of scientists reports that they simulated atmospheric behavior using several different models and used them to forecast anthropogenically driven changes in average annual rainfall at different latitudes from 1925 to 1999.

... It's very intriguing,» says Robert Oglesby, an earth and atmospheric scientist at the University of Nebraska, Lincoln, who wasn't involved in the new study.

The finding was provocative but there had been «lots of debates about whether it is genuine or merely an observational artifact,» says William Lau, an atmospheric scientist at the University of Maryland, College Park, who was not involved in the study.

In a study published today in Proceedings of the National Academy of Sciences, a team led by atmospheric scientists Logan Mitchell and John Lin report that suburban sprawl increases CO2 emissions more than similar population growth in a developed urban core.

The north Atlantic Ocean is globally important, as it is a sink for atmospheric carbon dioxide, said Eric Achterberg, chief scientist for the research cruise and lead author of the study.

A study published this year by Bradley Udall, senior water and climate research scientist with the Colorado Water Institute at Colorado State University, and Jonathan Overpeck, professor of hydrology and atmospheric sciences at the University of Arizona, found that during the drought years of 2000 - 2014, the river surrendered a third of its flow because of higher temperatures in the upper basin.

To remedy this, Sundar Christopher, an atmospheric scientist at the University of Alabama at Huntsville, compared satellite data with ground measurements in well - studied areas.

Oxford University atmospheric physicist Raymond Pierrehumbert, who is among the scientists who believe cutting methane should be less of a priority than cutting carbon dioxide to tackle climate change, said the study is useful in evaluating methane capture systems at landfills.

But some space scientists have long made use of arXiv, and a subset of the earth scientists who published in the journals of the European Geosciences Union (EGU) have already become accustomed to such openness, as EGU has posted studies online prior to review for more than 15 years, says Ulrich Pöschl, an atmospheric chemist at the Max Planck Institute for Chemistry in Mainz, Germany, who helped found the journals.

This mission is fulfilled by operating atmospheric observatories around the world that collect massive amounts of atmospheric measurements to provide data products that help scientists study the effects and interactions of clouds and aerosols and their impact on the earth's energy balance.

«In some regions, it is possible for average snowfall to decrease, but the snowfall extremes actually intensify,» study lead author Paul O'Gorman, an atmospheric scientist at the Massachusetts Institute of Technology (MIT), said in a news release.

The ISIS (In - Situ Iron Studies) Consortium is a group of institutions and scientists who are motivated to answer the unknowns regarding the role of iron in regulating the ocean's capacity to remove atmospheric carbon dioxide.

Scientists at the Department of Energy's Pacific Northwest National Laboratory are applying atmospheric science research capabilities to improve our understanding of long - term weather trends and better predict extreme weather events like these — and it all starts with studying clouds.

A team of scientists led by Pacific Northwest National Laboratory atmospheric researcher Dr. Susannah Burrows and collaborator Daniel McCoy, who studies clouds and climate at the University of Washington, reveal how tiny natural particles given off by marine organisms — airborne droplets and solid particles called aerosols — nearly double cloud droplet numbers in the summer, which boosts the amount of sunlight reflected back to space.

In one area of study, PNNL atmospheric scientists are getting a clearer picture of factors that control winter cloud patterns and western mountain snowpack.

With mentorship from PNNL atmospheric scientists, she is spending her time at PNNL studying climate dynamics, with an emphasis on the Polar Regions.