Sentences with phrase «ocean and atmosphere say»

Most experts deeply probing the Arctic ice, ocean and atmosphere say that the particularly striking ice changes of late probably can be traced to a significant dose of natural variability as well as a contribution from heat trapped by the atmosphere's building greenhouse - gas blanket.
As the Joint Institute for the Study of the Oceans and the Atmosphere says, from â a societal impacts perspective, recognition of PDO is important because it shows that «normal» climate conditions can vary over time periods comparable to the length of a human's lifetime.â

Not exact matches

Perhaps the only person who can say «been there, done that» about both an airline and a railroad, Branson is now working his way through a to - do list that includes ferrying people into space (Virgin Galactic), traveling to the deepest parts of the world's five oceans (Virgin Oceanic), and ridding the atmosphere of 25 gigatons of carbon (the Carbon War Room).
Taalas said that CO2 remained in the atmosphere for hundreds of years and in oceans for even longer.
«The widespread loss of Antarctic ice shelves, driven by a warming ocean or warming atmosphere, could spell disaster for our coastlines — and there is sound geological evidence that supports what the models are telling us,» said Robert M. DeConto of the University of Massachusetts Amherst, a co-author of the study and one of the developers of the ice - sheet model used.
«For example, [measuring] chlorophyll a will give you information about how much biological activity is going on, and eventually more information about the concentration of carbon dioxide within the ocean and the atmospheresaid Yoshihisa Shirayama, executive director of research at the Japan Agency for Marine - Earth Science and Technology in Tokyo.
Co-author Hayley Hung, a scientist with Environment Canada's Air Quality Division who studies toxic organic pollutants in the Arctic, said that in recent years, researchers had posited that warmer conditions would liberate POPs stored in land, ice and ocean reservoirs back into the atmosphere.
A release point in the Southern Ocean «When that happens, Meckler said, «you automatically generate communication between the deep ocean and the atmospOcean «When that happens, Meckler said, «you automatically generate communication between the deep ocean and the atmospocean and the atmosphere.
«If humans change the atmosphere and oceans to the detriment of other species,» Kevin Raskoff says, «and we find that jellies are filling in, we will have no one to blame but ourselves.
However, the Clark School researchers say blue whirls could improve remediation - by - combustion approaches by burning the oil layer with increased efficiency, reducing harmful emissions into the atmosphere around it and the ocean beneath it.
«I never considered that weather events tens of kilometers high in the atmosphere significantly influence the decadal - to century - scale circulation kilometers deep into the oceansays climatologist Judah Cohen of Atmospheric and Environmental Research in Lexington, Massachusetts, who did not take part in this study.
Climate — the interplay among land, ocean and atmosphere — has a long memory, Marcott says.
That region, he says, is susceptible to even small amounts of warming and cooling from the atmosphereand how cold the water gets influences how much or how little it sinks, thereby driving or delaying, respectively, the ocean conveyer belt.
Species that live in these regions, such as krill and salmon, play a critical role in supporting global marine ecosystems, said Kathryn Sullivan, the Under Secretary of Commerce for Oceans and Atmosphere and NOAA's Administrator.
«There was relatively more carbon dioxide emitted from the deep ocean and released to the atmosphere as the climate warmed,» Jaccard says.
Bowen says the two relatively rapid carbon releases (about 1,500 years each) are more consistent with warming oceans or an undersea landslide triggering the melting of frozen methane on the seafloor and large emissions to the atmosphere, where it became carbon dioxide within decades.
«Today, we are facing rising carbon dioxide contents in the atmosphere through human activities, and the amount of oxygen in the ocean may drop correspondingly in the face of rising seawater temperatures,» Lyons said.
«In studying one of the most dramatic episodes of global change since the end of the age of the dinosaurs, these scientists show that we are currently in uncharted territory in the rate carbon is being released into the atmosphere and oceanssays Candace Major, program director in the National Science Foundation (NSF)'s Division of Ocean Sciences, which funded the research.
That's greater than the warming rate of either the ocean or the atmosphere, and it can have profound effects, the scientists say.
«We argue that it was the establishment of the modern deep ocean circulation — the ocean conveyor — about 2.7 million years ago, and not a major change in carbon dioxide concentration in the atmosphere that triggered an expansion of the ice sheets in the northern hemisphere,» says Stella Woodard, lead author and a post-doctoral researcher in the Department of Marine and Coastal Sciences.
«We're trying to understand how what we're doing to the Earth's atmosphere and oceans will play out in the future,» says Bette Otto - Bliesner, who runs a full - complexity climate model — and its 1.5 million lines of code — through a supercomputer named Yellowstone at the National Center for Atmospheric Research in Boulder.
Gross says that the most important processes affecting day length are changes in the weather, especially unusual variations in the strength and direction of the winds, which bring on alterations in the global circulation of the atmosphere and ocean.
«While it has long been suggested that the PETM was caused by injection of carbon into the atmosphere and ocean, the mechanism has remained elusive until now,» Ridgwell said.
Cantwell said that the science underway at DOE will be critical to understanding the impacts of the rising greenhouse - gas levels in the atmosphere — from Arctic sea - ice melt to ocean acidification — and maintaining US leadership in clean - energy technologies.
«We have toxic algae events that result in shellfish closures off the Washington and Oregon coast every three to five years or so, but none of them have been as large as this one,» said lead author Ryan McCabe, a research scientist at the UW's Joint Institute for the Study of the Atmosphere and Ocean, a collaborative center with NOAA.
«The atmosphere and the ocean are both complex dynamical systems,» he says, noting that computers are still not up to the task of handling them both at the same time.
«While advances in science and technology and improved safety practices have significantly reduced the threat of oil spills in Canadian waters over the past few decades, much about the fate, environmental impacts and remediation of oil spills remain poorly understood,» said Kenneth Lee, the director of Oceans and Atmosphere, Commonwealth Scientific and Industrial Research Organization, Perth, Western Australia and chair of the seven - member panel.
«While the detection of greening is based on data, the attribution to various drivers is based on models,» said co-author Josep Canadell of the Oceans and Atmosphere Division in the Commonwealth Scientific and Industrial Research Organisation in Canberra, Australia.
«Because the ocean is in contact with the atmosphere, there's heat exchange between the atmosphere and the surface ocean,» he said.
Although the atmosphere seems invisible and gaseous, it's a more apt description to say we're surrounded by an ocean of air that acts more like a fluid.
«The tropical Pacific ocean - atmosphere system has been called a sleeping dragon because of how it can influence climate elsewhere,» said lead author Aradhna Tripati, a UCLA assistant professor in the departments of Earth, planetary and space sciences, and atmospheric and oceanic sciences.
«There is a growing body of data that points to oxygen production and accumulation in the ocean and atmosphere long before the GOE,» said Timothy W. Lyons, a professor of biogeochemistry in the Department of Earth Sciences and the lead author of the comprehensive synthesis of more than a decade's worth of study within and outside his research group.
«This period of extended low oxygen spanning from roughly 2 to less than 1 billion years ago was a time of remarkable chemical stability in the ocean and atmosphere,» Lyons said.
Study co-author Katy Sheen, a Postdoctoral Research Fellow from Ocean and Earth Science at the University of Southampton, says: «These findings will help us to understand the processes that drive the ocean circulation and mixing so that we can better predict how our Earth system will respond to the increased levels of carbon dioxide that we have released into the atmosphere.&rOcean and Earth Science at the University of Southampton, says: «These findings will help us to understand the processes that drive the ocean circulation and mixing so that we can better predict how our Earth system will respond to the increased levels of carbon dioxide that we have released into the atmosphere.&rocean circulation and mixing so that we can better predict how our Earth system will respond to the increased levels of carbon dioxide that we have released into the atmosphere
This approach, Follows says, oversimplifies the processes taking place in the ocean that may ultimately contribute to how carbon moves through the oceans and atmosphere.
Zehner says that the agency plans to build and launch at least five «sentinel» satellites to monitor not only trace gases that indicate pollution in the atmosphere, but also the surface temperature of the oceans, the movement of ice and the shifting of land masses.
, chairwoman of the Oceans, Atmosphere, Fisheries and Coast Guard Subcommittee, said the senator had not seen NOAA's evaluation of the bill and could not comment.
«From what we know, Mars did have life and oceans and a thick atmospheresays NASA planetary scientist Christopher McKay.
Our goal was to fingerprint the source of methane in the Arctic Ocean to determine if ancient methane was being liberated from the seafloor and if it survives to be emitted to the atmospheresays Sparrow, who conducted the study, published in Science Advances, as part of her doctoral research at the University of Rochester.
Temperatures last year broke a 2015 record by almost 0.2 C (0.36 F), Copernicus said, boosted by a build - up of greenhouse gases in the atmosphere and by a natural El Nino weather event in the Pacific Ocean, which releases heat to the atmosphere.
«Our findings make alternative theories for the origin of the atmosphere and oceans equally plausible, such as icy comets or meteorites bringing water to Earth,» said Dr Kendrick from the ANU Research School of Earth Sciences.
But the models also suggest that the scheme could go too far: Adding excess sulfur could increase ice in Antarctica, «overcompensating» for warming, says Rasch, which could affect ecosystems and the global ocean - atmosphere system in a myriad of ways that scientists haven't studied.
«Of the carbon dioxide human beings put into the atmosphere from the burning of fossil fuels and deforestation,» Berry says, «roughly a third remains in the atmosphere, a third goes into terrestrial ecosystems, and a third goes into the ocean
«Once the ocean - atmosphere system was isolated, we could systematically probe how changes in the seawater due to biological activity affect the composition and climate properties of the sea spray aerosol,» said Prather, a professor in the Department of Chemistry and Biochemistry who holds a joint appointment at Scripps Institution of Oceanography.
«The model we developed and applied couples biospheric feedbacks from oceans, atmosphere, and land with human activities, such as fossil fuel emissions, agriculture, and land use, which eliminates important sources of uncertainty from projected climate outcomes,» said Thornton, leader of the Terrestrial Systems Modeling group in ORNL's Environmental Sciences Division and deputy director of ORNL's Climate Change Science Institute.
«If this conclusion is confirmed by future observations, it would mean that the coastal ocean will become more and more efficient at removing carbon dioxide from the atmospheresaid Goulven Lurallue, the paper's lead author and a researcher with Université Libre de Bruxelles in Belgium.
«Loss of oxygen in the ocean is one of the serious side effects of a warming atmosphere, and a major threat to marine life,» said NCAR scientist Matthew Long, lead author of the study.
«If all of the Earth's water is on the surface, that gives us one interpretation of the water cycle, where we can think of water cycling from oceans into the atmosphere and into the groundwater over millions of years,» she said.
In spring, she said, it is harder for the ocean and atmosphere «to essentially see each other.»
«People who try to predict the circulation of ocean currents and the atmosphere have to know how energies mix — in this case, the heat energy and heat flux,» Hou said.
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