Sentences with phrase «observation and modelling at»

With the freeze season already substantially delayed, there will be knock - on effects for next year's melt season, notes Prof Julienne Stroeve, professor of polar observation and modelling at University College London and senior research scientist at the NSIDC.

Answering this question requires observations and modeling at a wide range of scales from the microbial - to the global - scale.

Not exact matches

The strongest research methods for psychological studies are: qualitative findings versus quantitative; experimental rather than descriptive or correlational; controlled - experiment, meta - analysis, and observation designs over archival, case study, computational modeling, content analysis, field experiment, interview, neuroimaging, quasi experiment, self - report inventory, random sample survey, or twin study; and prospective (where subjects are recruited prior to the proposed independent effects being administered) and longitudinal (where subjects are studied at multiple time points) rather than retrospective or cross-section study.

Mausumi Dikpati and her colleagues at the National Center for Atmospheric Research in Boulder, Colo., used new observations of the sun's interior and new computer simulations to model the flow of plasma, or electrically charged gas, that carry the sunspots like a conveyor belt until they become powerful enough to burst free and erupt on the sun's surface.

The model matches the observations of slow - moving nebulae by Romanowsky's team, Dekel says, because telescopes would see most of the nebulae at the farthest and slowest points of their long orbits.

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).

What he found was that not only were the simulations much closer to actual observations, but the high - resolution models were far better at reproducing intense storms, such as hurricanes and cyclones.

With the new model, the simulations at last matched observations from IRIS and the Swedish Solar Telescope; spicules occurred naturally and frequently.

«Numerical models and observations go hand in hand in our research,» said Bart De Pontieu, an author of the study and IRIS science lead at Lockheed Martin Solar and Astrophysics Laboratory, in Palo Alto, California.

«Most climate models that incorporate vegetation are built on short - term observations, for example of photosynthesis, but they are used to predict long - term events,» said Bond - Lamberty, who works at the Joint Global Change Research Institute, a collaboration between PNNL and the University of Maryland in College Park, Md. «We need to understand forests in the long term, but forests change slowly and researchers don't live that long.»

Based on the observations, Sahai and his colleagues Mark Morris of the University of California, Los Angeles, and Samantha Scibelli of the State University of New York at Stony Brook developed a model of a companion star with an accretion disk to explain the ejection process.

«It's also possible to determine how many variables we should include in a mathematical model whose aim is to reproduce the observations and to predict the evolution of the system at hand.»

Eri Saikawa, who studies air pollution and its health impacts at Emory University, and wasn't involved in the new study, plans to use Wiedinmyer's data in a model to see how it matches observations in China and Southeast Asia, and to see how trash burning might be contributing to the substantial amounts of air pollution there.

For the study, Mahony and co-author Alex Cannon from Environment and Climate Change Canada looked at historical observations going back to 1901 and global climate model projections to the year 2100.

The VPL is based at the University of Washington, and comprises researchers at 20 institutions working to understand how telescopic observations and modeling studies can determine if exoplanets are able to support life, or had life in the past.

Based on earlier observations and modeling by Falke and a team of graduate students and faculty at CSU, the Arikaree River in eastern Colorado, which is fed by the aquifer and used to flow about 70 miles, will dry up to about one - half mile by 2045.

«There are models that predict that [nickel - 48] has such a short lifetime that we should not have been able to see it, and other models agree with our observations because they predict that it lives at least a few microseconds.»

My view, and that of my colleagues at Chicago, Brian Fields and Craig Copi, is that the quality of the latest observations places strict constraints on all cosmological models and requires any new cosmological model to be as precise as the big bang model itself.

«Given our observations and modelling, we infer that P / 2013 P5 might be losing dust as it rotates at high speed,» says Agarwal.

There are many other atmospheric observations and models we need to look at to see how this entire process works.»

Your statement that «Thus it is natural to look at the real world and see whether there is evidence that it behaves in the same way (and it appears to, since model hindcasts of past changes match observations very well)» seems to indicate that you think there will be no changes in ocean circulation or land use trends, nor any subsequent changes in cloud responses thereto or other atmospheric circulation.

At this school, we will review physical models for cloud formation in Solar System planets, exoplanet observations, and laboratory studies.

Thus it is natural to look at the real world and see whether there is evidence that it behaves in the same way (and it appears to, since model hindcasts of past changes match observations very well).

«We built several models of equal quality from the photometric data, but we favored a model made of two lobes since some of the best adaptive optics observations suggest that the Trojan asteroid has a dual structure,» said Josef Durech, co-author and researcher at the Charles University in Prague.

Ongoing radio observations (SMA, JCMT, VLA) of Sirius A are being used to set an observationally determined standard for stellar atmosphere modeling and debris disk studies around A stars, as well as to take the first step toward characterizing potential intrinsic uncertainty in stellar emission at these wavelengths.

After a general trashing of various things including surface observations and climate models, he admitted that his prediction for the globally - averaged warming (of ~ 1.5 C by 2100) is within the IPCC range... albeit at the low end.

Observations of gravitational lensing at that time already hinted the presence of dark energy, but both due to the small sample size and large uncertainty in the theoretical modeling of lensing rates the result was not widely accepted.

The discovery was that Procyon, one of the most studied stars, shows no pulsations at all, which contradicts 20 years of ideas and observations, and forced astronomers to rethink their models for stars.

ALMA observations by a team of astronomers led by Nadia Murillo and Shih - Ping Lai have found the youngest disk around a protostar to date, at an earlier stage than predicted by most models.

Most of the focus has been on the global mean temperature trend in the models and observations (it would certainly be worthwhile to look at some more subtle metrics — rainfall, latitudinal temperature gradients, Hadley circulation etc. but that's beyond the scope of this post).

Loeb (2012) takes an updated look at the issue and finds that, using observations rather than modeled estimates, the Earth's energy imbalance is consistent with heat building up with the Earth system.

Given the very rapid warming of the Arctic, I'd like to see a multinational «war room» for models, observation, and a database of solutions, or at least ways for humans and other creatures to adapt.

Professor of Economics and Research Chair in Energy, Ecology and Prosperity at the Frontier Centre for Public Policy Dr. Ross McKitrick discusses the wide disparities between the expected results of climate models and real - life observations, during an in - depth interview for The New Criterion by Ben Weingarten

This progress report details the status of these interrelated enhancements and the Large - Eddy Simulation (LES) ARM Symbiotic Simulation and Observation Workflow model implementation project (now midway through its two - year duration) at the Southern Great Plains site that is designed to bridge the scale gap between high - resolution ARM observations and large - scale climate models.

In particular, better computer power [is needed] because we do have some observations and some process understanding, but they happen at very fine spatial and temporal scales, and that's the hardest thing to model because it takes an enormous amount of computer power.

This method tries to maximize using pure observations to find the temperature change and the forcing (you might need a model to constrain some of the forcings, but there's a lot of uncertainty about how the surface and atmospheric albedo changed during glacial times... a lot of studies only look at dust and not other aerosols, there is a lot of uncertainty about vegetation change, etc).

The reconfiguration strategy included high - resolution enhancements at its Southern Great Plains (SGP) site and upgrades at its North Slope of Alaska (NSA) site that will yield additional observations to support modeling and process studies.

When combined with previous observations, new research with the Heterodyne Instrument for Planetary Wind And Composition (HIPWAC) joined to the large aperture of the Subaru telescope supports the model that Titan has currents or jet streams at high latitudes racing through its upper atmosphere (stratosphere) at speeds of approximately 756 km / hour (470 miles / hr.).

The ARM Aerosol Measurement Science Group (AMSG) coordinates ARM Climate Research Facility observations of aerosols and atmospheric trace gases with user needs to ensure advanced, well - characterized observational measurements and data products — at the spatial and temporal scales necessary — for improving climate science and model forecasts.

The photodetector array camera and spectrometer (PACS) aboard the Herschel Space Observatory allows imaging observations in the far infrared at unprecedented resolution, i.e. at better than 6» to 12» over the wavelength range of 60 -LCB- \ mu -RCB- m to 210 -LCB- \ mu -RCB- m. Together with the results from ground - based observations, these spatially resolved data can be modelled to determine the nature of the debris and its evolution more reliably than would be possible from unresolved data alone.

Space research at our institute is conducted within two Research Programmes: planetary research and numerical modelling in Earth Observation, and ground - based observations and space weather applications in Arctic Research.

«We are still very uncertain as to the modes of black - hole formation and growth in the early Universe... so we do not have a leading model for this observation to pose problems to,» Chris Willott, an astronomer at the Canadian Astronomy Data Centre in Victoria, reportedly said.

«We succeeded in resolving the puzzle of apparently contradicting observations and in offering a predictive model accounting for materials and conditions,» said Ilia Valov, principle investigator at the Electronic Materials Research Centre Jülich.

Excluding participants who reported a doctor diagnosis of depression at each baseline strengthened the association (Model 4 for CMD after 5 years, Person observations = 10944; highest vs. lowest tertile OR; 1.25; 95 % CI 1.03, 1.50; P for trend = 0.02, Supplementary Table S2) and exclusion of person observations with extremely high sugar intakes did not affect the results.

The CCRP model really builds on this and was borne out of the school collaboratively looking at different observation models with staff.

«TORSH Talent's video - based observation and feedback platform was selected by the PAC program through a competitive bid process as a means of enabling the state of MA to quickly and efficiently scale its peer coaching model across the state at a reasonable cost.

And per our focus this week at Publishing Perspectives, we also are looking at literary agencies and their company practices; at experiments in new models; and at observations and reactions to those experimenAnd per our focus this week at Publishing Perspectives, we also are looking at literary agencies and their company practices; at experiments in new models; and at observations and reactions to those experimenand their company practices; at experiments in new models; and at observations and reactions to those experimenand at observations and reactions to those experimenand reactions to those experiments.

After a general trashing of various things including surface observations and climate models, he admitted that his prediction for the globally - averaged warming (of ~ 1.5 C by 2100) is within the IPCC range... albeit at the low end.

You can also account for possible errors in the amplitudes of the external forcing and the model response by scaling the signal patterns to best match the observations without influencing the attribution from fingerprinting methods, and this provides a more robust framework for attributing signals than simply looking at the time history of global temperature in models and obs and seeing if they match up or not.

BVP simulations do not have such a dependence and have stable statistics regardless of how they are initialised (at least for IC perturbations within the range of actual observations and for the class of model that was used for AR4).