Sentences with phrase «model simulation used»

The hypothesis and the computer model simulation used to predict global climate has consistently failed.

Scientists conducted 1,000 model simulations using future weather variables to predict future reproductive parameters for this species.

To do this they used the same model simulations used in the Intergovernmental Panel on Climate Change's most recent report.

> The model simulations use observed forcings up until 2000 (or 2003 in a couple of cases) and > use a business - as - usual scenario subsequently (A1B).

Dr. Judith Curry notes «The most recent climate model simulations used in the AR5 indicate that the warming stagnation since 1998 is no longer consistent with model projections even at the 2 % confidence level» This means the hypothesis upon which these models have been built is wrong and should be abandoned.

Ensemble - A group of parallel model simulations used for climate projections.

Our proxy records are compared with climate model simulations using a coupled atmosphere - ocean general circulation model.

Figure 2.3: Observed global average changes (black line), model simulations using only changes in natural factors (solar and volcanic) in green, and model simulations with the addition of human - induced emissions (blue).

Wynant et al. showed a similar negative overall feedback with warming over all latitudes, based on model simulations using superparameterization to better simulate cloud behavior.

We identify human and natural contributions to the observed IPWP changes since the 1950s by comparing observations with climate model simulations using an optimal fingerprinting technique.

The CMIP5 collection of climate model simulations use observations up to 2005 and projected forcings thereafter.

Point two suggested an alternative between «This needs to be demonstrated either in the context of a more comprehensive scale analysis that includes the Navier Stokes equations» and «numerical model simulations using mesoscale or weather or climate models.»

In the rest of this analysis I deal with the question of to what extent the model simulations used by Shindell can be regarded as providing reliable information about how the real climate system responds to forcing from aerosols, ozone and other forcing components.

We also thank J. Arblaster and R. Tomas for updating the model simulations used here and A.S. Phillips for processing the model output.

Between 801 and 1800 ce, the surface cooling trend is qualitatively consistent with an independent synthesis of terrestrial temperature reconstructions, and with a sea surface temperature composite derived from an ensemble of climate model simulations using best estimates of past external radiative forcings.

Not exact matches

Jason Crusan, director of advanced exploration systems at NASA, says the space agency already uses virtual reality technology in astronaut training and spacecraft simulations, so it was logical to extend that successful model to inspire and educate the next generation of space explorers and scientists.

Some of Cross's clients use sophisticated simulation modeling to predict sales at different price levels, but his technique doesn't have to be rocket science.

If you can find a way to harness that power on a chip, this approach can be used to run a massive number of complicated simulations and models much quicker than we've ever been able to before.

This paper investigates the significance of the mix of monetary and fiscal policies for financial stability through counterfactual simulations of three key historical episodes, using the Bank's main policy model, ToTEM (Terms - of - Trade Economic Momodel, ToTEM (Terms - of - Trade Economic ModelModel).

Consistent with the applicable accounting standards, the grant date fair value of the market - related TSR component has been determined using a Monte Carlo simulation model.

The second additional piece of analysis is a simulation exercise using a small macro-econometric model of the economy developed by Economic Research Department.

Systems analysis, elaborate simulation techniques, automated access to central data banks, information theory, game Theory, and the use of socio - economic models, often mathematically stated, all aided and abetted by the computer, make possible a massive application of data not hitherto possible.

The original image was for the model that used the simulation for Cup matches.

Using its own economic simulation model, CEBR tested the knock - on effects of adding 1p to employers» NICs, paid by small and medium sized enterprises.

New York ranked third behind New Mexico and Tennessee when numbers from the report's simulation model are used instead.

Dr Ryan Hossaini of Lancaster University and colleagues use simulations with a global chemical transport model to examine the sensitivity of future stratospheric chlorine and ozone levels to sustained dichloromethane growth.

Working together, they will develop and test a variety of learning experiences in which students use online simulations to model energy - releasing and energy - requiring reactions, analyze and interpret data to make predictions about energy phenomena, and use evidence from their own observations or from simplified versions of scientific articles to explain phenomena and construct and critique arguments.

Using this detailed computer model, the LROC team ran simulations to see if they could reproduce the distortions seen on the Oct. 13 image and determine the size of the meteoroid that hit the camera.

A model can be displayed visually as a two - dimensional image through a process called 3D rendering, or used in non-graphical computer simulations and calculations.

By using theoretical simulations, the researchers were able to model states of superionic ice that would be difficult to study experimentally.

«A network of artificial neurons learns to use human language: A computer simulation of a cognitive model entirely made up of artificial neurons learns to communicate through dialogue starting from a state of tabula rasa.»

Sak - Saracino showed that using a simulation model makes it possible to uncover morphological changes in iron - nickel crystals occurring as the temperature radically changes.

When scientists use climate models for attribution studies, they first run simulations with estimates of only «natural» climate influences over the past 100 years, such as changes in solar output and major volcanic eruptions.

The researchers created a model and tested it using a computer - based simulation with part - time MBA students who work as managers in companies.

They used this novel simulation approach to build a model of a sperm cell that demonstrates cellular movement from individual dynein protein molecules in the tail all the way up to the whole cell, allowing them to observe how changes at the atomic level are reflected in larger - scale structures.

Only now, instead of following fixed story lines and predictions assembled ahead of time, they are using computers to play what - if with an entire artificial society: an advanced type of computer simulation called an agent - based model.

Blocken has carried out computer simulations and wind tunnel measurements using models of a time trial rider and team car.

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.

This critical question is addressed using simulations from climate models based on projections of future emissions of greenhouse gases and aerosols.

Using computer simulations, they modeled the response of the plasma confined in loops to the energy transported by energetic electrons.

A paper on the numerical model, titled «Snowflake melting simulation using smoothed particle hydrodynamics,» recently appeared in the Journal of Geophysical Research — Atmospheres.

* Correction, 20 February, 9:45 a.m.: This article has been updated to correct amount of temperature drop and rainfall increase, the years of the simulations, the number of WRCP models used, and results of the control simulations.

Instead of having to track all the movements of every particle in the disk using complicated computer models (so - called N - body simulations), the disk can be treated as a kind of smooth sheet that evolves over time and oscillates like a drumskin.

Dikpati used computer simulations to model the gargantuan rivers of plasma that flow across the sun's surface.

To see whether this increase in crops has influenced the region's unusual weather, researchers at the Massachusetts Institute of Technology in Cambridge used computers to model five different 30 - year climate simulations, based on data from 1982 to 2011.

Next, Dekker and the team, led by Leonid Mirny, PhD, associate professor at the Massachusetts Institute of Technology, developed sophisticated computer simulations using polymer models of the DNA molecule for the two competing theories for mitotic chromosome organization.

«By performing these 3 - D simulations, we provided a huge data set that can be used to improve the accuracy of existing 2 - D and 1 - D flood models,» Constantinescu said.

By means of building simulations and advanced calculation models, the researchers came to the conclusion that using plenty of energy is both an economic and an environmental advantage, while it is also inexpensive and green.

For this purpose, they use the projective simulation model for artificial intelligence, developed by the group, to enable a machine to learn and act creatively.

Therefore, they used the projective simulation model to investigate the potential of artificial learning agents in this test - bed.