Sentences with phrase «on a computer model used»

The study, based on a computer model used to simulate rainfall under different land - use conditions, found that cutting down tropical forests in West Africa reduces precipitation over neighboring forest areas by about 50 percent due to increased temperatures over cropland areas.

Not exact matches

Initially, he thought he'd build the company with a business - to - business model, partnering with jewelry retailers who would offer their customers the opportunity to customize jewelry using Lauzon's proprietary software loaded on an in - store computer.

The firm, a so - called quantitative hedge fund that uses computer models to drive trading, is shuttering the eight - year old, $ 1 billion portfolio at the end of the month, according to a letter sent to investors on Tuesday and read to Reuters.

In Chicago, the Park District will use a new high - tech system that uses computer software to give real - time predictions of bacteria counts based on such factors as water temperature, modeling of the lake bottom and wave action monitored by buoys.

Second, the level was determined using a plastic, liquid filled, computer model based on a 220 - pound mannequin, not a child, an infant or a fetus.

They designed the puzzles through sketches, made models out of clay on computer and then created the octopus enrichment tools using a 3 - D printer.

Using a special computer model, researchers from China, France, Italy, and the United Kingdom said on Thursday they now understand how it works.

He delivered a riveting talk on how the Republicans took over in 2010 by using computer modeling to gerrymander and steal elections.

Those results, Lukin and colleagues said, could shed light on complex quantum mechanical phenomena that are all but impossible to model using conventional computers.

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.

The surface of a mountain can be modeled on a computer by using a fractal: Start with a triangle in 3D space and connect the central points of each side by line segments, resulting in 4 triangles.

Using a computer model based on direct brain recordings from epilepsy patients, they are the first to show the existence of a network of neural regions that can push or pull on the synchronization of the regions directly involved in a seizure.

Those equation - based models were run first on paper and then on computers, and they are still used widely.

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.

Although meteorologists now rely heavily on computer models (numerical weather prediction), it is still relatively common to use techniques and conceptual models that were developed before computers were powerful enough to make predictions accurately or efficiently.

Smith and his former research assistant Andrew Mizrahi used a PNNL computer model, the Global Change Assessment Model, or GCAM, to evaluate the impact of reducing soot and methane emissions on Earth's climodel, the Global Change Assessment Model, or GCAM, to evaluate the impact of reducing soot and methane emissions on Earth's cliModel, or GCAM, to evaluate the impact of reducing soot and methane emissions on Earth's climate.

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.

In the study, the researchers used a 3D computer model of the atmosphere to determine the impact of VSLS on ozone and climate.

In a paper published in the journal Icarus, the researchers use state - of - the - art computer models to simulate the dynamics of comet impacts on the lunar soil.

In this study, the authors describe a computer model that can be used to calculate the probability that the presence of two Zika cases in a given area will lead to an epidemic, based on real - time simulations of all the counties in the state of Texas.

Using data from several sources on 162 terrestrial animals and plants unique (endemic) to the Albertine Rift, the researchers used ecological niche modeling (computer models) to determine the extent of habitat already lost due to agriculture, and to estimate the future loss of habitat as a result of climate change.

By reconstructing past global warming and the carbon cycle on Earth 56 million years ago, researchers from the Niels Bohr Institute among others have used computer modelling to estimate the potential perspective for future global warming, which could be even warmer than previously thought.

Many of us have become used to chucking out an old computer after moving on to a newer, sleeker model.

To predict which creatures are in danger of extinction, the teams used computer modeling and information from the Intergovernmental Panel on Climate Change to compare the way habitats look today with how they may be altered by climate change.

The tech giant is working on large - scale quantum computers, so has put an older, smaller model online for anyone to use

Matthew Huber, who uses computer models to examine climate dynamics at Purdue University in West Lafayette, Indiana, has his new students work on test projects to prove their skills before they move on to more advanced problems.

Using computer modeling to interpret images from NASA's Galileo satellite, Pappalardo and Barr demonstrated that acnelike markings on Europa's surface are probably bits of ice containing minerals such as chloride salts and sulfuric acid, which lower the melting point so the material can rise from deep below.

They relied on the same sort of high - tech computer models that aerospace engineers use to analyze stresses induced in aircraft parts during flight.

To use such a model, a sound engineer reconstructs a three - dimensional model of the room on a computer, giving details of all the materials used.

Cynthia Rosenzweig, a researcher based at Goddard, has been using crop - growth computer models to predict effects of carbon dioxide buildup and climate change on wheat, the most widely cultivated crop in the world.

«Being based on climate records, this approach avoids any biases that might affect the sophisticated computer models that are commonly used for understanding global warming.»

In the next five to 10 years, we'll eliminate much of animal toxicology and move on to smarter systems using computer algorithms and modeling,» he says.

Using this input, a sophisticated computer model developed at NASA's Goddard Space Flight Center, Greenbelt, Maryland, was used to determine which areas receive direct sunlight, how much solar radiation reaches the surface, and how the conditions change over the course of a year on Ceres.

A new study using an advanced computer model casts doubt on previously held theories about the Yellowstone supervolcano's origins, adding to the mystery of Yellowstone's formation.

The new findings, based on detailed computer simulations using the best available global circulation models, are described this week in the journal Science Advances, in a paper by MIT professor of environmental engineering Elfatih Eltahir, MIT Research Scientist Eun Soon Im, and Professor Jeremy Pal at Loyola Marymount University in Los Angeles.

A computer model based on these figures was used to estimate the space rock's orbital path.

The Grieneisen lab uses the reference plant Arabidopsis and computer models to focus on the misshapen misfits called pavement cells that make up the surface of plant leaves.

The pair used data on winter rainfall collected during the 1980s and climate - predicting computer models to extrapolate future rain - on - snow patterns across the Northern Hemisphere.

While his new study makes no use of the huge computer models commonly used by scientists to estimate the magnitude of future climate change, Lovejoy's findings effectively complement those of the International Panel on Climate Change (IPCC), he says.

After chronicling the different shifts of decomposers on the mice, and seeing the same shifts operating on the humans, the researchers built a computer model using the mouse data to see whether the microbial composition could be used to predict times of death, using the humans as a test case.

Noting that the timing of KD outbreaks in Japan coincides with certain wind patterns from Asia, climate scientist Xavier Rodó, PhD, and colleagues at the Catalan Institution for Research and Advanced Studies and the Catalan Institute of Climate Sciences, both in Barcelona, used computer models to simulate air currents and airborne particle transport for all days since 1977 with high numbers of KD cases in Japan, based on data compiled by Yoshikazu Nakamura, MD, and colleagues at Jichi Medical University in Japan.

The new findings of successful multi-year drought / fire predictions are based on a series of computer modeling experiments, using the state - of - the - art earth system model, the most detailed data on current ocean temperature and salinity conditions, and the climate responses to natural and human - linked radiative forcing.

As the researcher explains, when a player is assessed using the DEA technique, a mathematical model on the computer assigns each feature of play the significance most relevant to this player, bearing in mind the particular features of his play.

The algorithms, which tell computers how to learn from data, are used in computer models called artificial neural networks — webs of interconnected virtual neurons that transmit signals to their neighbors by switching on and off, or «firing.»

They have developed a set of tools that can be used to make accurate, rapid assessments of proposed materials, using a series of relatively simple lab tests combined with computer modeling of the physical properties of the material itself, as well as additional modeling based on a statistical method known as Bayesian inference.

On the other, «my additional concern is that the modeling of the large constellations of CubeSats is inadequate,» he adds, referring to computer simulations used to predict and analyze potential technical problems.

«Of course, we can not predict individual rainstorms in California and their local impacts months or seasons ahead, but we can use our climate computer model to determine whether on average the next year will have drier or wetter soils or more or less wildfires.

In research published this week in Astrophysical Journal Letters, Dr Zoe Leinhardt and colleagues from Bristol's School of Physics have completed computer simulations of the early stages of planet formation around the binary stars using a sophisticated model that calculates the effect of gravity and physical collisions on and between one million planetary building blocks.

With a quantum computer, APL researchers have now shown that these calculations can be done much faster and model much more complex objects than would be possible using even on the most powerful classical supercomputers.

And physicists are using computer modeling to close in on the neutrino's critical role in triggering the kind of supernovae that distribute essential elements like oxygen and nitrogen.