Sentences with phrase «studied in a simple model»

Research on the CREB gene emphasizes the reductionist approach, in which elements of the complex phenomenon of memory formation are reduced to mutations in a single gene and studied in a simple model system, the fruit fly Drosophila

Not exact matches

The straightforward study simply invited 39 adults to make art for 45 minutes in any way they pleased, using simple materials like markers, modeling clay and collage supplies.

In past studies, scientists using simple 1D models of Earth would have found that 16 high - voltage electrical transmission lines were disturbed in the mid-Atlantic region during the storm, resulting in the blackouIn past studies, scientists using simple 1D models of Earth would have found that 16 high - voltage electrical transmission lines were disturbed in the mid-Atlantic region during the storm, resulting in the blackouin the mid-Atlantic region during the storm, resulting in the blackouin the blackout.

By studying liquid plugs in simple glass tubes, he developed a mathematical model describing liquid transport process in each generation of the airway tree.

«Simple physics models are elegant and can explain a lot,» says study coauthor Dan Zitterbart, a physicist at Woods Hole Oceanographic Institution in Massachusetts.

In a recent study, Mathias Trachsel (Dept. of Biology, University of Bergen) and Atle Nesje (Dept. of Earth Science, University of Bergen and Uni Research Climate) used simple statistical models to assess and quantify the relative importance of summer temperature and winter precipitation for annual mass balances of eight Scandinavian glaciers.

For the study «Doubling of coastal erosion under rising sea level by mid-century in Hawaiʻi,» published this week in Natural Hazards, the research team developed a simple model to assess future erosion hazards under higher sea levels — taking into account historical changes of Hawaiʻi shorelines and the projected acceleration of sea level rise reported from the Intergovernmental Panel on Climate Change (IPCC).

According to study co-author Larry J. Young of Emory University, the results provide evidence in a comparatively simple animal model that changes in the activity of a single gene profoundly can change a fundamental social behavior of animals within a species.

The simple system that we describe in this paper provides a model that can be further manipulated experimentally for studying those early stages in the evolution of photosynthesis.»

The researchers applied a model known as a totally asymmetric simple exclusion process, commonly used to study interacting particles in physical, chemical and biological systems.

The motifs indicate that the study has uncovered a simple, basic principle that can be applied broadly in more complex models.

It's a simple model — for instance, it does not account for zoning restrictions or for the fact that some cities, such as London, emerged as polycentric entities hundreds of years ago when several smaller villages consolidated — but it is still a useful model for exploring polycentricity, says Michael Batty, an urban planner at University College London, who wasn't involved in the study.

George was interested in using a vertebrate model that was physiologically simpler than the mouse, so that he could study the development and function of the nervous system.

As one of the three initial cores established when the Buck Institute was founded, the Genomics Core has played a vital role in helping shape investigations in the basic molecular biology of aging, from assisting in the investigation of how specific drugs can extend lifespan in simple model organisms such as the nematode C. elegans, to facilitating studies in various animal models of age - related disease.

This study assesses the effect of a DIC - solution injection by using a simple two end - member model to simulate the variation of pH, DIC, total alkalinity (TA) and pCO2 between the river and sea mixing process for the Danshuei River estuary and Hoping River in Taiwan.

Still, we are not prepared, based on a single study and a simple path model, to discount the importance of the emotional side of leadership, which has been shown in studies in industry as well as education to have powerful effects on the way in which people engage with their work.

The Simple Rigor ® model of combining independent student learning and practice with teacher - led instruction is a good match for the flipped classroom, especially in the content areas like science and social studies.

Tiny little model airplane and chainsaw 2 - strokes are godawful studies in expediency: how light and simple can we make the engine and have it still run?

Wesley R. Gray, Ph.D., TurnkeyAnalyst & Empiritrage, @turnkeyanalyst & @empiritrage: Not any good books, but I had some students collect all the research studies looking at the performance of simple models versus experts in a variety of fields (medicine, politics, economics, finance, etc).

Some of them are optimal fingerprint detection studies (estimating the magnitude of fingerprints for different external forcing factors in observations, and determining how likely such patterns could have occurred in observations by chance, and how likely they could be confused with climate response to other influences, using a statistically optimal metric), some of them use simpler methods, such as comparisons between data and climate model simulations with and without greenhouse gas increases / anthropogenic forcing, and some are even based only on observations.

A simple diffusive ocean model would be more appropriate as has been shown by many studies of the mixing of tracers or of anthropogenic carbon dioxide in the ocean.

In fact, simple models go a very long way in explaining a lot of features in both weather and climate, and people who claim otherwise simply haven't studied the subjecIn fact, simple models go a very long way in explaining a lot of features in both weather and climate, and people who claim otherwise simply haven't studied the subjecin explaining a lot of features in both weather and climate, and people who claim otherwise simply haven't studied the subjecin both weather and climate, and people who claim otherwise simply haven't studied the subject.

Pimarily, I have done atmospheric models (relatively simple models for the outer planets and also some efforts using MODTRAN for atmospheric modeling in context of environmental studies).

In the figure below, Dr Gavin Schmidt, director of the NASA Goddard Institute for Space Studies, uses a simple statistical model to estimate what the global temperature record (black line) would be like in the absence of El Niño or La Niña influences (red lineIn the figure below, Dr Gavin Schmidt, director of the NASA Goddard Institute for Space Studies, uses a simple statistical model to estimate what the global temperature record (black line) would be like in the absence of El Niño or La Niña influences (red linein the absence of El Niño or La Niña influences (red line).

In part one, I wrote «In the simplest of terms, every study that has attributed the recent warming of the 1980s and 90s to rising CO2 has been based on the difference between their models» reconstruction of «natural climate change» with their models» output of «natural climate change plus CO2.»

The two instrumental studies with peculiar multi-peaked PDFs in Figure 9.20 used only rather simpler climate models, but IMO had other severe shortcomings, as is probably evident from the strange shapes of their PDFs.

Tom, The other studies featured in Figure 9.20 mainly use simpler climate models than AOGCMs — models in which climate sensitivity S can be adjusted to known values using a single parameter.

One recent modeling study indicates that the atmospheric circulation may respond abruptly to future anthropogenic climate change, at least in a simple climate model.

The numerical evidence for irreversible change to a year - round ice - free state was first discussed in studies with simple diffusive climate models (e.g., North, 1984, 1990).

There have been other studies using line - by - line radiative transfer models (see e.g., Myhre et al 1998) that come to the answer you give, which gives a simple approximation as ~ 5.35 ln (C / Co), where the units are now in W / m2 and C and Co are the final and initial CO2 concentrations.

Of course things are not as simple as this with many other factors such as nutrient supply, surface solar insolation and wind speed coming into play as can be seen in the model studies of Herb et al. (Journal of Hydrology (2008) 356, 327 — 343).

In our «rotating radiative convective equilibrium» simulations, a realistic model is simplified by removing land surfaces and spherical geometry, and by assuming that the underlying ocean temperatures are spatially uniform, providing a relatively simple system in which to study the formation and mature structure of hurricaneIn our «rotating radiative convective equilibrium» simulations, a realistic model is simplified by removing land surfaces and spherical geometry, and by assuming that the underlying ocean temperatures are spatially uniform, providing a relatively simple system in which to study the formation and mature structure of hurricanein which to study the formation and mature structure of hurricanes.

1950s: Research on military applications of radar and infrared radiation promotes advances in radiative transfer theory and measurements = > Radiation math — Studies conducted largely for military applications give accurate values of infrared absorption by gases = > CO2 greenhouse — Nuclear physicists and chemists develop Carbon - 14 analysis, useful for dating ancient climate changes = > Carbon dates, for detecting carbon from fossil fuels in the atmosphere, and for measuring the rate of ocean turnover = > CO2 greenhouse — Development of digital computers affects many fields including the calculation of radiation transfer in the atmosphere = > Radiation math, and makes it possible to model weather processes = > Models (GCMs)-- Geological studies of polar wandering help provoke Ewing - Donn model of ice ages = > Simple models — Improvements in infrared instrumentation (mainly for industrial processes) allow very precise measurements of atmospheric CO2 = > CO2 greeStudies conducted largely for military applications give accurate values of infrared absorption by gases = > CO2 greenhouse — Nuclear physicists and chemists develop Carbon - 14 analysis, useful for dating ancient climate changes = > Carbon dates, for detecting carbon from fossil fuels in the atmosphere, and for measuring the rate of ocean turnover = > CO2 greenhouse — Development of digital computers affects many fields including the calculation of radiation transfer in the atmosphere = > Radiation math, and makes it possible to model weather processes = > Models (GCMs)-- Geological studies of polar wandering help provoke Ewing - Donn model of ice ages = > Simple models — Improvements in infrared instrumentation (mainly for industrial processes) allow very precise measurements of atmospheric CO2 = > CO2 greenModels (GCMs)-- Geological studies of polar wandering help provoke Ewing - Donn model of ice ages = > Simple models — Improvements in infrared instrumentation (mainly for industrial processes) allow very precise measurements of atmospheric CO2 = > CO2 greestudies of polar wandering help provoke Ewing - Donn model of ice ages = > Simple models — Improvements in infrared instrumentation (mainly for industrial processes) allow very precise measurements of atmospheric CO2 = > CO2 greenmodels — Improvements in infrared instrumentation (mainly for industrial processes) allow very precise measurements of atmospheric CO2 = > CO2 greenhouse.

He and his collaborators employed both simple and complex computer models in early studies of the role of clouds in climate change, and in research on the climatic effects of massive volcanic eruptions.