Sentences with phrase «numerical models for»

She develops and applies numerical models for small - scale atmospheric processes and study these processes effect on the general circulation.

Not exact matches

I will not answer this question in a quantitative way, which may disappoint those who want numerical forecasts; in fact, I will be making a few criticisms of the simple models that are often employed for this purpose.

Stumm said the study would include «putting a network of outpost wells, filling in gaps in information, and using the information in a numerical model to make predictions for management.

«It's impressive, considering that current state - of - the - art numerical weather models, such as NOA's Global Forecast System, or the European Centre for Medium - Range Weather Forecasts» operational model, are only skillful up to one to two weeks in advance,» says paper co-author Cory Baggett, a postdoctoral researcher in the Barnes and Maloney labs.

Physical and mathematical model of ice behavior under dynamic loads as well as a numerical method for calculating its impact and explosive loading, capable of reproducing the main features and mechanisms of deformation and fracture has been developing are currently under development.

This gave the researchers «particular concern» for tsunami hazard there, so they decided to investigate their original finding further using numerical modeling techniques.

By combining classical earthquake statistics and newly developed numerical models, our contribution addresses a crucial aspect of the seismic hazard, providing an intuitive physical explanation for a global - scale problem.

«The numerical model Soheil developed in his Ph.D. thesis allowed for finding three - dimensional melt networks of any geometrical complexity for the first time,» said Prodanovic.

For these comparative studies I applied both simple model calculations and massive three - dimensional direct numerical simulations on supercomputers.

«The paper formulated the Grosseteste model in terms of differential equations that can be solved with modern numerical techniques,» says cosmologist Avi Loeb at the Harvard - Smithsonian Center for Astrophysics in Cambridge, who was not involved in the work.

The team compiled data from many studies and for the first time synthesized observations and numerical model output to develop a cohesive view of the carbon cycle in a large coastal region.

Scott Kenyon, a theorist at the Harvard — Smithsonian Center for Astrophysics who builds numerical models of planet formation, echoes that assessment.

«We gradually increased the physical complexity of numerical models based on high - resolution observations, and it is really a success story for the approach we've taken with IRIS.»

Apart from ground stations, weather forecasts are heavily dependent on weather satellites for information to start or «initialize» the numerical weather prediction models that are the foundation of modern weather prediction.

Bill Lapenta, acting director of NOAA's Environmental Modeling Center, heads that translation effort, which churns out numerical forecasts for 12, 24, 36, 48 and 72 hours ahead and beyond.

The mathematical model developed for the latest work determines how termite mounds affect plant growth by applying various tools from physics and mathematical and numerical analysis to understand a biological phenomenon, said first author Juan Bonachela, a former postdoctoral researcher in the research group of co-author Simon Levin, Princeton's George M. Moffett Professor of Biology.

For the numerical simulation, the researchers constructed a «phase - field» model, which mathematically defined the phase transitions of the shell material.

Both academic and industrial biological research centers value physicists for their computer literacy and numerical modeling skills.

I was working for the Omani Meteorological Department when the implementation of a numerical weather forecasting model prompted the need for some local knowledge in numerical weather predictions.

In 2015, Andrew Ross, meteorology doctoral student, Penn State, noticed an odd pattern emerging while testing a numerical computer model for tidal research.

For example, a custom coded numerical model has been used to predict differences in the diffusive scaling laws across the depth of a microchannel.

Based on the volcanic record in and around Iceland over the last 56 million years and numerical modeling, Brown and Lesher show that high mantle temperatures are essential for generating the large magma volumes that gave rise to the North Atlantic large igneous provinces bordering Greenland and northern Europe.

For instance, the team used a numerical model to see how phytoplankton as a whole will migrate significantly, with most populations shifting toward the poles as the planet warms.

He uses a combination of analytic and simple numerical models to build physical intuition for complex phenomena.

They are collecting data from their numerical modeling and experimental research to benefit wave energy technology with improved methodologies, strategic control systems design and testing practices for wave energy converters.

«Such markers can be seen in remote sensing imagery and tree - ring isotopes, but we're also looking at climate records for precipitation and temperature, along with numerical modeling to determine what type and how much water has been delivered to a basin in the first place.

The astronomers» long - term goal is to find about ten similar examples of these cold flows, which would allow for a much more detailed comparison of their observations with the predictions of numerical models.

Bdzil's detonation shock dynamics method has become the recognized standard for highly accurate numerical modeling of detonation in high - explosive systems.

For her PhD, Kaitlin Beneath took the plunge into a massive — and successful — model debugging project that identified and fixed a vexing numerical instability involving sea ice production.

The largest datasets exist for Earth, followed by Saturn, Jupiter and Mercury (Krupp 2015), whereas important information has also been obtained from ground - based or Earth - orbiting telescopes as well as analytical and numerical models.

Using a numerical model developed by the Max Planck Institute for Meteorology and the German Weather Service, the team created two simulations of convectional organization over a 312,000 - square - kilometer grid with 1 - kilometer spacing.

The Mathematics of the Weather is a forum for the discussion of new numerical approaches for use in numerical forecasting, climate modelling and research into numerical modelling of the atmosphere.

He has a broad interest in modelling of forward and inverse photon transport processes and numerical methods for solving large - scale parameter estimation problems.

Ji's work will concentrate on transferring numerical modeling tools and data products developed in his on - going research projects for fisheries stock assessment.

The Platform for Regional Integrated Modeling and Analysis (PRIMA) initiative provided the model configuration and datasets used in the numerical experiments.

The numerical model used in this study calculated sulfate reduction, methane production, and a broad array of other biogeochemical cycles in the ocean for the billion years between 1.8 billion and 800 million years ago.

The research team for this study used these data in sophisticated numerical models to examine cloud microphysical processes that are important for cloud maintenance but can not be directly observed, even with the most advanced instrumentation.

Constraints such as these are important for numerical models that attempt to replicate and predict the past and future behaviour of the Antarctic Ice Sheet.

For the three subprojects proposed here, the synthesis tools to be established within BIOACID range from meta - analysis techniques over regional and global numerical ecosystem models to economic methods of integrated assessment.

However, the present models still fail to account for many of the characteristics of the distribution and, quoting one of the scientific articles, [2] the problems «continue to challenge analytical techniques and the fastest numerical modeling hardware and software.»

A combination of extensive state - of - the - art numerical calculations with classic analytical models describing the kinetics of sequential chemical reactions has shown that it is not enough to consider the energy potential landscape (i.e. the energies of the species along the reaction pathway and the associated transformation barriers), but that energy dissipation to the substrate and changes in molecular entropy play a critical role for the stabilization of the intermediates.

This information is vital for numerical models, and answers questions about how dynamic ice sheets are, and how responsive they are to changes in atmospheric and oceanic temperatures.

A 2 - D numerical model of snow / ice energy balance and ice flow for paleoclimatic interpretation of glacial geomorphic features.

Wang, B., et al., 2004: Design of a new dynamical core for global atmospheric models based on some efficient numerical methods.

For instance, After the discovery of the Chicxulub crater at the tip of Mexico's Yucatan Peninsula, scientists began developing numerical models to understand the sequence of events during the impact and their consequences.

This environment, designated the Virtual Environment for Reactor Applications (VERA), incorporates science - based models, state - of - the - art numerical methods, modern computational science and engineering practices, and uncertainty quantification (UQ) and validation against data from operating pressurized water reactors (PWRs), single - effect experiments, and integral tests.

She received a Ph.D. from ETH - Zurich in 2002 for her work on the numerical modeling of faulting behavior and local stress evolution in response to regional tectonics and evolving fault hydraulic properties.

Considering the model in a flow cell containing nanodiamonds immobilized in a hydrogel, numerical illustration shows flowing water molecules can be polarized over 1000-fold, in sufficient volumes for detection by current NMR scanners.

We found that 14C - assimilation could be described by the same function of CO2 for both approaches but showed different dependencies on HCO3 — when pH was varied at constant TIC than when TIC was varied at constant pH. A numerical model of Trichodesmium's CCM showed carboxylation rates are modulated by HCO3 — and pH. The decrease in Ci assimilation at low CO2, when TIC was varied, is due to HCO3 — uptake limitation of the carboxylation rate.

The models include a new wind braking law based on recent numerical simulations of magnetized stellar winds and specific dynamo and mass - loss prescriptions a... ▽ More We present new models for the rotational evolution of solar - like stars between 1 Myr and 10 Gyr with the aim to reproduce the distributions of rotational periods observed for star forming regions and young open clusters within this age range.