Sentences with phrase «eddy simulations»

The boundary layer parameterizations are evaluated against reference large eddy simulations and field observations, under the auspices of another WCRP program.
Senocak, I., A.S. Ackerman, M.P. Kirkpatrick, D.E. Stevens, and N.N. Mansour, 2007: Study of near - surface models for large - eddy simulations of a neutrally stratified atmospheric boundary layer.
Golaz, H. Jiang, M. Khairoutdinov, M.P. Kirkpatrick, D.C. Lewellen, A. Lock, F. Müller, D.E. Stevens, E. Whelan, and P. Zhu, 2005: Evaluation of large - eddy simulations via observations of nocturnal marine stratocumulus.
For processes such as boundary layer turbulence that are computable in limited areas if sufficiently high resolution is available, parameterization schemes are increasingly also tested with data generated computationally in local process studies with high - resolution models (e.g., large - eddy simulations), likewise at only a few locations.
«Skill of ship - following large - eddy simulations in reproducing MAGIC observations across the northeast Pacific stratocumulus to cumulus transition region.»
The links between model biases and the underlying assumptions of the shallow cumulus scheme are further diagnosed with the aid of large - eddy simulations and aircraft measurements, and by suppressing the triggering of the deep convection scheme.
Zhang, X., T. Schneider, and C. M. Kaul, 2018: Arctic stratocumulus in large - eddy simulations and a mixed - layer model.
Pressel, K. G., S. Mishra, T. Schneider, C. M. Kaul, Z. Tan, 2017: Numerics and subgrid - scale modeling in large eddy simulations of stratocumulus clouds.
We can not simulate low clouds globally, but we can simulate them faithfully in limited domains, with large - eddy simulations (LES).
They start by conducting high - fidelity large eddy simulations that accurately capture the physics of the turbulence that is making the noise.
CHARLES is a high - fidelity flow solver for large eddy simulation, a mathematical model grounded in fluid flow equations known as Navier - Stokes equations.
These data are used in large - eddy simulation (LES) models, which simulate atmospheric air currents and cloud processes, to provide context and a self - consistent representation of the atmosphere surrounding the SGP.
LASSO will enhance ARM observations by using large - eddy simulation (LES) modeling to provide context and a self - consistent representation of the atmosphere surrounding the Southern Great Plains (SGP) atmospheric observatory.
PyCLES is a Python - based large - eddy simulation (LES) code, whose development is led by Kyle Pressel.
Tan, Z., T. Schneider, J. Teixeira, and K. G. Pressel, 2017: Large - eddy simulation of subtropical cloud - topped boundary layers: 2.
Pressel, K. G., C. M. Kaul, T. Schneider, Z. Tan, and S. Mishra, 2015: Large - eddy simulation in an anelastic framework with closed water and entropy balances.
Large - eddy simulation (LES) of clouds can help resolve one of the most important and challenging question in climate dynamics, namely, how subtropical low clouds respond to global warming.
We use the large - eddy simulation code PyCLES to simulate the dynamics of clouds and boundary layers, to elucidate their response to climate changes, and to develop closure schemes for representing their smaller - scale dynamics in larger - scale climate and weather forecasting models.
LASSO — the LES ARM Symbiotic Simulation and Observation workflow — is laying the groundwork to produce routine large - eddy simulation (LES) modeling at the ARM Southern Great Plains (SGP) atmospheric observatory.
This is a large - eddy simulation of a deep cumulonimbus (a tall rain cloud).
Leboissetier, A., N. Okong «o, and J. Bellan, 2005: Consistent large - eddy simulation of a temporal mixing layer laden with evaporating drops.
Lets focus down in scale, say to a large eddy simulation model, with resolution of say 2 m. Even such models have parameterizations of the subgrid motions.
If the model is configured to simulate small clouds or turbulence with a grid spacings of 100 m or less we usually refer to this as a «large eddy simulation» (LES).

Not exact matches

A computer simulation of the eddies produced similar deep - sea currents, giving support to the correlation between the two observations.
Then the team's computer simulations showed that eddies could trigger changes in sea floor currents matching the patterns measured by the instruments, with the best correlation occurring when the effects on deep - sea currents happened 8 days after the eddy passed overhead.
This is shown by the change of zonal mean temperature and eddy kinetic energy in our simulations with and without ice melt.
Maltrud, M.E., R.D. Smith, A.J. Semtner, and R.C. Malone, 1998: Global eddy - resolving ocean simulations driven by 1985 — 1995 atmospheric winds.
Roberts, M., et al., 2004: Impact of an eddy - permitting ocean resolution on control and climate change simulations with a global coupled GCM.
The scientists conducted ocean simulations in an idealized mid-latitude ocean basin to Simulate Mesoscale Ocean Activity (SOMA) and eddy mixing.
O'Gorman, P. A., and T. Schneider, 2008: Energy of midlatitude transient eddies in idealized simulations of changed climates.
Xu, X., P. B. Rhines, E. Chassignet, and W. Schmitz, 2014: Spreading of Denmark Strait overflow water in the western subpolar North Atlantic: Insights from eddy - resolving simulations with a passive tracer.
Due to the close relation between oceanic eddies and storms, eddy - resolving ocean models may be necessary for further improvement of hurricane simulation.
Chris Jones and Chris Bretherton at the University of Washington invented an algorithm to speed up cloud resolving model simulations by cleverly exploiting a known timescale separation between fast eddies and the rate at which they evolve the horizontal mean state of a limited domain LES.
The US CLIVAR Eastern Tropical Oceans Synthesis (ETOS) Working Group was formed to promote collaboration in the southeast oceanic basins, coordinate a model assessment of surface flux errors for the equatorial Atlantic, identify recent model improvements and common and persistent model errors, and provide recommendations of cases for community simulation and evaluation using eddy - permitting ocean models.
Luneva, M.V., C.A. Clayson, and M.S. Dubovikov, 2015: Effects of mesoscale eddies in the active mixed layer: Test of the parametrisation in eddy resolving simulations.
However, model physics process representations that are supposed to account for the eddy moisture transport effects on convection significantly underestimate them compared to simulations that explicitly resolved eddy moisture transport without using convective representations.
The eddy covariance observations and the model simulations over Europe illustrate the fact that there is a larger correlation of flux changes with rainfall than with temperature changes.
Incorporate mesoscale eddy - resolving ocean models more fully into the toolkit used for AMOC mechanisms / prediction work, including long coupled GCM simulations, in order to address questions about the role of turbulence in controlling AMOC.
It is shown that for the «A2» business as usual scenario, every model exhibits an increase in the eddy length scale in the future compared with the simulation of 20th Century climate.
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