Sentences with phrase «using eddy»

Workshop participants recommended that steps should be taken to define air - sea fluxes as ECVs or EOVs, particularly for those fluxes that can be measured directly and for which there is consensus about measurement methods (e.g., air - sea heat and momentum exchanges using the eddy covariance method).

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.

The solution, devised by biological oceanographer Victor Smetacek of the Alfred Wegener Institute for Polar and Marine Research in Germany and his colleagues, was to use an eddy.

It uses an eddy - current system, one of the best resistance systems in elliptical trainers for its dependability and responsiveness.

Not exact matches

I have decided to use one of the letters of St. Paul that addresses the most serious blight that presently exists among believers in Jesus Christ as Lord and Savior: divisions within the powerful river of faith that are dividing us into swirling eddies and meandering tributaries.

Aluminium closures collected together with the mixed packaging fraction are separated with eddy - current systems and similar systems are used to separate closures when it comes to glass.

The tower is part of the AmeriFlux network, a consortium of scientists using a network to work with the eddy covariance technique, measuring fluxes of CO2 and CH4 at multiple sites across the Americas.

In this specific site, the researchers are measuring the exchange of CO2 and CH4 between the ecosystem and the atmosphere using the first eddy covariance tower established in the state of Delaware since 2015.

Further, in areas of the ocean with persistent or frequent eddies, Qiu and co-authors from the Japan Meteorological Agency, Caltech and NASA Jet Propulsion Laboratory determined that sea level can reliably be used to calculate circulation at a fairly high resolution, that is, at fairly small length scales (resolution of 10 miles).

During this cruise, the researchers will locate an eddy using satellite data and then deploy the LRAUVs to survey the feature and collect water samples.

Much larger eddies have been observed using satellites, but small cyclones have been very rarely measured, the researchers will report in an upcoming issue of Geophysical Research Letters.

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.

Knowledge of dominant scales associated with mesoscale eddies enables a better understanding of the resolution requirements for the Coupled Model Intercomparison Project, the framework used for comparison of global coupled ocean - atmosphere general circulation models.

We were introduced to the methodology and equipment used to study the behaviour and impact of water eddies in the seas and oceans.

Using dye in the tanks, they were able to track the eddies left behind by the brine shrimp.

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.

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The Synchromists made use of the broken planes of the Cubists, but their lavishly colored areas of paint sometimes looked, as the art historian Abraham Davidson has described them, like «eddies of mist, the droplets of which collect to form parts of a straining torso... To find anything like this in American painting one has to wait for the color - field canvases of Jules Olitski in the 1960s.»

But there's a new generation of inductive bike lighting coming of age right now, which uses the naturally - generated eddy currents from the spinning wheel of the bike to produce enough electricity to drive bright (and energy - efficient) LED bulbs, and which promises to set cyclists free from the dreaded dead battery blues.

However, Helbig et al. [2017], using a set of nested paired eddy covariance flux towers in a boreal forest - wetland landscape, point to the increasing importance of warming temperatures on ecosystem respiration potentially overwhelming enhanced productivity occurring from land cover change under projected anthropogenic trends.

Using an ocean circulation model for the shelf, the authors find that surface temperatures may increase by 0.5 to 2.0 °C, seasonal surface salinity may drop by up to 2 PSS in some areas, and that Haida Eddies will strengthen, as will the Vancouver Island Coastal Current and freshwater discharges into coastal waters.

Instead, sub-grid scale parameterizations are used to parametrize the unresolved processes, such as cloud formation and the mixing due to oceanic eddies.

The US CLIVAR / OCB Southern Ocean Working Group was formed to identify critical observational targets and develop data / model metrics based on the currently available observational data, both physical and tracer, and the assimilative modeling (re) analyses, and evaluate and develop our understanding of the importance of mesoscale eddies in the heat and carbon uptake and of the response of the Southern Ocean to a changing climate, using high - resolution numerical studies and theory.

For mature or decaying eddies linear theory is little use in predicting the steering level.

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.

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.

Thus it is unlikely that there will be any notion of repeatability of the eddies in the sense that we like to use when looking at the generic well defined bounded problems.

As a kayaker and hydrogeologist, I always felt that the concept of standing waves, eddies and whirlpools in a river system was a good example of spatio - temporal chaos and if you hadn't used the example, I would have pointed it out here.

The regional arrays provide a sampling of ocean conditions around the world that is designed to produce an integrated data set that can be used to address questions related to physical - biogeochemical coupling in eddies, phytoplankton phenology (cyclic and seasonal phenomena), nutrient supply, and climate effects on ocean carbon cycling in selected regions.

Aquatic GHG fluxes are measured using a variety of techniques (e.g., floating chambers, thin boundary methods, eddy covariance towers, acoustic methods, and funnels; supplemental figure S1) that provide varying degrees of spatial and temporal coverage and accuracy (St. Louis et al. 2000).

Currently, the use of eddy covariance systems over lakes and reservoirs is relatively new and poses several challenges.

The study by Ponte (2012) is referenced for its use of an eddy - resolving ocean state estimate to quantify the substantial variability in temperature and salinity expected in the deep ocean on time scales from months to years.

Ecosystem - atmosphere CO2 exchange on short time - scales can be measured using micrometeorological techniques such as eddy covariance, which relies on rapidly responding sensors mounted on towers to resolve the net flux of CO2 between a patch of land and the atmosphere (Baldocchi et al., 1988).

This can be empirically tested by either directly observing velocities and pressure gradients or using a more indirect approach and estimating the dissipative power of smaller - scale eddies.

They then estimated the heat flux into the thermocline using a standard (accepted) model, with a thermocline eddy diffusion coefficient of 1.2E - 5 m ^ 2 / s from Ledwell: We estimate s by using this slope along with k = 1.2x10 - 5 m2 / s (the eddy diffusion coefficient in the thermocline [Ledwell et al., 1998]-RRB- So if they are wrong, either their basic model is wrong (which seems unlikely - it is just a simple energy balance model after all), or their choice of eddy diffusion coefficient is wrong.

Ledwell's 1998 SF6 tracer experiments established an eddy diffusion coefficient of around 10 - 5, which is what Douglass uses.

Regardless, describing Douglass as «rubbish» because he used recent, published values for the eddy diffusion coefficient seems rather unfair.

This paper in Journal of Marine Research has nearly 500 citations and describes vertical eddies in ocean interior using diffusivity as a metric.

Expand the use of eddy - resolving models, particularly in regional / process studies designed to: i) test the robustness of AMOC variability mechanisms identified in coarser GCMs or idealized models; ii) address the origins of persistent model bias in the North Atlantic region (e.g., Gulf Stream separation and the North Atlantic Current path); and iii) assess the role of ocean turbulence in AMOC variability.

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.

Wind energy: Projecting electricity output at a wind farm is extraordinarily challenging as it involves predicting variable gusts and complex wind eddies at the height of turbines, which are hundreds of feet above the sensors used for weather forecasting.

«Projecting electricity output at a wind farm is extraordinarily challenging as it involves predicting variable gusts and complex wind eddies at the height of turbines, which are hundreds of feet above the sensors used for weather forecasting»

The effects of mesoscale eddies on the main subtropical thermocline are explored using a simply configured wind - and buoyancy - driven primitive equation numerical model in conjunction with transformed Eulerian mean diagnostics and simple scaling ideas and closure schemes.

At any rate, this is a mere rock in a river that's headed towards ever greater free use of others» content on the web, and the eddy it creates will soon be smoothed out in the coming flood.