Sentences with phrase «climate model resolution»

The researchers then employed a number of scientific theories and a set of sophisticated calculations to arrive at a mathematical framework to diagnose how climate model resolution affected the simulation of the location and dynamics of the jet stream.

Unfortunately, many of these cloud properties must be estimated through parameterization, a technique used to represent complex small - scale systems, because climate model resolution is too coarse to resolve small - scale cloud features.

Not exact matches

These high - resolution projections, based on global climate models, predict when and where annual coral bleaching will occur.

The research in the paper combined the latest climate predictions from the Met Office Hadley Centre, including a high resolution climate model for the UK, with two phosphorus transfer models of different complexity.

Trenberth cites issues from the low - resolution ocean model to the lack of important ocean - climate patterns such as the El Niño - Southern Oscillation.

Dr Pete Falloon of the Met Office Hadley Centre, who led the climate modelling, said «State - of - the - art high resolution climate models were used in this project alongside the latest UKCP09 climate projections.

Using data from earth - observing satellites and high - resolution climate models, the authors found a consistent decrease in summer cloud cover since 1995.

While rainfall intensity was more realistically predicted by the high - resolution climate models, particularly for summer convective storms, these storms do not make a significant difference to summer phosphorus losses.

The high resolution made it possible for the researchers to uncover the processes taking place in the atmosphere, which are only included in global climate models to a very approximate degree.

«The issue here is that there is always a trade - off in climate modeling between high resolution and acceptable computational cost — primarily time needed for simulation,» Gutowski explains.

Our global climate models zoom down to finer and finer resolutions; our satellites reveal remote corners of the globe; we increase our understanding of the response of giant ice sheets and deep ocean currents to a warming planet.

Wehner says the high - resolution models will help scientists to better understand how climate change will affect extreme storms.

Further down the line, Wehner says scientists will be running climate models with 1 km resolution.

The scientists generated the enormous dataset by running NCAR's Weather Research and Forecasting model at an extremely high resolution of about 4 kilometers (about 2.5 miles), across the entire contiguous U.S. Typical climate models only resolve to about 100 kilometers (about 62 miles)-- not nearly the detail available in the new dataset.

Multiple high - resolution climate models confirmed that the increasing trend is due mainly to human - caused global warming.

«This new high - resolution climate model is able to simulate regional - scale precipitation with considerably improved accuracy compared to previous generation models,» said Tom Delworth, a research scientist at NOAA's Geophysical Fluid Dynamics Laboratory in Princeton, N.J., who helped develop the new model and is co-author of the paper.

Their findings, based on output from four global climate models of varying ocean and atmospheric resolution, indicate that ocean temperature in the U.S. Northeast Shelf is projected to warm twice as fast as previously projected and almost three times faster than the global average.

The global climate models assessed by the Intergovernmental Panel on Climate Change (IPCC), which are used to project global and regional climate change, are coarse resolution models based on a roughly 100 - kilometer or 62 - mile grid, to simulate ocean and atmospheric dyclimate models assessed by the Intergovernmental Panel on Climate Change (IPCC), which are used to project global and regional climate change, are coarse resolution models based on a roughly 100 - kilometer or 62 - mile grid, to simulate ocean and atmospheric dyClimate Change (IPCC), which are used to project global and regional climate change, are coarse resolution models based on a roughly 100 - kilometer or 62 - mile grid, to simulate ocean and atmospheric dyclimate change, are coarse resolution models based on a roughly 100 - kilometer or 62 - mile grid, to simulate ocean and atmospheric dynamics.

Vahmani and Jones used a high - resolution regional climate model for their analysis; Vahmani then added a component to the model to account for irrigation water.

«Northwest Atlantic Ocean may get warmer, sooner: High resolution global climate model shows much faster warming and changing ocean circulation.»

Observations and the high - resolution climate model CM2.6 show a strong relationship between a weakening Atlantic Meridional Overturning Circulation (AMOC) and an increase in the proportion of warm - temperate slope water entering the U.S. Northeast Continental Shelf, primarily through the Gulf of Maine's Northeast Channel.

So it would be nice for the climate models to have sufficient resolution to be able to predict the impact of changes in coastal sea ice.»

But the critical coastal process, which actually generates more of the deep water, occurs on smaller scales and is only captured in high - resolution regional climate models, Knudson said.

A Columbia Engineering team led by Pierre Gentine, professor of earth and environmental engineering, and Adam Sobel, professor of applied physics and applied mathematics and of earth and environmental sciences, has developed a new approach, opposite to climate models, to correct climate model inaccuracies using a high - resolution atmospheric model that more precisely resolves clouds and convection (precipitation) and parameterizes the feedback between convection and atmospheric circulation.

When the researchers compared their results with the output of a number of climate models, they found that several of the newer models that have higher resolution and use updated ice sheet configurations do «a very good job» of reproducing the patterns observed in the proxy records.

Emanuel and his colleagues had previously devised a technique to simulate hurricane development in a changing climate, using a specialized computational model they developed that simulates hurricanes at high spatial resolutions.

But there, challenges also arise, as models that simulate changing climate at a global scale do so at relatively coarse resolution, of around hundreds of kilometers, while hurricanes require resolutions of a few kilometers.

This approach is a natural fit for climate science: a single run of a high - resolution climate model can produce a petabyte of data, and the archive of climate data maintained by the UK Met Office, the national weather service, now holds about 45 petabytes of information — and adds 0.085 petabytes a day.

For now, Georgescu said, he will concentrate on regional modeling because global climate models do not yet offer enough resolution to illuminate climate trends in areas like the Sun Corridor.

The principle crops in the region uncovered include cereals such as corn, rice, and spring wheat in a region known to be the main grain area of China (26)[Fig. 1, with brown dots in denoting at least 50 % total coverage by crops according to the land cover type yearly climate modeling grid (CMG) datasets with 0.05 ° resolution from the NASA Land Processes Distributed Active Archive Center (LP DAAC).].

The Washington assessment is the first to combine such a diverse and detailed set of climate models, fine spatial resolution, and hydrologic modeling into an integrated climate impacts assessment.

Over that time, the climate model would've been superseded by new models running on faster computers at higher resolutions using better understood science.

PNNL researchers show that higher - resolution climate models can provide more accurate information on important particle - cloud interactions

This study showed that higher resolution climate models tend to more realistically depict how droplets form a cloud and how precipitation develops.

The researchers will then code the approach so it can be used in coarse - resolution global climate models.

The PNNL team is currently applying the approach, which grew out of the Aerosol Climate Initiative, to other types of simulations, so that future high - resolution climate models will solve the mystery surrounding aerosol - cloud interaClimate Initiative, to other types of simulations, so that future high - resolution climate models will solve the mystery surrounding aerosol - cloud interaclimate models will solve the mystery surrounding aerosol - cloud interactions.

Resolution in Opposition to a Carbon Tax: Despite support for a carbon tax from ALEC members like ExxonMobil, ALEC is creating a model bill to weigh in on what will become the keystone policy battle for climate change science deniers, a battle that is already creating a rift among conservative groups, like the Koch - funded Heritage Foundation and the Heartland Institute against the R Street Institute.

It would be useful to carry out more detailed studies with higher resolution climate models including the most realistic possible distribution of meltwater.

Walsh, K.J.E., K.C. Nguyen and J.L. McGregor, 2004: Fine - resolution regional climate model simulations of the impact of climate change on tropical cyclones near Australia.

Suzuki, T., et al., 2005: Projection of future sea level and its variability in a high - resolution climate model: Ocean processes and Greenland and Antarctic ice - melt contributions.

High - resolution simulations are being performed that resolve the local and regional variations of particulate characteristics to obtain a better understanding of important aerosol processes that need to be incorporated into larger - scale climate models.

Unfortunately it is not a question that can be answered with a great deal of confidence from current - generation global climate models since their spatial resolution is typically inadequate to address such regional matters with any degree of reliability.

Sakamoto, T.T., et al., 2004: Far - reaching effects of the Hawaiian Islands in the CCSR / NIES / FRCGC high - resolution climate model.

This progress report details the status of these interrelated enhancements and the Large - Eddy Simulation (LES) ARM Symbiotic Simulation and Observation Workflow model implementation project (now midway through its two - year duration) at the Southern Great Plains site that is designed to bridge the scale gap between high - resolution ARM observations and large - scale climate models.

More powerful machines also means that scientists are able to run climate models with higher spatial resolution.

The delta method interpolates the General Circulation Model generally used in climate modelling at scales of 100 to 200 km using a thin plate spline spatial interpolation method to achieve the 30 arc seconds resolution [52].

Sakamoto, T., et al., 2005: Responses of the Kuroshio and the Kuroshio Extension to global warming in a high - resolution climate model.

«We find this fingerprint both in a high - resolution climate model in response to increasing atmospheric carbon dioxide concentrations, and in the temperature trends observed since the late nineteenth century.»

In a new paper, Schneider et al. outline a blueprint for a next - generation climate model that would employ advancements in data assimilation and machine learning techniques to learn continuously from real - world observations and high - resolution simulations.

As we've gone through time, climate models have got more complex, so that's not only been due to increasing resolution, but also adding more processes.