Sentences with phrase «resolution climate models»

Until we figure out how to do this on the weekly to seasonal time scales, trying to infer extreme events from coarse resolution climate models with insufficient number of ensemble members is like voodoo.

Analyses of tide gauge and altimetry data by Vinogradov and Ponte (2011), which indicated the presence of considerably small spatial scale variability in annual mean sea level over many coastal regions, are an important factor for understanding the uncertainties in regional sea - level simulations and projections at sub-decadal time scales in coarse - resolution climate models that are also discussed in Chapter 13.

Latest supercomputers enable high - resolution climate models, truer simulation of extreme weather

Dynamical downscaling uses high - resolution climate models to represent global or regional sub-domains, and uses either observed or lower - resolution AOGCM data as their boundary conditions.

Utilizing higher spatial resolution models, Wehner points is necessary because only high resolution climate models (< 25Km) can realistically reproduce extreme storms [iii].

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

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 interactions.

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

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

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

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.

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

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.

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.

«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.

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.

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.

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.

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

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.»

«I've been calling this a golden age for high - resolution climate modeling because these supercomputers are enabling us to do gee - whiz science in a way we haven't been able to do before,» said Wehner, who was also a lead author for the recent Fifth Assessment Report of the Intergovernmental Panel on Climate Change (IPCC).

NOAA scientists have developed a new high - resolution climate model that shows southwestern Australia's long - term decline in fall and winter rainfall is caused by increases in manmade greenhouse gas emissions and ozone depletion, according to research published today in Nature Geoscience.

«This new high - resolution climate model is able to simulate regional - scale precipitation with considerably improved accuracy compared [continue reading...]

«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.»

Both studies are part of a model improvement plan to compare different high - resolution climate modeling approaches and find the impacts of model resolution on results.

Heat waves like the one that punished the central United States in July 2012 may be more common and longer - lasting by the time today's children are raising their own families, according to results from a high - resolution climate model experiment conducted by scientists at NOAA's Geophysical Fluid Dynamics Laboratory.

Warming on the scale of 3 to 4 oC, as shown in GFDL's high - resolution climate model, will cause more extreme effects on the ecosystem.

Rangwala I., C. Dewes and J. J. Barsugli (March 2016): High - resolution climate modeling for regional adaptation.

He notes that simulations run with a low - resolution climate model can give completely contrary results from a high - resolution version of the same model.

Climatic implications of earlier snow melting Diffenbaugh and his colleagues used a high - resolution climate model to accurately reproduce the western U.S.'s topography, allowing them to document the impact of the snow cover on the climate and the region's historical runoff record.

Not exact matches

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

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

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.

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.»

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.

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.