Sentences with phrase «using climate models at»

Using climate models at the Laboratoire de Météorologie Dynamique, François Forget (CNRS) and Martin Turbet (UPMC) show that, with a cold climate and an atmosphere denser than it is today, ice accumulated at around latitude 25 ° S, in regions corresponding to the sources of now dry river beds.

Not exact matches

This study looked at genetic (varieties) and management (row spacing and nitrogen) options to minimise the impact of climate change, using rain - out shelters to control rainfall; the results provided a platform to model wheat production in future climates.

It's going to be one of the major topics at a regional Climate Solutions Summit in Syracuse this weekend, as the city hopes to take the lead on an energy supply model that uses renewable energy.

When the weather - based model developed at Rothamsted Research was used to predict how climate change may affect the wheat crops, it was predicted that wheat flowering dates will generally be earlier and the incidence of the ear blight disease on the wheat crops will substantially increase.

To see whether this increase in crops has influenced the region's unusual weather, researchers at the Massachusetts Institute of Technology in Cambridge used computers to model five different 30 - year climate simulations, based on data from 1982 to 2011.

The study uses a model of China's economy and energy output, called C - GEM, developed by scholars at the Tsinghua - MIT China Energy and Climate Project.

Lupo and Andrew Jensen, who earned his doctorate at MU, used an existing climate model to simulate jet stream flow in the Northern Hemisphere.

«The result is not a surprise, but if you look at the global climate models that have been used to analyze what the planet looked like 20,000 years ago — the same models used to predict global warming in the future — they are doing, on average, a very good job reproducing how cold it was in Antarctica,» said first author Kurt Cuffey, a glaciologist at the University of California, Berkeley, and professor of geography and of earth and planetary sciences.

One day, oceanographers hope Spray and other gliders will be able to roam the oceans at will, providing an almost limitless supply of data that could be used to build more sophisticated climate models and develop better weather forecasts.

To assess how future heat waves might affect air travel, researchers used climate models to estimate hour - by - hour temperatures throughout the year at 19 particularly busy airports in the United States, Europe, the Middle East, China, and South Asia for the period between 2060 and 2080.

The research team used a global climate model to measure present - day conditions (1975 through 2004) and future scenarios (2071 through 2100), both at daytime and at night.

Matthew Huber, who uses computer models to examine climate dynamics at Purdue University in West Lafayette, Indiana, has his new students work on test projects to prove their skills before they move on to more advanced problems.

This time, no return to cooler period Tim Barnett, a climatologist at Scripps Institution of Oceanography, said the new results appear to agree with his earlier work that used climate models to show humans» greenhouse gas emissions have contributed to declining snowpack in the western United States.

Cynthia Rosenzweig, a researcher based at Goddard, has been using crop - growth computer models to predict effects of carbon dioxide buildup and climate change on wheat, the most widely cultivated crop in the world.

To find out, Axel Lauer of the University of Hawaii at Manoa in Honolulu and his colleagues used a relatively new climate model called the International Pacific Research Center Regional Atmospheric Model (imodel called the International Pacific Research Center Regional Atmospheric Model (iModel (iRAM).

USGS looked at the likely effects of climate change using two models, one where the temperature rises 2 degrees Fahrenheit by 2099 and the other where it climbs 7 degrees by century's end.

Knowing the speed and height at which aerosols are being thrown into the air can be used for more accurate climate modeling or creating a perfect glass of champagne.

Vincent Saba, a research fishery biologist at NOAA's Northeast Fisheries Science Center (NEFSC), and his study co-authors used annual nest counts from Florida and a time - series of climate data in turtle - nesting population models.

«Most climate models that incorporate vegetation are built on short - term observations, for example of photosynthesis, but they are used to predict long - term events,» said Bond - Lamberty, who works at the Joint Global Change Research Institute, a collaboration between PNNL and the University of Maryland in College Park, Md. «We need to understand forests in the long term, but forests change slowly and researchers don't live that long.»

Using 19 climate models, a team of researchers led by Professor Minghua Zhang of the School of Marine and Atmospheric Sciences at Stony Brook University, discovered persistent dry and warm biases of simulated climate over the region of the Southern Great Plain in the central U.S. that was caused by poor modeling of atmospheric convective systems — the vertical transport of heat and moisture in the atmosphere.

The team used DayCent, an ecosystem modeling tool that tracks the carbon cycle, plant growth, and how growth responds to weather, climate and other factors at a local scale.

Dr Dudok de Wit's team at the International Space Science Institute in Bern, and the Coupled Model Intercomparison Project, have been using the datasets identified through the network to describe the Sun's influence on climate from 1850 up to the present day, as well as a forecast up to the year 2300.

Noting that the timing of KD outbreaks in Japan coincides with certain wind patterns from Asia, climate scientist Xavier Rodó, PhD, and colleagues at the Catalan Institution for Research and Advanced Studies and the Catalan Institute of Climate Sciences, both in Barcelona, used computer models to simulate air currents and airborne particle transport for all days since 1977 with high numbers of KD cases in Japan, based on data compiled by Yoshikazu Nakamura, MD, and colleagues at Jichi Medical University inclimate scientist Xavier Rodó, PhD, and colleagues at the Catalan Institution for Research and Advanced Studies and the Catalan Institute of Climate Sciences, both in Barcelona, used computer models to simulate air currents and airborne particle transport for all days since 1977 with high numbers of KD cases in Japan, based on data compiled by Yoshikazu Nakamura, MD, and colleagues at Jichi Medical University inClimate Sciences, both in Barcelona, used computer models to simulate air currents and airborne particle transport for all days since 1977 with high numbers of KD cases in Japan, based on data compiled by Yoshikazu Nakamura, MD, and colleagues at Jichi Medical University in Japan.

«It's an evolution in our ability to use climate models to make predictions, particularly on timescales of a few decades,» says McKinley, also an affiliate of the Center for Climatic Research at UW - Madison's Nelson Institute for Environmental Studies.

Lead author William Taylor, a postdoctoral research fellow at the Max Planck Institute for the Science of Human History, says that this model «enables us for the first time to link horse use with other important cultural developments in ancient Mongolia and eastern Eurasia, and evaluate the role of climate and environmental change in the local origins of horse riding.»

The researchers developed a novel approach to the issue by using climate data from the IPCC and directly modeling all of the components that cause flooding at the coast including, waves, tides, winds blowing over the surface of the ocean and estuaries, precipitation, and stream flow.

Doherty and her colleagues used a compilation of dozens of climate models to look at the life span of atmospheric black carbon.

The group has already begun a follow - up study, looking at sediment from Indonesia's Lake Towuti to develop data that can be used to further improve models of climate and water cycling for the region.

Subsequently cited in 54 papers, the Science study showed that even using the lower end of 23 climate models suggested that in the tropics at the end of the century, «the hottest seasons on record will represent the future norm in many locations,» with the devastating impacts on wheat and rice yields.

Using climate models to understand the physical processes that were at play during the glacial periods, the team were able to show that a gradual rise in CO2 strengthened the trade winds across Central America by inducing an El Nino - like warming pattern with stronger warming in the East Pacific than the Western Atlantic.

Scientists have developed and used Global Climate Models (GCMs) to simulate the global climate and make projections of future AT and other climatic variables under different carbon emission scenarios in the 21st cClimate Models (GCMs) to simulate the global climate and make projections of future AT and other climatic variables under different carbon emission scenarios in the 21st cclimate and make projections of future AT and other climatic variables under different carbon emission scenarios in the 21st century.

Using the Discover supercomputer operated by the NASA Center for Climate Simulation at Goddard, the SMACK - driven Beta Pictoris model ran for 11 days and tracked the evolution of 100,000 superparticles over the lifetime of the disk.

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.

The study, published online today in Nature Communications, used sophisticated climate model simulations to show that El Niño tends to peak during the year after large volcanic eruptions like the one at Mount Pinatubo in the Philippines in 1991.

Colgan's team used two different combinations of regional and global climate models to estimate how conditions might change at the camp's location in the future.

The international team used ECHAM5 - HAM, an aerosol climate model, which was originally developed at the Max Planck Institute for Meteorology in Hamburg.

For that half of the sun - blocking equation, Bergin turned to Drew Shindell, professor of climate sciences at Duke and an expert in using the NASA GISS Global Climateclimate sciences at Duke and an expert in using the NASA GISS Global ClimateClimate Model.

By using climate models to simulate what air pollution was like in 1850 and 2000, Jason West at the University of North Carolina at Chapel Hill and his colleagues have estimated its effect on current death rates.

The positions of the sulfate peaks in both northern and southern hemisphere ice cores at the start of the ∼ 1,000 y stadial between Dansgaard - Oeschger events 19 and 20 has been widely used within climate models (9, 14) and archaeological debate (12, 13, 19) to infer that the Toba eruption triggered devastating global cooling.

This study is focused on three specific aspects: to assess the impact of vegetation density on energy efficiency of a roof located at a Mediterranean coastal climate; develop a simplified numeral model that can estimate thermal resistance values equivalent to plants and substrates, and finally, to verify the numerical model by using experimental data.

Using the National Computational Infrastructure supercomputer at ANU to run climate models, the researchers explored when new normal states would appear under the Intergovernmental Panel for Climate Change's four emissions paclimate models, the researchers explored when new normal states would appear under the Intergovernmental Panel for Climate Change's four emissions paClimate Change's four emissions pathways.

A second, independent study using a simpler climate model by Tom Wigley, another climatologist at NCAR, paints the same bleak picture.

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

A team at the University of Oxford in the UK, led by Myles Allen and Friederike Otto, used thousands of iterations of regional climate models embedded within larger global models to examine more localized weather events.

«This work was a foundational reference case for the recently released RCP4.5 model scenario, one of four scenarios that will be used by modeling groups around the globe to make realistic projections of future climate change,» said Dr. Steven J. Smith, scientist at the Joint Global Change Research Institute, a partnership between PNNL and the University of Maryland, and lead research author.

Abstract: Models investigating the effects of climate change and human - led land - use change on biodiversity have arrived at alarming conclusions, with the worst case scenarios suggesting extinction rates at such a level as to constitute a sixth mass extinction event in the earth's history.

Using thus 10 different climate models and over 10,000 simulations for the weather@home experiments alone, they find that breaking the previous record for maximum mean October temperatures in Australia is at least six times more likely due to global warming.

What's Next: PNNL scientists are using a regional model at a much finer scale than conventional climate models to understand the processes that determine the time - scales of MJO and the roles of various types of clouds in its energy cycle.

Now, scientists at Pacific Northwest National Laboratory, Caltech and Lancaster University have established a technique using climate models to compare the factors to the effects they have on climate change by peering into climate models from a different angle.

Why it matters: Current global climate models used to predict climate change account for large - scale climate processes, typically at scales greater than 100 kilometers, or about 62 miles.