Sentences with phrase «using global climate models»

But the new work shows no clear change in the overall numbers of such storms when run on future climates predicted using global climate models.

There are also some detection — attribution studies using global climate models that suggest there was a detectable influence of solar variability in the first half of the twentieth century and that the solar radiative forcing variations were amplified by some mechanism that is, as yet, unknown.

Using global climate models, the researchers mapped current and projected future «wet - bulb» temperatures, which reflect the combined effects of heat and humidity (the measurement is made by draping a water - saturated cloth over the bulb of a conventional thermometer; it does not correspond directly to air temperature alone).

Using global climate models and the various IS92 emissions scenarios, the SAR projected the future average global surface temperature change to 2100 (Figure 4).

Studies of climate change using global climate models with a focus on changes in the hydrological cycle.

Using global climate models is a way that scientists can size up climate outcomes using inputs of historical measurements and estimates of future conditions, depending on whether greenhouse gases are held steady, increase, or decline.

Using global climate models and NASA satellite observations of Earth's energy budget from the last 15 years, the study finds that a warming Earth is able to restore its temperature equilibrium through complex and seemingly paradoxical changes in the atmosphere and the way radiative heat is transported.

There are more than a dozen widely used global climate models today, and despite the fact that they are constantly being upgraded, they have already proved successful in predicting seasonal rainfall averages and tracking temperature changes.

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.

Using a global climate model, a team led by Princeton University researchers measured how severely heat waves interact with urban heat islands, now and in the future, in 50 American cities across three climate zones.

Ballantyne and coauthors from Northwestern University, the University of Colorado and the National Center for Atmospheric Research used a global climate model to investigate the amplification of Arctic temperatures in Earth's past.

Elisabetta Pierazzo of the Planetary Science Institute in Tucson, Arizona, and colleagues used a global climate model to study how water vapour and sea salt thrown up from an impact will affect ozone levels for years after the event.

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 century.

The goal of the Integrated Scenarios project is to use the global climate models to describe as accurately as possible what the latest science says about the Northwest's future climate.

A recent meta - analysis published in the journal Nature Climate Change, by Challinor et al. (2014) examines 1,722 crop model simulations, run using global climate model output under several emissions scenarios, to evaluate the potential effects of climate change and adaptation on crop yield.

Using a global climate model coupled with an ocean and a sea - ice model, we compare the effects of doubling CO2 and halving CO2 on sea - ice cover and connections with the atmosphere and ocean.

Nature also published a supporting companion article by the late Dr. Stephen Schneider, who used a global climate model to create a futuristic scenario that if CO2 doubled it «could» raise the clouds and «perhaps» cause a harmful drying effect.

We use global climate model simulations to estimate the distribution of ecologically - relevant climate changes resulting from forest loss in two hotspot regions: western North America (wNA), which is experiencing accelerated dieoff, and the Amazon basin, which is subject to high rates of deforestation.

Using a global climate model they show that the adjusted troposphere and stratosphere radiative forcing is consistent with the stratospheric adjusted forcing for more uniform forcings such as doubling CO2 and solar constant changes.

Using global climate model simulations that replicated the ocean basins and landmasses of this period, it appears that changes in ocean circulation due to warming played a key role.

Not exact matches

For projections of future temperature and precipitation during the near future (2021 - 2050) and the far future (2071 - 2100), the researchers used 11 different global climate models.

They used this data compilation to evaluate the quality of their regional atmospheric climate model, based on global climate projections that included several scenarios of anticipated climate change.

Previous research has suggested a connection between coal - burning and the Sahel drought, but this was the first study that used decades of historical observations to find that this drought was part of a global shift in tropical rainfall, and then used multiple climate models to determine why.

Using multiple climate models and hundreds of terabytes of data, NASA has projected global temperatures and rainfall around the world from 2050 until 2100.

The goals of the project include reconstructing extreme climate changes from the recent past (1894 - 2014), using historically referenced data to assess near - future global climate model projections, and to ultimately use this analysis to investigate ecological problems in Chesapeake Bay, such as eelgrass diebacks.

Smith and his former research assistant Andrew Mizrahi used a PNNL computer model, the Global Change Assessment Model, or GCAM, to evaluate the impact of reducing soot and methane emissions on Earth's climodel, the Global Change Assessment Model, or GCAM, to evaluate the impact of reducing soot and methane emissions on Earth's cliModel, or GCAM, to evaluate the impact of reducing soot and methane emissions on Earth's climate.

Three approaches were used to evaluate the outstanding «carbon budget» (the total amount of CO2 emissions compatible with a given global average warming) for 1.5 °C: re-assessing the evidence provided by complex Earth System Models, new experiments with an intermediate - complexity model, and evaluating the implications of current ranges of uncertainty in climate system properties using a simple model.

The model has already been integrated into the next generation of the global land model used for climate simulations by the NOAA Geophysical Fluid Dynamics Laboratory, a major national climate modeling center.

«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.

The next step, Fabel says, is to use climate models to see whether the events would replay themselves if global warming shuts down the Atlantic conveyor once again.

Climate models, it says, «can neither confirm that global warming is occurring now, or predict future climate changes», and yet «have been used to frame the debate&Climate models, it says, «can neither confirm that global warming is occurring now, or predict future climate changes», and yet «have been used to frame the debate&climate changes», and yet «have been used to frame the debate».

Traditionally, the United States and other countries have used satellites to measure emissions in a general way, to be used in global climate models.

«Being based on climate records, this approach avoids any biases that might affect the sophisticated computer models that are commonly used for understanding global warming.»

So it is not surprising that while the inure than a dozen major global climate models in use around the world tend to agree on the broadest phenomena, they differ wildly when it comes to regional effects.

To model a world of ebbing and flowing burns, Krawchuk took historic fire data then mapped it forward using 16 models of changing climates from 2010 on, what the Intergovernmental Panel on Climate Change calls global climate modelsClimate Change calls global climate modelsclimate models (GCM).

Although computer models used to project climate changes from increasing greenhouse gas concentrations consistently simulate an increasing upward airflow in the tropics with global warming, this flow can not be directly observed.

«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.»

If only modest action is taken to reign in greenhouse gas emissions, the model predicts that pikas will disappear from about 75 percent of sites by 2070 (51 to 88 percent, depending on the global climate model used).

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.

For assessing the global ocean - carbon sink, McKinley and her co-authors from the National Oceanic and Atmospheric Administration (NOAA) Pacific Marine Environmental Laboratory, NCAR and the University of Colorado Boulder used the model to establish a long - running climate scenario from historical data.

A team of scientists from Vanderbilt and Stanford universities have created the first comprehensive map of the topsy - turvy climate of the period and are using it to test and improve the global climate models that have been developed to predict how precipitation patterns will change in the future.

David Thomas of the University of Oxford and his colleagues investigated what might happen to the immense dune fields in southern Africa over the coming years using three global climate models.

To inform its Earth system models, the climate modeling community has a long history of using integrated assessment models — frameworks for describing humanity's impact on Earth, including the source of global greenhouse gases, land use and land cover change, and other resource - related drivers of anthropogenic climate change.

In his PhD dissertation, he developed a global rapid loss estimation model for earthquake, using empirical data from over 8000 earthquakes since 1900 and the associated socioeconomic climate over time.

The researchers showed that the climate change models used by the IPCC underestimate Africa's emissions, which could account for 20 - 55 % of global anthropogenic emissions of gaseous and particulate pollutants by 2030.

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.

They used the Community Earth System Model, funded primarily by the Department of Energy and NSF, to simulate global climate as well as atmospheric chemistry conditions.

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.

Meehl and his colleagues used two sophisticated computer models of global climate to predict what would happen under various scenarios for greenhouse gas emission controls, taking into account the oceanic time lag.

Using climate models and data collected about aerosols and meteorology over the past 30 years, the researchers found that air pollution over Asia — much of it coming from China — is impacting global air circulations.