Sentences with phrase «global climate models predict»

At one end of the spectrum, if we remain on the BAU path, and all available credible evidence implies that we will, the global climate models predict we will experience global mean temperature increases on the order of 5 C by the end of the century.
Did any of the IPCC global climate models predict the record high Antarctic sea ice that we have seen this year?
Second, as I have posted previously in the last month or so, the global climate models predict that, with BAU, we are headed for ~ 5 C by the end of the century.
Over the past 34 years, rainfall in Uganda has decreased by about 12 percent even though many of the global climate models predict an increase in rainfall for the area, according to an international team of researchers.
Global climate models predict that already - wet regions, such as the northeastern United States, will get even wetter by the end of the century if carbon dioxide levels reach 717 parts per million.

Not exact matches

Climate models predict that as global temperatures rise over the next seven decades, subtropical regions like the American Southwest will get drier, while more northern areas, including much of Canada, will get wetter.
These high - resolution projections, based on global climate models, predict when and where annual coral bleaching will occur.
No model, however, has predicted the global warming hiatus which climate researchers have observed since the turn of the millennium.
If global warming causes strong storms to grow even more fierce, as some climate models predict, that could trigger a self - feeding cycle that unleashes still more heat - trapping CO2 into the atmosphere.
«The broader idea is that we must understand and include the effects of forest loss when modeling global climate and trying to predict how climate will change in the future,» said Swann.
But climate models predict reductions in dissolved oxygen in all oceans as average global air and sea temperatures rise, and this may be the main driver of what is happening there, she says.
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 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.
A U.S. Forest Service (USFS) study found that between 53 and 97 percent of natural trout populations in the Southern Appalachian region of the U.S. could disappear due to warmer temperatures predicted by global climate change models.
The resulting outburst of methane produced effects similar to those predicted by current models of global climate change: a sudden, extreme rise in temperatures, combined with acidification of the oceans.
These models currently predict that as a result of today's global climate change, Antarctica will warm twice as much as the rest of the planet, though it won't reach its peak for a couple of hundred years.
Hertel and doctoral student Uris Baldos developed a combination of economic models — one that captures the main drivers of crop supply and demand and another that assesses food security based on caloric consumption — to predict how global food security from 2006 to 2050 could be affected by changes in population, income, bioenergy, agricultural productivity and climate.
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».
They then compared those results with predicted isotope distributions derived from a global climate model.
James Hansen, director of NASA's Goddard Institute for Space Studies in New York City and a vociferous advocate for lowering global greenhouse gas emissions, was chosen for his work modeling Earth's climate, predicting global warming, and warning the world about the consequences.
By understanding how these fishes evolved, by understanding how we got from the past to the present, we can create a model for predicting what's going to happen as global climates change, as deforestation continues, and all of these aquatic habitats change.
«When we look forward several decades, climate models predict such profound loss of Arctic sea ice that there's little doubt this will negatively affect polar bears throughout much of their range, because of their critical dependence on sea ice,» said Kristin Laidre, a researcher at the University of Washington's Polar Science Center in Seattle and co-author of a study on projections of the global polar bear population.
«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).
With aggressive action to reduce greenhouse gases, the model predicts that only about 51 percent of sites will suffer local extinction (39 to 79 percent, depending on the global climate model).
Climate models predict that as the world warms, heat in inner Asia will continue to rise substantially faster than the global mean.
Consequences of global sea level rise could be even scarier than the worst - case scenarios predicted by the dominant climate models
Still, the increase is about what's predicted by computer models of global climate.
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.
Instrumental measurements are also too short to test the ability of state - of - the - art climate models to predict which regions of the hemisphere will get drier, or wetter, with global warming,» says Charpentier Ljungqvist.
«The scientific community is only beginning to understand what it would mean for global climate should this trend continue, as predicted by some climate models
«Climate changes predicted by the global circulation models would cause several percent of the Mexican population to move north [if] all other factors are held constant.»
The Intergovernmental Panel on Climate Change, an international organization created by the United Nations that produces climate change models, has predicted that sea levels could rise as much as 21 feet (6.4 meters) in the next century if global warming continues unClimate Change, an international organization created by the United Nations that produces climate change models, has predicted that sea levels could rise as much as 21 feet (6.4 meters) in the next century if global warming continues unclimate change models, has predicted that sea levels could rise as much as 21 feet (6.4 meters) in the next century if global warming continues unabated.
The consequences of global sea level rise could be even scarier than the worst - case scenarios predicted by the dominant climate models, which don't fully account for the fast breakup of ice sheets and glaciers, NASA scientists said today (Aug. 26) at a press briefing.
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.
Past calculations of the cooling effect of aerosols have been inferred from «missing» global warming predicted by climate models.
The models used to predict future global warming can accurately map past climate changes.
But how well are those changes predicted in global climate models today?
«Current global climate models have failed to predict the rapid Arctic warming, and clouds are one of the largest uncertainties.
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.
«Our study indicates that climate models might have a more limited ability to predict which regions will get drier and which regions will get wetter with global warming than previously assumed.»
Over the past two decades, the global warming predicted by climate models has mostly failed to materialize.
Nevertheless, the results described here provide key evidence of the reliability of water vapor feedback predicted by current climate models in response to a global perturbation in the radiative energy balance.»
Unprecedented amounts of greenhouse gases (at least over the last few hundred thousand years) continue to accumulate in the atmosphere and the global climate (land surface, ocean, glaciers, stratosphere) continues to respond as predicted by theory and models.
There will undoubtedly also be a number of claims made that aren't true; 2008 is not the coolest year this decade (that was 2000), global warming hasn't «stopped», CO2 continues to be a greenhouse gas, and such variability is indeed predicted by climate models.
My simple regression - based statistical climate model predicts global carbon dioxide, surface temperature & sea level at yearly time steps.
All of the models ca 2007 that the IPCC used to forecast climate change predicted a steady increase in temperature (based, as they were, on the assumption that CO2 is the primary driver of temperature) and yet global temperatures have remained essentially flat since then.
Even if the study were right... (which it is not) mainstream scientists use * three * methods to predict a global warming trend... not just climate computer models (which stand up extremely well for general projections by the way) under world - wide scrutiny... and have for all intents and purposes already correctly predicted the future -(Hansen 1988 in front of Congress and Pinatubo).
Global Warming: Computer models used by environmentalists predict imminent and disastrous climate change.
Take some representative set of climate models predicting the climate at the end of the 21st century given some scenario of emissions (for example the 20 models in the archive established by IPCC for the 4th assessment) and compute this global measure of local impact.
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