Sentences with phrase «climate warming models»

Not exact matches

Spencer analyzed 90 climate models against surface temperature and satellite temperature data, and found that more than 95 percent of the models «have over-forecast the warming trend since 1979, whether we use their own surface temperature dataset (HadCRUT4), or our satellite dataset of lower tropospheric temperatures (UAH).»

Any carbon dioxide emissions that may contribute to global warming — and recent climate modelling puts earlier scary predictions into question — have plateaued.

On another note, for summer wearing in warm climates, Baby K'Tan also offers an even more flexible model called the «Breeze», where half of the loop is made of a cool easy - breathing mesh fabric, and the other half is made of cotton, allowing you to turn the loops depending on the weather conditions!

We really like the 4 - panel canopy of this model that's so useful for warm climates.

Back then, it said that the planet was warming at a rate of 0.2 C every decade — a figure it claimed was in line with the forecasts made by computer climate models.

However, the recent period of cooling does suggest that either manmade global warming may be smaller or that the impact of other factors may be greater than climate models have so far assumed.

«New Eocene fossil data suggest climate models may underestimate future polar warming.»

In the Department of Meteorology at Stockholm University (MISU), researchers have done a series of model simulations investigating tropical cyclone activity during an earlier warm climate, the mid-Holocene, 6,000 years ago.

KATHARINE HAYHOE is an atmospheric scientist at Texas Tech University, where she studies climate modeling and the regional impacts of global warming.

But all 54 climate models the team examined predicted that this wind will weaken as the world warms.

No model, however, has predicted the global warming hiatus which climate researchers have observed since the turn of the millennium.

When ocean cycle shifts, globe is likely to warm up When climate models were run that included the stronger winds, they were able to reproduce the slowdown in surface temperatures.

If models of Southwestern responses to climate change are correct, Southwest U.S. deserts should get warmer and drier.

However, the gap between the calculated and measured warming is not due to systematic errors of the models, as the skeptics had suspected, but because there are always random fluctuations in Earth's climate.

«Global warming slowdown: No systematic errors in climate models, comprehensive statistical analysis reveals.»

According to Greg Okin, a professor of geography at the University of California, Los Angeles, «Climate models predict that the Southwest should get warmer and drier, and that by 2050 soil moisture could be lower than the US Dust Bowl Era.»

Similar conclusions were reached about impacts of climate change on wheat in the UK, where climate change models are predicting warmer, wetter winters for the country.

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.

When they corrected the error, Wentz and Schabel derived a warming trend of about 0.07 °C per decade, more in line with surface thermometers and climate models.

By improving the understanding of how much radiation CO2 absorbs, uncertainties in modelling climate change will be reduced and more accurate predictions can be made about how much Earth is likely to warm over the next few decades.

«Using a numerical climate model we found that sulfate reductions over Europe between 1980 and 2005 could explain a significant fraction of the amplified warming in the Arctic region during that period due to changes in long - range transport, atmospheric winds and ocean currents.

Climate models simulate real physical processes which operate in both cooling and warming climates.

Recent modelling by researchers from the Potsdam Institute for Climate Impact Research in Germany, as well as studies of past climate, suggest that the planet will soon have warmed enough to melt Greenland's ice sheet entirely — if it hasn't already become warm Climate Impact Research in Germany, as well as studies of past climate, suggest that the planet will soon have warmed enough to melt Greenland's ice sheet entirely — if it hasn't already become warm climate, suggest that the planet will soon have warmed enough to melt Greenland's ice sheet entirely — if it hasn't already become warm enough.

According to the report, climate models consistently estimate that warming will occur faster in the Middle East - North Africa region, accentuating the growing scarcity of water.

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.

Climate models have always offered a range of possible temperature rises, but it turns out the ones that best fit what's happened so far all predict even greater warming

In a recent study, for instance, well - respected climate models were shown to have completely opposing estimates for the overall effect of the clouds and smoke in the southeast Atlantic: Some found net warming, whereas others found cooling.

«Some climate models suggest that under global warming scenarios, ocean oxygen content will decrease,» Johnson says.

Climate models show that if CO2 levels stopped rising now, the world would still warm by a further 0.6 °C.

Global climate models need to account for what Meehl calls «slowly varying systems» — how warmer air gradually heats the ocean, for example, and what effect this warming ocean then has on the air.

Models used to project conditions on an Earth warmed by climate change especially need to consider how the ocean will move excess heat around, Legg said.

«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 study was based on reconstructions and climate modelling of a period of global warming 56 million years ago.

The hot has been long expected as part of global warming theory and appears in many global climate models.

The calculations are in line with estimates from most climate models, proving that these models do a good job of estimating past climatic conditions and, very likely, future conditions in an era of climate change and global warming.

«During last warming period, Antarctica heated up two to three times more than planet average: Amplification of warming at poles consistent with today's climate change models.»

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.

Some climate change deniers have taken encouragement from the pause, saying they show warming predictions are flawed, but Mann, a co-author on the study, notes that «there have been various explanations for why [the slowdown is happening], none of which involve climate models being fundamentally wrong.»

They are running two sets of climate models, one with and one without the effects of humanity's greenhouse gas emissions, to see whether drought in east Africa becomes more likely in a warming world.

The recent slowdown in global warming has brought into question the reliability of climate model projections of future temperature change and has led to a vigorous debate over whether this slowdown is the result of naturally occurring, internal variability or forcing external to Earth's climate system.

«Climate models predict that the Southwest should get warmer and drier,» he says.

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».

It will never be possible to substantiate such a claim about an individual climatic event, but most climate models predict that the frequency and intensity of such events will increase as the world warms.

The research team drew information from huge stream - temperature and biological databases contributed by over 100 agencies and a USGS - run regional climate model to describe warming trends throughout 222,000 kilometers (138,000 miles) of streams in the northwestern United States.

Other researchers have used computer models to estimate what an event similar to a Maunder Minimum, if it were to occur in coming decades, might mean for our current climate, which is now rapidly warming.

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.

«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.»

Integrating geological archives and climate models for the mid-Pliocene warm period.