Sentences with phrase «many of the climate models»

The new study builds on this earlier research, extending the projections globally using a variety of climate models and taking into account future population growth.

Yet some of these recent extremes, such as the summer in March, are way beyond the predictions of our climate models.

In order to improve the predictive power of climate models, it is now crucial to understand the biological processes in the soil better, say the scientists.

Any detailed, careful reading of the climate models includes a great deal of uncertainty.

I once gave a TED talk in New York City along with Wally Broecker, the father of climate modeling and David Keith who coined the term geoengineering.

The team's findings, which are based on real, observed data, mirror the predictions of the climate models.

The ocean's carbon cycle is a vital component of climate models.

Understanding these relationships is crucial to figuring out how to project changes in Andean - Amazonian forests using the next generation of climate models.

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.

The data measured will then help improve the reliability of climate models.

How it works: The program sifts through thousands of climate models provided by researchers, tossing out the nonsense models as it crunches.

Other researchers are pushing the frontiers of climate modeling, simulating how the oceans, atmosphere and land responded as Pliocene temperatures soared.

On March 31 Muller testified in front of Congress and confirmed what mainstream climate scientists had been saying: Earth is warming in line with the projections of climate models.

But calculating the fraction of warming is a far more contentious task, points out climatologist Stephen H. Schneider of Stanford University, because of the inherent uncertainty and variability of climate models.

In their study, the researchers used an ensemble of climate models to simulate the concentrations of ozone and PM2.5 in the years 2000 and 1850.

That's basic physics and chemistry and people who claim that they don't believe that, they don't believe we're warming the planet through increasing CO2 levels because of climate models, they don't understand the fact that you don't need a climate model to come to that conclusion.

«This heating is represented in very different ways in different climate models, and is one of the factors responsible for inconsistency of climate model results,» Jin said.

The theory is controversial; indeed, it challenges the viability of the climate models currently in use.

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

Colin Johnson, an atmospheric chemistry modeller at the Met Office Hadley Centre in Exeter, translates what is happening in the atmosphere into algorithms that form the basis of climate models.

«A challenge for the coming years is to use these kinds of climate models to be able to make predictions about populations and ecosystems in the future.

Upper limits of experience All of the candidate cities — Almaty, Kazakhstan; Beijing, China; Krakow, Poland; Lviv, Ukraine; and Oslo, Norway — will likely be facing temperatures near the upper limits of what each region has experienced in the past 150 years, according to a Daily Climate analysis of climate models constructed by University of Hawaii, Manoa, geographer Camilo Mora and colleagues.

When the scientists compared the output of climate models with a decade of satellite measurements of relative humidity, they found that the models that best reproduced observed conditions were built on the premise that climate sensitivity is relatively high — 7 degrees F or more.

The research used historical data — mainly from North American, Europe and East Asia — and an ensemble of climate models to analyze the past and future risk of various extreme hot, wet and dry events, including the highest daytime and nighttime temperatures, mildest low temperatures, wettest days, and longest dry spells.

The new results will enable us to improve the accuracy of climate models and to better predict future precipitation changes.

The scientists used the latest ensemble of climate models, prepared for the 5th assessement report of the International Panel on Climate Change.

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.

Other researchers agreed in principle, but pointed out that the purpose of climate models is not to prove that the incidence of malaria will increase.

It was amazing to see how our results, when combined with work of many other research groups and compared to the newest generation of climate models, revealed a consistent story about how rainfall patterns were altered in the past.»

This, however, is not the end - all of climate modeling.

The three papers remove a major stumbling block to a scientific consensus, says Benjamin Santer of Lawrence Livermore National Laboratory, lead author of the climate model study.

That could help with projections of climate models and hypotheses of broader changes to the rest of the ecosystem.

The editor - in - chief of the journal Remote Sensing has resigned over the publication of a paper questioning the reliability of climate models.

The challenge is to use this evidence to test and improve the predictive skill of climate models.»

Instead, Collins says that AI algorithms are best suited to help test the next generation of climate models.

Daily snowfall in a range of climate model simulations has recently been made available through the Coupled Model Intercomparison Project — a growing archive of climate modeling output, including snowfall, that modeling centers and researchers around the world contribute to and analyze.

«We're showing the shortcomings of climate models,» says Susan Lozier, a physical oceanographer at Duke University in Durham, North Carolina, who leads the $ 35 million, seven - nation project known as the Overturning in the Subpolar North Atlantic Program (OSNAP).

«These world - first results will have significant impact on the development of climate models around the world,» said one of the study's authors, Prof Andy Pitman, Director of the Australian Research Council's Centre of Excellence for Climate Systems Science at UNSW.

Whatever the reason for shifts, the results demonstrate the importance of climate models accounting for the region's winds.

The world cooled by between 0.3 °C and 0.4 °C following the eruption, in line with the upper range of the predictions of climate models for such a change in the atmosphere's heat balance.

By providing new data on how CO2 cycles through land and ocean plants, HIPPO will allow researchers to improve the accuracy of their climate models and reduce that uncertainty, Stephens said.

In a recent paper titled, «Demarcating circulation regimes of synchronously rotating terrestrial planets within the habitable zone,» my co-authors and I analyze a set of climate model calculations to examine the dependence upon stellar effective temperature of the atmospheric dynamics of planets as they move closer to the inner edge of the habitable zone.

It is a mixture of climate modelling but also uses genetics to understand population history, as well.

Surface temperature from HadCRUT4 (black line) tracks the lower edge of the 5 - 95 % range of climate model projections (grey shading).

The results of the study have broad implications for understanding the earth's surface energy balance and for improving the accuracy of climate models.

This is a novel component of climate modeling, which has to date incorporated human behavior indirectly through economic impacts only.

The Washington assessment is the first to combine such a diverse and detailed set of climate models, fine spatial resolution, and hydrologic modeling into an integrated climate impacts assessment.

Pat argues that it is the general tendency of climate models when forced with exponentially increasing CO2 concentrations (as were the models used in Dr. Covey's CMIP project) to produce a nearly linear temperature rise into the future.

Remember also that (IIRC) one of the predictions of climate models is that warming is likely to result in more extremes of weather?