Sentences with phrase «models of future climate»

Gavin Schmidt, a NASA climatologist who was not part of the study, said the data collected could be used to fine - tune computer models of future climate change.
Using computer models of future climate change and analyzing tree - ring growth patterns, the study found that the latter half of this century is likely to be drier than at any time in the past 1,000 years.
But models of future climate tend to predict the opposite, so the question is, are the trends in non-SST variables related to AGW or natural?
The study may help predict how drought - induced tree mortality fits into models of future climate change, Anderegg said.
Models of future climate scenarios have taken insufficient account of population patterns and trends, according to a UCL review to be published in the print edition of The Lancet in November 2013.
Mission leaders were relieved and eager to begin their studies of cloud and haze effects, which «constitute the largest uncertainties in our models of future climate — that's no exaggeration,» says Jens Redemann, an atmospheric scientist at NASA's Ames Research Center in Mountain View, California, and the principal investigator for ObseRvations of Aerosols above CLouds and their IntEractionS (ORACLES).
Polar latitudes hold secrets into the earths's past climate, secrets Berry Lyons believes may provide insights into the implications of greenhouse gases in the atmosphere and better models of future climate change.
In a statement issued Wednesday, he noted: «This marks the first instance of a species being listed based upon a computer model of future climate from the United Nations Intergovernmental Panel on Climate Change.
Long - term natural variability has implications for the modeling of future climate changes, on the scale of decades to centuries.
Therefore, reliable, very - long - term modelling of future climate states is unattainable a priori.
To be predictive, any model of future climate should also accurately model known climate and greenhouse gas variations recorded in the geologic history of the past 200,000 years.

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.
The new proposed model could allow a better quantification of the impacts that will likely occur under changing climate and could be considered in future ocean resources and land use management.
Climate models are complex numerical models based on physics that amount to hundreds of thousands, if not millions, of lines of computer code to model Earth's past, present and future.
A better understanding of the heating distributions required to robustly simulate strong MJOs in climate models will improve insights into the dynamics of the climate system and projections of future climate.
The Blue Brain Project Scientists rely on computer models to understand the toughest concepts in science: the origin of the universe, the behavior of atoms, and the future climate of the planet.
The scientists then plugged the future climate estimates from each of the 11 models into the VIC model to generate projected groundwater recharge scenarios.
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.
Therefore, also changes in land cover should be represented in climate models for projections of future climate,» concludes Francesco S.R. Pausata.
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.
With global climate models projecting further drying over the Amazon in the future, the potential loss of vegetation and the associated loss of carbon storage may speed up global climate change.
A step that could improve climate models A better understanding of how the atmosphere and the oceans communicate and exchange things like CO2 can also help improve climate models and predictions of the future.
Even if the near future doesn't unfold like the 2004 climate - gone - haywire film The Day After Tomorrow, scientists need to be able to produce accurate models of what abrupt change (more likely spanning hundreds or thousands or years, rather than days) would look like and why it might occur, explains Zhengyu Liu, lead author of the study and director of the University of Wisconsin — Madison's Center for Climate Reclimate - gone - haywire film The Day After Tomorrow, scientists need to be able to produce accurate models of what abrupt change (more likely spanning hundreds or thousands or years, rather than days) would look like and why it might occur, explains Zhengyu Liu, lead author of the study and director of the University of Wisconsin — Madison's Center for Climate ReClimate Research.
The first is the development of a comprehensive, closely coordinated ensemble of simulations from 18 modeling groups around the world for the historical and future evolution of the earth's climate.
This critical question is addressed using simulations from climate models based on projections of future emissions of greenhouse gases and aerosols.
Modeling future climate scenarios is a notoriously tricky science, involving wide margins of uncertainty, myriad variables and a profusion of data.
However, a number of studies have indicated that climate models underestimate the loss of Arctic sea ice, which is why the models might not be the most suitable tools to quantify the future evolution of the ice cover.
Future field experiments that can manipulate all three conditions at once will lead to better models of how long - term climate changes will affect ecosystems worldwide.
«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.
Climate models and the latest IPCC data reveal four possible futures for global population, economy and environment at the end of this century
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.
These same models are then used to simulate the future climate of our planet.»
Using data from several sources on 162 terrestrial animals and plants unique (endemic) to the Albertine Rift, the researchers used ecological niche modeling (computer models) to determine the extent of habitat already lost due to agriculture, and to estimate the future loss of habitat as a result of climate change.
«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.
Current climate change models indicate temperatures will increase as long as humans continue to emit greenhouse gases into the atmosphere, but the projections of future precipitation are far less certain.
One positive finding of the ecological niche modelling study is that while the ranges of many species are expected to contract, much of the remaining suitable habitat for many species will be located within existing protected areas, and that the recent creation of new reserves such as Itombwe and Kabobo in the Democratic Republic of Congo, have greatly increased the protection of some species under threat by future climate change.
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.
The uncertainty associated with future climate projections linked to economic possibilities of what people will do is far larger than the uncertainty associated with physical climate models.
To better plan for potential effects due to climate change, scientists using the North American Breeding Bird Survey and Audubon Christmas Bird Count employed correlative distribution modeling, to assess geographic range shifts for nearly 600 North American bird species during both the breeding and non-breeding seasons under a range of future climate change scenarios through the end of the century.
The researchers then used a mathematical model that combined the conflict data with temperature and rainfall projections through 2050 to come up with predictions about the likelihood of climate - related violence in the future.
Using a hierarchical model, the authors combine information from these various sources to obtain an ensemble estimate of current and future climate along with an associated measure of uncertainty.
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.
To weigh the net impacts of tropical storms, the scientists used a computer model predicting future climates and the possibilities of storms.
«Prior analyses have found that climate models underestimate the observed rate of tropical widening, leading to questions on possible model deficiencies, possible errors in the observations, and lack of confidence in future projections,» said Robert J. Allen, an assistant professor of climatology in UC Riverside's Department of Earth Sciences, who led the study.
That means existing climate change models predicting the effects of rising temperatures and heat stress on maize may be counting on yield boosts that aren't coming, and overestimating how much our corn fields will yield in the future.
Using sophisticated atmospheric and climate models, the researchers estimated the levels of PM2.5 directly attributable to wildfires during a recent six - year period, 2004 to 2009, as well as under projected future climate change conditions (2046 - 2051).
For the study «Doubling of coastal erosion under rising sea level by mid-century in Hawaiʻi,» published this week in Natural Hazards, the research team developed a simple model to assess future erosion hazards under higher sea levels — taking into account historical changes of Hawaiʻi shorelines and the projected acceleration of sea level rise reported from the Intergovernmental Panel on Climate Change (IPCC).
In the future, Gettelman thinks more accurate risk models will be needed to back up climate models, ultimately showing the accumulating dangers of consolidating societies on coastal shores.
«We're trying to understand how what we're doing to the Earth's atmosphere and oceans will play out in the future,» says Bette Otto - Bliesner, who runs a full - complexity climate model — and its 1.5 million lines of code — through a supercomputer named Yellowstone at the National Center for Atmospheric Research in Boulder.
Coumou has taken the story forward, analyzing existing climate models to track the future of eddy kinetic energy over the 21st century.
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