Sentences with phrase «most climate models predicted»

Most climate models predicted that trend would continue, as humans continued to pump greenhouse gases into the atmosphere.
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.
His initial findings showed a lesser degree of warming than most climate models predict, leading him to question those models.
«It is important to understand these changes because most climate models predict tropical forests may be under stress due to increasing severe water shortages in a warmer and drier 21st century climate,» said Liming Zhou, of Albany State University of New York.

Not exact matches

Nadeau also studies the potential impacts of climate change on species around the globe, using modeling, field observation and experiments to predict where species are most vulnerable and determine how conservation groups can best mitigate the negative impacts of climate change on animal populations.
Most current climate models predict what will happen when the concentration of CO2 in the atmosphere reaches twice preindustrial levels, or some 1.2 trillion tonnes of carbon.
Cynthia Rosenzweig, a researcher based at Goddard, has been using crop - growth computer models to predict effects of carbon dioxide buildup and climate change on wheat, the most widely cultivated crop in the world.
«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.»
Most current models of forests under climate change can not predict when or where forests might die from temperature and drought stress.
Worse, climate models predict that the areas where marine preserves are most prevalent — coastal regions in the northern hemisphere — will see greater increases in temperature than the oceans as a whole, Halpin said.
They then looked at 11 different climate models that predict precipitation and CAPE through this century and are archived in the most recent Coupled Model Intercomparison Project (CMIP5).
Newell's model projected that the effects of climate change would not be as severe as most scientists were predicting.
These and most other similar large - scale assessments are based primarily on species distribution (bioclimatic envelope) models, which use correlations between species» observed distributions and climate variables to predict their distributions and hence their extinction risk under future climate scenarios [9]--[11].
If climate sensitivity was much lower than most models predict then adaptation would be a logical political response.
But what the GSL now says is that geological evidence from palaeoclimatology (studies of past climate change) suggests that if longer - term factors are taken into account, such as the decay of large ice sheets, the Earth's sensitivity to a doubling of CO2 could itself be double that predicted by most climate models.
Here's my uneducated question — while I respect Gavin's comments about not abusing the science, it seems to me that many measurable indicators of climate change are (to the extent I can tell) occurring / progressing / worsening faster than predicted by most models, whether we're talking about atmospheric CO2 levels, arctic ice melting, glacial retreat, etc..
The scientific community has also known for some time that the predicted future global warming in most climate models (more than 2 degrees C.) would probably be well above the long - term average temperature present at any time during the Holocene.
The pace of ice loss — both its extent and the amount of the older, thicker ice that survives from summer to summer — has been faster than most models predicted and clearly has, as a result, unnerved some polar researchers by revealing how much is unknown about ice behavior in a warming climate.
Additionally, unlike most other ducks Audubon's climate model predicts that this species» winter range will contract, and by over one half.
Empirical scientists should be alarmed that while the most commonly quoted climate models predict a global temperature increase of 3C per century over this time, it is not happening.
Writing up their findings in the Journal of Climate, the scientists have noted that the «greatest weakness» of most climate prediction models, namely their comprehension of the significance of clouds, may be in «the one aspect that is most crucial for predicting the magnitude of global warming&Climate, the scientists have noted that the «greatest weakness» of most climate prediction models, namely their comprehension of the significance of clouds, may be in «the one aspect that is most crucial for predicting the magnitude of global warming&climate prediction models, namely their comprehension of the significance of clouds, may be in «the one aspect that is most crucial for predicting the magnitude of global warming».
In contrast to Trenberth's 2015 lament that atmospheric circulation patterns are not robustly simulated by CO2 - driven climate models, predicting storm tracks and blocking are the most critical factors for providing early warnings.
The most obvious being Antarctic sea ice has not declined as all climate models predicted, but sea ice has now reached record extent.
Even in «low emission» climate scenarios (forecasts that are based on the assumption that future carbon dioxide emissions will increase relatively slowly), models predict precipitation may decline by 20 - 25 percent over most of California, southern Nevada, and Arizona by the end of this century.
Most of the world's Anhingas live in Latin America, though, so data from those regions will be needed to make broad predictions about overall future numbers or potential colonization of the predicted expansion of summer range based on Audubon's climate model in the southern United States.
One of the most controversial issues emerging from the recent Intergovernmental Panel on Climate Change (IPCC) Fifth Assessment Report (AR5) is the failure of global climate models to predict a hiatus in warming of global surface temperatures sincClimate Change (IPCC) Fifth Assessment Report (AR5) is the failure of global climate models to predict a hiatus in warming of global surface temperatures sincclimate models to predict a hiatus in warming of global surface temperatures since 1998.
«That is, show me a model where I can input a historical data set that terminates in 1900 and have it accurately predict, to a statistically significant degree, most of the climate happenings up through 2000.»
However, most of the current Earth system models that predict climate change and C cycle feedbacks lack both a mechanistic formulation for height - structured competition for light and an explicit scaling from individual plants to the globe.
Such damage is already more common than most climate models had predicted, with the boreal belt especially hard hit.
As is the case with most climate models, they under - predicted the ensuing decline (Figure 8).
In a comparison of 17 computer models of world climate, all predict global warming will kick in over Antarctica, and most indicate temperatures in the interior of the continent will rise faster than in the rest of the world, said Dr. Benjamin D. Santer, an atmospheric scientist at Lawrence Livermore National Laboratory.
While it is true that most of the CO2 - caused warming in the atmosphere was there before humans ever started burning coal and driving SUVs, this is all taken into account by computerized climate models that predict global warming...
Although climate models have been predicting increasing average global temperatures over the next century or so, the past decade has not shown as much warming as most scientists had expected.
What Brown and Caldeira have contributed is a look at the large set of climate models that are used for climate forecasting, and which of the set were the most successful at predicting present conditions given conditions in recent times.
The observation are true even though they were not predicted by most climate models.
A major scientific study conducted at the University of Reading on the interactions between aerosols and clouds is much weaker than most climate models assume, meaning the planet could warm way less than predicted.
Along the way, the vegetation will relinquish more trapped carbon than most current climate models predict.
Carbon feedbacks however are very slow - most AR4 models assumed them to be zero for purposes of predicting climate 100 years in advance.
On the Guardian's forums, you'll find endless claims that the hockey stick graph of global temperatures has been debunked; that sunspots are largely responsible for current temperature changes; that the world's glaciers are advancing; that global warming theory depends entirely on computer models; that most climate scientists in the 1970s were predicting a new ice age.
They then looked at 11 different climate models that predict precipitation and CAPE through this century and are archived in the most recent Coupled Model Intercomparison Project (CMIP5).
Most studies on ice predictability have used a perfect - model approach, in which a climate model is used to predict conditions simulated by that model, and have focused on seasonal to interannual predictability (e.g., Holland et al., 2011; Blanchard - Wrigglesworth et al., 2011; Chevallier and Salas - Melia, 2012).
These results indicate that the cloud changes most consistently predicted by global climate models are currently occurring in nature.
Geological evidence from studies of past climate change now suggests that if longer term factors are taken into account, such as the decay of large ice sheets and the operation of the full carbon cycle, the sensitivity of the Earth to a doubling of CO2 could be double that predicted by most climate models.
Global Climate Models (GCMs) generally agree that warming due to increased greenhouse gas concentrations is predicted to be most intense in high latitudes.
The thing I still miss most is a question: «What does it take to be able to say that a model is qualified to predict the response of climate to ghg emission scenarios over a century?»
All the current climate models predict an increasing temperature with most models having a default 1 or 2 years out of 20 where they will allow a dip to make the model seem more natural.
On the Guardian's forums, you'll find endless claims that thehockeystick graph of global temperatures has been debunked; that sunspots are largely responsible for current temperature changes; that the world's glaciers are advancing; that global warming theory depends entirely on computer models; that most climate scientists in the 1970s were predicting a new ice age.
Sohl and her colleagues are taking global climate models — the ones most people use to predict where our planet is heading in the future — and modifying them to study where our planet has been in the past.
The most accurate climate change models predict the most alarming consequences, study finds (Washington Post, Dec. 6, 2017)
Unlike many who are commenting on the topic, I have actually read most of the IPCC AR4 (painful as that was), and came to the same conclusion as Lucia: that the IPCC said the climate models predicted a hot spot in the mid-troposphere, and that this hot spot was a unique fingerprint of global warming («fingerprint» being a particularly popular word among climate scientists).
a b c d e f g h i j k l m n o p q r s t u v w x y z