Sentences with phrase «of change in atmospheric circulation»

In models at least, this kind of response would be most directly related to increases in stratification due to surface warming, as I understand it, and not directly to the kind of change in atmospheric circulation discussed in Dian's paper.
The same might also be said about the NAO regarding repeated claims that the NAO index pressure differences are the cause, rather than the result, of changes in atmospheric circulation, i.e., weather.
One effect of the changes in atmospheric circulation will be faster transfer of heat to the Greenland Ice Sheet.
Full text here: Contribution of changes in atmospheric circulation patterns to extreme temperature trends.

Not exact matches

This «would create a persistent layer of black carbon particles in the northern stratosphere that could cause potentially significant changes in the global atmospheric circulation and distributions of ozone and temperature,» they concluded.
The greening of Sahara strengthens the West African Monsoon, which triggers a change in the atmospheric circulation over the entire tropics, affecting tropical cyclone activity.
Lyon thinks this change in temperatures has altered atmospheric circulation patterns, cutting off the supply of moisture to east Africa (Geophysical Research Letters, DOI: 10.1029 / 2011GL050337).
«But on top of that, changes in atmospheric circulation can favor particular weather conditions associated with heat waves.»
Retreating sea ice in the Iceland and Greenland Seas may be changing the circulation of warm and cold water in the Atlantic Ocean, and could ultimately impact the climate in Europe, says a new study by an atmospheric physicist from the University of Toronto Mississauga (UTM) and his colleagues in Great Britain, Norway and the United States.
«As a result, some atmospheric circulations systems can not be resolved by these models, and this clearly impacts the accuracy of climate change predictions as shown in our study.»
«This emphasizes the importance of large - scale energy transport and atmospheric circulation changes in restoring Earth's global temperature equilibrium after a natural, unforced warming event,» Li said.
In the North Atlantic, more heat has been retained at deep levels as a result of changes to both the ocean and atmospheric circulations, which have led to the winter atmosphere extracting less heat from the ocean.
The researchers warn, however, that the future evolution of the AMO remains uncertain, with many factors potentially affecting how it interacts with atmospheric circulation patterns, such as Arctic sea ice loss, changes in solar radiation, volcanic eruptions and concentrations of greenhouse gases in the atmosphere.
A new analysis using changes in cloud cover over the tropical Indo - Pacific Ocean showed that a weakening of a major atmospheric circulation system over the last century is due, in part, to increased greenhouse gas emissions.
The team analyzed an index of sea surface temperatures from the Bering Sea and found that in years with higher than average Arctic temperatures, changes in atmospheric circulation resulted in the aforementioned anomalous climates throughout North America.
There are strong competing effects such as changes in the large - scale atmospheric circulation, sea surface temperature changes like El Niño and La Niña and the dynamics of westerly storm tracks that all interact at the mid-latitudes,» said Stanford co-author Matthew Winnick who contributed to the study with fellow doctoral student Daniel Ibarra.
They were Jorge Sarmiento, an oceanographer at Princeton University who constructs ocean - circulation models that calculate how much atmospheric carbon dioxide eventually goes into the world's oceans; Eileen Claussen, executive director of the Pew Center for Global Climate Change in Washington, D.C.; and David Keith, a physicist with the University of Calgary in Alberta who designs technological solutions to the global warming problem.
Your statement that «Thus it is natural to look at the real world and see whether there is evidence that it behaves in the same way (and it appears to, since model hindcasts of past changes match observations very well)» seems to indicate that you think there will be no changes in ocean circulation or land use trends, nor any subsequent changes in cloud responses thereto or other atmospheric circulation.
Zhang, X., Sorteberg, A., Zhang, J., Gerdes, R. & Comiso, J. C. Recent radical shifts of the atmospheric circulations and rapid changes in the Arctic climate system.
Changes in Hadley circulation affects convection and thus atmospheric moisture content and cloud cover which may in turn affect net solar heating as well as the transfer of heat from Earth to space.
For the hydrological modelling of the Thames river catchment done at CEH we showed that the changes in atmospheric circulation and precipitation caused higher peak 30 - day river flow, while flood risk mapping revealed a small increase in flood risk for properties in the Thames catchment.
«It's important to determine where we believe that some of the recent trends in circulation could potentially be linked with climate change, rather than just natural variability,» Ted Shepherd, an atmospheric scientist at the University of Reading in the U.K., said in an email.
Wood, R.A., A.B. Keen, J.F.B. Mitchell, and J.M. Gregory, 1999: Changing spatial structure of the thermohaline circulation in response to atmospheric CO2 forcing in a climate model.
As the planet warms from the buildup of greenhouse gases, there may be a change in the atmospheric circulations near the equatorial Pacific Ocean.
Stouffer, R.J., and S. Manabe, 2003: Equilibrium response of thermohaline circulation to large changes in atmospheric CO2 concentration.
The top priorities should be reducing uncertainties in climate sensitivity, getting a better understanding of the effect of climate change on atmospheric circulation (critical for understanding of regional climate change, changes in extremes) and reducing uncertainties in radiative forcing — particularly those associated with aerosols.
Gregory, J.M., et al., 2005: A model intercomparison of changes in the Atlantic thermohaline circulation in response to increasing atmospheric CO2 concentration.
El Niño events consist — very broadly — of an area of warm water in the equatorial Pacific coupled with changes in atmospheric circulation.
Hoerling and Kumar (2003) attributed the drought to changes in atmospheric circulation associated with warming of the western tropical Pacific and Indian oceans, while McCabe et al. (2004) have produced evidence suggesting that the confluence of both Pacific decadal and Atlantic multi-decadal fluctuations is involved.
Included in resource are the following topics: Natural causes of climate change Evidence of climate change Global Warming Causes and effects of climate change Global atmospheric circulation Tropical storms causes, characteristics, location and frequency Causes of EL Nino Effects of the Big Dry Adaptation to drought At the end of the resources are pupil booklets.
So was there a climate shift after the turn of the century involving changes in ocean and atmospheric circulation involving cloud changes?
In a series of papers, we've shown that the warmer temperatures observed over the WAIS are the result of those same atmospheric circulation changes, which are not related to the SAM, but rather to the remote forcing from changes in the tropical Pacific: changes in the character of ENSO (Steig et al., 2012; Ding et al., 2011; 2012In a series of papers, we've shown that the warmer temperatures observed over the WAIS are the result of those same atmospheric circulation changes, which are not related to the SAM, but rather to the remote forcing from changes in the tropical Pacific: changes in the character of ENSO (Steig et al., 2012; Ding et al., 2011; 2012in the tropical Pacific: changes in the character of ENSO (Steig et al., 2012; Ding et al., 2011; 2012in the character of ENSO (Steig et al., 2012; Ding et al., 2011; 2012).
The assessment considered the impacts of several key drivers of climate change: sea level change; alterations in precipitation patterns and subsequent delivery of freshwater, nutrients, and sediment; increased ocean temperature; alterations in circulation patterns; changes in frequency and intensity of coastal storms; and increased levels of atmospheric CO2.
The lag between decreases in sea ice extent during late summer and changes in the mid-latitude atmospheric circulation during other seasons (when the recent loss of sea ice is much smaller) needs to be reconciled with theory.
Global changes of the atmospheric composition and natural circulation changes are in competition to each other in determining the Arctic surface climate.
Trying to infer changes in atmospheric circulation from that data would be a very tricky business — but until know, that's what oceanographers have been stuck with — and the system could use a lot of expansion.
A measure of the difference in sea level pressure between the western (e.g., Darwin, Australia) and central / eastern (e.g., Tahiti) equatorial Pacific, representative of the east - west changes in atmospheric circulation associated with the El Nino / Southern Oscillation phenomenon.
Some of these changes have a regularity within broad limits and the planet responds with a broad regularity in changes of ice, cloud, Atlantic thermohaline circulation and ocean and atmospheric circulation.
However, if the loss of Arctic Sea ice has significantly changed global atmospheric circulation patterns, then we are dealing with a different system that has only been in existence since 2007, and we do not know how often to expect crop failures.
The lag between decreases in sea ice extent during late summer and changes in the mid-latitude atmospheric circulation during other seasons (like autumn and winter, when the recent loss of sea ice is much smaller) have been demonstrated empirically, but have not been captured by existing dynamical models.
How do the complex feedbacks change atmospheric circulation patterns, and the interaction of these patterns to changes in ice cap topography (e.g. at the LGM)?
Changes in Southern Ocean circulation resulting from changes in Southern Ocean winds (23) or buoyancy fluxes (24) have been identified as the dominant cause of atmospheric CO2 changes (9,Changes in Southern Ocean circulation resulting from changes in Southern Ocean winds (23) or buoyancy fluxes (24) have been identified as the dominant cause of atmospheric CO2 changes (9,changes in Southern Ocean winds (23) or buoyancy fluxes (24) have been identified as the dominant cause of atmospheric CO2 changes (9,changes (9,10,25).
And given the fact that land warms more quickly than ocean, resulting in areas of low pressure over land, changing patterns of atmospheric and oceanic circulation are bringing them to the coasts — where so much life's diversity is found.
Since El Nino also has an important impact on the Asian Summer Monsoon in particular, its hard to know precisely what large - scale changes in atmospheric circulation are due to the radiative forcing of the eruption itself, and the secondary response to that eruption of ENSO.
Your statement that «Thus it is natural to look at the real world and see whether there is evidence that it behaves in the same way (and it appears to, since model hindcasts of past changes match observations very well)» seems to indicate that you think there will be no changes in ocean circulation or land use trends, nor any subsequent changes in cloud responses thereto or other atmospheric circulation.
Haarsma et al. (2015) argue on the basis of model simulation that the weakening of the Gulf Stream system will in the future be the main cause of changes in the atmospheric summer circulation over Europe.
All climate models tell us that it is the Arctic sea ice cover that declines first, and that Antarctic ice extent falls only later, and may even (as observed) temporarily increase in response to changing patterns of atmospheric circulation.
The well - known impact of El Niño on reducing Atlantic hurricane activity is in fact due to increased shear from the associated atmospheric circulation changes.
Other forcings, including the growth and decay of massive Northern Hemisphere continental ice sheets, changes in atmospheric dust, and changes in the ocean circulation, are not likely to have the same kind of effect in a future warming scenario as they did at glacial times.
Exceptions could occur in areas with the smallest reductions of extreme cold in western North America, the North Atlantic and southern Europe and Asia due to atmospheric circulation changes.
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