Sentences with phrase «by changes in the atmospheric circulation»

The warming is caused by changes in atmospheric circulation.

So warmer - than - normal surface waters in the South Atlantic created by the changes in atmospheric circulation during an El Niño should be transported northward into the North Atlantic (and vice versa for a La Niña).

Norwegian Meteorological Institute: In Norway and Spitsbergen, it is possible to explain most of the warming after the 1960s by changes in the atmospheric circulation.

Not exact matches

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.»

The regions where droughts have occurred seem to be determined largely by changes in SSTs, especially in the tropics, through associated changes in the atmospheric circulation and precipitation.

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.

And by the time these changes in atmospheric circulation make their way east to the western Pacific and it starts to warm there, the El Niño is transitioning to La Niña.

By one measure (the EQSOI), the El Niño - related changes in the atmospheric circulation in 1997/98 and 2015/16 are tied; by another (the SOI), 1997/98 was strongeBy one measure (the EQSOI), the El Niño - related changes in the atmospheric circulation in 1997/98 and 2015/16 are tied; by another (the SOI), 1997/98 was strongeby another (the SOI), 1997/98 was stronger.

Francis, who wasn't involved with either study, is one of the main proponents of an idea that by altering how much heat the ocean lets out, sea ice melt and Arctic warming can also change atmospheric circulation patterns, in particular by making the jet stream form larger peaks, or highs, and troughs, or lows.

By Amber Bentley (Aged 11) In just 16 pages, this wonderful book covers the structure of the atmosphere, solar radiation, the water cycle, clouds, fronts, convection, air pressure, air masses, the global atmospheric circulation, making weather observations, forecasting, synoptic charts, hurricanes, regional climate, palaeoclimates and anthropogenic climate change.

The first point to dispense with is the reference to Sections 3.2.2.7 and 3.6.4 in support of the claim that «the locations of greatest socioeconomic development are also those that have been most warmed by atmospheric circulation changes.»

monsoon wind in the genereal atmospheric circulation typified by a seasonal persistent wind direction and by a pronounced change in direction from one season to the next

Non-annular atmospheric circulation change induced by stratospheric ozone depletion and its role in the recent increase of Antarctic sea ice extent.

Current global multi-decadal predictions are unable to skillfully simulate regional forcing by major atmospheric circulation features such as from El Niño and La Niña and the South Asian monsoon, much less changes in the statistics of these climate features.

Turner, J. et al (2009) Non-annular atmospheric circulation change induced by stratospheric ozone depletion and its role in the recent increase of Antarctic sea ice extent.

Changes in sea - surface temperatures (SSTs) also have an effect by bringing about associated changes in atmospheric circulation and precipiChanges in sea - surface temperatures (SSTs) also have an effect by bringing about associated changes in atmospheric circulation and precipichanges in atmospheric circulation and precipitation.

It is emergent behviour in a complex dynamical system characterised by changes in ocean and atmospheric circulation and consequential changes in cloud radiative forcing.

Precipitation changes might be significant in particular localities, especially where precipitation is affected by atmospheric circulation changes, as seems recently to have been the case with southern Scandinavian glaciers (Oerlemans, 1999).

But matters are greatly complicated by atmospheric circulation patterns, cyclic changes in temperatures over the oceans, and the shapes of land masses.

Only 10 % of the long - term LOD variation can be explained by the observable changes in atmospheric circulation.

«In 2007 a team of NASA and university scientists has detected an ongoing reversal in Arctic Ocean circulation triggered by atmospheric circulation changes that vary on decade - long time scaleIn 2007 a team of NASA and university scientists has detected an ongoing reversal in Arctic Ocean circulation triggered by atmospheric circulation changes that vary on decade - long time scalein Arctic Ocean circulation triggered by atmospheric circulation changes that vary on decade - long time scales.

The change in heat and work in the planetary system is made complicated by large changes in radiant flux at TOA due to changes in atmospheric and ocean circulation (Loeb et al 2012).

As I have also noted in recent public comments, additional mechanisms have been identified by which changes in atmospheric circulation patterns that may be a result of global warming could be affecting droughts in the American West.

The large interannual to decadal hydroclimatic variability in winter precipitation is highly influenced by sea surface temperature (SST) anomalies in the tropical Pacific Ocean and associated changes in large - scale atmospheric circulation patterns [16].

Identifies changes in occurrence of atmospheric circulation patterns by measuring the similarity of the cool - season atmospheric configuration that occurred in each year of the 1949 — 2015 period with the configuration that occurred during each of the five driest, wettest, warmest, and coolest years

«-- A team of NASA and university scientists has detected an ongoing reversal in Arctic Ocean circulation triggered by atmospheric circulation changes that vary on decade - long time scales.

Whether the large - scale thermodynamic environment and atmospheric static stability (often measured by Convective Available Potential Energy, CAPE) becomes more favourable for tropical storms depends on how changes in atmospheric circulation, especially subsidence, affect the static stability of the atmosphere, and how the wind shear changes.

Changes in near - coastal circulation or biochemistry seem to be altering surface ocean pH more quickly than can be explained by an equilibrium response to the rising atmospheric CO2 concentration (Wootton and Pfister, 2012).

And as the for the reason for this year's Arctic ice melt, NASA and university scientists have detected an ongoing reversal in Arctic Ocean circulation triggered by atmospheric circulation changes that varies on decade - long time scales.

Relatively abrupt changes in the climate of a particular location may be driven not by abrupt changes in the atmospheric circulation, but rather by otherwise slowly evolving changes in the circulation in regions of large horizontal gradients in surface weather.

Motivated by findings that major components of so - called cloud «feedbacks» are best understood as rapid responses to CO2 forcing (Gregory and Webb in J Clim 21:58 — 71, 2008), the top of atmosphere (TOA) radiative effects from forcing, and the subsequent responses to global surface temperature changes from all «atmospheric feedbacks» (water vapour, lapse rate, surface albedo, «surface temperature» and cloud) are examined in detail in a General Circulation Model.

A change in climate states caused by abrupt changes in ocean and atmospheric circulation.

[A] now - classic set of General Circulation Model (GCM) experiments ¬ produced global average surface temperature changes (due to doubled atmospheric CO2 concentration) ranging from 1.9 °C to 5.4 °C, simply by altering the way that cloud radiative properties were treated in the model.

«The freshwater changes were due to a cyclonic (anticlockwise) shift in the ocean pathway of Eurasian runoff forced by strengthening of the west - to - east Northern Hemisphere atmospheric circulation characterized by an increased Arctic Oscillation9 index.

I think it is really important to make that distinction - that there are a number of factors that influence the extent of Arctic sea ice, some of them of course associated with changes in the radiative forcing from the atmosphere, as a result of anthropogenic greenhouse gases and aerosols, but also changes in the atmospheric circulation and also the advection of heat into or out of the Arctic by the ocean circulation.

The focus on Europe, aided by the increase in resolution, has revealed previously undiscussed impacts, particularly those associated with changing atmospheric circulation patterns.

Winter precipitation is also affected by the changing atmospheric circulation, with localised increases in precipitation associated with more winter storms and a strengthened winter storm track.

Scientists expect rainfall extremes to change in Europe under future climate conditions responding to changes in large - scale atmospheric circulation driven by global warming.

Their influence on the atmospheric circulation is focused on the polar regions by the Earth's magnetic field [the opposite phase of the changes in the Arctic and the Antarctic can be explained by the phenomenon of «solar system dissymmetry» as a result of which fluctuations of solar constant occur].