In winter Time , polar regions Patient will also warm much more significantly than low latitude regions Degree . [ 5CANADAICC 0 MEL GC 19/11/2012 ]

Because land masses Patient warm faster than oceans Manner , warming over the North American continent can be expected to be greater than the global average. [ 1CANADACCD 0 MEL GC MCLH 25/01/2014 ]

The main concern at present is to determine how much the Earth Patient will warm in the near future Time . [ ENCY 0 MEL GC 19/11/2012 ]

For example, in the Arctic Location , some regions Patient , such as the western Canadian Arctic and Siberia, have warmed dramatically Degree . [ 6CANADAQFP 0 MEL GC 19/11/2012 ]

...the more the greenhouse gases are emitted Condition , the higher the tendency for the earth Patient to warm ... [ GREENFACTS 0 MEL GC MCLH 25/01/2014 ]

In addition, the global climate Patient can fluctuate quite randomly, warming or cooling by up to 0.3 ° C per century. [ ENCY 0 MCLH 23/04/2014 ]

And, as temperatures Patient warm and some regions become drier and others wetter, >the climate conditions that determine the natural growth of vegetation around the world may shift significantly. [ 5CANADAICC 0 MEL GC MCLH 19/11/2012 ]

Coastal areas and the low latitudes of central America Patient warm more slowly Manner , but also reach temperature increases of 3 - 5 ° C by 2090. [ 1CANADACCD 0 MEL GC MCLH 19/11/2012 ]

The second factor is that, as the climate Patient warms , the ice on Arctic waters forms later in the fall, disappears earlier in the spring, and becomes thinner in winter. [ 1CANADACCD 0 MEL GC MCLH 19/11/2012 ]

In the Arctic , where Location average annual temperatures Patient are projected to warm by 10 - 20 ° C Value during the last half of the century Time , extreme minimum temperatures over open waters are expected to moderate considerably. [ 3CANADAENVIRON 0 MEL GC 19/11/2012 ]

Land Patient will warm more than oceans Degree and greater year­round warming is predicted for high latitudes, with more warming in winter than summer at middle to high latitudes. [ 6CANADAQFP 0 MEL GC MCLH 25/01/2014 ]

Natural variability in climate can cause one region of the world Patient to warm several degrees relative to the preceding year Value , while another cools a similar amount. [ 6CANADAQFP 0 MEL GC MCLH 25/01/2014 ]

The surface waters Patient have warmed the most Degree , by about 0.25 ° C Value . [ AWORLDOFSCIENCE 0 MEL GC MCLH 25/01/2014 ]

Although the eastern Arctic Patient also warmed slightly Degree during the past 50 years Time , some regions within it have cooled somewhat. [ 6CANADAQFP 0 MEL GC 19/11/2012 ]

The primary reasons for the expected rise over the next 100 years are the expansion of sea water as it Patient warms and the melting of glaciers around the world. [ 5CANADAICC 0 MEL GC MCLH 19/11/2012 ]

The ocean Patient warms from solar heating, warming and humidifying the atmosphere above Condition . [ AWORLDOFSCIENCE 0 MEL GC MCLH 25/01/2014 ]

Europe Patient , on the other hand, warms less than either northern Asia or North America Degree . [ 3CANADAENVIRON 0 MEL GC MCLH 25/01/2014 ]

As the surface Patient warms , the hydrologic cycle (evaporation, precipitation, and runoff) accelerates causing temperatures to rise even higher. [ RAPPORTPENTAGONE 0 MEL GC MCLH 19/11/2012 ]

As the climate Patient warms , the Northern Hemisphere snow cover and sea-ice extent are projected to decrease. [ 11IPCCBILAN2001 0 MEL GC MCLH 19/11/2012 ]

Of particular importance are changes in the extent of highly reflective ice and snow cover; as climate Patient warms , the area of ice and snow will decrease, leading to greater absorption of solar energy and further warming. [ 10IPCCMODELE 0 MEL GC MCLH 19/11/2012 ]

The primary radiative effect of CO2 and water vapour Cause is to warm the surface climate Patient but cool the stratosphere. [ 4IPCCSROCSPMTS 0 MEL GC 19/11/2012 ]

As increases in other greenhouse gases Cause warm the atmosphere and surface Patient , the amount of water vapour also increases, amplifying the initial warming effect of the other greenhouse gases. [ 6CANADAQFP 0 MEL GC 19/11/2012 ]

Fossil fuels, which we burn to provide power and transport, are a particular culprit, releasing into the atmosphere gases such as carbon dioxide (CO2) which Cause warm the Earth 's surface Patient . [ 1EUROPAENV 0 MEL GC 19/11/2012 ]

Human activities (primarily the burning of fossil fuels and changes in land use and land cover) are increasing the atmospheric concentrations of greenhouse gases , which Cause alter radiative balances and tend to warm the atmosphere Patient ... [ 7IPCCREGION 0 MEL GC 19/11/2012 ]

A positive radiative forcing (such as that due to increasing GHG concentrations) Cause warms the atmosphere Patient , whereas a negative forcing (for example, an increase in concentrations of sulphate aerosols that reflect incoming solar radiation) tends to cool the atmosphere. [ 3CANADAENVIRON 0 MEL GC 19/11/2012 ]

Energy from the sun Cause warms the earth 's surface Patient and, as the temperature increases, heat is radiated back into the atmosphere as infra-red energy. [ 2EUROPACHANGE 0 MEL GC 19/11/2012 ]

Sooty aerosols Cause , for example, tend to warm regional climates Patient , while sulphate aerosols will cool it by reflecting more sunlight. [ 6CANADAQFP 0 MEL GC 19/11/2012 ]

This reduction will reduce the thickness of ice which will have a positive feedback effect where the ocean 's heat Cause may be allowed to escape and further warm the atmosphere Patient . [ 3CANADAENVIRON 0 MEL GC 19/11/2012 ]

Because it can absorb solar radiation, black carbon (soot) aerosol Cause tends to warm the climate system Patient . [ 11IPCCBILAN2001 0 MEL GC MCLH 19/11/2012 ]

Positive radiative forcings Cause tend to warm the Earth 's surface and lower atmosphere Patient . [ 11IPCCBILAN2001 0 MEL GC 19/11/2012 ]

More of the outgoing terrestrial radiation from the surface is absorbed by the atmosphere and re-emitted at higher altitudes and lower temperatures. This results in a positive radiative forcing that Cause tends to warm the lower atmosphere and surface Patient . [ 11IPCCBILAN2001 0 MEL GC 19/11/2012 ]

Bodies of water Cause help to cool local climates in summer and warm them Patient in winter Time . [ 5CANADAICC 0 MEL GC 19/11/2012 ]

Sun 's findings are based on experiments with a model of the ocean-atmosphere system in which the temperature of the deep ocean was held steady while the ocean surface Patient was warmed by solar heat and a gradually increasing greenhouse effect Cause . [ 2CANADACCD9801 0 MEL GC MCLH 25/01/2014 ]

The simulations of this assessment report (for example, Figure 5) indicate that the estimated net effect of these perturbations Cause is to have warmed the global climate Patient since 1750 Time . [ 11IPCCBILAN2001 0 MEL GC 19/11/2012 ]

Energy from the sun Cause warms the earth 's surface Patient and, as the temperature increases, heat is radiated back into the atmosphere as infra-red energy. [ 2EUROPACHANGE 0 MEL GC MCLH 25/01/2014 ]

This is because the oceans and atmosphere Cause carry heat to the poles, ensuring a more comfortable balance (for humans at least), by cooling temperatures at the equator and warming them Patient at the poles Location . [ AWORLDOFSCIENCE 0 MEL GC MCLH 25/01/2014 ]

Warm climates Patient would also generally improve the efficiency of surface and marine transportation of oil and gas. [ 5CANADAICC 0 MCLH 25/03/2014 ]

Currently, warm tropical ocean waters brought north eastwards by this system Patient release enough heat to the air to keep temperatures over much of Europe some 10° C warmer than land areas at similar latitudes in other parts of the Northern Hemisphere. [ 1CANADACCD 0 MCLH 25/03/2014 ]

In an El Niño year, the trade winds slacken and the warm water accumulated in the west Patient gradually returns to the eastern Pacific, preventing the cooler water from reaching the surface. [ 2CANADACCD9801 0 MCLH 25/03/2014 ]

For example, ocean currents move heat from warm equatorial latitudes Patient to colder polar latitudes. Heat is also transferred via moisture. [ ENCY 0 MCLH 25/03/2014 ]

Diffusive mixing produces a downward heat flux (from the warm surface Patient to cooler sub-surface water). [ 10IPCCMODELE 0 MCLH 25/03/2014 ]

The warm air over land Patient rises, drawing moist air from over the oceans inland and feeding strong rainfall. [ AWORLDOFSCIENCE 0 MCLH 25/03/2014 ]

A second and more compelling reason for suspecting a link between greenhouse warming and weather extremes is related to the potential effects of a warmer climate Patient on the physical processes that generate different types of weather events. [ 2CANADACCD9801 0 MCLH 25/03/2014 ]

If these model projections are correct, then average global temperatures can be expected to approach and possibly exceed levels that have not been seen since the warm interglacial period that preceded our last great ice age, some 125,000 years ago Patient . [ 3CANADAENVIRON 0 MCLH 25/03/2014 ]

Warm ocean waters Patient fuel hurricanes and the waters were unusually warm in the tropical Atlantic in 2005. [ AWORLDOFSCIENCE 0 MCLH 25/03/2014 ]