Sentences with phrase «global heat transport»

While the Hadley, Ferrel, and polar cells (whose axes are oriented along parallels or latitudes) are the major features of global heat transport, they do not act alone.

His research involves studies of the role of the tropics in mid-latitude weather and global heat transport, the moisture budget and its role in global change, the origins of ice ages, seasonal effects in atmospheric transport, stratospheric waves, and the observational determination of climate sensitivity.

Not exact matches

The complex interactions of atmospheric turbulence and heat transport affect global climate.

Using global climate models and NASA satellite observations of Earth's energy budget from the last 15 years, the study finds that a warming Earth is able to restore its temperature equilibrium through complex and seemingly paradoxical changes in the atmosphere and the way radiative heat is transported.

Because ocean currents play a major role in transporting the planet's heat and carbon, the ECCO simulations are being used to understand the ocean's influence on global climate and the melting of ice in polar regions.

The role of ocean heat transport in the global climate response to projected Arctic sea ice loss.

Hence the relationship between forcing in various locations and global mean response, which included the full planet so is not dependent upon heat transport, is a more robust feature in the models.

All I have proposed is the possibility that a small (1C or less) increase in global mean temp or a doubling of CO2 concentration will raise the rate of latent heat transport...

Recently, concern has arisen over whether global warming could affect this heat transport (Watson et al., 2001), for example, reducing high latitude convection and triggering a collapse of the deep overturning circulation (Rahmstorf, 1995).

By analogy, a warmer world wouldn't be rainier (or cloudier); it's an imperfect analogy, because rain isn't absolutely correlated with cloudiness, and lateral transport of energy by ocean, air, and latent heat currents in and out of the E & W Pacific Ocean areas won't scale to global warming

All I have proposed is the possibility that a small (1C or less) increase in global mean temp or a doubling of CO2 concentration will raise the rate of latent heat transport and possibly increase the cloud cover, especially during the hottest time of the year in each region.

They change the heat transport between hemispheres and cause a kind of «see - saw»: the south cools as the north heats up and vice versa, with little effect on the global mean.

Global average surface temperatures are not expected to change significantly although temperatures at higher latitudes may be expected to decrease to a modest extent because of a reduction in the efficiency of meridional heat transport (offsetting the additional warming anticipated for this environment caused by the build - up of greenhouse gases).

And no, there is no huge plunge in tropical or global surface air temperatures when the ocean circulation spins up because there is a near - compensating decrease in poleward heat transport via the atmospheric circulation.

(In the global time average, diffusion of latent heat is in the same direction as sensible heat transport, but latent heat will tend to flow from higher to lower concentrations of water vapor (or equilibrium vapor pressure at the liquid / solid water surface), and regionally / locally, conditions can arise where the latent heat and sensible heat fluxes are oppositely directed.)

Another course participant, Matt Briggs, who is a wild mushroom seller and Near - Net - Zero Retrofit house owner and the writer, director, and producer of the documentary Deep Green - Solutions to Stop Global Warming Now «was waiting for the affordable Model 3 to plug into my 10kw solar roof so I can finally almost eliminate my carbon footprint for coal electricity, natural gas heat, and now oil transport.»

This is a result of a weaker wind - driven ocean circulation, when a large decrease in heat transported to the deep ocean allows the surface ocean to warm quickly, and this in turn raises global surface temperatures.

Redistribution of heat (such as vertical transport between the surface and the deeper ocean) could cause some surface and atmospheric temperature change that causes some global average warming or cooling.

Scientists are still trying to decide how the poleward heat transport will be affected by global warming — but the rapid changes at the poles seem to involve a lot of heat transport into that region via both the atmosphere and the oceans.

Is less poleward transport of heat by the Gulf Stream as the AMOC weakens a positive feedback for global warming, since that energy will escape more slowly in the humid (higher water vapor GHG effect) tropics than near the poles?

Most of the global CO2 emissions issue could be solved with low cost nuclear power (low cost nuclear will replace, over the course of this century, fossil fuels for electricity generation which will then displace gas for heating and produce «energy carriers» to replace fossil fuels for transport fuels).

The evolution of global mean surface temperatures, zonal means and fields of sea surface temperatures, land surface temperatures, precipitation, outgoing longwave radiation, vertically integrated diabatic heating and divergence of atmospheric energy transports, and ocean heat content in the Pacific is documented using correlation and regression analysis.

We analyze spatial patterns of precipitation globally associated with forest loss by calculating shifts in the global tropical precipitation band, the Inter-Tropical Convergence Zone (ITCZ), associated with changes in cross-equatorial atmospheric heat transport using equation 2.21 from [33].

I am assuming a wave - 2 anomaly reduces meridional heat transport and contributes to global temperature rise.

All of these characteristics (except for the ocean temperature) have been used in SAR and TAR IPCC (Houghton et al. 1996; 2001) reports for model - data inter-comparison: we considered as tolerable the following intervals for the annual means of the following climate characteristics which encompass corresponding empirical estimates: global SAT 13.1 — 14.1 °C (Jones et al. 1999); area of sea ice in the Northern Hemisphere 6 — 14 mil km2 and in the Southern Hemisphere 6 — 18 mil km2 (Cavalieri et al. 2003); total precipitation rate 2.45 — 3.05 mm / day (Legates 1995); maximum Atlantic northward heat transport 0.5 — 1.5 PW (Ganachaud and Wunsch 2003); maximum of North Atlantic meridional overturning stream function 15 — 25 Sv (Talley et al. 2003), volume averaged ocean temperature 3 — 5 °C (Levitus 1982).

New research has found that transport of heat to the deep layers in the Atlantic and Southern Oceans could be one of the likely scenarios to the slowdown in global warming.

Zhang and Delworth and Zhang et al. showed by using models that, as the northward surface heat transport by the AMOC is increased, the global atmospheric heat transport decreases in compensation (and vice versa), providing a multidecadal component to the Pacific Decadal Oscillation (PDO).

In which case, half of the global warming in the last three decades is due to the negative feedback of increased poleward oceanic heat transport as a result of weaker solar activity.

8 global circulation of deep ocean currents transports warm water to colder areas & cold water to warmer areas efficient heat - transport system drives Earth's climate

My point is that reduction in Arctic / Antarctic ice uses almost no «global» heat, while raising sea - levels orders of magnitude (~ 120 times) more than thermal expansion due to heat transported into the deep ocean.

In the top - end scenario DeConto's study describes, meltwater from Antarctica could surpass the equivalent of all the world's rivers combined in about 100 years — which is similar to the scenario that Hansen says could be enough to trigger profound changes in the way global oceans transport heat.

Current global climate models suggest that the water vapor feedback to global warming due to carbon dioxide increases is weak but these models do not fully resolve the tropopause or the cold point, nor do they completely represent the QBO [Quasi Biennial Oscillation], deep convective transport and its linkages to SSTs, or the impact of aerosol heating on water input to the stratosphere.

As highlighted in IEA's World Energy Outlook 2016, the challenge is to increase reliance on renewable energy in the heat and transport sectors, which account for the bulk of global energy consumption.

More current volume (heat content) or higher velocity (less heat loss during the transport process) across middle latitudes will result in global warming.

To ascertain with confidence the extent to which deep water production impacts the ocean's meridional circulation and hence the ocean's contributions to the global poleward heat flux, continuous measures of trans - basin mass and heat transports are needed.

Despite the fact that both the models and the YD hypothesis indicate changes in heat transport can affect the global temperature, and in the case of the YD so dramatically temperatures go against the forcing trend, you are steadfast in your beliefs that it is impossible that any long term trend in heat transport can be affecting modern climate.

For Europe specifically, it is estimated that the CO2 flux from land vegetation contributes to reduce the global net flux associated with atmospheric growth of CO2, but the relative magnitude of this sink has been decreasing since the 1990s (from capturing 40 % of the global growth previously, to about 20 % now), likely further to changes in the atmospheric transport of heat and humidity over Europe.

How can altering heat transport force * global * change?

Which one is the one that breaks down the idea that heat transport can affect global temperature trends?

Nor have you responded to my pointing out that changes in ocean heat transport can not warm the global ocean.

The global oceanic conveyer belt, is a unifying concept that connects the ocean's surface and thermohaline (deep mass) circulation regimes, transporting heat and salt on a planetary scale.

For the real earth, with a significant heat capacity and significant atmospheric and ocean transport, the one summary number that has meaning is the average of T ^ 4 over the surface of the earth... That is what is going to go into determination of the global surface radiative balance.

So the real cost of a gallon of gasoline would include compensation for all the harms it's done to that point (in extraction, transport, processing, etc), and all harms it will do, including global heating harms, acid rain, and local pollution, including small particulate matter.

Paolo Frankl, Head of IEA's Renewable Energy Division, commented: «Given that global energy demand for heat represents almost half of the world's final energy use - more than the combined global demand for electricity and transport - solar heat can make a significant contribution in both tackling climate change and strengthening energy security, The IEA's Solar Heating and Cooling Roadmap outlines how best to advance the global uptake of solar heating and cooling (SHC) technologies, which, it notes, involve very low levels of greenhouse - gas emiHeating and Cooling Roadmap outlines how best to advance the global uptake of solar heating and cooling (SHC) technologies, which, it notes, involve very low levels of greenhouse - gas emiheating and cooling (SHC) technologies, which, it notes, involve very low levels of greenhouse - gas emissions.

Fasullo and Trenberth (2008b) went on to evaluate the temporal and spatial characteristics of meridional atmospheric energy transports for ocean, land, and global domains, while Trenberth and Fasullo (2008) delved into the ocean heat budget in considerable detail and provided an observationally based estimate of the mean and annual cycle of ocean energy divergence and a comprehensive assessment of uncertainty.

All that is needed is a heat transport mechanism between the deep (where the magma is erupted) and the surface layers (which control the global air temperature).