Sentences with phrase «in oceanic heat»

He notes that the high end is driven by uncertainties in the oceanic heat uptake data earlier in the record.

izen says (I am just quoting one of his letters to nature that he quoted to me) The circulation of seawater through newly formed ocean crust at mid-ocean ridge spreading centres is important in the oceanic heat and chemical budgets.

''... how can one keep the very strong radiative restoring from producing heat loss from the oceans totally inconsistent with any measures of changes in oceanic heat content?»

With a dominant internal component having the structure of the observed warming, and with radiative restoring strong enough to keep the forced component small, how can one keep the very strong radiative restoring from producing heat loss from the oceans totally inconsistent with any measures of changes in oceanic heat content?

The trend in oceanic heat content for the upper 1500 m over the six years from the beginning of 2005 to the end of 2010 is an increase of 0.55 watts per square meter, well outside the 0.1 W / m2 uncertainty.

Could the intense hurricane activity of 2004 and 2005 explain the reduction in oceanic heat content over the 2003 to 2005 period?

Dr Sinha concluded: «The deeper understanding gained in this study of the processes and regions responsible for variations in oceanic heat drawdown and retention will improve the accuracy of future climate projections.»

Not exact matches

Their research, published in Nature Climate Change on June 29, is the first attempt to examine and document these changes in the air - sea heat exchange in the region — brought about by global warming — and to consider its possible impact on oceanic circulation, including the climatologically important Atlantic Meridional Overturning Circulation.

Among the data used by the model was the heat distribution in the oceanic crust, which is known from seismic studies.

Now, a computer modeling approach, developed by University of Maryland seismologist Vedran Lekic and colleagues at the University of California Berkeley, has produced new seismic wave imagery which reveals that the rising plumes are, in fact, influenced by a pattern of finger - like structures carrying heat deep beneath Earth's oceanic plates.

Professor Drijfhout said: «This study attributes the increased oceanic heat drawdown in the equatorial Pacific, North Atlantic and Southern Ocean to specific, different mechanisms in each region.

He emphasized the need to better understand the deep ventilation of oceanic heat, in order to improve modeling to reliably predict the future state of the Arctic climate system.

Just a general observation in regards to the oceanic heat content value in determining global warming.

Polar amplification, in which temperatures at the poles rise more rapidly than temperatures at the equator (due to factors like the global atmospheric and oceanic circulation of heat from the equator to the poles), plays a major role in the rate of ice sheet retreat.

You've got the radiative physics, the measurements of ocean temperature and land temperature, the changes in ocean heat content (Hint — upwards, whereas if if was just a matter of circulation moving heat around you might expect something more simple) and of course observed predictions such as stratospheric cooling which you don't get when warming occurs from oceanic circulation.

ENSO events, for example, can warm or cool ocean surface temperatures through exchange of heat between the surface and the reservoir stored beneath the oceanic mixed layer, and by changing the distribution and extent of cloud cover (which influences the radiative balance in the lower atmosphere).

This is consistent with the finding that reduced warming is not mainly a result of a change in radiation balance but due to oceanic heat storage.

ENSO events, for example, can warm or cool ocean surface temperatures through exchange of heat between the surface and the reservoir stored beneath the oceanic mixed layer, and by changing the distribution and extent of cloud cover (which influences the radiative balance in the lower atmosphere).

Just a general observation in regards to the oceanic heat content value in determining global warming.

After reviewing the Levitus et al 2008 papers abstract, (as I do not have access to the paper it's self), I assumed that the data you were referring to was based on some earlier data sets which seemed to demonstrate a ever increasing distributed localized temperature swing, when subsequent data, as indicated in the Levitus et al 2008 suggests a systemic imbalance of oceanic heat content increase in the range of a 0.31 Deg.

Is it not possible that the polar barometric events act as significant pipelines for the re-emission of the ocean entrapped LW in the first three meters, by transporting the oceanic heat content energy for stellar release?

The great flow of Arctic deep water comes mainly from THC and is fed with NAD.It prooves the great sinking of water in this zone and the great oceanic heat transfer.

Polar amplification, in which temperatures at the poles rise more rapidly than temperatures at the equator (due to factors like the global atmospheric and oceanic circulation of heat from the equator to the poles), plays a major role in the rate of ice sheet retreat.

This could in turn help clarify the oceanic pathways for much of the heat added to the Earth's climate system by accumulating greenhouse gases.

Now, as I pointed out in an earlier post (# 104), there IS some evidence of a trend toward serious oceanic heating beginning roughly 21 years after 1979 (i.e., 2000), which suggests that this could be due to heat transfer from the atmosphere beginning in ca 1979.

Victor wrote at 205, «Now, as I pointed out in an earlier post (# 104), there IS some evidence of a trend toward serious oceanic heating beginning roughly 21 years after 1979 (i.e., 2000), which suggests that this could be due to heat transfer from the atmosphere beginning in ca 1979.»

# 192 «For example a strengthening of wind over some oceanic region http://web.science.unsw.edu.au/~matthew/nclimate2106-incl-SI.pdf then would increase the heat flow atmosphere - > ocean, leading to lower (dynamic) equilibrium temperature in the atmosphere which of course occurs very fast, as the thermal mass of the atmosphere is very low compared to the net energy throughput.»

There could, for example, be SOC events reflected in ice sheet dynamics, as oceanic heat transfer destabilises the Antarctic circulation, leading to acelerated ice sheet destabilisation.

RE # 11 The role of hurricanes in the poleward heat transport immediately leads to the question, how is the poleward heat transport divided between atmospheric and oceanic routes?

It's mostly about atmospheric forcings, but there is some mention of oceanic heat fluxes in the «Discussion and Conclusions» section.

The atmospheric Greenhouse Effect merely sets a theoretical background atmospheric temperature level that is continually overridden as a result of the size of the constant interlinked changes in both the solar and oceanic heat inputs.

We asked you to support your claim that the resolution of the oceanic temperature data is not sufficient to make a determination of a trend in ocean heat content, which you have yet to provide.

Ultimately I suspect it will also have significant implications for analyses of changes in total oceanic heat content.

In addition to expending some of the oceanic heat, the wave action of the cyclone tends to mix the cooler ocean waters below toward the surface, reducing sea surface temperatures after the cyclone passes.

The influence of anthropogenic forcing has also been detected in various physical systems over the last 50 years, including increases in global oceanic heat content, increases in sea level, shrinking of alpine glaciers, reductions in Arctic sea ice extent, and reductions in spring snow cover (Hegerl et al., 2007).

Additionally the oceanic warming and cooling cycles introduce constant, rapid and substantial changes not yet reflected in any models and which invalidate any averaged global estimates of the planetary heat budget.

The radiative Greenhouse Effect is continually overridden as a result of the size of the constant interlinked changes in both the solar energy input to the oceans and the oceanic heat inputs to the atmosphere.

A strengthening ACC created a barrier inhibiting intrusions of warm tropical waters and minimizing both oceanic and atmospheric heat transport resulting in the Refrigerator Effect.

The AMO1 (compressed) time sequence is a bit perplexing, but it is to do with North Icelandic Jet current, major player in the Nordic Seas summer oceanic heat release into atmosphere.

The formula is based on known ideas due to Arrhenius in 1896 and Hofmann in 2009 (that the portion of atmospheric CO2 above the preindustrial level is growing exponentially), with the added twist that the oceanic heat sink delays the impact of radiative forcing variations on HadCRUT3 by 15 years, analogously to the overheating of a CPU being delayed by the addition of a heatsink with no fan, what I refer to as the Hansen delay.

Continued operation of the oceanic conveyor belt is important to northern Europe's moderate climate because of northward transport of heat in the Gulf Stream and North Atlantic Current.

The other idea to keep in mind is that these oceanic oscillations can never really produce heat on their own.

I agree that the application of higher resolution model equipment does not help to reduce the uncertainty range of the sea level in the Amsterdam harbours: assumptions about changes in the heat storage, icecap melting and changes in the gravity field dominate this uncertainty range (although some regiona features related to oceanic circulation and heat redistribution may be better resolved in higher resolution models).

The atmospheric and oceanic circulations are vital for heat transport in the climate system.

Is this not indicative of a major blunder in the simplifications, notably the effect of convective heat transport and the stabilising effect of condensation and evaporation at the oceanic surfaces?

In some way, that's the engine where all the other variations must be hanged (specially variations in albedo because of clouds - maybe connected with solar cycles as other authors are trying to prove -, variations in albedo because of sea ice extention, linked with the oceanic currents - as in the «stadium wave» that was presented by Curry and others, etc., variations in heat exchange between atmosphere and oceans, and so oIn some way, that's the engine where all the other variations must be hanged (specially variations in albedo because of clouds - maybe connected with solar cycles as other authors are trying to prove -, variations in albedo because of sea ice extention, linked with the oceanic currents - as in the «stadium wave» that was presented by Curry and others, etc., variations in heat exchange between atmosphere and oceans, and so oin albedo because of clouds - maybe connected with solar cycles as other authors are trying to prove -, variations in albedo because of sea ice extention, linked with the oceanic currents - as in the «stadium wave» that was presented by Curry and others, etc., variations in heat exchange between atmosphere and oceans, and so oin albedo because of sea ice extention, linked with the oceanic currents - as in the «stadium wave» that was presented by Curry and others, etc., variations in heat exchange between atmosphere and oceans, and so oin the «stadium wave» that was presented by Curry and others, etc., variations in heat exchange between atmosphere and oceans, and so oin heat exchange between atmosphere and oceans, and so on.

Sea ice with its strong seasonal and interannual variability (Fig. 1) is a very critical component of the Arctic system that responds sensitively to changes in atmospheric circulation, incoming radiation, atmospheric and oceanic heat fluxes, as well as the hydrological cycle1, 2.

«In summer, the oceanic heat anomaly is enhanced by the ice — albedo feedback, but in winter the excess oceanic heat is lost to the atmosphere due to a lack of insulating sea ‐ ice coveIn summer, the oceanic heat anomaly is enhanced by the ice — albedo feedback, but in winter the excess oceanic heat is lost to the atmosphere due to a lack of insulating sea ‐ ice covein winter the excess oceanic heat is lost to the atmosphere due to a lack of insulating sea ‐ ice cover.

The increase in AMOC at 120 ka relative to the 125 ka leads to an increased oceanic heat transport and partly compensates for the decrease in insolation

The presence of summer sea ice in the central Arctic Ocean — despite the elevated air temperatures14, 15, 64 — may have resulted from a reduced total oceanic heat flux towards the north, as suggested from (compared to the PI control runs) reduced AMOC patterns during LIG - 130 and LIG - 125 (Fig. 4).