Sentences with phrase «on deep ocean heat»

Bob, does anyone have readily available references on deep ocean heat?

I believe Trenberth's travesty email highlighted the confusion on deeper ocean heat uptake.

Not exact matches

That wind - driven circulation change leads to cooler ocean temperatures on the surface of the eastern Pacific, and more heat being mixed in and stored in the western Pacific down to about 300 meters (984 feet) deep, said England.

This heating ought to be weak, but some unknown process seems to be amplifying it, possibly enough to melt a deep ocean of liquid water on Enceladus, or maybe only enough to form smaller pools of water within the moon's icy shell.

Some glaciers on the perimeter of West Antarctica are receiving increased heat from deep, warm ocean currents, which melt ice from the grounding line, releasing the brake and causing the glaciers to flow and shed icebergs into the ocean more quickly.

The model therefore reinforces the idea that there is strong heat production in Enceladus's deep interior that may power the hydrothermal vents on the ocean floor.

With heat, water and nutrients, subsurface Europa could resemble the deep - sea ocean vents on Earth that support vast ecosystems.

Europa has a global ocean locked away beneath a crust of ice; deep below, the moon's internal heat might create hospitable conditions, akin to hydrothermal vents at the bottom of the mid-Atlantic ridge and East Pacific Rise on Earth.

The subsurface oceans that are believed to exist on Europa and Enceladus, would have conditions similar to the deep oceans of Earth where tardigrades are found, volcanic vents providing heat in an environment devoid of light.

Potential Europan habitats include deep - sea colonies based on heat - loving bacteria like those found around hydrothermal vents on Earth's ocean floor.

Thus, during an El - Nino, much of the heat content of the Indo - Pacific warm pool moves from being too deep for surface measurements to detect, to being spread out on the surface of the ocean, where surface measurements can detect it.

Dr Peter Stott, commenting on Gavin's study in the Guardian, http://www.theguardian.com/environment/2015/jun/04/global-warming-hasnt-paused-study-finds says the term slowdown is valid because the past 15 years might have been still hotter were it not for natural variations like deep ocean heat uptake.

Deep ocean heat and carbon storage are dependent on heat transfers driven by mesoscale eddy mixing.

During a postdoctoral fellowship at MIT, Cambridge USA, his research interest focused on the interaction between ocean eddies and deep convection regions and their respective heat and density transports.

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Some heat is being transferred to the deeper ocean by wind changes, reducing the rate of increase in the upper layer, which reduces the warming rate on land.

In an email chat, Yair Rosenthal of Rutgers University and Braddock Linsley of Columbia University, whose related work was explored here in 2013, said the Argo analysis appeared to support their view that giant subtropical gyres are the place where heat carried on currents from the tropics descends into the deeper ocean.

Kevin Trenberth, who has recently published a paper on this topic, explains the increased heat uptake in the deep ocean:

We continue to «discover» vast, active volcanoes in the deep oceans, could they not have an impact on ocean heat content and via that the atmospheric heat content?

To be sure, on the centennial scale, some heat does get buried several hundred meters deep in the ocean, at least in some limited parts of the ocean.

Dr Peter Stott, commenting on Gavin's study in the Guardian, http://www.theguardian.com/environment/2015/jun/04/global-warming-hasnt-paused-study-finds says the term slowdown is valid because the past 15 years might have been still hotter were it not for natural variations like deep ocean heat uptake.

Setting aside the effects of the deep ocean, etc, — ie just using a single unified reservoir's heat capacity — and using only fast feedbacks (I didn't introduce any slow feedbacks anywhere in this particular series of comments), the expectation based on physics is that each delayed response T curve (each of which must correspond to a different value of heat capacity, for the same ECS) must have a maximum or minimum when it intersects the instantaneous response curve (my Teq value)-- maximum if it was below Teq before, minimum if it was above — because it is always going toward Teq.

Here we quantify the effects of key parametric uncertainties and observational constraints on thermosteric SLR projections using an Earth system model with a dynamic three - dimensional ocean, which provides a mechanistic representation of deep ocean processes and heat uptake.

«Since the ocean component of the climate system has by far the biggest heat capacity», I've been wondering if the cool waters of the deep ocean could be used to mitigate the effects of global warming for a few centuries until we have really depleated our carbon reserves and the system can begin to recover on its own.

None of these will have any impact on the Arctic sea ice as the heat is trapped in the deep ocean and is unable to communicate with the upper ocean and sea ice.

Linsley: I think this shows we need to focus some more attention on the places in the northern and southern hemispheres where the deep ocean is talking to the atmosphere and absorbing this heat and I think we need to spend some more time to understand how that water makes its way towards the Equator.

While such a «missing heat» explanation for a lack of recent warming [i.e., Trenberth's argument that just can not find it yet] is theoretically possible, I find it rather unsatisfying basing an unwavering belief in eventual catastrophic global warming on a deep - ocean mechanism so weak we can't even measure it [i.e., the coldest deep ocean waters are actually warmer than they should be by thousandths of a degree]...

While record - breaking warming is being felt on land, most of the extra heat energy being trapped in our atmosphere is being stored deep into our oceans causing rapid changes and the decline of key ecosystems.

The demonstrated ability of GRACE to measure interannual OBP variability on a global scale is unprecedented and has important implications for assessing deep ocean heat content and ocean dynamics.

Suggesting that the deep ocean has sequestered the heat and will eventually release it again sounds to me a lot like the competing hypothesis that the oceans play the dominant role in regulating our climate and global temperature, something Bob Tisdale has been banging on about for a long while, and seems to be gaining more and more traction.

Christy is correct to note that the model average warming trend (0.23 °C / decade for 1978 - 2011) is a bit higher than observations (0.17 °C / decade over the same timeframe), but that is because over the past decade virtually every natural influence on global temperatures has acted in the cooling direction (i.e. an extended solar minimum, rising aerosols emissions, and increased heat storage in the deep oceans).

Building on earlier work, the climate model examined by Meehl et al (2011) & (2013) demonstrated that hiatus decades (decades in the model with little or no surface warming) occurred when anomalous heat was being taken up by the deep ocean.

The idea that the deep ocean can heat while the surface does not is rather more massive conjecture than I would care to attempt — and based on around a handful of datapoints for heavens sake.

rw (05:22:03): «The motions of the massive oceans where heat is moved between deep layers and the surface provides variability on time scales from years to centuries.

Whereas if the address the pause in a scientific manner, even if they dismiss it as for instance by saying the heat is going into the deep ocean, then they do seem more objective and people from everywhere on the continuum of climate change beliefs will be more willing to listen.

Francisco (09:12:57): Go ahead and explain how additional heat in the atmosphere moves from the atmosphere to the ocean surface, and from there to the deep oceans, ** without first producing any warming in the atmosphere or on the ocean surface water ** Just because you don't know how it can happen, does not mean that it is not happening, just that you don't understand how.

A leaked draft of the next major climate report from the U.N. cites numerous causes to explain the slowdown in warming: greater - than - expected ash from volcanoes, a decline in heat from the sun, more heat being absorbed by the deep oceans, and so on.

Because the deep oceans receive no heat input, at least not on the scale of the circulation time, they are fairly uniformly at the temperature of the descending polar waters, even below the equator.

Since the surface and deep ocean start at very different temperatures, and you only change surface heating by a small percentage, you actually would have a starting time that was pretty far out on the error function curve.

On your second point, here, my first reaction on seeing the unbelievably good match to temperature was to leap to the assumption that GISS E was burying heat in the deep ocean — or losing heat to some invisible sinOn your second point, here, my first reaction on seeing the unbelievably good match to temperature was to leap to the assumption that GISS E was burying heat in the deep ocean — or losing heat to some invisible sinon seeing the unbelievably good match to temperature was to leap to the assumption that GISS E was burying heat in the deep ocean — or losing heat to some invisible sink.

Elsewhere on this site there is a graph of overall ocean heat content which is building indicating that while the sst is decreasing slightly the overall ocean is warming, It is likely that this overall ocean warming which has nothing to do with changes to the atmospheric temperature because it is the sea surface and not the deep ocean that is in contact with the atmosphere is what is resulting in the overall rise in atmospheric CO2 concentration which is currenly increasing at 2ppmv / year.

The accessibility of deep ocean heat to the climate system tells us that the equilibration time relevant to multidecadal climate sensitivity estimates is longer than an interval based on upper ocean measurements, and so sensitivity will be underestimated if only the shorter interval is used.

For global warming diagnosis, use ocean heat content changes, recognizing that the deeper ocean heating (i.e. below the long term thermocline) is mostly unavailable to affect weather on multi-decadal time periods).

Cp is the total heat capacity of a column of ocean water 1 m ^ 2 on top and h meters deep.

If heating at the surface is dangerous to societies and ecosystems and land ice and SLR and so on and so on then instinctively it seems that deep in the ocean is a less worrying place for it.

The motions of the massive oceans where heat is moved between deep layers and the surface provides variability on time scales from years to centuries.

The MIT model permits one to systematically vary the model's climate sensitivity (by varying the strength of the cloud feedback) and rate of mixing of heat into the deep ocean and determine how the goodness - of - fit with observations depends on these factors.

Jim D, summary: the heat can't be mesured on the surface, because it's hiding in the deep oceans.

These measurements could allow climatologists to determine the role of the solar and radiative forcings on the increase in heat content of the late 20th century relative to that of the deep ocean circulation.

On an earlier thread I made a back - of - envelope calculation that, for the deep ocean to «suck» all the heat down from the surface, so that the sea surface layer and troposphere were nowhere more than 3C, the mean temperature of the deep ocean would need to increase only 0.4 C. Maybe someone could check this.