Sentences with phrase «ocean layers down»

According to the World Climate Report (IPCC), more than 80 % of the heat that Earth has additionally absorbed thus far due to the altered greenhouse effect is stored in the upper ocean layers down to a depth of 1 500 metres.

Not exact matches

Now the flood is supposed to have happened about 4361 years ago (2013)[1] so that means that if we go down that number of layers we should find on or about that layer evidence of the flood in the form of dead plankton, salt, and other ocean detritus.

«So if I have this depression at the south pole, and I have beneath the surface 50 kilometers down a layer of water or an ocean, that layer of water at depth is a positive mass anomaly.

The green layer is the lithospheric plate, which forms at the mid ocean ridge, then cools down and thickness as it moves away from the ridge.

«We were quite surprised at how massive, how thick this haze layer was,» says co-chief scientist Veerabhadran Ramanathan of the Scripps Institution of Oceanography, «and that it cut down on the sunlight going into the ocean by as much as 10 percent.»

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Their argument goes like this: It is not possible that warming of the deep ocean accelerates at the same time as warming of the upper ocean slows down, because the heat must pass through the upper layer to reach the depths.

That the heat absorption of the ocean as a whole (at least to 2000 m) has not significantly slowed makes it clear that the reduced warming of the upper layer is not (at least not much) due to decreasing heating from above, but rather mostly due to greater heat loss to lower down: through the 700 m level, from the upper to the lower layer.

Don't the oceans have to absorb heat not only in the surface / mid layers but right down to the bottom for radiative heat balance to occur?

The mixed layer of the ocean is mixed (pretty much by definition) thus the net fluxes at the surface (latent heat, sensible heat, long wave up and down, short wave down) warm or cool the whole layer.

The sun's rays warm the top layer of the ocean down to 10's of meters below the surface.

It is proposed by Realclimate that the extra down welling infrared radiation warms up that top single millimetre layer (they call it the ocean «skin») a tiny bit and apparently that is enough to disrupt the worldwide flow of heat energy from ocean to air to space with the result that the oceans release incoming solar energy more slowly so that heat builds up in the oceans.

The oceans» uptake of CO2 primarily depends on how fast CO2 can be transported downwards from the ocean surface; if «too much» CO2 accumulates in the surface layers at one time, absorption slows down.

Enough oil and surfactant comes down the world's rivers and by other means to coat the entire ocean surface with a smoothing layer every two weeks.

Joe Postma is also wrong in assuming solar radiation can heat the Earth's surface to that extent, especially when 70 % of the surface is a thin (say 1 centimetre deep) surface layer of water which transmits most of the radiation down into the ocean thermoclines.

Then, especially when there is excessive cloud cover over the oceans, the Sun's energy absorbed above the clouds can actually make its way down to the ocean surface (and below) warming the oceans by non-radiative processes, not by direct solar radiation which mostly passes through the thin surface layer and could barely raise the mean temperature of an asphalt paved Earth above -35 C.

I'm not saying 0 - 2000m wont rise some more (probably will a little), just that if the upper Pacific / Atlantic layers aren't gaining there's not much reason for below 700 to go much higher given the top down nature of ocean heating (neglecting geo source).

And your theory is that it's more likely to be heating the ocean from 700m — 2000m down (but not the layer above that).

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.

We have all those building blocks that end up as limestone, raining down from the top 100ft layer of the Oceans that cover approx 70 % of the Planet, all day and every day?

The evaporative, conductive and radiative processes combined then set up a thermal gradient causing an upward flow of energy from water to air from where that 1 mm layer touches the ocean bulk below, up across the cooler layer then to the Knudsen layer by reversing the normal (warm at the top and cool at the bottom) temperature gradient which exists from that 1 mm layer down to the ocean bottom.

When temperature of the skin layer becomes higher than the temperature 5 cm below then we have the heat flow down (the daytime regime) while at night the temperature of the skin layer becomes less than that 5 cm below and the ocean loses energy to the air.

The emissivity and absorptivity of the ocean are set to 1, there are no ocean currents, the atmosphere doesn't heat up and cool down with the ocean surface, the solar radiation value doesn't change through the year, the top layer was 5 mm not 1μm, the cooler skin layer was not modeled, a number of isothermal layers is unphysical compared with the real ocean of continuously varying temperatures..

It's more or less constant or the thermocline between the deep ocean and the upper layer would be moving up or down.

They have only measured the temperature of the skin layer and a point 5 cm down in the ocean bulk.

Simultaneously, the slowing down of the decrease of temperature in the ocean skin layer reduces the heat transport from below.

The «backing up» of energy in SST (skin) pending processing in SST (int) seems to be a natural phenomenon yet still we see a temperature discontinuity lower down between ocean bulk (the mixed layer) and SST subskin.

In terms of upward energy flow the cooler interacting layer pulls energy upward exactly as much as the warmer skin slows it down for a zero net effect on the upward rate of flow from the ocean.

This is due to the slowing down of the cooling of the ocean skin layer due to the reduction of the net flow of heat by radiation.

(«Inputs — outputs» includes the heat being transferred from the model layers down into the ocean depths below 100m).

It's important to point out that overall deep - ocean heating (0 - 2,000 meters) shows no sign of a slow down in recent years, though shallower layers (0 - 300 meters and 0 - 700 meters) do.

The differences really boil down to the efficiency of mixing ocean layers.

This is still very early science, and we have some estimates of what may happen to those from modelling studies, from looking at the way in which the heating of the very upper layers of the Arctic Ocean is transferred down through the depth of the ocean - even in these relatively shallow Arctic shelf regions - and then into the sediments that would allow the methane hydrates to destabiOcean is transferred down through the depth of the ocean - even in these relatively shallow Arctic shelf regions - and then into the sediments that would allow the methane hydrates to destabiocean - even in these relatively shallow Arctic shelf regions - and then into the sediments that would allow the methane hydrates to destabilise.

Not a good mechanism for pushing heat down below the surface layers of the ocean.

So what Curry and Gavin and me all said right away was that once the more concentrated heat (higher temperature) in the upper 10 % of the ocean diffuses down into the bulk of the ocean (causing a much smaller temperature rise) there is no way it can ever become concentrated in the surface layer again.

Wind, sun, and waves grind down large - scale plastic artifacts, leaving the seas full of microscopic plastic particles that will eventually rain down on the ocean floor, creating a layer that could persist for geological timescales.

That warming extends the 50 m or so to the seabed because we are dealing with only a polar surface water layer here (over the shelves the Arctic Ocean structure is one - layer rather than three layers) and the surface warming is mixed down by wave - induced mixing because the extensive open water permits large fetches.

And over on the Atlantic flank of the Arctic, another recent report concludes that the Arctic Ocean's cold layering system that blocks Atlantic inflows is breaking down, allowing a deluge of warmer, denser water to flood into the Arctic Basin.