Sentences with phrase «abyssal deadspace»

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1998 Walter D. Munk and Carl Wunsch, «Abyssal Recipes II: Energetics of Tidal and Wind Mixing.»
In two hemisphere integrations, the water above the abyssal thermocline may be either «intermediate» water from the same hemisphere as the channel, or «deep» water from the opposing hemisphere, depending on whether the densest water from the opposing hemisphere is denser than the surface water at the equatorward edge of the channel.
Nobody, including Trenberth, has said energy diffused / mixed into the vast abyssal ocean is going to somehow stick itself back together as a hot blob and come back out.
kim is thinking the sequestered heat in the abyssal ocean is somehow going to be of benefit to mankind at the end of the holocene.
In this case the paper opens up by saying the topic is oceanic warm pools and the topic here is anomalous warming of the abyssal ocean.
That's nice but I remain more interested in how that heat gets out of abyssal ocean not how it gets into it.
It need not literally get out from the abyssal ocean.
The expansion of the Argo program over the next few years will add even more floats that go deeper more consistently, reducing uncertainty even further and filling in the details at even abyssal depths.
On the abyssal circulation of the World Ocean — III.
If the other processes that warm abyssal waters (mixing and geothermal heating) have not changed, then this change could explain the abyssal ocean warming that we are observing.
As it travels north, the abyssal water slowly warms from geothermal heating below and as a result of mixing with warmer waters above, ultimately becoming less dense.
Oceanographers measure the abyssal ocean to depths of 6,000 meters by lowering accurate recording thermometers and other instruments to the ocean floor on long cables from research vessels.
Unlike the surface ocean, which is in contact with the warming atmosphere, these abyssal waters are thousands of meters below the surface.
I was an «expert reviewer» for the oceans section of the draft ar5 and when the report stated This abyssal warmimg I asked to see the data that supported this but they were never able to come up with snything at the time.
The deep and abyssal oceans have been warming since the 1990's according to Sarah Purkiss in your link
Our knowledge of the oceans down to 2000 meters is sketchy enough, to believe we have a handle on the abyssal deep is nonsense.
Do they say stored in the abyssal oceans?
Hirabara, M., Tsujino, H., Nakano, H. & Yamanaka, G. Formation mechanism of the Weddell Sea Polynya and the impact on the global abyssal ocean.
I can't be bothered generating a reading list for you to learn about the difference between effective diffusion and the abyssal interior value, because it is actually not relevant to this simpler point above which directly refutes their analysis.
Kunze E., E. Firing, J. M. Hummon, T. K. Chereskin, and A. M. Thurnherr, 2006, Global abyssal mixing inferred from lowered ADCP shear and CTD strain profiles, J. Phys Ocean., 36 (12), 2350 - 2352, correction from vol.
Purkey, S. G. & Johnson, G. C. Warming of global abyssal and deep southern ocean waters between the 1990s and 2000s: Contributions to global heat and sea level rise budgets.
The only thing that keeps the abyssal water above its freezing point is that a few kilometres below the sea floor, there are a few thousand kilometres of molten rock.
It is really easy to cool the abyssal deep by cooling the surface.
It is hard to warm the abyssal deep from applying heat to the surface.
They've used aerosols that only operate for selective time periods, «missing» heat that has magically disappeared into the abyssal oceans without showing itself on the way down, melting Arctic ice that makes places colder because it was so hot.
It means added pressure on every ecosystem on Earth from the abyssal ocean, to the most remote Amazon stand, to the glaciers of Greenland.
There is actually no way to say that the abyssal ocean is contributing negatively to sea level rise.
In any case measuring the abyssal tracer fluxes is something that oceanographers have wanted to do (and are engaged in) for a long time, and is not a simple task.
This paper verifies previous research that the oceans absorb a lot of the excess heat, but looks specifically at the ocean below 2,000 meters, which the paper referrs to in places as «deep» but that we should probably call «abyssal
The new paper suggests that the abyssal ocean takes up closer to zero heat.
In the Porcupine Abyssal Plain, about 350 miles (560 kilometers) southwest of Ireland, Lampitt and his colleagues collected marine snow and the creatures that consume it at different depths.
I do know that an earlier version of a Hadley AOGCM was reanalysed using an upwelling diffusive model some years ago and the indications were that the model was burying large amounts of heat in the abyssal ocean.
When GISS decides how to accommodate abyssal energy and freezes their forcing data and model for AR5, I will repeat the exercise.
In the Indian Ocean, the proposed South Asia Gas Enterprise Pvt. Ltd. (SAGE) pipeline between Oman and northern India proposes laying a gas pipeline as deep as 3,000 meters across a 750 - kilometer abyssal plain.
What I have seen is you conflate the missing heat problem with the abyssal ocean stuff, and it makes no sense.
The IPCC insisted to me that we knew the abyssal temperatures were warming.
This research shows that the densest AABWs (observed in 1994) no longer exist, as seen by the core of the region's abyssal water mass located as much as 600 m deeper in the water column in 2016 (illustrated by black curves in panel b).
We have people on this blog pointing to studies by people like Purkey and Johnson in which sweeping assertions of abyssal temperatures are made.
Wunsch did his study and said there was slight cooling of the abyssal ocean.
With mean abyssal currents of about 2 cm s - 1, it is plausible that this freshening could have reached the observed line six years after the event.
The IPCC insisted to me as an «expert» reviewer of the AR5 draft that we knew the abyssal depth temperatures but would not give me the studies to prove it.
Estimates for the deep Southern and Abyssal Oceans are by Purkey and Johnson (2010) based on sparse observations.
However, there are important changes in heat and salinity at intermediate and abyssal depths, restricted to regions that are relatively close to the main sources of deep and intermediate waters.
Or are you realising the Sun can't and doesn't warm the abyssal depths?
As I say the IPCC could not come up with the studies on abyssal warming when I directly asked them.
As for the abyssal, Wunsch says he can't prove he's right, and he can't prove they're wrong.
Thermocline - The layer of maximum vertical temperature gradient in the ocean, lying between the surface ocean and the abyssal ocean.
Abyssal has meaning.
The bathymetry of the ocean bottom is marked by fault block ridges, abyssal plains, ocean deeps, and basins.
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