Sentences with phrase «cooling upwelled waters»

The development of the Antarctic Circumpolar Current forever altered the carbon biological pump by increasing upwelling in the southern oceans, and later along continental west coasts by cooling upwelled waters.
(That cooler upwelled water is then warmed by the La Niña - caused additional sunlight as it travels from east to west across the tropical Pacific, and it collects in an area east of Indonesia called the west Pacific Warm Pool, where it warms the ocean heat content of the tropical Pacific.)

Not exact matches

Coastal upwelling in the Southern Hemisphere results in cool waters as far north as the equator in the Pacific, driving the whales all the way to Panama and Costa Rica for the southern winter.
In the northern Mozambique channel and the Raja Ampat archipelago in Indonesia, for instance, upwelling and ocean gyres bring cool water that has allowed fragile corals to escape bleaching.
This change reduces the upwelling of cool subsurface water and cuts off the supply of nutrient - rich cold water upwelling from below.
The upwelling of plankton rich cooler water at this deeper site means it is a good place for larger pelagics.
The cool nutrient - rich waters of the north Pacific are able to provide kelp forests with millions of plankton - the base of the aquatic food chain — due to an upwelling of water from the deep sea in the stormy, winter months.
Feeding The Cassin's auklet feeds offshore, often relying on upwellings of cooler nutrient rich waters and associating with bathymetric landmarks such the continental shelf and underwater canyons.
It's in the summer months, late summer months, say July, August, September when water conditions to around Nusa Penida and in fact to the south of that strip of Indonesia that borders the Indian Ocean, there's an upwelling which makes the waters in the shallows much cooler than normal and the Mola mola tend to follow the upwelling into the shallows and it's then the divers can see them.
In general, the regions of expanding warming upwelling water in the Indian Ocean, North Pacific, or wherever they are, must create slight bulges in the surface, and the regions of shrinking, cooling, sinking water in the Arctic must create slight depressions in the sea surface (again, I mean in a very low pass sense — obviously storms, tides, etc, create all kinds of short - terms signals obscuring this).
The picture I gave neglects the effect of ocean dynamics — cooling by upwelled water entering the mixed layer and warming by imported warm water from the side.
When upwelling brings cold water to the ocean's surface, cooling the atmosphere, where is that heat lost from the atmosphere «hiding»?
Consenquently, the associated SST pattern is slightly cooler in the deep convection upwelling regions of the Equitorial Pacific and the Indian Ocean, strongly cooler in the nearest deep convection source region of the South Atlantic near Africa and the Equator, warm over the bulk of the North Atlantic, strongly warmer where the gulf stream loses the largest portion of its heat near 50N 25W, and strongly cooler near 45N 45W, which turns out to be a back - eddy of the Gulf Stream with increased transport of cold water from the north whenever the Gulf Stream is running quickly.
Even in a time of global warming, an increase in ice sheet melting or deep water upwelling can cool the atmosphere relative to the long term trend.
There is also less upwelling of cool water from below the surface when the trade winds weaken.
Between 2 and 3 million years ago the cooling of the deep oceans reached a tipping point, and modern upwelling regions ogf cold deep water off the coast of Peru, California and the west coast of Africa were established.
But now upwelled subsurface waters were cooler by 4 to 9 °C.
Today we witness global warming from heat ventilation during an El Nino and global cooling due to increased upwelling of cooler waters during La Ninas.
After 30 + million years of cooling, 2 to 3 million years ago, colder ocean waters eventually upwelled in the mid latitudes along the west coasts of major continents as well as along the equator.
A cooler surface facilitates upwelling of cool and nutrient rich abyssal water and vice versa.
Periodically, parts of the south coast experience local, wind - driven upwelling of cool bottom water, while the fast flow of the current itself drives upwelling of deep waters, where the shelf widens to form the Agulhas Bank [11].
The persistent upwelling of cold water in the eastern tropical Pacific would have reduced cloud cover there, via reduced oceanic evaporation, and thus allowed more of the sun's energy to enter the tropical ocean - this would have aided the ocean warming process, as generally the case when the tropical ocean is cooler - than - normal.
• surface upwelling (of cold / cool water) at / off western continental margins, driven by Coriolis effect on equatorward currents;
Upwelling of cold deep water continues to feed the cool pool, which grows, frequently reaching the West coast of S. America.
Upwelled CDW water can be cooled when modified by winter water, or remain warm when it directly accesses a glacier grounding point.
The planetary cooling from the mid 1940's was most clearly associated with a shift in the Pacific Ocean to more cold water upwelling in eastern Pacific.
A cool PDO and a La Niña are the result of cold and carbon dioxide and nutrient rich water from the oceanic abyss upwelling on the eastern Pacific margin.
This is because of the upwelling of cool water in their wake.
When these cooler waters spread far and wide due to more upwelling, easterlies increase, signalling the start of La Nina.
The waters of the upwelling zone off of Peru and Chile are always up to 8DegC cooler than waters to the West, causing easterly winds.
Recently, there appears to have been more cool water than normal associated with the upwelling (cool) Kelvin waves, so we've had the double - dip (2010/11 La Niña and 2011/12 La Niña) and now La Niña conditions — though I don't know that we could classify this as a triple - dip, since we did reach strong El Niño conditions for a short period of time during 2012.
«We suspect these reefs are partially protected from heat stress by upwelling of cooler water from the Coral Sea.»
Off the west coasts of the American continents in the trade - wind belts, upwelling of cold subsurface water causes the overlying air to be cooled below its dew point (the air temperature below which water vapour condenses as dew), with the consequent widespread formation of low, thick clouds.
Some of the flow continues around South Africa as narrow (50 km or 30 mi wide) filaments that cool rapidly and mix with the surrounding waters in the large upwelling zone off Africa's Namibia coast.
«For those not in the know» La Nina is the direct consequence of the return of trade winds to their normal strength after a Nino so that renewed surface wind stress plus the Coriolis effect generate upwelling of cool water along the equatorial region: go read it up in any decent, old - fashioned text - book on physical oceanography published after about 1970....
A warm band of relatively constant temperature (18 - 22 °C) and salinity (36.0 - 36.2 psu) is observed near the bottom year - round just inshore of the shelf break, bounded by seasonally variable waters on the inshore side, and by fluctuating waters subject to cool - water upwelling events and warm Gulf Stream intrusions on the offshore side.
Organisms living in areas where upwelling of cool, low pH water occurs (e.g. Eastern Pacific and Baltic Sea) may be acclimatized / adapted to acidification [31 — 34], whereas those living in areas with strong warming (e.g. Eastern Australia) may be acclimatized / adapted to increased temperature [7,35].
For the PDO it is better to see it as deep upwelling cold water spreading westwards through the upper layer, cooling it relative to the deeper layer.
That's because the upwelling of cold water associated with La Nina episodes or the cool phase of the PDO, for instance, delay the Planck response to an increase in external forcing and hence help maintain the TOA imbalance and help drive the ocean heat gain.
Reduced equatorial cloud cover during La Nina (due to the cooler sea surface temperature), combined with the strong upwelling (Ekman suction) in the eastern equatorial Pacific, does indeed lead to greater warming of the ocean - because it's bringing cool subsurface water to the surface, where it can be heated by the sun.
They explain the lesser warming in the East Pacific Ocean, near South America, as being due to the fact this region is kept cool by upwelling, rising of deeper colder water to shallower depths.
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