Sentences with phrase «rising deep ocean waters»

Sardines thrived here, feeding on the rich blooms of plankton fertilized by nutrients carried along by rising deep ocean waters.

Not exact matches

As these winds enhance ocean circulation, they may be encouraging carbon - rich waters to rise from the deep, say the team, meaning that surface water is less able to absorb CO2 from the atmosphere.

Driven by stronger winds resulting from climate change, ocean waters in the Southern Ocean are mixing more powerfully, so that relatively warm deep water rises to the surface and eats away at the underside of theocean waters in the Southern Ocean are mixing more powerfully, so that relatively warm deep water rises to the surface and eats away at the underside of theOcean are mixing more powerfully, so that relatively warm deep water rises to the surface and eats away at the underside of the ice.

The rising temperatures cause layers of ocean water to stratify so the more oxygen - rich surface waters are less able to mix with oxygen - poor waters from the deeper ocean.

Today, cold water sinks near the Arctic and flows deep below the surface of the Atlantic toward the southern oceans, where it rises up.

At the edge of the Pacific continental shelf, deeper, nutrient - rich waters rise to the ocean's surface.

El Nino's mass of warm water puts a lid on the normal currents of cold, deep water that typically rise to the surface along the equator and off the coast of Chile and Peru, said Stephanie Uz, ocean scientist at Goddard Space Flight Center in Greenbelt, Maryland.

However, when temperatures warm over the Antarctic regions, deep waters rise from the floor of the ocean much closer to the continent.

A new study found that vulnerability of deep - sea biodiversity to climate change's triple threat — rising water temperatures, and decreased oxygen, and pH levels — is not uniform across the world's oceans.

That means it sinks into the deeper layers of the ocean, and the contrast between this warm water and the undersea ice canyons contributes an unknown but substantial amount of sea level rise, said Josh Willis, an oceanographer at JPL in Pasadena, California.

Because existing phenomena — such as thermal expansion of water from warming — do not fully explain the corrected sea - level - rise number of 3.3 millimeters, stored heat in the deep ocean may be making a significant contribution, Cazenave said.

The method consists of supplying bubbles of compressed air from a perforated pipe lowered in the water, which then rise, taking with them colder water from deeper in the ocean.

During normal conditions, trade winds blow to the west across the tropical Pacific Ocean, piling up warm surface water in the western Pacific, and cold, deeper water rises up, or upwells, off the west coast of South America.

Upwelling — or deep ocean water rising to the surface following north winds off the Washington coast — was carrying acidic water to the surface.

In addition, seamounts rising into the ocean create obstacles that shape ocean currents and direct deep, nutrient - rich waters up the sloping sides of seamounts to the surface.

Coasteering is a unique blend of wild swimming, deep water jumps, negotiating sluices, tackling whirlpools and beating the rise & fall of the ocean.

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It's always worth remembering that the other end of the AMOC involves two main factors: (1) vorticity - mixing of heat from surface waters into the deep abyssal ocean (which decreases density causing the Atlantic Deep Water to start rising above the colder Antarctic Bottom Water) and (2) the wind - driven upwelling around the Antarctic Circumpolar Currdeep abyssal ocean (which decreases density causing the Atlantic Deep Water to start rising above the colder Antarctic Bottom Water) and (2) the wind - driven upwelling around the Antarctic Circumpolar CurrDeep Water to start rising above the colder Antarctic Bottom Water) and (2) the wind - driven upwelling around the Antarctic Circumpolar Current.

The warmer the ocean becomes, the less water rises from deeper down, meaning fewer resources will be brought to the surface water where phytoplankton live.

upwelling wind blows, moves water away, causes new water to rise up to replace it brings up tiny ocean organisms, minerals, and other nutrients from the deeper layers of the water.

The deep waters, being warmer than such surface waters, rise to the surface, as the upper layers sink slowly into the dark ocean depths.

Either this is a truism (the sun must be heating the ocean surface first) or it is meant to take into account the complex circulations that occur in the ocean, like the Gulf Stream's involvement in a vertical rise of waters from deep ocean layers in one region and sinking of the cooled surface waters as the stream reaches its northern limit.

A slight change of ocean temperature (after a delay caused by the high specific heat of water, the annual mixing of thermocline waters with deeper waters in storms) ensures that rising CO2 reduces infrared absorbing H2O vapour while slightly increasing cloud cover (thus Earth's albedo), as evidenced by the fact that the NOAA data from 1948 - 2008 shows a fall in global humidity (not the positive feedback rise presumed by NASA's models!)

It is not that heat enters the oceans which could reduce an increase in GMST, it is that colder deeper water must rise to the surface if warmer surface waters are being pushed downwards.

Of course, if the air were to be warmer than the ocean surface then evaporation would take the extra energy required from the air rather than the water and that 1 mm deep layer (0.3 C cooler than the ocean bulk) would rise to the surface and dissipate but that doesn't happen often or for long.

The effects of this marked shift in westerly winds are already being seen today, triggering warm and salty water to be drawn up from the deep ocean, melting large sections of the Antarctic ice sheet with unknown consequences for future sea level rise while the ability of the Antarctic Circumpolar Current to soak up heat and carbon from the atmosphere remains deeply uncertain.

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.

Since it takes several hundred years for the deep ocean water to cycle up to the top, where it can be warmed up and lose CO2, it makes sense to suppose that if a warming event is initiated by something else (like changes in the amount and spatial distribution of incoming solar radiation,) the concomitant rise in atmospheric CO2 (which would enhance the initial warming) might lag behind by several hundred years.

The warming of the surface of the ocean is thought to increase stratification within the water column, preventing the nutrients in the cool deep ocean from rising to the surface.

The warm water evaporates from the ocean surface, and the light, warm and humid air rises, leading to deep convection in the form of towering cumulonimbus clouds and heavy precipitation.

(By the way, neither has sea - level rise due to thermal expansion, because the thermal expansion coefficient is several times larger for warm surface waters than for the cold deep waters — again it is warming in the surface layers that counts, while the total ocean heat content tells us little about the amount of sea - level rise.)

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.