Sentences with phrase «warming of surface ocean»

The most likely scenario is that suggested by the climate model in Meehl (2011) & Meehl (2013)- the majority of this slowing of surface temperatures is due to natural variabilty (deep ocean warming) superimposed atop a long - term warming trend (greenhouse gas - induced warming of the surface ocean).
Warming of surface ocean waters is well known, but how the subsurface waters are changing is less clear.
The researchers found that Mount Pinatubo's eruption still kept much of the world dry, even after taking into consideration the drying effects of El Niño an abnormal warming of surface ocean waters in the eastern tropical Pacific.
It is enhanced too by the formation of deep water in the polar regions, but slowed by the warming of the surface ocean.
El Niño is an abnormal periodic warming of surface ocean water off the Pacific coast of South America.

Not exact matches

According to a big chunk of ocean surface temperature recorded by boat, the oceans were not warming nearly as quickly as the rest of the planet.
The floods have been triggered by the weather event known as El Nino, a warming of surface temperatures in the Pacific Ocean that wreaks havoc on weather patterns every few years.
The Atlantic Ocean surface circulation is an important part of the Earth's global climate, moving warm water from the tropics towards the poles.
Those weather patterns are linked to warmer surface temperatures in the Pacific and Atlantic oceans, respectively, and correlated with the timing of observed floods on the lower Mississippi.
While it is still possible that other factors, such as heat storage in other oceans or an increase in aerosols, have led to cooling at the Earth's surface, this research is yet another piece of evidence that strongly points to the Pacific Ocean as the reason behind a slowdown in warming.
The cycle of Pacific Ocean surface water warming and cooling has become more variable in recent decades, suggesting El Niño may strengthen under climate change
They identified wind patterns that mixed the warmer surface and colder deep waters to cool the ocean's surface and reduce the intensity of the storm.
And around Antarctica, where even the surface ocean water is already quite cold and dense, some of that water in the ocean depths, which is also carbon rich, eventually warmed enough so that it became less dense than the water above it.
Higher sea surface temperatures led to a huge patch of warm water, dubbed «The Blob,» that appeared in the northern Pacific Ocean more than two years ago.
The finding surprised the University of Arizona - led research team, because the sparse instrumental records for sea surface temperature for that part of the eastern tropical Pacific Ocean did not show warming.
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.
Koslow has researched the impact of climate - change - driven warming on what are known as oxygen minimum zones (OMZs), naturally occurring low - oxygen regions found well below the ocean's surface.
The simulations suggest that over decades, these warming events dramatically perturb the ocean surface, affecting the flow of the Atlantic Meridional Overturning Circulation, a system of currents that acts like a conveyor belt moving water around the planet.
The research, an analysis of sea salt sodium levels in mountain ice cores, finds that warming sea surface temperatures in the tropical Pacific Ocean have intensified the Aleutian Low pressure system that drives storm activity in the North Pacific.
Scientists define them as periods when the sea surface in a given area of the ocean gets unusually warm for at least five days in a row.
The more heat in the Pacific, the bigger the El Niño, and right now, 150 metres below the surface, a ball of warm water is crossing that ocean.
They found that adding five years of strong trade winds created powerful ocean currents that buried the warm surface water, bringing cooler water to the surface.
Studies of historical records in India suggest that reduced monsoon rainfall in central India has occurred when the sea surface temperatures in specific regions of the Pacific Ocean were warmer than normal.
«I am very interested in these wind speed increases and whether they may have also played some role in slowing down the warming at the surface of the ocean,» said Prof Sherwood.
Charlie's research told him that during El Niño weather cycles, the surface seawaters in the Great Barrier Reef lagoon, already heated to unusually high levels by greenhouse gas — induced warming, were being pulsed from a mass of ocean water known as the Western Pacific Warm Pool onto the reef's delicate living corals.
So, for example, a big part of what drives a hurricane is the fact that you've got a lot of warm water near the surface of the ocean that is transferring heat into the air, and that's what's moving up, and that is a big part of then what's propelling the entire bigger storm system.
Whale sharks that make lengthy dives into the cold ocean depths to forage tend to spend a lot of time at the surface warming up afterward, a new study suggests.
Analyzing data collected over a 20 - month period, scientists from NASA's Goddard Space Flight center in Greenbelt, Md., and the Massachusetts Institute of Technology found that the number of cirrus clouds above the Pacific Ocean declines with warmer sea surface temperatures.
The opposite occurred in 1997 and 1998, when warm surface waters in the Pacific Ocean brought about by El Niño pushed rainfall systems north, leaving parts of the southern and eastern Amazon forest dry and prone to fires.
As of March 2013, surface waters of the tropical north Atlantic Ocean remained warmer than average, while Pacific Ocean temperatures declined from a peak in late fall.
We've narrowed the uncertainty in surface warming projections by generating thousands of climate simulations that each closely match observational records for nine key climate metrics, including warming and ocean heat content.»
Year - round ice - free conditions across the surface of the Arctic Ocean could explain why Earth was substantially warmer during the Pliocene Epoch than it is today, despite similar concentrations of carbon dioxide in the atmosphere.
That means studying changes in the Pliocene atmosphere, the land surface and most of all the oceans, which absorb the bulk of planetary warming.
Year - round ice - free conditions across the surface of the Arctic Ocean could explain why Earth was substantially warmer during the Pliocene Epoch than it is today, despite similar concentrations of carbon dioxide in the atmosphere, according to new research carried out at the University of Colorado Boulder.
Schimdt has found evidence that warm ocean currents and convective forces beneath Europa's frozen shell can cause large blocks of ice to overturn and melt, bringing vast pockets of water, sometimes holding as much liquid as all of the Great Lakes combined, to within several kilometers of the moon's icy surface.
The wind keeps a layer of warm water near the surface in Indonesia, reducing the temperature difference across the Indian Ocean and so minimising the strength of positive IOD events.
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.
Even as the surface warms, the deeps remain cool, and this cold water will continue to periodically push the ocean out of the El Niño state.
The area boasts the world's warmest ocean temperatures and vents massive volumes of warm gases from the surface high into the atmosphere, which may shape global climate and air chemistry enough to impact billions of people worldwide.
It's unclear whether this year's strong El Niño event, which is a naturally occurring phenomenon that typically occurs every two to seven years where the surface water of the eastern equatorial Pacific Ocean warms, has had any impact on the Arctic sea ice minimum extent.
The El Nino weather pattern is a warming of ocean surface temperatures in the eastern and central Pacific and usually brings hot, dry, and often drought conditions to Australia.
At the same time as the surface is cooling, the deeper ocean is warming, which has already accelerated the decline of glaciers in the Amundsen Sea Embayment.»
And two, as the surface of the ocean warms, its density decreases and the oceans become more stratified.
«Cold, deep water from this little area of the Nordic seas, less than 1 % of the global ocean, travels the entire planet and returns as warm surface water.
When it comes to slowing down global warming, the world's oceans — 70 percent of the planet's surface — may be Homo sapiens» best hope for a stable future.
«Warm summers could weaken ocean circulation: Long - term observations reveal the influence of increased surface freshening on convection in the subpolar North Atlantic.»
Over the course of coming decades, though, trade wind speed is expected to decrease from global warming, Thunell says, and the result will be less phytoplankton production at the surface and less oxygen utilization at depth, causing a concomitant increase in the ocean's oxygen content.
El Niño has helped to boost temperatures this year, as it leads to warmer ocean waters in the tropical Pacific, as well as warmer surface temperatures in many other spots around the globe, including much of the northern half of the U.S..
Invasive species are entering the region with or without shipping, says Ted Scambos of the National Snow and Ice Data Center in Colorado; warming of the Arctic Ocean's surface temperatures has already increased mixing with foreign waters and all the microbes they contain.
For example, scientists have found that El Niño and La Niña, the periodic warming and cooling of surface waters in the central and eastern tropical Pacific Ocean, are correlated with a higher probability of wet or dry conditions in different regions around the globe.
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