This would create a low level barrier of marine clouds that would reduce sunlight
warming the surface ocean.
Evidence that
warm surface ocean oscillations are associated with increased downward net radiation at the TOA.
9: Why, if CO2 - driven warming ought to
warm the surface ocean first, is the ocean warming from below?
Because only very cold surface water is able to sink, it is simple to understand that the deep ocean can never warm up, regardless of how
warm the surface ocean around the world may become.
A warming surface ocean is also likely to increase the density stratification of the water column (i.e., Steinacher et al., 2010), altering the circulation and potentially increasing the isolation of waters in an OMZ from contact with the atmosphere, hence increasing the intensity of the OMZ.
Not exact matches
While this is bad news for the planet, it's good news for climate change scientists who have — for the last two decades — puzzled over
warming trends in
ocean surface temperatures for nearly 20 years.
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.
Evidence from the National Aeronautics and Space Administration (NASA) shows that global sea levels in the last two decades are rising dramatically as
surface temperatures
warm oceans and...
El Niño is an abnormal periodic
warming of
surface ocean water off the Pacific coast of South America.
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.
Rich wildlife at this Southern
Ocean island faces
surface waters 1.8 degrees F
warmer in winter and 4.1 degrees F
warmer in summer than they were 80 years ago
Gerald Meehl, a climate scientist at the National Center for Atmospheric Research who was also an author on the paper, said this research expanded on past work, including his own research, that pointed to the Interdecadal Pacific Oscillation as a factor in a
warming slowdown by finding a mechanism behind how the Pacific
Ocean was able to store enough heat to produce a pause in
surface 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
When
ocean cycle shifts, globe is likely to
warm up When climate models were run that included the stronger winds, they were able to reproduce the slowdown in
surface temperatures.
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.
During El Niño events,
warmer surface water in the east Pacific
Ocean changes the world's weather.
«We're finding planets with
ocean that, although cold at the
surface, are likely
warm at the bottom.
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 the
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 the
Ocean 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.
In periods when the
ocean surface warms (associated with red), the prevailing winds are more prone to sweep down from the north.
But at breaks in the cloud deck, smoke has the opposite effect: It is brighter than the dark
ocean surface, reflecting solar radiation and reducing
warming.
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.
The
ocean surface is
warming.
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.
They pointed to a
warmer atmosphere, which carries more water vapor to worsen rainstorms, as well as to higher
ocean surface temperatures, which intensify hurricanes.
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.»
Ocean Only: The global ocean surface temperature for the year to date was 0.99 °F (0.55 °C) above average, tying with 2010 as the second warmest such period on record, behind only
Ocean Only: The global
ocean surface temperature for the year to date was 0.99 °F (0.55 °C) above average, tying with 2010 as the second warmest such period on record, behind only
ocean surface temperature for the year to date was 0.99 °F (0.55 °C) above average, tying with 2010 as the second
warmest such period on record, behind only 1998.
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.
Exploration missions have suggested that Mars once had a
warm climate, which sustained
oceans on its
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.