We find that over a wide range of values of diapycnal diffusivity and
Southern Ocean winds, and with a variety of changes in surface boundary conditions, the spatial patterns of ocean temperature anomaly are nearly always determined as much or more by the existing heat reservoir redistribution than by the nearly passive uptake of temperature due to changes in the surface boundary conditions.
Clarify the apparent disagreement between models of different complexity regarding: i) the role of
Southern Ocean winds and ii) the role of Nordic Seas overflows in maintaining and modulating the AMOC.
Antartic must be a target as well for the ice is warming dramatically
Southern ocean winds possibly contributing to this.
Any answer on this is speculative but the activity of the Sun with its impact on
Southern Ocean winds provides an intriguing parallel to the ENSO proxy shown above.
Climate models project a continued intensification in
the Southern Ocean winds throughout the 21st century if atmospheric CO2 continues to increase (28).
Observations suggest that the trend in
the Southern Ocean winds may be a consequence of the depletion of stratospheric ozone (26).
Changes in Southern Ocean circulation resulting from changes in
Southern Ocean winds (23) or buoyancy fluxes (24) have been identified as the dominant cause of atmospheric CO2 changes (9,10,25).
Clarify the apparent disagreement between models of different complexity regarding i) the role of
Southern Ocean wind and ii) the role of Nordic Seas overflows in maintaining and modulating the AMOC.
Not exact matches
The
Southern Ocean sink strength is, at present, determined by the
winds in that part of the world.
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.
As well as confirming the tropospheric hotspot, the researchers also found a 10 % increase in
winds over the
Southern Ocean.
Antarctica's strong Circumpolar Deep Current circles the entire continent, driven by strong
winds called westerlies, which also create the
Southern Ocean's dangerous and choppy waters.
It's known that when ice sheets start to melt, cooling the air in that region, the
winds over the
Southern Ocean strengthen, Toggweiler says.
«To put this in some kind of context, if those small scale eddies did not increase with
wind stress then the saturation of carbon dioxide in the
Southern Ocean sink would occur twice as rapidly and more heat would enter our atmosphere and sooner.»
The intensification of
winds in the
Southern Ocean is a result of both the depletion of ozone and global warming's affects on the
Southern Annular Mode (SAM).
«Considering the
Southern Ocean absorbs something like 60 % of heat and anthropogenic CO2 that enters the ocean, this wind has a noticeable effect on global warming,» said lead author Dr Andy Hogg from the Australian National University Hub of the ARC Centre of Excellence for Climate System Sci
Ocean absorbs something like 60 % of heat and anthropogenic CO2 that enters the
ocean, this wind has a noticeable effect on global warming,» said lead author Dr Andy Hogg from the Australian National University Hub of the ARC Centre of Excellence for Climate System Sci
ocean, this
wind has a noticeable effect on global warming,» said lead author Dr Andy Hogg from the Australian National University Hub of the ARC Centre of Excellence for Climate System Science.
This happened in two steps: First, in the Antarctic zone of the
Southern Ocean, a reduction in
wind - driven upwelling and vertical mixing brought less deep carbon to the surface.
«If the
winds continue to increase as a result of global warming, then we will continue to see increased energy in eddies and jets that will have significant implications for the ability of the
Southern Ocean to store carbon dioxide and heat,» said Dr Hogg.
Changes to Antarctic
winds have already been linked to
southern Australia's drying climate but now it appears they may also have a profound impact on warming
ocean temperatures under the ice shelves along the coastline of West and East Antarctic.
They confirmed that human - induced changes have caused the belt of prevailing westerly
winds over the
Southern Ocean to shift towards Antarctica.
At the same time, poleward shifts of westerly
winds in the
Southern Ocean reduced the region's ability to suck up CO2 as have mid-latitude droughts, which slowed the growth rate of forests and plants that capture carbon.
Climate change is expected to increase the intensity of
winds over the
Southern Ocean throughout the next century, and the new findings show that Totten Glacier will probably respond to the changing
winds.
A new study has found that turbulent mixing in the deep waters of the
Southern Ocean, which has a profound effect on global ocean circulation and climate, varies with the strength of surface eddies — the ocean equivalent of storms in the atmosphere — and possibly also wind sp
Ocean, which has a profound effect on global
ocean circulation and climate, varies with the strength of surface eddies — the ocean equivalent of storms in the atmosphere — and possibly also wind sp
ocean circulation and climate, varies with the strength of surface eddies — the
ocean equivalent of storms in the atmosphere — and possibly also wind sp
ocean equivalent of storms in the atmosphere — and possibly also
wind speeds.
Meanwhile, on the cut - off high's eastern side,
winds heading south drove cold air from the Arctic
Ocean toward Greenland's
southern tip, bringing the lower than usual temperatures there.
Here, gradual changes in the prevailing westerly
winds have modified the
ocean - atmosphere heat exchange, particularly in the Southern Indian O
ocean - atmosphere heat exchange, particularly in the
Southern Indian
OceanOcean.
We will measure how fast the streams flow, how turbulent they are, and how they respond to changes in
winds over the
Southern Ocean.
«This means that the
Southern Ocean's nutrient supply would be affected by changes to the climate system (such as winds and freshwater input) differently to other areas of the o
Ocean's nutrient supply would be affected by changes to the climate system (such as
winds and freshwater input) differently to other areas of the
oceanocean.
According to the model,
wind and
ocean currents often transport meltwater around the
southern tip of Greenland on a westward journey that can take upward of 60 days.
Richard Alley, a Penn State geosciences professor who wasn't involved with the new study, said far more work is needed to understand the effects of
wind and
ocean changes in the
Southern Hemisphere's most frigid stretches.
The effects of
wind changes, which were found to potentially increase temperatures in the
Southern Ocean between 660 feet and 2,300 feet below the surface by 2 °C, or nearly 3.6 °F, are over and above the ocean warming that's being caused by the heat - trapping effects of greenhouse g
Ocean between 660 feet and 2,300 feet below the surface by 2 °C, or nearly 3.6 °F, are over and above the
ocean warming that's being caused by the heat - trapping effects of greenhouse g
ocean warming that's being caused by the heat - trapping effects of greenhouse gases.
The
Southern Ocean's legendary
winds have been blowing more fiercely and in a more poleward direction since the 1950s.
The temperature difference between the
Southern Great Plains and the Atlantic
Ocean produces
winds that carry moisture from the Gulf of Mexico to the Great Plains, according to a recent study in Nature Communications.
The
Southern Hemisphere's unrelenting
winds and frigid air froze
ocean water into 7.6 million square miles (19.7 million square kilometers) of Antarctic sea ice this winter, according to the National Snow and Ice Data Center (NSIDC).
Possible mechanisms include (iv) fertilization of phytoplankton growth in the
Southern Ocean by increased deposition of iron - containing dust from the atmosphere after being carried by winds from colder, drier continental areas, and a subsequent redistribution of limiting nutrients; (v) an increase in the whole ocean nutrient content (e.g., through input of material exposed on shelves or nitrogen fixation); and (vi) an increase in the ratio between carbon and other nutrients assimilated in organic material, resulting in a higher carbon export per unit of limiting nutrient expo
Ocean by increased deposition of iron - containing dust from the atmosphere after being carried by
winds from colder, drier continental areas, and a subsequent redistribution of limiting nutrients; (v) an increase in the whole
ocean nutrient content (e.g., through input of material exposed on shelves or nitrogen fixation); and (vi) an increase in the ratio between carbon and other nutrients assimilated in organic material, resulting in a higher carbon export per unit of limiting nutrient expo
ocean nutrient content (e.g., through input of material exposed on shelves or nitrogen fixation); and (vi) an increase in the ratio between carbon and other nutrients assimilated in organic material, resulting in a higher carbon export per unit of limiting nutrient exported.
Therefore regionally stronger
winds could occur, and in the
Southern Ocean that can impact overturning / mixing through Ekman Transport, the
Southern Ocean is big!
Winding almost 250 km along the
southern coast of Victoria, the Great
Ocean Road is one of the world's most scenic driving routes.
Meanwhile, Australia's longest river, the Murray,
winds through South Australia from its source near the ski slopes in the Australian Alps, and drains into lakes near the river mouth, before emptying into the
Southern Ocean near the waterbird - rich lagoons of the Coorong.
Take a drive on the spectacular Great
Ocean Road, which
winds alongside the wild and windswept
Southern Ocean.
One of Australia's most spectacular natural wonders is the Great
Ocean Road, a Natural Heritage Listed, 243 kilometres stretch of road which
winds along
southern Victoria.
Castaways Apollo Bay is located six kilometres east of Apollo Bay on the world famous Great
Ocean Road, which
winds it's way along the rugged
southern Victorian coastline only 2 1/2 hours from Melbourne.
Day Two — Magnificent coastal and range views,
wind turbine, Dunn Cottage, Hopetoun past and present,
Southern Ocean Discovery Centre, House of Straw.
The villa's
southern exposure and design also boasts persistent, cooling trade
winds that make outdoor relaxing, dining or swimming a delight and that allow guests the luxury of sleeping comfortably while listening to the soothing sounds of the
ocean.
Tinley Manor's
southern boundary features a long lagoon that opens into the Indian
Ocean and provides safe paddle - skiing,
wind - surfing, and bird watching.
If the
wind is right, you can feel the spray of the
ocean while you sip a beverage at this Ocean City B&B at the state's southern
ocean while you sip a beverage at this
Ocean City B&B at the state's southern
Ocean City B&B at the state's
southern tip.
We
wind our way through the Rocky River Valley to the
Southern Ocean, learning about the native flora and fauna of this unique eco-system.
«Edge of the
Ocean» at Sparks Gallery features artwork from 36 Southern California artists exploring their relationship with the San Diego coastline: capturing the feeling of the sand, water, wind, animal life and plant life, as well as the natural beauty of the shape & form of the edge of the o
Ocean» at Sparks Gallery features artwork from 36
Southern California artists exploring their relationship with the San Diego coastline: capturing the feeling of the sand, water,
wind, animal life and plant life, as well as the natural beauty of the shape & form of the edge of the
oceanocean.
More than likely, the isotopic signal (the distribution of 13C - depleted carbon that invaded the atmosphere) indicates that carbon should have been «mined» from the
Southern ocean as a result of the displacement of southern winds, sea ice, and perturbations to the ocean's biological pump (e.g., Anderson et al.
Southern ocean as a result of the displacement of
southern winds, sea ice, and perturbations to the ocean's biological pump (e.g., Anderson et al.
southern winds, sea ice, and perturbations to the
ocean's biological pump (e.g., Anderson et al., 2009).
The significant difference between the observed decrease of the CO2 sink estimated by the inversion (0.03 PgC / y per decade) and the expected increase due solely to rising atmospheric CO2 -LRB--0.05 PgC / y per decade) indicates that there has been a relative weakening of the
Southern Ocean CO2 sink (0.08 PgC / y per decade) due to changes in other atmospheric forcing (
winds, surface air temperature, and water fluxes).
So, assume the
Southern Ocean basically
winds down soon to where under current emission conditions, it absorbs no more C02.
We found that nearly half of the decline in the efficiency of the
ocean CO2 sink is due to the intensification of the winds in the Southern Ocean.&r
ocean CO2 sink is due to the intensification of the
winds in the
Southern Ocean.&r
Ocean.»