Sentences with phrase «flow of warm ocean»

After further analysis of the data, the scientists found that although a strong El Niño changes wind patterns in West Antarctica in a way that promotes flow of warm ocean waters towards the ice shelves to increase melting from below, it also increases snowfall particularly along the Amundsen Sea sector.

Not exact matches

Warm water flowing through the Indonesian archipelago from the Pacific to the Indian Ocean influences the climate of the surrounding regions.
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.
If you decouple that ice from where it's grounded — something that currents of warming water, already circulating around the Antarctic coast, could do — then water could flow beneath the inland ice and lubricate its slide into the ocean.
«The new data set will allow us to check if our ocean models can correctly represent changes in the flow of warm water under ice shelves,» he added.
Some glaciers on the perimeter of West Antarctica are receiving increased heat from deep, warm ocean currents, which melt ice from the grounding line, releasing the brake and causing the glaciers to flow and shed icebergs into the ocean more quickly.
Changes in flow patterns of warm Pacific Ocean air from the south were driving earlier spring snowmelt, while decreasing summer sea ice had the greatest influence on later onset of snowpack in the fall.
But now, a vulnerable glacier on the other side of the island, part of a massive flow of ice known as the Northeast Greenland Ice Stream, shows that yet another region of Greenland is feeling the effects of warming oceans.
Now, warming seawater intruding underneath has loosened the glaciers» grip on bedrock, speeding their flow toward the sea and causing increasing amounts of ice to break off into the ocean.
«Hurricanes almost always form over ocean water warmer than about 80 degrees F. in a belt of generally east - to - west flow called the trade winds.
As global warming affects the earth and ocean, the retreat of the sea ice means there won't be as much cold, dense water, generated through a process known as oceanic convection, created to flow south and feed the Gulf Stream.
The warm ocean water presently melting Totten Glacier — East Antarctica's largest glacier, which flows from the Aurora Basin — could be an early warning sign, said co-lead author Amelia Shevenell, an associate professor in the University of South Florida College of Marine Science.
A low - altitude flow of warm, moist air from an ocean area combined with a flow of cold, dry polar air high up creates maximum instability, which means that parcels of air heated near the surface rise rapidly, creating powerful updrafts.
«As more freshwater flows into the Arctic Ocean due to global warming, I think we are going to see it become more brackish,» said Eberle, also curator of fossil vertebrates at the University of Colorado Museum of Natural History.
Co-author Dr Ivan Haigh, lecturer in coastal oceanography at the University of Southampton and also based at NOCS, adds: «Historical observations show a rising sea level from about 1800 as sea water warmed up and melt water from glaciers and ice fields flowed into the oceans.
Increased warming of the cool skin layer (via increased greenhouse gases) lowers its temperature gradient (that is the temperature difference between the top and bottom of the layer), and this reduces the rate at which heat flows out of the ocean to the atmosphere.
Once heated, the ocean surface becomes warmer than the atmosphere above, and because of this heat flows from the warm ocean to the cool atmosphere above.
In today's ocean, warm, salty surface water from the Caribbean, the Gulf of Mexico, and the equatorial Atlantic flows northward in the Gulf Stream.
The same concept applies to the cool skin layer - warm the top of the layer and the gradient across it decreases, therefore reducing heat flowing out of the ocean.
Adding further greenhouse gases to the atmosphere warms the ocean cool skin layer, which in turn reduces the amount of heat flowing out of the ocean.
The warm Indian Ocean flows across this wonderful coastline providing it with an abundance of beautiful tropical fish and coral reefs.
A sea breeze, which is caused by the temperature and pressure difference between warm areas inland and the cool air over the ocean, often develops on warm summer days as well, increasing the on - shore flow pattern and maintaining a constant flow of marine stratus clouds onto the coastal areas.
There are two distinct environment zones, the warmer clearer north and the cooler south, resulting from the north to south flow of water from the Pacific into the Indian Ocean.
«Borehole temperatures in the ice sheets spanning the last 6000 years show Antarctica repeatedly warming when Greenland cooled, and vice versa... The phenomena has been called the polar see - saw... Attempts to account for it have included the hypothesis of a south - flowing warm ocean current with a built in time lag... There is (however) no significant delay in the Anarctica climate anomaly...
Eventually the flow diminishes and even if it did, the effect of CO2 persists for thousands of years — plenty of time to warm the entire ocean.
There was an interesting study in Nature Geoscience last Sunday showing pretty clearly that the accelerating flow of the Jacobshavn glacier in recent years was most likely driven by an influx of warm deep seawater, and that shift was likely due to changes in pressure and wind patterns over the North Atlantic Ocean.
The currents flowing across the sill bring warm Atlantic water into the polar sea, and although the net gain each year is tiny, over thousands of years it is enough to make the Arctic Ocean very much warmer.
Water from the melting ice makes the oceans rise, only a fraction of an inch a year but, in the fullness of time, enough to let the currents increase their flow over the northern sill, bringing ever more warm water into the gelid Arctic.
eadler2 January 10, 2015 at 5:54 pm ... When ocean surface temperatures cool, due to a La Nina, the warmer surface water is mixed deeper into the ocean and cooler ocean water flows along the surface of the Pacific.
Increased melting in the warmer summer is causing the internal drainage system of the ice sheet to accommodate more melt - water, without speeding up the flow of ice toward the oceans, the journal Nature reports.
When ocean surface temperatures cool, due to a La Nina, the warmer surface water is mixed deeper into the ocean and cooler ocean water flows along the surface of the Pacific.
As you say, the net flow of energy is always between a warmer ocean surface and a colder atmosphere.
It is proposed by Realclimate that the extra down welling infrared radiation warms up that top single millimetre layer (they call it the ocean «skin») a tiny bit and apparently that is enough to disrupt the worldwide flow of heat energy from ocean to air to space with the result that the oceans release incoming solar energy more slowly so that heat builds up in the oceans.
The Atlantic overturning is driven by the differences in the density of the ocean water: when the warm, lighter water flows from south to north it becomes colder, denser and heavier, making it sink deeper and flow back southwards.
When cold, dense water of the polar regions sinks and flows beneath warmer ocean water.
The wild exaggerations of both the direct CO2 warming and the supposedly more serious knock - on warming are rooted in an untruth: the falsehood that scientists know enough about how clouds form, how thunderstorms work, how air and ocean currents flow, how ice sheets behave, how soot in the air behaves.
Such a change will accelerate the flow of heat energy from the ocean surface to the atmosphere and offset any warming of the «skin» from any extra CO2 caused by humans.
A «winter snow storm» from a flow of moisture that originated over record warm ocean temperatures of the Pacific.
A recent, widely publicized research study has suggested that the ocean's «thermohaline» circulation that keeps the Earth's north polar region warmed by the flow of tropical water northward could suddenly shut down.
In the real world the most obvious and most common reason for an increase in the speed of energy flow through the system occurs naturally when the oceans are in warm surface mode and solar input to the oceans due to reduced global albedo is high as apparently occurred during the period 1975 to 1998.
The warming is not homogeneous, and further proof that it is not the atmosphere warming the ocean directly, but GH gas concentrations altering the flow of energy out of the ocean.
In northern latitudes during winter areas like Europe would much more affected by ocean warming - one would tropical like conditions during the winter in regions currently strongly affected by warmth of gulf stream - though the flow of gulf stream would greatly diminished, the ocean temperature would be significantly increased.
The global temperature switches from cooling to warming mode frequently as a result of the ever changing interplay between variations in solar influence and intermittent heat flows from the oceans.
«If it also has heat flowing into rather than out of the oceans during the growth of the warm phase of this mode,»
If it also has heat flowing into rather than out of the oceans during the growth of the warm phase of this mode, that would be even more dramatic news.
Natural variability might modulate the flow of energy between parts of the system, such as from ocean to atmosphere, but the «pace of climate warming», as in the general gain in energy (or loss of energy) of the entire climate system, can only be dictated by some external forcing, such as somthing that changes the amount of solar radiation reaching the surface, volcanoes, or changes in GH gas concentrations.
Did warming of the earth ever start, or was it just a variation in the flow of energy between ocean and atmosphere?
Form as cold, dense water of the polar regions sinks and flows beneath warmer ocean water.
El Ni o an irregular variation of ocean current that, from January to February, flows off the west coast of South America, carrying warm, low - salinity, nutrient - poor water to the south; does not usually extend farther than a few degrees south of the Equator, but occasionally it does penetrate beyond 12 S, displacing the relatively cold Peruvian current; usually short - lived effects, but sometimes last more than a year, raising sea - surface temperatures along the coast of Peru and in the equatorial eastern Pacific Ocean, having disastrous effects on marine life and fiocean current that, from January to February, flows off the west coast of South America, carrying warm, low - salinity, nutrient - poor water to the south; does not usually extend farther than a few degrees south of the Equator, but occasionally it does penetrate beyond 12 S, displacing the relatively cold Peruvian current; usually short - lived effects, but sometimes last more than a year, raising sea - surface temperatures along the coast of Peru and in the equatorial eastern Pacific Ocean, having disastrous effects on marine life and fiOcean, having disastrous effects on marine life and fishing
Have no idea who the «climate clique» is, but the greater energy storage capacity and greater thermal inertia of the oceans combined with the fact that net heat flow is always from oceans to atmosphere would dictate that the oceans would show more consistent long - term warming than the atmosphere.
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