Sentences with phrase «ocean circulation increases»

In the AM2 - based model, low cloudiness decreases as ocean circulation increases, reinforcing the sea ice changes in reducing the planetary reflectivity, and warming the climate.

Thus, when the ocean circulations increase the resistor efficiency of the oceans by slowing the release of energy into the air then the air follows by increasing it's own resistor efficiency by exposing less equatorial air to space.

Not exact matches

Because of the clockwise nature of ocean circulation around Greenland, most of the freshwater increase, up to 70 percent, is being driven toward the Labrador Sea, magnifying its impact and increasing the possibility of significant effects on the AMOC, said Qian Yang, the paper's first author and a PhD student at USF whose dissertation, in part, includes this research.

At a global scale, the increased melting of the ice sheet contributes to rising sea level and may impact global ocean circulation patterns through the so - called «thermohaline circulation'that sustains among others, the Gulf Stream, which keeps Europe warm.

Study co-author Katy Sheen, a Postdoctoral Research Fellow from Ocean and Earth Science at the University of Southampton, says: «These findings will help us to understand the processes that drive the ocean circulation and mixing so that we can better predict how our Earth system will respond to the increased levels of carbon dioxide that we have released into the atmosphere.&rOcean and Earth Science at the University of Southampton, says: «These findings will help us to understand the processes that drive the ocean circulation and mixing so that we can better predict how our Earth system will respond to the increased levels of carbon dioxide that we have released into the atmosphere.&rocean circulation and mixing so that we can better predict how our Earth system will respond to the increased levels of carbon dioxide that we have released into the atmosphere.»

As a result there was an increase in moisture transport out of the Atlantic, which effectively increased the salinity and density, of the ocean surfaces, leading to an abrupt increase in circulation strength and temperature rise.

«Warm summers could weaken ocean circulation: Long - term observations reveal the influence of increased surface freshening on convection in the subpolar North Atlantic.»

He believes that changes in ocean circulation have warmed the Atlantic and increased hurricane activity in the past decade and that this is simply the result of normal oscillation in natural climate cycles.

A new analysis using changes in cloud cover over the tropical Indo - Pacific Ocean showed that a weakening of a major atmospheric circulation system over the last century is due, in part, to increased greenhouse gas emissions.

We know, however, that rapid warming of the planet increases the risk of crossing climatic points of no return, possibly setting in motion large - scale ocean circulation changes, the loss of major ice sheets, and species extinctions.

The observed and projected rates of increase in freshwater runoff could potentially disrupt ocean circulation if global temperatures rise by 3 to 4 °C over this century as forecast by the IPCC 2001 report.

If it is true, as some studies suggest for example, that El Nino events become more frequent and greater in magnitude due to anthropogenic forcing (this is not yet a settled issue), then, given the established relationship between the El Nino / Southern Oscillation (ENSO) and the extratropical Pacific / North American atmospheric circulation, we might expect increased baroclinicity and greater storminess over a substantial region of the mid-latitude North Pacific ocean and neighboring western U.S..

Our general circulation model simulations, which take into account the recently observed widespread occurrence of vertically extended atmospheric brown clouds over the Indian Ocean and Asia3, suggest that atmospheric brown clouds contribute as much as the recent increase in anthropogenic greenhouse gases to regional lower atmospheric warming trends.

This means that an increase in temperature and the associated reorganization in ocean circulation, for instance, had less of an effect on the marine ecosystem's ability to absorb CO2 from the atmosphere and store it in the subsurface layers of the ocean.

Possible reasons include increased oceanic circulation leading to increased subduction of heat into the ocean, higher than normal levels of stratospheric aerosols due to volcanoes during the past decade, incorrect ozone levels used as input to the models, lower than expected solar output during the last few years, or poorly modeled cloud feedback effects.

Jacobs, S.S., Jenkins, A., Giulivi, C.F. & Dutrieux, P. Stronger ocean circulation and increased melting under Pine Island Glacier ice shelf.

Jacobs SS, Jenkins A, Giulivi CF, Dutrieux P. Stronger ocean circulation and increased melting under Pine Island Glacier ice shelf.

This could be do to changes in ocean circulation, and warming waters reaching the grounding lines for ice shelves in Arctic and Antarctica, leading to non-linear increase in melting and sea level rise, impossible to avoid on our current path.

Suppression of ocean circulation overturning decreases the ocean heat flux available to melt ice, leading to an increase in net ice production [13].

The assessment considered the impacts of several key drivers of climate change: sea level change; alterations in precipitation patterns and subsequent delivery of freshwater, nutrients, and sediment; increased ocean temperature; alterations in circulation patterns; changes in frequency and intensity of coastal storms; and increased levels of atmospheric CO2.

A recent paper by Vecchi and Soden (preprint) published in the journal Geophysical Research Letters has been widely touted in the news (and some egregiously bad editorials), and the blogosphere as suggesting that increased vertical wind shear associated with tropical circulation changes may offset any tendencies for increased hurricane activity in the tropical Atlantic due to warming oceans.

These results provide a larger context for recently observed declines in remotely sensed [chlorophyll] and are consistent with the hypothesis that increasing ocean warming is contributing to a restructuring of marine ecosystems, with implications for biogeochemical cycling, fishery yields and ocean circulation.

Increases in freshwater flow into the ocean affect ocean circulation, ocean acidification (see AMAP's 2013 report on Arctic Ocean acidification), and biological productivity, and affect weather patterns far to the socean affect ocean circulation, ocean acidification (see AMAP's 2013 report on Arctic Ocean acidification), and biological productivity, and affect weather patterns far to the socean circulation, ocean acidification (see AMAP's 2013 report on Arctic Ocean acidification), and biological productivity, and affect weather patterns far to the socean acidification (see AMAP's 2013 report on Arctic Ocean acidification), and biological productivity, and affect weather patterns far to the sOcean acidification), and biological productivity, and affect weather patterns far to the south.

The increased temperatures have been accompanied with changes in snow, sea - ice, precipitation, permafrost, icebergs, landice, river runoff, polar lows, synoptic storms, cloudiness, avalanches, ocean circulation, and ocean acidification.

If somehow and I can't possibly imagine how, there was a huge increase in circulation between the surface and the deeper layers of the ocean, that would be disastrous for global temperatures but not upwards but downwards!

The Nature study is talking about changes associated with ocean circulation even while CO2, and the global imbalance, and global temperature, is increasing.

There is so little understanding about how the ocean parses its response to forcings by 1) suppressing (local convective scale) deep water formation where excessive warming patterns are changed, 2) enhancing (local convective scale) deep water formation where the changed excessive warming patterns are co-located with increased evaporation and increased salinity, and 3) shifting favored deep water formation locations as a result of a) shifted patterns of enhanced warming, b) shifted patterns of enhanced salinity and c) shifted patterns of circulation which transport these enhanced ocean features to critically altered destinations.

[Response: Theoretically you could have a change in ocean circulation that could cause a drop in global mean temperature even while the total heat content of the climate system increased.

1) It seems to me that the key mechanism for any impact must be the changes that increased arctic ocean temperatures will impose on the atmospheric circulation feature known as the Polar Cell, and via this on the Ferrel cell which sits over the mid latitudes.

Consider the possibility that not just millions, but billions face disastrous consequences from the likes of (including but not limited to): Sandy (and other hybrid and out - of - season storms enhanced by the earth's circulatory eccentricities and warmer oceans); the drought in progress; wildfires; floods (just last week, Argentina had 16 inches of rain in 2 hours *); derechos; increased cold and snow in the north as the Arctic melts and cracks up, breaking up the Arctic circulation and sending cold out of what was previously largely a contained system, and losing its own consistent cold, seriously interfering with the Jet Stream, pollution of multiple kinds such as in China, the increase of algae and the like in our oceans as they heat, and food and water shortages.

There is also a natural variability of the climate system (about a zero reference point) that produces El Nino and La Nina effects arising from changes in ocean circulation patterns that can make the global temperature increase or decrease, over and above the global warming due to CO2.

An atmospheric general circulation model coupled to a simple mixed layer ocean was forced with altered implied ocean heat transports during a period of increasing trace gases.

Our general circulation model simulations, which take into account the recently observed widespread occurrence of vertically extended atmospheric brown clouds over the Indian Ocean and Asia, suggest that atmospheric brown clouds contribute as much as the recent increase in anthropogenic greenhouse gases to regional lower atmospheric warming trends.

This thesis presents the results of several general circulation model simulations aimed at studying the effect of ocean circulation changes when they occur in conjunction with increased atmospheric trace gas concentrations.

LTP / ocean upwelling can generate low - frequency anomalies that look like increasing trends over very short (relative to ocean circulation) time scales.

An increased number of simulations using EMICs or Atmosphere - Ocean General Circulation Models (AOGCMs) that are the same as, or related to, the models used in simulations of the climates of the 20th and 21st centuries are available for these periods.

Using an ocean circulation model for the shelf, the authors find that surface temperatures may increase by 0.5 to 2.0 °C, seasonal surface salinity may drop by up to 2 PSS in some areas, and that Haida Eddies will strengthen, as will the Vancouver Island Coastal Current and freshwater discharges into coastal waters.

«Climate Sensitivity Due to Increased CO2: Experiments with a Coupled Atmosphere and Ocean General Circulation Model.»

The study concludes significant correlation to global warming ocean temperatures continue to increase, and that further studies «this decline will need to be considered in future studies of marine ecosystems, geochemical cycling, ocean circulation and fisheries.»

«We know that interior ice melting [from Greenland] is increasing, but [a] new study suggests that, as yet, not enough meltwater has been released to affect ocean circulation significantly,» Langen told DMI.

Yet, we explained there is also reasonable basis for concern that a warming world may at least temporarily increase tornado damage including the fact that oceans are now warmer, and regional ocean circulation cycles such as La Nina / El Nino patterns in the Pacific which affect upper atmospheric conditions appear to becoming more chaotic under the influence of climate change.

Stronger vertical mixing invigorates the MOC [Meridonal Overturning Circulation] by an order of magnitude, increases ocean heat transport by 50 — 100 %, reduces the zonal mean equator - to - pole temperature gradients by up to 6 °C, lowers tropical peak terrestrial temperatures by up to 6 °C, and warms high - latitude oceans by up to 10 °C.»

Furthermore, such an increase might be enough, the Stern Review explains, to trigger a shutdown of the ocean's thermohaline circulation warming Western Europe, creating abrupt climate change, thereby plunging Western Europe into Siberian - like conditions.

Sea level rise in the Indian Ocean increases as monsoon circulation weakens & heat transport decreases.

The increasing global temperature, for instance, is linked to the 15 percent decline in the circulation of the Atlantic Ocean, which experts fear could disrupt weather patterns.

A simple model of this process is an increased vertical circulation in the ocean, such as an enhanced PDO, that brings cooler water to the surface faster and sequesters the warmer water faster.

In other words, what we are seeing is probably natural variability in this circulation against a warming background ocean state forced by the increased greenhouse effect.

And that event of climate change led to ocean surface warming, sea level rise, and increases in atmospheric carbon dioxide concentrations as changing ocean circulation delivered gases to the atmosphere.

Yes, afforestation of deserts (if it could be done) would increase the local temperatures and increase freshwater flow and thus reduce the salinity of the oceans and change circulation patterns.

«Ice loss also increases warming and can influence ocean circulation and weather — all of which can have impacts on people and ecosystems outside of the Arctic.»