Sentences with phrase «global ocean currents which»

This small warming is likely a result of the natural alterations in global ocean currents which are driven by ocean salinity variations.

Gray believes that the increased atmospheric heat — which he calls a «small warming» — is ``... likely a result of the natural alterations in global ocean currents which are driven by ocean salinity variations.»

Not exact matches

Ocean researchers from Kiel and Finland come to this conclusion in a current study, which will be published online yesterday (September 8th) in the journal Global Change Biology.

Antarctica was also more sensitive to global carbon dioxide levels, Cuffey said, which increased as the global temperature increased because of changing ocean currents that caused upwelling of carbon - dioxide - rich waters from the depths of the ocean.

The current global cycle of glaciation dates to this period and might have been triggered by a transformation of the world's ocean currents, which a slender rib of land separating Atlantic and Pacific would naturally explain.

The researchers paired MIT's global circulation model — which simulates physical phenomena such as ocean currents, temperatures, and salinity — with an ecosystem model that simulates the behavior of 96 species of phytoplankton.

I'm a fish geneticist so I won't bother commenting on «paleo - ocean current - ology», but it seems to me that glaciation would result in a reduction of fresh water inputs to the North Atlantic (during the ice age) and would therefore be quite different from the mechanism in question (which is related to early phases of global warming).

Gavin disputes that the main driver of the sea ice retreat is the albedo flip, but we are seeing not only polar amplification of global warming but positive feedback, which would not be explained simply by radiative forces and ocean currents.

2) Anthropogenic global warming will not affect the Arctic (or any other region) solely by increasing local temperatures, but also by its complex effects on climate as a whole, which includes affects on patterns of wind and ocean currents.

The surface heat capacity C (j = 0) was set to the equivalent of a global layer of water 50 m deep (which would be a layer ~ 70 m thick over the oceans) plus 70 % of the atmosphere, the latent heat of vaporization corresponding to a 20 % increase in water vapor per 3 K warming (linearized for current conditions), and a little land surface; expressed as W * yr per m ^ 2 * K (a convenient unit), I got about 7.093.

bozzza - The differences in the Arctic are perhaps 1/4 the ocean thermal mass as global ocean averages, small overall size (the smallest ocean), being almost surrounded by land (which warms faster), more limited liquid interchanges due to bottlenecking than the Antarctic, and very importantly considerable susceptibility to positive albedo feedbacks; as less summer ice is present given current trends, solar energy absorbed by the Arctic ocean goes up very rapidly.

Changes in global weather patterns As ocean heats up, hurricanes & typhoons will become more common Cause changes in ocean currents, which cause changes in weather.

The changing phases of Atlantic hurricane activity are not completely understood; but there appears to be a link to fluctuations in the thermohaline circulation, the global pattern of ocean currents which in western Europe appears as the Gulf Stream.

We should be more worried about global warming upsetting the ocean currents by overheating the ocean, which is now happening at an alarming rate.

Previous large natural oscillations are important to examine: however, 1) our data isn't as good with regards to external forcings or to historical temperatures, making attribution more difficult, 2) to the extent that we have solar and volcanic data, and paleoclimate temperature records, they are indeed fairly consistent with each other within their respective uncertainties, and 3) most mechanisms of internal variability would have different fingerprints: eg, shifting of warmth from the oceans to the atmosphere (but we see warming in both), or simultaneous warming of the troposphere and stratosphere, or shifts in global temperature associated with major ocean current shifts which for the most part haven't been seen.

She then argues that this can't be attributed to human - caused global warming, which presumably implies something about the current rise in ocean heat content.

Hi CH There are two major factor in global climatic changes (and I consider CO2 to be a minor one, taking place below the UHI)-- direct Sun - Earth link (TSI, electromagnetic, UV and particle radiation)-- Ocean heath storage (long term integration process) and distribution (ocean currents) Views of solar scientists (including Mike Lockwood) are constrained by their 1950's hero Eugene Parker's theories, which the latest discoveries often bring into quesOcean heath storage (long term integration process) and distribution (ocean currents) Views of solar scientists (including Mike Lockwood) are constrained by their 1950's hero Eugene Parker's theories, which the latest discoveries often bring into quesocean currents) Views of solar scientists (including Mike Lockwood) are constrained by their 1950's hero Eugene Parker's theories, which the latest discoveries often bring into question.

This empirical finding contradicts Spencer's hypothesis that cloud cover changes are driving global warming, but is consistent with our current understanding of the climate: ocean heat is exchanged with the atmosphere, which causes surface warming, which alters atmospheric circulation, which alters cloud cover, which impacts surface temperature.

Even if you were to exclude every line of evidence which could possibly be disputed — the proxy records, the computer models, the complex science of clouds and ocean currents — the evidence for manmade global warming would still be unequivocal.

The study also found that the Southern Ocean Circumpolar Current, which helps determine sea - ice extent, is steered by submerged ridges and canyons along the edge of the Antarctic continental shelf, rather than by global warming or other climatic conditions.

The world's climate is way too complex... with way too many significant global and regional variables (e.g., solar, volcanic and geologic activity, variations in the strength and path of the jet stream and major ocean currents, the seasons created by the tilt of the earth, and the concentration of water vapor in the atmosphere, which by the way is many times more effective at holding heat near the surface of the earth than is carbon dioxide, a non-toxic, trace gas that all plant life must have to survive, and that produce the oxygen that WE need to survive) to consider for any so - called climate model to generate a reliable and reproducible predictive model.

And global ocean currents showed signs of a melt - spurred change — which resulted in an uneven distribution of this overall rise.

Renewable energy (which includes solar, wind, water, hydro, tidal and wave, geothermal, ocean thermal, ocean currents, biomass, biofuel) can produce electricity more than enough to power our current and future lifestyle, without polluting the planet and causing global warming.

That envelope is not just a matter of global - average surface temperature (to which the misleadingly innocuous term «global warming» applies) but of averages and extremes of hot and cold, wet and dry, snowpack and snowmelt, wind and storm tracks, and ocean currents and upwellings; and not just the magnitude and geographic distribution of all of these, but also the timing.

A change in ocean heat content can also alter patterns of ocean circulation, which can have far - reaching effects on global climate conditions, including changes to the outcome and pattern of meteorological events such as tropical storms, and also temperatures in the northern Atlantic region, which are strongly influenced by currents that may be substantially reduced with CO2 increase in the atmosphere.

I think it is time for a general update due to subsequent developments (especially the current 2 year global cooling trend and a quieter sun with cooling oceans after an 8 year temperature plateau which tends to show that my point about solar and oceanic influences on global temperatures has some merit) and the fact that I can make the essential points more simply by condensing them into a series of bullet points as follows:

The polar ice sheets serve as «thermostats» of global temperatures from which cold air and cold ocean currents emanate, moderating the effects of solar radiation.

You use the land + ocean global temperature record, which ignores the fact that the oceans have not equilibrated to the current forcings including CFC.

Scaled to the entire circumpolar current, the mixing we observe is compatible with there being a southern component to the global overturning in which about 20 sverdrups (1 Sv = 106 m3 s − 1) upwell in the Southern Ocean, with cross-density mixing contributing a significant fraction (20 to 30 per cent) of this total, and the remainder upwelling along constant - density surfaces.

In the almost sure knowledge that the earth never experienced a runaway greenhouse even with ancient CO2 levels 10 to 20 times greater than today, these anti-science scoundrels insist with a «high level of confidence» that this amplification is real and it's based on nothing more than faster than expected surface temperature rise in the past few decades which can be TOTALLY explained by multi-decadal cyclic behavior in ocean currents, trade winds, and / or solar magnetic activity causing small global average albedo changes.

«A general update due to subsequent developments (especially the current 2 year global cooling trend and a quieter sun with cooling oceans after an 8 year temperature plateau which tends to show that my point about solar and oceanic influences on global temperatures has some merit)» - Stephen Wild...