Sentences with phrase «circulation patterns at»

Recall also that the record low area coverage last summer was also due to the wind / ocean circulation pattern at the time.

Not exact matches

Its instruments were able to study Saturn's atmosphere at a wide range of altitudes, revealing its global circulation patterns, composition and vertical structure.

The poles are on the front lines of climate change — melting ice, thawing permafrost, warming temperatures — but they are also at the forefront of weather patterns, global oceanic circulation and the marine food chain.

Co-author Professor Jonathan Bamber, based at the University of Bristol, and President of the European Geoscience Union (EGU), added: «We are seeing changes in the large - scale circulation patterns, which leads to more frequent sunshine and higher amounts of solar energy reaching the surface of the ice sheet.

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.

He believes that no one has thought of combining the two theories before because it's not an intuitive idea to look at how the effects of changing patterns of ocean circulation, which occur on time scales of thousands of years, would effect global silicate weathering, which in turn controls global climate on time scales of 100s of thousands of years.

And what we see is both how complex climate changes can be and how profound an effect changing patterns of ocean circulation can have on global climate states, if looked at on a geological time scale.»

«When water's unusually warm off our coast, it's because the circulation and patterns in the atmosphere has changed, bringing warm water from elsewhere — and this is happening at the same time that we also see high domoic acid in shellfish.

It's worth saying at first that they are remarkably good already at simulating the general patterns of climate, the general circulation of the atmosphere and the past trend of global temperatures.

Specifically, they looked at the Hadley cell, one of the planet's most powerful atmospheric circulation patterns, driving weather in the tropics and subtropics.

My point, which I hope you would likewise concede, is that even with a weakened or shut - off THC, western Europe would still remain warm relative to other land masses at the same latitudes (possibly even warmer than British Columbia, as it is now), based primarily on atmospheric circulation patterns.

How do the complex feedbacks change atmospheric circulation patterns, and the interaction of these patterns to changes in ice cap topography (e.g. at the LGM)?

The flow of energy between different circulation patterns is dependent on fram of reference (Eulerian vs transformed Eulerian); The Ferrel Cell is the result of some average upward motion poleward of some average downward motion with return flows at lower and higher altitudes, superimposed on the average temperature distribution.

The jet stream off the East Coast of the United States controls an important climate pattern in the Atlantic... «The North Atlantic Oscillation is really driving these changes in ocean circulation,» said Gerald McCarthy, lead study author and an oceanographer at the University of Southampton in the United Kingdom....

To solve this problem I looked at three patterns of the 6558 day period, overlaid them at the daily weather data level, and plotted the resultant combined signal for Precipitation, and temperature patterns for the USA, extended that cyclic interpenetration for a six year period, and plotted out maps to show the repeating reoccurring patterns in the global circulation, as a (6 year long stretch, we are now ~ 40 months into the posted 6 years long) forecast for part of the current repeat of the 6558 day long cycle.

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.

At least part of the recent US drought is down to patterns of ocean circulation that have decadal to millennial variability.

But certainly models with such a grand name as «General Circulation Model», would include average diurnal atmospheric circulation patterns in tropics, and diurnal and seasonal patterns at latitudes outside the tropics, as well as heat transfer to the deCirculation Model», would include average diurnal atmospheric circulation patterns in tropics, and diurnal and seasonal patterns at latitudes outside the tropics, as well as heat transfer to the decirculation patterns in tropics, and diurnal and seasonal patterns at latitudes outside the tropics, as well as heat transfer to the deeper ocean.

Patterns of ocean and atmosphere circulation shift in response to internal climate dynamics and at a rapid pace determined by the dynamics of the system rather than any external factor.

Atmospheric - circulation patterns in June — July were generally favorable for preservation of sea ice, at least compared to the same period in summer 2007.

The change in total solar irradiance over recent 11 - year sunspot cycles amounts to < 0.1 %, but greater changes at ultraviolet wavelengths may have substantial impacts on stratospheric ozone concentrations, thereby altering both stratospheric and tropospheric circulation patterns... This model prediction is supported by paleoclimatic proxy reconstructions over the past millennium.

Dr Peter Stott, who leads the Climate Monitoring and Attribution team at the Met Office and wasn't involved in the paper, says we shouldn't admit defeat and ignore the impacts of climate change on circulation patterns.

These are changes that scientists can be confident of, the authors say, and so should be the basis for attribution studies — rather than looking at changes to circulation patterns in the atmosphere.

And so a strong claim can be made that climate change is now at least partially responsible for all global weather although the part played by climate change could be small for any individual climate event relative to other causes such as normal ocean circulation patterns.

The researchers suspect warmer temperatures in the tropical Pacific Ocean amplify warming at high elevations in the Arctic by changing air circulation patterns.

If one maintains that ENSO forces the polar circulations one ignores the coupling of the stratosphere and the troposphere at high latitudes that manifest as a pattern of Geopotential height variations throughout the atmospheric column that is in turn deterministic of surface atmospheric pressure.

A hemispheric - scale circulation pattern defined by changes in the westerly winds at midlatitudes.

This is not the case with extratropical volcanoes, such as the Chilean one, due to different circulation patterns in the stratosphere at those latitudes.

This year, more ozone has been lost over the Arctic due to unusually cold temperatures in the stratosphere, and these have been fed by a stronger circulation pattern called the polar vortex throughout the winter, according to Ross Salawitch, a professor at the University of Maryland, and one of Rex's collaborators.

We would not expect to see any effect on weather or climate other than that the air circulation patterns would be in very slightly differing (but still ever changing) positions than if we had made no difference at all.

Now let us look at the key claim that Tselioudis and other climate scientists make about how global warming will affect circulation patterns.

Scientists have recently observed major changes in these glaciers: several have broken up at the ocean end (the terminus), and many have doubled the speed at which they are retreating.2, 5 This has meant a major increase in the amount of ice and water they discharge into the ocean, contributing to sea - level rise, which threatens low - lying populations.2, 3,5 Accelerated melting also adds freshwater to the oceans, altering ecosystems and changing ocean circulation and regional weather patterns.7 (See Greenland ice sheet hotspot for more information.)

Daniel Swain, a PhD student in environmental earth system science at Stanford University, and colleagues report in Science Advances journal that they analysed the atmospheric circulation patterns that have been coincident with rainfall and temperature extremes in the Golden State's history.

The report, particularly at the cited sections, has nothing about these circulation patterns either showing that they coincide with areas of economic growth or that they tend to preferentially warm these areas.

This report discusses our current understanding of the mechanisms that link declines in Arctic sea ice cover, loss of high - latitude snow cover, changes in Arctic - region energy fluxes, atmospheric circulation patterns, and the occurrence of extreme weather events; possible implications of more severe loss of summer Arctic sea ice upon weather patterns at lower latitudes; major gaps in our understanding, and observational and / or modeling efforts that are needed to fill those gaps; and current opportunities and limitations for using Arctic sea ice predictions to assess the risk of temperature / precipitation anomalies and extreme weather events over northern continents.

It is better to look at regional level pattern as they follow general circulation patterns in conjenction with natural in - built cyclic variations.

These ocean upwelling conditions occur beneath a complementary downwelling branch of the atmosphere's Hadley circulation — a planetary - scale flow pattern in both hemispheres that takes humid air ascending at low latitudes, heats and desiccates it in deep precipitating tropical clouds, and then sinks it at midlatitudes, where it is considerably warmer and drier than it was.

Besides, I am currently at the WCRP conference in Denver, where the question of changes in circulation patterns due to anthropogenic climate change as an issue for attribution of events has been put up (but not answered...) just this morning...

The torrent from the glacial lake would have thundered into the North Atlantic, adding a vast freshwater «lid» on the ocean surface that could have rearranged ocean circulation and changed climate patterns, said Donnelly, who is a fellow of both the Ocean and Climate Change Institute and the Coastal Ocean Institute at WHOI.

A recent study on the North Pacific circulation patterns over the past 1.2 million years determined that sea ice on coastal areas can be an important factor in ocean circulation, therefore influencing climate at global and regional levels.

Instead of starting with grand equations for the planet as a whole, one might seek to find how the circulation pattern was built up from the local weather at thousands of points.

The models (and there are many) have numerous common behaviours — they all cool following a big volcanic eruption, like that at Mount Pinatubo in 1991; they all warm as levels of greenhouse gases are increased; they show the same relationships connecting water vapour and temperature that we see in observations; and they can quantify how the giant lakes left over from the Ice Age may have caused a rapid cooling across the North Atlantic as they drained and changed ocean circulation patterns.

Perhaps taking the time to familiarize oneself with the atmospheric circulation patterns of the area will show that it is perfectly normal, natural and expected that those particles reach Antarctica through warm air advection pathways... Just look at a satellite animation.