Sentences with phrase «changes in the circulation of»

Greatly improved computer models began to suggest how such jumps could happen, for example through a change in the circulation of ocean currents.

Previously, scientists proposed that changes in the circulation of molten material in Earth's mantle — the slow - flowing material that lies between our planet's core and its crust — pushed the terrain east of the Andes upward, thereby changing drainage patterns.

Significant changes in the circulation of the ocean could likewise impact fisheries in the United States that can be devastated by warming waters, thereby affecting livelihood and food source.

This kind of trading determines the most suitable and best strategies and financial instruments for receiving income that is based on the analysis and monitoring the changes in circulations of the exchange rates and states of the securities.

The improved computer models also began to suggest how such jumps could happen, for example through a change in the circulation of ocean currents.

Significant changes in the circulation of the ocean could likewise impact fisheries in the United States that can be devastated by warming waters, thereby affecting livelihood and food source.

That ice age was caused by changes in the circulation of warm water in the Atlantic Ocean, in particular the Gulf Stream closed down because of melting in the -LSB-...]

These tectonic events led to changes in the circulation of the oceans and the atmosphere, which in turn fostered the development of persistent ice at high northern latitudes.

Not exact matches

The limited number of bills in circulation are old and tatty, and shopkeepers are unable to make change due to a shortage of coins.

This «would create a persistent layer of black carbon particles in the northern stratosphere that could cause potentially significant changes in the global atmospheric circulation and distributions of ozone and temperature,» they concluded.

And let's not forget relatively recent changes at the Star, Canada's largest - circulation newspaper, which is now in the hands of publisher John Cruickshank and editor Michael Cooke.

These risks and uncertainties include competition and other economic conditions including fragmentation of the media landscape and competition from other media alternatives; changes in advertising demand, circulation levels and audience shares; the Company's ability to develop and grow its online businesses; the Company's reliance on revenue from printing and distributing third - party publications; changes in newsprint prices; macroeconomic trends and conditions; the Company's ability to adapt to technological changes; the Company's ability to realize benefits or synergies from acquisitions or divestitures or to operate its businesses effectively following acquisitions or divestitures; the Company's success in implementing expense mitigation efforts; the Company's reliance on third - party vendors for various services; adverse results from litigation, governmental investigations or tax - related proceedings or audits; the Company's ability to attract and retain employees; the Company's ability to satisfy pension and other postretirement employee benefit obligations; changes in accounting standards; the effect of labor strikes, lockouts and labor negotiations; regulatory and judicial rulings; the Company's indebtedness and ability to comply with debt covenants applicable to its debt facilities; the Company's ability to satisfy future capital and liquidity requirements; the Company's ability to access the credit and capital markets at the times and in the amounts needed and on acceptable terms; and other events beyond the Company's control that may result in unexpected adverse operating results.

The complementary currency itself has declined in importance over the period while levels of overall consumption of goods and services have increased (although it is unclear whether the recent digitisation is to change this) A detailed study18 of the usage and circulation of the Palma found that around half of its usage was accounted for by just 6 economic actors in addition to the Banco Palmas itself: four local stores selling basic consumer items, the neighbourhood petrol station, and a party and décor shop.

In analyzing the equation of exchange one assumes that one of its elements — total supply of money, volume of trade, velocity of circulation — changes, without asking how such changes occur.

If we get interested in some other aspect, e.g., if we change from considering the blood circulation of an animal to its nest - building, we have a perfect right to invent new appropriate objects.

Changes in reading habits, denominational decline and the increasing prevalence of the Internet had sent circulation figures tumbling, seeing some long - standing publications, such as The Baptist Times, cease to exist in print.

The purple color of his hands and feet is normal; it is caused by changes in blood circulation that take place at delivery.

The foundation of the research involved tracking the changes in ocean circulation in new detail by studying three sediment cores extracted from the seafloor of the Gulf of Mexico in 2010 during a scientific cruise.

That wind - driven circulation change leads to cooler ocean temperatures on the surface of the eastern Pacific, and more heat being mixed in and stored in the western Pacific down to about 300 meters (984 feet) deep, said England.

The greening of Sahara strengthens the West African Monsoon, which triggers a change in the atmospheric circulation over the entire tropics, affecting tropical cyclone activity.

Looking at shifts in Manley's winter temperatures from year to year, he says, gives a good reading of important natural cycles that influence climate, such as changes in ocean circulation like the North Atlantic Oscillation.

These large Northern Hemisphere cooling events have previously been linked to a change in the Atlantic Ocean circulation that led to a reduced transport of warm water to the high latitudes in the North.

Changes in polar vortex winds high in the stratosphere can alter the global conveyor belt of ocean circulation.

Two unique clinical features of heart failure in children, say the guidelines» authors, are the possible coexistence of structural congenital heart lesions, with simultaneous over-circulation to the lungs, and under - perfusion to the body (when the two circulations are linked in parallel by an intracardiac shunt or a patent arterial duct); and a change in symptom complexes over time from infancy through adolescence.

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.

Alternatively, the loss of ice may have changed air circulation patterns above the Arctic in ways that have similarly «locked in» the change.

Lyon thinks this change in temperatures has altered atmospheric circulation patterns, cutting off the supply of moisture to east Africa (Geophysical Research Letters, DOI: 10.1029 / 2011GL050337).

Ongoing changes in ocean circulation patterns, which are helping to drive warm water from other parts of the sea closer to the Antarctic continent, are also believed to be a major factor.

«We argue that it was the establishment of the modern deep ocean circulation — the ocean conveyor — about 2.7 million years ago, and not a major change in carbon dioxide concentration in the atmosphere that triggered an expansion of the ice sheets in the northern hemisphere,» says Stella Woodard, lead author and a post-doctoral researcher in the Department of Marine and Coastal Sciences.

Gross says that the most important processes affecting day length are changes in the weather, especially unusual variations in the strength and direction of the winds, which bring on alterations in the global circulation of the atmosphere and ocean.

«But on top of that, changes in atmospheric circulation can favor particular weather conditions associated with heat waves.»

But within these long periods there have been abrupt climate changes, sometimes happening in the space of just a few decades, with variations of up to 10ºC in the average temperature in the polar regions caused by changes in the Atlantic ocean circulation.

The research has also contributed to answering the important question whether the increase in rainfall observed in the tropics was simply caused by the fact of a warmer atmosphere or whether the underlying circulation in that region had changed.

Climate changes that began ~ 17,700 years ago included a sudden poleward shift in westerly winds encircling Antarctica with corresponding changes in sea ice extent, ocean circulation, and ventilation of the deep ocean.

«These conditions will cause changes in phytoplankton growth and ocean circulation around Antarctica, with the net effect of transferring nutrients from the upper ocean to the deep ocean,» said lead author J. Keith Moore, UCI professor of Earth system science.

«Our results suggest that this change in circulation and the consequent extended biological activity by itself took 30 - 60ppm of CO2 out of the atmosphere.

Retreating sea ice in the Iceland and Greenland Seas may be changing the circulation of warm and cold water in the Atlantic Ocean, and could ultimately impact the climate in Europe, says a new study by an atmospheric physicist from the University of Toronto Mississauga (UTM) and his colleagues in Great Britain, Norway and the United States.

«As a result, some atmospheric circulations systems can not be resolved by these models, and this clearly impacts the accuracy of climate change predictions as shown in our study.»

«This emphasizes the importance of large - scale energy transport and atmospheric circulation changes in restoring Earth's global temperature equilibrium after a natural, unforced warming event,» Li said.

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.

The second theory focuses on dramatic changes in the patterns of ocean circulation.

«Formation of coastal sea ice in North Pacific drives ocean circulation, climate: New understanding of changes in North Pacific ocean circulation over the past 1.2 million years could lead to better global climate models.»

By analyzing these records, Knudson and Ravelo found that the strength of the overturning circulation in the North Pacific is inherently linked to global climate changes, but not in the way scientists had previously thought.

The deepening of the Drake Passage resulted in a change in ocean circulation that resulted in warm waters being directed northwards in circulation patterns like those found in the Gulf Stream that currently warms northwestern Europe.

In the North Atlantic, more heat has been retained at deep levels as a result of changes to both the ocean and atmospheric circulations, which have led to the winter atmosphere extracting less heat from the ocean.

A team of UK scientists have studied how a circulation changes in the stratosphere (above 10 km) can influence both weather and climate conditions on the surface of Earth.

Its measurements of ocean saltiness will also help scientists understand how changes in salinity affect the deep currents that drive ocean circulation.

They were able to show that episodes of extinction coincided with pulses of ocean anoxia, driven by changes in ocean circulation and nutrient levels.

Report of the immune suppressing innervation of hepatic iNKT cells following stroke («Functional innervation of hepatic iNKT cells is immunosuppressive following stroke,» 7 October 2011, p. 101, published online 15 September 2011), and would like to highlight its relevance to previous predictions of a critical functional role for the changes in circulation cholinesterases in post-stroke patients.

The researchers warn, however, that the future evolution of the AMO remains uncertain, with many factors potentially affecting how it interacts with atmospheric circulation patterns, such as Arctic sea ice loss, changes in solar radiation, volcanic eruptions and concentrations of greenhouse gases in the atmosphere.