Sentences with phrase «occur at the extremes»

Research is therefore strongly dependent on most sophisticated and challenging computer simulations, in which the complex mathematical equations are solved that describe the motion of the stellar gas and the physical processes that occur at the extreme conditions in the collapsing stellar core.

While valve float can occur at these extreme engine speeds, more than likely there will not be any valve to piston contact due to the fact the engine speed will decrease as soon as this point is reached.

Not exact matches

The most extreme readings prior to the current cycle occurred at the 1929, 1972 and 1987 peaks, all at 20 times record earnings.

We can say these things because antitrust actions and resolutions do not occur randomly; they occur at specific times in response to a psychological environment involving a major extreme in social mood and its reversal.

(From the Christian point of view (which in this coincides with the biological viewpoint logically carried to its extreme) the «gathering together» of the Spirit gradually accomplished in the course of the «coiling» of the Universe, occurs in two tempos and by two stages — a by slow «evaporation» (individual deaths); and simultaneously b by incorporation in the collective human organism («the mystic body») whose maturation will only be complete at the end of Time, through the Parousia.)

At its extreme, a polarization of styles can occur in which one parent compensates for the perceived weaknesses of the other.

«Rather than trying to assess the probability of an extreme event occurring, a group of researchers suggest viewing the event as a given and assessing to which degree changes in the thermodynamic state (which we know has been influenced by climate change) altered the severity of the impact of the event,» notes Dorit Hammerling, section leader for statistics and data science at the Institute for Mathematics Applied to Geosciences, National Center for Atmospheric Research.

The tsunami was at least three times the size of a 1946 tsunami that was the most destructive in Hawaii's recent history, according to the new study that examined deposits believed to have come from the extreme event and used models to show how it might have occurred.

According to a 2013 study of California farmers, factors like exposure to extreme weather events and perceived changes in water availability made farmers more likely to believe in climate change, while negative experiences with environmental policies can make farmers less likely to believe that climate change is occurring, said Meredith Niles, a postdoctoral research fellow at Harvard's Sustainability Science Program and lead author of the study.

Our study is significant because, while there are various different estimates for the start and end of the Little Ice Age in different regions of the world, our data show that the most extreme phases occurred at the same time in both the Northern and Southern Hemispheres.

The strength and path of the North Atlantic jet stream and the Greenland blocking phenomena appear to be influenced by increasing temperatures in the Arctic which have averaged at least twice the global warming rate over the past two decades, suggesting that those marked changes may be a key factor affecting extreme weather conditions over the UK, although an Arctic connection may not occur each year.

The researchers then looked at four key extreme Australian events — the Angry Summer 2012/13; the Coral Sea marine heatwave of 2016; the severe rain event in Queensland in 2010; and the 2006 drought in southeast Australia — to model how often similar events could occur under each scenario.

The researchers also looked at other extreme events, like the southeast Australian drought of 2006 and the rain events that led to widespread flooding in Queensland in 2010, to see whether they would occur more often as global temperatures increased.

But most of the movement occurred since last year as the West's drought has become more and more extreme, said Duncan Agnew, a professor at the Institute of Geophysics and Planetary Physics at the Scripps Institution of Oceanography at UC - San Diego, and a study co-author.

Without the extraordinarily dry surface and the anomalous high - pressure conditions in the lowest level of the atmosphere occurring at the same time, the extreme, persistent hot spells wouldn't have occurred, says paper co-author Diego Miralles, a climate hydrologist at Ghent University in Belgium.

More extreme consequences include neglect and abuse — with sexual abuse reported to occur at some time in the lives of 90 per cent of the population with learning difficulties.

Lily Lewis a PhD candidate at the University of Connecticut explained, «Mosses are especially abundant and diverse in the far Northern and Southern reaches of the Americas, and relative to other types of plants, they commonly occur in both of these regions, yet they have been largely overlooked by scientists studying this extreme distribution.

They said that two extreme climate periods — the Medieval Warming Period between 800 and 1300 and the Little Ice Age of 1300 to 1900 — occurred worldwide, at a time before industrial emissions of greenhouse gases became abundant.

He will focus on weather events that — at the time they occur — are more extreme than any other event in the historical record.

Male orgasm doesn't occur at just any time — there's this intense burst of pleasure that accompanies ejaculation, which is of extreme reproductive significance,» he says.

«What's pushing this rise in extreme outbreaks, during which the vast majority of tornado - related fatalities occur, is far from obvious in the present state of climate science,» said Cohen, the Abby Rockefeller Mauzé Professor at Rockefeller University and Professor of Earth and Environmental Sciences at Columbia University, who conducted the research while a visiting scholar in UChicago's Department of Statistics.

In a paper that appeared online on July 18, 2017 at Weather and Climate Extremes, the team reports that climate change attributed to human activity made the storm much more severe than would otherwise have occurred.

The computer looked at when extreme heat and precipitation occurred during each climate period.

Indeed looking at the 3 years (2009 - 2011) only one small region of the tropical ocean in 2011 exceeds minus three standard deviations -LRB--3 sigma), whereas warm extremes (+3 standard deviations) occur with regularity in each year.

As significant hominin brain expansion occurred at ∼ 1.8 Ma coeval with occurrence of massive ephemeral deep - water lakes, while subsequent expansions are associated with extreme dry periods.

Then, they calculated the total exposure to extreme heat in «person - days,» by multiplying the number of heat waves - days when temperatures reach at least 95 degrees - by the number of people who are projected to live in the areas where extreme heat is occurring.

Erosion can happen at a much fast rate when extreme weather events occur.

In general, during the inflammation phase, it's normal for pain to occur even when at rest; during the regeneration phase it will commonly occur under normal loading, and during the remodeling phase it should occur only in cases of extreme loading.

People with type 1 diabetes are unable to produce insulin, and this can result in extreme and uncontrolled ketosis, with such a severe accumulation of ketones that the pH of the blood is decreased to the point at which normal metabolic function can not occur and serious health consequences ensue.

muscle loss only occurs during extreme starvation and even at that point you would have to be very lean for muscle loss to occur.

And we know at the extremes that negative effects do occur:

While this is an extreme case — and arguably abusive — test prep is still occurring citywide even at schools with high test scores.The organized opt - out movement here in NYC is led by local parents and educators who spend an inordinate amount of time researching the NYS Common Core testing program and educating themselves on developmentally appropriate pedagogy.

If a wheel at the inside of a curve begins to lose its grip when cornering at speed, it is braked slightly before any slip occurs — this keeps the RS 5 Cabriolet neutral for an exceptionally long time in extreme driving conditions.

One of the most extreme challenges undertaken by the E-Pace occurred at Jaguar Land Rover's Gaydon base: a wading test that involved driving the machine was into a 0.5 - metre deep pool of water.

The real, annualized, total return of the portfolio (return0) at the extremes occurred in the same time periods.

Certainly, reasonable fiduciaries are not expected to take a daily accounting of all investments, and thus the reasonable discovery of an imprudent investment may not occur until the systematic consideration of all investments at some regular interval... However, the facts of this particular case present an extreme situation.

In both cases, stock valuations were pushed to historical extremes as all - time market highs occurred on a seemingly weekly basis (roughly one - fourth of 2017's trading days ended at a new all - time high!).

The low - end extreme occurs at 55.4 °F (13 °C).

If this occurs, it is important not to take such actions personally, but to realize that it is an expression of the extreme pain or disorientation your pet may be experiencing at the time.

That is much of the warming occurs during winter and at night, so that extreme (as opposed to mean average) highs not raised as much as extreme lows are moderated.

«in the United States, extremes of high temperatures have been occurring at a rate of twice those of cold extremes (Meehl et al. 2009), and this has accelerated considerably since June 2010 to a factor of 2.7, and in the summer of 2011 to a factor of over 8 ″

Gavin, am interested in your earlier reported brief comment in the context of the Pakistan floods (perhaps here on Real Climate) that a different way of looking at extreme events is asking the question thus: what is the likelihood of such events occurring had atmospheric CO2 levels remained what they were at the time of the Industrial Revolution (276 ppm) rather than what they are now (390 ppm).

Runaway greenhouse warming can occur for really extreme conditions (Venus at present, Earth in maybe 5 billion years time when the sun becomes a red giant), but is not a possibility for the next hundred years.

How should we estimate the cumulative likelyhood of a very extreme event occurring at least once within a certain number of future years?

RiHo08 says (28) «Since the recent heat wave and peat bog fires in Russia this summer have been used as evidence of an extreme weather event in response to global climate change, I thought a llterary reference to such events occurring periodically at least to the 12 th Century would be informative.»

Since the recent heat wave and peat bog fires in Russia this summer have been used as evidence of an extreme weather event in response to global climate change, I thought a llterary reference to such events occurring periodically at least to the 12 th Century would be informative.

Since neither an equilibrium nor a steady - state will result, the extremes within which variation occurs (as it has over the Earth's past, with aggregate input and output nearly equal), may be at least as inimical to life as a change in the spatio - temporal mean.

At the current rate of warming, we have about a century before a possibly catastrophic warming occurs (2 degC more) so a modest, but not extreme, carbon tax wouldn't be unreasonable.

For example in the United States, extremes of high temperatures have been occurring at a rate of twice those of cold extremes (Meehl et al. 2009), and this has accelerated considerably since June 2010 to a factor of 2.7, and in the summer of 2011 to a factor of over 8 (Skolnik 2011).

He looks at the odds for a given extreme weather event to occur given human - driven climate change.