Sentences with phrase «occur in a few centuries»

Based on more recent research, however, a number of scientists suggest this could occur in a few centuries, and some, like Jim Hansen, seem to think the change could occur even more rapidly, although it is not completely clear if by this he means the commitment to this much rise or this much actual rise during the 21st century.

Not exact matches

So, today's doubters need to be pressed hard as to why, if the alternative versions of Jesus (mystic, moral teacher, misguided healer) advanced over the last few centuries can be taken seriously, it never occurred to any sceptic in the ancient world to make these very obvious challenges.

In a passage which deserves a great deal of attention in our country, more than two centuries after it was written, he said: «The man whose life is spent in performing a few simple operations, of which the effects are perhaps always the same, or very nearly the same, has no occasion to exert his understanding or to exercise his invention in finding out expedients for removing difficulties which never occuIn a passage which deserves a great deal of attention in our country, more than two centuries after it was written, he said: «The man whose life is spent in performing a few simple operations, of which the effects are perhaps always the same, or very nearly the same, has no occasion to exert his understanding or to exercise his invention in finding out expedients for removing difficulties which never occuin our country, more than two centuries after it was written, he said: «The man whose life is spent in performing a few simple operations, of which the effects are perhaps always the same, or very nearly the same, has no occasion to exert his understanding or to exercise his invention in finding out expedients for removing difficulties which never occuin performing a few simple operations, of which the effects are perhaps always the same, or very nearly the same, has no occasion to exert his understanding or to exercise his invention in finding out expedients for removing difficulties which never occuin finding out expedients for removing difficulties which never occur.

Scientists estimate that a supernova occurs in our galaxy a few times a century.

One research challenge involves having just a few decades or a century of high - quality weather data with which to make sense of events that might occur once every 1,000 or 10,000 years in a theoretical climate without human influence.

Even under a more moderate scenario where greenhouse gas emissions peak in 2040, 100 - year extreme sea levels could increase by 57 centimeters, or nearly 2 feet, on average, by the end of the century, with these events occurring every few years, according to study's authors.

The modelling shows the last time this occurred, 14,000 years ago, the Antarctic alone contributed 3 - 4 metres to global sea levels in just a few centuries.

Over a century later and just a few minutes drive away, our nation's deadliest school shooting would occur in Sandy Hook in an incident where most of the fatalities occurred in two unlocked classrooms.

Secondly, according to environmental historians, the first campaigns to conserve natural resources and save wilderness occurred in the late nineteenth century (such as John Muir's Sierra Club to protect Yosemite in 1892), and a few people were writing on the subject before that, such as Henry Thoreau («in Wildness is the preservation of the world,» - from Walden).

As far as a ceiling goes, I highly recommend the book Extraordinary Popular Delusions & the Madness of Crowds which offers insight on a number of mania that have occurred not just in the past few decades, but over the centuries.

They are also subject to parentage errors and COIs based on a few recent generations are of limited value in a breed that started with few founders subjected to numerous artificial bottlenecks that occurred decades and even centuries earlier.

However, these outcomes are predicated on changes in basal melt rates that could accompany global warming of only a few degrees, warming that could be determined by emissions that occur during the twenty - first century.

When the «point of no return» is breached, collapse occurs in a relatively short period of time (for climate, that would be many decades to a few centuries).

I agree that the multimillennial «tail» of the CO2 decay trajectory is relatively unimportant in its own right, but it is not trivial, because it affects the overall rate of decay that includes processes that occur over many decades or a few centuries involving CO2 mixing into the deep ocean and carbonate buffering, and makes them slower than they would be otherwise.

States that while no significant trends have been identified in the Atlantic since the late 19th century, significant observed trends in TC numbers and intensities have occurred in this basin over the past few decades, and trends in other basins are increasingly being identified

In the past few centuries, smaller transitions (such as the ending of the Little Ice Age at about 1650 AD) probably occurred over only a few decades at most.

Hansen refers to them in this way «They identified eight episodes of large iceberg flux, with the largest flux occurring ∼ 14 600 years ago, providing evidence of an Antarctic contribution to Meltwater Pulse 1A, when sea level rose an average of 3 — 5 m century − 1 for a few centuries (Fairbanks, 1989).»

Within economics modelling, attempts to model the feedback mechanisms that occur in the real economy are also really difficult — we know, for example, that investment in new technologies will act as an incentive for the existing technologies it hopes to substitute to become more efficient (the sailing ship effect — i.e. in the 50 years after the introduction of the steam ship, sailing ships made more efficiency improvements than they had in the previous 3 centuries) but how to quantify something even as simple as this is not easy BUT we have learnt a few ways to give sensible (order of magnitude) figures with time lags, the learning by doing effect and phased - in substitution effects based on massive amounts of data.

It is widely recognized that modern Arctic region sea ice concentrations are considerably more advanced today than they were a few thousand years ago, with most studied regions showing the increase in sea ice extent occurring «over the last centuries».

This is probably similar to the CO2 increase that will occur in the next few centuries if we burn most of the fossil fuels in the ground.

Although we can not say at present whether more or fewer hurricanes will occur in the future with global warming, the hurricanes that do occur near the end of the 21st century are expected to be stronger and have significantly more intense rainfall than under present day climate conditions.