Sentences with phrase «atmosphere of a period of time»

Not exact matches

The period which followed, initiated by well - meaning and believing administrators of the first generation, was a time of high morale, because academic standards and aspirations were on the rise, funding and prestige were up, and the residual religious atmosphere was durable enough (even somewhat more sophisticated) to reassure the reformers that the intellectual gain had been without religious loss.

This is an extremely short period of time compared to carbon dioxide, which is believed to remain in the atmosphere for decades.

The period known as the Palaeocene - Eocene Thermal Maximum (PETM) was triggered by massive releases of carbon into the atmosphere and climate researchers have long identified it as a time that could in some ways be analogous to today's global warming.

The research focused on a time that marked a change between a period of high carbon - dioxide levels in the atmosphere similar to modern day and much lower levels similar to the period before the industrial revolution, Pullen said.

Emissions are the measurable release of gases and other particles into the atmosphere from a specified activity and a specified period of time, such as burning fuels.

At the beginning of this time period, the atmosphere contained only 10 percent oxygen by volume.

While they are seated during the religious service they do not notice a pleasant atmosphere until the heating has been on for a long period of time.

«This period of extended low oxygen spanning from roughly 2 to less than 1 billion years ago was a time of remarkable chemical stability in the ocean and atmosphere,» Lyons said.

But air pollution from soot stays in the atmosphere only briefly and therefore has an effect for only a very short period of time.

Once released through combustion, it remains in the atmosphere for hundreds, even thousands, of years and continues its job as a driver of global warming over a long period of time.

Without a sustained thick atmosphere of heat - trapping greenhouse gases, the planet would have been too cold to sustain liquid water on its surface for long periods of time, Mojzsis argues.

Scientists now think that massive volcanic activity, in a Large Igneous Province called the Siberian Traps, raised air and sea temperatures and released toxic amounts of greenhouse gases into the atmosphere over a very short period of time.

Wildfires in Indonesia have been known to release massive amounts of carbon into the atmosphere over short periods of time.

If we embark on a path that is equivalent to setting emissions to zero now (say by having a period of negative emissions in the 2035 to 2050 time frame), and call the sequestration we accomplish mitigation then mitigation can arrest climate change, make adaptation unneeded and bring us to a safe concentration of carbon dioxide in the atmosphere as Hansen has pointed out.

«A lot of advantages have come from observing it over a long period of time and seeing the patterns of changes in the atmosphere.»

[10] Earlier still, a 200 - million year period of intermittent, widespread glaciation extending close to the equator (Snowball Earth) appears to have been ended suddenly, about 550 million years ago, by a colossal volcanic outgassing which raised the CO2 concentration of the atmosphere abruptly to 12 percent, about 350 times modern levels, causing extreme greenhouse conditions and carbonate deposition as limestone at the rate of about 1 mm per day.

However, comparison of the global, annual mean time series of near - surface temperature (approximately 0 to 5 m depth) from this analysis and the corresponding SST series based on a subset of the International Comprehensive Ocean - Atmosphere Data Set (ICOADS) database (approximately 134 million SST observations; Smith and Reynolds, 2003 and additional data) shows a high correlation (r = 0.96) for the period 1955 to 2005.

SPP won't get too close, but it will pass several times through the Sun's outer atmosphere, the corona, during a period of 24 orbits, to collect data.

Volcanoes can — and do — influence the global climate over time periods of a few years but this is achieved through the injection of sulfate aerosols into the high reaches of the atmosphere during the very large volcanic eruptions that occur sporadically each century.

What we really needed was a way of looking at planets — outside of super-specific time periods and parameters — that would give us the same concept of what a planet's atmosphere consisted of, and whether water was a part of it.

Online dating creates the perfect atmosphere for two people to safely get to know a lot about each other in a relatively short period of time.

On the other hand, the visuals are solid with the period costume and set - design providing much of the atmosphere, while the gory violence, although a little jarring at times, is bizarrely fun to watch.

Greig's lush prose vividly sets the scene, not only depicting the atmosphere of the Borderlands but expertly conveying the history of the time period without making it feel like a historical treatise:

Nanotechnology in medieval times Though Graceling is certainly set in a magical history, the time period seems distinctly medieval, based on the descriptions of clothing, weapons, buildings, and the general atmosphere.

As a meteorologist, you are expected to collect quantitative data regarding the current state of the atmosphere and make use of the scientific implications of the atmospheric processes so as to project how the atmosphere will evolve in the coming period of time.

His lush prose vividly sets the scene, not only depicting the atmosphere of the Borderlands but expertly conveying the history of the time period without making it feel like a historical treatise.

Lois Leveen has done an amazing job of setting the scene, portraying the atmosphere of the place and time (making me grateful that I was not born into that time period and especially that I did not give birth then), and fleshing out the backgrounds of some of Shakespeare's characters.

This capacious three - bedroom townhouse, with its elegant furnishings and graceful period features, evokes a heady, homely atmosphere redolent of times gone by.

It began with 2003's Sands of Time; and while Sands of Time is (unfortunately) plagued by a rather shallow combat system, its unparalleled level design, platforming mechanics, and atmosphere set it apart as not just one of the best action - adventures ever made — but one of the best videogames, period.

The mystic atmosphere of these paintings can apply to whichever period of humanity and talk about topics like faith, the human relationships, morality or devotion — because it's the things that could never be affected by the passage of time.

A possible glimpse of our future would be the Paleocene - Eocene Thermal Maximum (wikipedia the PETM), when a massive release of methane clathrates or other factors caused the level of CO2 in the atmosphere to rise to 1000ppm or more over a relatively brief period of time (in geological terms).

If one postulates that the global average surface temperature tracks the CO2 concentration in the atmosphere, possibly with some delay, then when the CO2 concentration continues to rise monotonically but the global average surface temperature shows fluctuations as a function of time with changes in slope (periods wherein it decreases), then you must throw the postulate away.

If you want to explain the hiatus on the basis of heat flow from the atmosphere to the ocean within a period of one or two years, you have to explain how the laws of physics are cancelled at the same time.

If one uses the very reasonable definition of climate as the «mean statistics of the atmosphere», then the quesition becomes «the statistics over what time period?»

Their measurements, focusing on a time period in September each year — during which time the colder temperatures in the atmosphere promote the reactions that destroy ozone so that the hole is opening up — show that since 2000, the hole has shrunk by 1.7 million square miles, an area more than half the size of the continental United States.

Indeed, pervious studies have tied increases in the C14 in tree rings, and hence reduced solar irradiance, to Holocene glacial advances in Scandinavia, expansions of the Holocene Polar Atmosphere circulation in Greenland; and abrupt cooling in the Netherlands about 2700 years ago... Well dated, high resolution measurements of O18 in stalagmite from Oman document five periods of reduced rainfall centered at times of strong solar minima at 6300, 7400, 8300, 9000, and 9500 years ago.»

As many have pointed out, the reasons weathermen and climatologists have limited accuracy in predicting temperature, rainfall, etc over intermediate time periods is noise, and the chaotic propagation of energy throughout the atmosphere, aspects of which are referred to as «the butterfly effect».

Hansen is wrong about CO2 staying in the atmosphere for a long period of time.

Under this scenario, most of the clathrate deposits in the arctic (both tundra and shallow continental shelf deposits) could be released into the atmosphere in a fairly short period of time (less than a century), implying a rate of outgassing that makes 100 times present estimated levels a vast underforecast.

The United Nations Framework Convention on Climate Change (UNFCCC), in its Article 1, defines climate change as: «a change of climate which is attributed directly or indirectly to human activity that alters the composition of the global atmosphere and which is in addition to natural climate variability observed over comparable time periods».

«a change of climate which is attributed directly or indirectly to human activity that alters the composition of the global atmosphere and which is in addition to natural climate variability observed over considerable time periods.»

OHC may be one of the best measures of the top of atmosphere imbalance available - averaged over long time periods, global, representing (for the full depth of the oceans) ~ 93 % of the energy changes.

While these forgotten gases account for only a small fraction of total greenhouse gas emissions from deforestation, nitrous oxide is up to 300 times more effective at trapping heat in the atmosphere when compared to carbon dioxide over a 100 - year time period.

That happens in short time periods like seasonal variations and can be measured as a change in pCO2 of the oceans, relative to the pCO2 of the atmosphere.

I would say the error that stands out from this time period the most for me would be the amount of co2 predicted to remain in the atmosphere.

«Anthropogenic Climate change» means a quantified change of climate which isattributed directly or indirectly to human activity and distinguished from natural causes that alters the composition of the global atmosphere and which is in addition to natural climate trends and variability observed over comparable time periods.

Meaning, surface temperatures do not represent total heat of the entire atmosphere well, in this case the heat was really above, this drives surface temperature sensitivity quite wild over a longer time period.

Because CO2 can remain in the atmosphere for a century or longer, its increasing concentration due to human activities warms our climate over long periods of time.

On top of a very polluting and extraction process (especially if happening through hydraulic fracturing) the the phenomenon of methane leakage make so that over a period of twenty years, methane is eighty times more pollutant for the atmosphere and the climate than CO2.

However, comparison of the global, annual mean time series of near - surface temperature (approximately 0 to 5 m depth) from this analysis and the corresponding SST series based on a subset of the International Comprehensive Ocean - Atmosphere Data Set (ICOADS) database (approximately 134 million SST observations; Smith and Reynolds, 2003 and additional data) shows a high correlation (r = 0.96) for the period 1955 to 2005.