Sentences with phrase «warmer than a century»

All weather events are influenced by climate change as they now take place in a world more than 1 °C warmer than a century ago.

Allowing for chronology and reconstruction uncertainty, we find that the mean of the last 100 years of the reconstruction is likely warmer than any century in the last 2000 years in this region.

They also suggest that the 20th century was warmer than the centuries immediately before it (the «Little Ice Age»).

Not exact matches

Frozen for more than half a century, relations between the two nations exhibited small signs of a warming after the 2008 election of President Barack Obama.

The report found, among other things, that 43 of the lower 48 U.S. states have set at least one monthly heat record since 2010, sea levels are expected to rise between one and four feet by the end of this century, winter storms have increased in intensity and frequency, and the past decade was warmer than every previous decade in every part of the country.

With temperatures rising 1.5 F in the 20th century, being off by 0.7 degrees suggests that actual warming since pre-industrial times might be more than 50 percent greater than assumed, around 2.2 F.

The temperature records showed a warming spike after the 1970s, and the ice records documented that river ice is breaking up about nine days earlier now than last century.

The 2001 IPCC report concluded it was likely (more than 66 percent probable) that most of the warming since the mid-20th century was attributable to humans.

«We are still sort of at the early stages of the global warming phenomenon, and CO2 is rising much faster this century than the last century.»

For more than half a century, the La Selva Biological Station in Costa Rica has provided researchers with the data needed to study everything from local amphibian and reptile populations to global warming.

We know that the world is now 0.75 degrees Celsius warmer than it was a century and a half ago.

The first predications of coastal sea level with warming of two degrees by 2040 show an average rate of increase three times higher than the 20th century rate of sea level rise.

Of course, summer temperatures when the warming portion of the wobble cycle peaked roughly 7,500 years ago were at least 0.8 degrees Celsius warmer than 20th - century average temperatures.

The basic physics of climate change have been known for more than a century, but it is in recent decades that the fundamental science of global warming has solidified

New ice cores taken from the summit of Mt. Hunter in Denali National Park show summers there are least 1.2 - 2 degrees Celsius (2.2 - 3.6 degrees Fahrenheit) warmer than summers were during the 18th, 19th, and early 20th centuries.

Mission to Earth Scientists knew more than a century ago that adding carbon dioxide to our atmosphere would warm temperatures.

The new study suggests that by the end of the century, about a third of all the drainage basins could experience reductions in runoff greater than 10 percent during at least one month of the warm season.

A century of digging at lower altitudes and in the warm Ukrainian plains rarely yielded more than skeletons or jewelry.

All but one of the main trackers of global surface temperature are now passing more than 1 °C of warming relative to the second half of the 19th century, according to an exclusive analysis done for New Scientist.

Short - lived climate pollutants are so called because even though they warm the planet more efficiently than carbon dioxide, they only remain in the atmosphere for a period of weeks to roughly a decade whereas carbon dioxide molecules remain in the atmosphere for a century or more.

It turns out Earth will warm more slowly over this century than we thought it would, buying us a little more time to cut greenhouse gas emissions.

Rather than using complex computer models to estimate the effects of greenhouse - gas emissions, Lovejoy examines historical data to assess the competing hypothesis: that warming over the past century is due to natural long - term variations in temperature.

Researchers now have hard evidence that the circulation that helps warm the North Atlantic did indeed abruptly slow or perhaps even stop for centuries at a time more than 100,000 years ago.

Some show far more variability leading up to the 20th century than the hockey stick, but none suggest that it has been warmer at any time in the past 1000 years than in the last part of the 20th century.

«We're now facing the potential for a warming of 2ºC or more in less than two centuries,» said Dr Dunkley Jones, «this is more than an order of magnitude faster than warming at the start of the PETM.

«Warming greater than 2 degrees Celsius above 19th - century levels is projected to be disruptive, reducing global agricultural productivity, causing widespread loss of biodiversity and — if sustained over centuries — melting much of the Greenland ice sheet with ensuing rise in sea levels of several meters,» the AGU declares in its first statement in four years on «Human Impacts on Climate.»

One thing is already clear: A warmer global atmosphere currently holds about 3 to 5 percent more water vapor than it did at the beginning of the 20th century, and that can contribute to heavier precipitation.

As average U.S. temperatures warm between 3 °F and more than 9 °F by the end of the century, depending on how greenhouse gas emissions are curtailed or not in the coming years, the waves of extreme heat the country is likely to experience could bend and buckle rails into what experts call «sun kinks.»

«Now we are looking for caves with speleothems in northern Siberia to answer this question,» Vaks notes, adding that the northernmost cave is already much warmer than in the late 18th century based on historical reports.

International negotiators at a United Nations - sponsored climate conference ending today in Bangkok repeatedly underscored the goal of keeping the amount of global warming in this century to no more than 2 ˚C.

Much of Pres. Donald Trump's Mar - a-Lago country club in Palm Beach, Fla., sits less than two meters above the Atlantic Ocean, meaning big parts of the resort could rest beneath the waves by the end of this century as seas rise in response to global warming.

According to the global temperature data compiled separately by NASA, NOAA, and the Japan Meteorological Agency, this July was the warmest July on record going back more than a century.

Their findings indicated that, overall, the contribution of changing solar activity, either directly or through cosmic rays, was even less and can not have contributed more than 10 percent to global warming in the 20th century.

«We conclude that the level of contribution of changing solar activity is less than 10 percent of the measured global warming observed in the 20th century.

They then looked at what that meant for the temperature rise over the coming few decades, and found that global warming this century will indeed be slower than thought.

Months with waters warmer than 85 F have become more frequent in the last several decades compared to a century ago, stressing and in some cases killing corals when temperatures remain high for too long.

Schlesinger and Ramankutty reach broadly similar conclusions, but they also point out that even though greenhouse gases now dominate global warming, if part of the warming during this century is indeed due to solar changes, the additional greenhouse effect may be weaker than was previously thought (Nature, vol 360, p 330).

It suggests that Earth will warm more slowly over this century than we thought it would, buying us a little more time to cut our greenhouse gas emissions and prevent dangerous climate change.

But then how to explain a similar rapid warming that occurred during the early 20th century, when the effects of greenhouse gases were considerably weaker than today?

«And we've warmed more than a degree Fahrenheit over the past century.

What scientists discovered in 2014 is that since the turn of the century, oceans have been absorbing more of global warming's heat and energy than would normally be expected, helping to slow rates of warming on land.

Professor Drijfhout said: «The planet earth recovers from the AMOC collapse in about 40 years when global warming continues at present - day rates, but near the eastern boundary of the North Atlantic (including the British Isles) it takes more than a century before temperature is back to normal.»

Realistic large - scale solar panel coverage could cause less than half a degree of local warming, far less than the several degrees in global temperature rise predicted over the next century if we keep burning fossil fuels.

Heatwaves from Europe to China are likely to be more intense and result in maximum temperatures that are 3 °C to 5 °C warmer than previously estimated by the middle of the century — all because of the way plants on the ground respond to carbon dioxide in the atmosphere.

One tentative estimate put warming two or even three times higher than current middle - range forecasts of 3 to 4 °C based on a doubling of greenhouse gases in the atmosphere, which is likely by late this century.

The five warmest years have all occurred since 2010, according to NOAA, and every year of the past 40 years has been warmer than the 20th century average.

June — August 2014, at 0.71 °C (1.28 °F) higher than the 20th century average, was the warmest such period across global land and ocean surfaces since record keeping began in 1880, edging out the previous record set in 1998.

The 2012 U.S. temperature is 0.01 °F higher than reported in early January, but still remains approximately 1.0 °F warmer than the next warmest year, and approximately 3.25 °F warmer than the 20th century average.

According to the AAAS What We Know report, «The projected rate of temperature change for this century is greater than that of any extended global warming period over the past 65 million years.»

For the Quelccaya Ice Cap (13.95 oS, 70.83 oW), this work revealed that peak temperatures of the mediaeval warm period were warmer than those of the last few decades of the 20th century.»