Sentences with phrase «average warming over»

Global average warming over the 21st century «will substantially exceed even the warmest Holocene conditions, producing a climate state not previously experienced by human civilizations.»
``... warming of the climate system is unequivocal... most of the global average warming over the past 50 years is very likely due to anthropogenic greenhouse gases increases...» — Rajendra Pachauri, Chairman of the IPCC, Nobel Prize acceptance speech, Dec. 10, 2007
Carbon dioxide (CO2) is the main heat - trapping gas largely responsible for most of the average warming over the past several decades.
They do it with a whole lot of speculative math and proxy data, just as they do to guesstimate a 0.75 C globally - averaged warming over a century.

Not exact matches

These numbers compare with 69 % of all people surveyed who «believe there is solid evidence that the average temperature on Earth has been getting warmer over the past few decades» and 57 % who «believe humans and other living things evolved over time.»
The report found that while disposable nappies used over 2 1/2 years would have a global warming impact of 550 kg of CO2 reusable nappies produced 570 kg of CO2 on average.
A good guide to pricing for warmers is very affordable ones come in under $ 15, moderately priced warmers are in the $ 15 to $ 40 and above average carry a price tag over $ 40.
Over the course of the experiment, emissions of planet - warming methane from the dung of antibiotic - dosed cows were, on average, 80 % higher than those from the manure of untreated cattle, the team reports online today in the Proceedings of the Royal Society B.
During the Eocene, the concentration of carbon dioxide in the atmosphere was more than 560 parts per million, at least twice preindustrial levels, and the epoch kicked off with a global average temperature more than 8 degrees Celsius — about 14 degrees Fahrenheit — warmer than today, gradually cooling over the next 22 million years.
The findings were not a total surprise, with future projections showing that even with moderate climate warming, air temperatures over the higher altitudes increase even more than at sea level, and that, on average, fewer winter storm systems will impact the state.
On the other hand there has been no really notably dry, hot, sunny summer in the UK since 2006; summers overall have either been around average or exceptionally wet, and this appears to be linked with strong warming and more frequent high pressure over Greenland in the last decade.»
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.
Bowen and colleagues report that carbonate or limestone nodules in Wyoming sediment cores show the global warming episode 55.5 million to 55.3 million years ago involved the average annual release of a minimum of 0.9 petagrams (1.98 trillion pounds) of carbon to the atmosphere, and probably much more over shorter periods.
While Earth's landmass has warmed by about 1 degree Celsius (about 2 degrees Fahrenheit) over the past century, on average, land temperatures in the Arctic have risen almost 2 C (3.6 F).
Southern Ocean seafloor water temperatures are projected to warm by an average of 0.4 °C over this century with some areas possibly increasing by as much as 2 °C.
Temperatures at the Antarctic Peninsula have increased by 2.5 degrees Celsius over the last 50 years, warming that is much faster than the concurrent average global temperature increase.
Warmer than average temperatures were evident over most of the global land surface, except for parts of western Europe, northern Siberia, parts of eastern Asia and much of central Australia stretching north.
In the latter half of the decade, La Niña conditions persisted in the eastern and central tropical Pacific, keeping global surface temperatures about 0.1 degree C colder than average — a small effect compared with long - term global warming but a substantial one over a decade.
Average composite reflectivity over the CONUS (contiguous US) domain in all 13 years of the simulations are shown by season (May - June and July - August) and by simulation type (control and psuedo global warming).
Vahmani and Jones ran a simulation of the most extreme case — a complete cessation of irrigation — and found a mean daytime warming of 1 degree Celsius averaged over the San Francisco Bay Area.
The national average peak is June 12, but the peak in particular regions can be anywhere from early May to early July, when warm, moist air from over the Gulf of Mexico can venture northward and clash with other air masses, creating an unstable atmospheric environment.
But the study looked at departures from average conditions over shorter time periods, and may not be a good indicator of how people will respond to sustained warming.
Over this 100 - year period, O'Gorman found that average snowfall decreased substantially in many Northern Hemisphere regions in warm - climate scenarios compared with the milder control climates, but that snowfall amounts in the largest snowstorms did not decrease to the same extent.
The findings show a slight but notable increase in that average temperature, putting a dent in the idea that global warming has slowed over the past 15 years, a trend highlighted in the most recent Intergovernmental Panel on Climate Change report.
The world's oceans have already risen by an average of 8 inches over the last century from a combination of water added by ice melt and the expansion of ocean waters as they warm.
Warmer than average temperatures were evident over most of the global land surfaces, except for parts of the United States and western Europe, northern Siberia, parts of eastern Asia and much of central Australia stretching north.
There are some caveats with their study: The global climate models (GCMs) do not reproduce the 1930 - 1940 Arctic warm event very well, and the geographical differences in a limited number of grid - boxes in the observations and the GCMs may have been erased through taking the average value over the 90 - degree sectors.
Over the past 20 years or so, that transition zone has been gradually moving up the ice sheet by about 115 feet every year, on average — another indication that temperatures on the frozen island are warming.
U.S. Data Since 1895 Fail To Show Warming Trend LINK WASHINGTON, Jan. 25 — After examining climate data extending back nearly 100 years, a team of Government scientists has concluded that there has been no significant change in average temperatures or rainfall in the United States over that entire period.
Global warming, the phenomenon of increasing average air temperatures near the surface of Earth over...
It is important to recognize that the widely - cited «Antarctic cooling» appears, from the limited data available, to be restricted only to the last two decades, and that averaged over the last 40 years, there has been a slight warming (e.g. Bertler et al. 2004.
Also, for those interested, on page 41 of the Arctic Climate Impact Assessment Synthesis Report, is found a description of their Key Finding # 2 which includes the statement «Climate models indicate that the local warming over Greenland is likely to be one to three times the global average
While this does not mean that each winter will be warmer than the one before, the overall trend indicates that winters have been getting warmer, on average, over the last 45 years, and will likely continue to do so.
Trend from 1961 - 1990 in the Karl - Knight heat wave index, which tracks the warmest average minimum temperature over three consecutive nights in a year.
Given the one percent rise of temperature over the last century is an «average», and the Arctic and Antarctic regions are now warming faster, purportedly by up to eleven degrees, there must be areas that are now cooler.
Hawaii is expected to get significantly warmer: On our current path, by mid-century average temperatures will likely be between 1.6 °F to 3.6 °F warmer than temperatures over the past 40 years.
This escalation of warming should be sending alarm bells to all Australians, as Australia is over 10oC hotter than the global average, and there is an upper limit to human tolerance to heat.
global warming The increase in Earth's surface air temperatures, on average, across the globe and over decades.
«But if this study is correct, we should also expect average water supply for humans to decline over the long term as temperatures warm
The bright red area over Alaska corresponds to an unusually strong area of High Pressure bringing warmer - than - average temperatures.
In contrast, the balance shifts in a warming climate, and on average more new records highs than new record lows are set over any time period.
While some places were cooler this year than in recent summers, they may have still been above average over the entire period of record, as warming trends in
«Despite colder than average temperatures in any one part of the world, temperatures over the planet as a whole continue the rapid warming trend we've seen over the last 40 years,» said Gavin Schmidt, director of NASA's Goddard Institute for Space Studies in New York City, at the press conference.
The average temperature on Earth has barely risen over the past 16 years, indicating that global warming is currently taking a break - though that doesn't mean it's over yet.
Analysing surface temperature data for 1979 - 2015, they link a warm Arctic during March to colder - than - average temperatures over northern regions of North America and dry conditions in central southern areas between March and May.
Cooling sea - surface temperatures over the tropical Pacific Ocean — part of a natural warm and cold cycle — may explain why global average temperatures have stabilized in recent years, even as greenhouse gas emissions have been warming the planet.
The study is updated regularly and shows that «the average 2006 disposable nappy would result in a global warming impact of approximately 550 kg of carbon dioxide equivalents used over the two and a half years a child is typically in nappies» (diapers).
We actually had our first frost over the weekend, after enjoying several weeks of warmer - than - average weather.
-- is it right to say that this study doesn't show any significative influence of anthropogenic, post -1970 warming on SLR, since the SLR reacts mainly with a very large time constant and averages the temperature over a time much longer than 40 years?
For instance, the canvas buckets give a temperature up to 1ºC cooler in some circumstances (that depend on season and location — the biggest differences come over warm water in winter, global average is about 0.4 ºC cooler) than the modern insulated buckets.
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