Sentences with phrase «twentieth century warming in»

2) The graph, which put the twentieth century warming in stark contrast with recent proxy records in the famous «hockey stick» shape appeared on the cover of the IPCC's third assessment report in 2001

This one is Twentieth century warming in deep waters of the Gulf of St. Lawrence: A unique feature of the last millennium (Thibodeau et al 2010).

Not exact matches

This is a warm, funny and illuminating book that guides readers through one woman's journey down the corridors of Whitehall and through a slowly changing society in the second half of the twentieth century.

This is why Stott et al conclude that «Nevertheless the results confirm previous analyses showing that greenhouse gas increases explain most of the global warming observed in the second half of the twentieth century,» DESPITE their indications that HadCM3 underestimates the observed response to solar forcing.

The basic fact that rising concentrations of greenhouse gases result in global warming has been understood since it was predicted from physical laws over a century ago; specification of the magnitude and geographical distribution of the warming are elucidated by the twentieth century observations and calculations.

* However, the same panel then concluded that «the warming trend in global - mean surface temperature observations during the past 20 years is undoubtedly real and is substantially greater than the average rate of warming during the twentieth century.

Acccording to RC, the uncertainty in the amount of aerosol cooling makes the twentieth century warming (the blade) a rather dodgy way of estimating the clim.

Result: NS 2) «In reviewing the results, the IPCC report concluded: «No climate model using natural forcings [i.e., natural warming factors] alone has reproduced the observed global warming trend in the second half of the twentieth centurIn reviewing the results, the IPCC report concluded: «No climate model using natural forcings [i.e., natural warming factors] alone has reproduced the observed global warming trend in the second half of the twentieth centurin the second half of the twentieth century.

The Early Twentieth - Century Warming in the Arctic — A Possible Mechanism LENNART BENGTSSON, VLADIMIR A. SEMENOV, OLA M. JOHANNESSEN

This is why Stott et al conclude that «Nevertheless the results confirm previous analyses showing that greenhouse gas increases explain most of the global warming observed in the second half of the twentieth century,» DESPITE their indications that HadCM3 underestimates the observed response to solar forcing.

SAT observations and model simulations indicate that the nature of the arctic warming in the last two decades is distinct from the early twentieth - century warm period.

In «The Early Twentieth - Century Warming in the Arctic — A Possible Mechanism» BENGTSSON 2004, they wrote «The largest warming occurred in the Arctic (60 — 90N)(Johannessen et al. 2004) averaged for the 1940s with some 1.78 C (2.2 C for the winter half of the year) relative to the 1910In «The Early Twentieth - Century Warming in the Arctic — A Possible Mechanism» BENGTSSON 2004, they wrote «The largest warming occurred in the Arctic (60 — 90N)(Johannessen et al. 2004) averaged for the 1940s with some 1.78 C (2.2 C for the winter half of the year) relative to theWarming in the Arctic — A Possible Mechanism» BENGTSSON 2004, they wrote «The largest warming occurred in the Arctic (60 — 90N)(Johannessen et al. 2004) averaged for the 1940s with some 1.78 C (2.2 C for the winter half of the year) relative to the 1910in the Arctic — A Possible Mechanism» BENGTSSON 2004, they wrote «The largest warming occurred in the Arctic (60 — 90N)(Johannessen et al. 2004) averaged for the 1940s with some 1.78 C (2.2 C for the winter half of the year) relative to thewarming occurred in the Arctic (60 — 90N)(Johannessen et al. 2004) averaged for the 1940s with some 1.78 C (2.2 C for the winter half of the year) relative to the 1910in the Arctic (60 — 90N)(Johannessen et al. 2004) averaged for the 1940s with some 1.78 C (2.2 C for the winter half of the year) relative to the 1910s.

http://journals.ametsoc.org/doi/abs/10.1175/1520-0442%282004%29017%3C4045:TETWIT%3E2.0.CO%3B2 Bengtsson, Lennart, Vladimir A. Semenov, Ola M. Johannessen, 2004: The Early Twentieth - Century Warming in the Arctic — A Possible Mechanism.

Apparently gyres may have been reducing the rise in sea level along the coasts as the climate warms even though the overall sea level was rising — and much of the sea level rise that we attributed to earlier in the twentieth century may actually have happened later in the twentieth century.

Recognizes that warming of the climate system is unequivocal and that most of the observed increase in global average temperatures since the mid twentieth century is very likely due to the increase in anthropogenic greenhouse gas concentrations, as assessed by the Intergovernmental Panel for Climate Change in its Fourth Assessment Report;

In fact, we do in fact have NH and global temperature reconstructions over that period, which show the twentieth century warming to be much faster than the prior warming as the Earth exited the LIIn fact, we do in fact have NH and global temperature reconstructions over that period, which show the twentieth century warming to be much faster than the prior warming as the Earth exited the LIin fact have NH and global temperature reconstructions over that period, which show the twentieth century warming to be much faster than the prior warming as the Earth exited the LIA.

-- Title: «Late Twentieth - Century Warming and Variations in Cloud Cover» Author: John McLean Journal: Atmospheric and Climate Sciences DoP: October 24, 2014 DOI: 10.4236 / acs.2014.44066

Twentieth century warming happened in two parts of which the step warming of 1998 was the second and final part.

There are some who would argue that it was only thirty years because there was warming in the eighties and nineties that goes by the name of late twentieth century warming.

Unfortunately in most temperature curves this is wiped out by an imaginary «late twentieth century warming,» It is fake but is needed to support the fiction that Hansen in 1988 reported global warming to the Senate.

What is more, one of the very first «skeptical» critiques of Cook et al was that it redefined the target in that the IPCC «consensus» was that 100 % or warming over the twentieth century was anthropogenic.

Notice, for instance, that one account of the consensus (more accurate than Grimes's) holds that «most of the warming in the second half of the twentieth century has been caused by man», and does not exclude the majority of climate sceptics, who typically argue that the IPCC over estimates climate sensitivity.

The reason you don't know about it is that it was covered up in official temperature curves by a fake warming called «late twentieth century warming.»

Heartland's spokesperson frequently say there is no scientific consensus that most of the global warming of the twentieth century was man - made, or that scientists are able to predict future climate conditions, or, finally, that there is a basis in science or economics for passing laws that would reduce greenhouse gas emissions.

Interestingly, though climate models have differing values for u, it remains almost time - invariant for a wide range of twenty - first century climate transient warming scenarios, while varying in simulations of the twentieth century.

In less than forty years the conditions went from the depths of the Little Ice Age to something comparable to the warmest decades of the twentieth century.

That is in the satellite record but ground - based records have blotted it out with a «late twentieth century warming» that is phony.

Compared with the 1950 — 2005 results, the larger model versus observed difference over 1900 — 2005 is due to a much larger observed warming in the early twentieth century than the model expectation.

An explanation for the difference between twentieth and twenty - first century land - sea warming ratio in climate models

I was looking up some minor detail about the Medieval Warm Period and discovered this weird parallel universe of people who apparently didn't believe it had happened, and even more bizarrely appeared to believe that essentially nothing had happened in the world before the twentieth century.

The early twentieth century warming started in 1910 and stopped abruptly with World War II cooling.

If you look at the temperature record posted by NOAA or at HadCRUT3 from CRU you will notice a «late twentieth century warming» shown as starting in the late seventies and continuing through the eighties and nineties.

All of the twenty - first century years are in fact warmer than the twentieth century years that preceded them except for the super El Niño pf 1998.

This fact makes that «late twentieth century warming» of the eighties and nineties a fraud and I said so when I published my book in 2010.

Arctic warming started with the twentieth century but in mid-century it stopped for thirty years and then resumed in 1970.

However, temperatures in Namibia have been rising at three times the global average rate for the twentieth century.9 A warmer, drier climate could threaten the country's valuable tourism sector.10

This «new evidence» is based on a single analysis of «proxy» data (that is, data that do not come from thermometers but rather from sources like tree rings, ice cores, corals, and ocean and lake sediments) showing the twentieth century to be the warmest in the past thousand years.

«It seems unlikely that anthropogenic forcing on its own could have caused the warming, since the change in greenhouse gas forcing in the early decades of the twentieth century was only some 20 % of the present.

«Hulme et al. (2001) noted that throughout the twentieth century, Africa has warmed at a rate of 0.5 °C century − 1 and from 1987 to 1998, the six warmest years in Africa's temperature record occurred with increasing intensity making 1998 the warmest.

Twentieth century global sea level, as determined from tide gauges in coastal harbors, has been increasing by 1.7 - 1.8 mm / yr, apparently related to the recent climatic warming trend.

... we showed that the rapidity of the warming in the late twentieth century was a result of concurrence of a secular warming trend and the warming phase of a multidecadal (~ 65 - year period) oscillatory variation and we estimated the contribution of the former to be about 0.08 deg C per decade since ~ 1980.

To make it easy, here is a link to a PDF: Late - twentieth - century warming in Lake Tanganyika unprecedented since AD 500

thus even their claim the «warming occurring in the first half of the twentieth century up to about.

Meehl et al., 2004 found that «By far the largest temperature response is to the GHGs in Fig. 1e, with slow warming occurring in the first half of the twentieth century up to about.

The global average temperature in 2014 was roughly 1.24 °F (or 0.69 °C) warmer than the average during the twentieth century, NOAA said.

''... Central England temperature rose by almost 1 °C during the twentieth century and the 1990's was the warmest decade in central England since records began in the 1600's.

In the opinion of the panel, the warming trend in global - mean surface temperature observations during the past 20 years is undoubtedly real and is substantially greater than the average rate of warming during the twentieth centurIn the opinion of the panel, the warming trend in global - mean surface temperature observations during the past 20 years is undoubtedly real and is substantially greater than the average rate of warming during the twentieth centurin global - mean surface temperature observations during the past 20 years is undoubtedly real and is substantially greater than the average rate of warming during the twentieth century.

We find that in the early twentieth century the warming was dominated by a positive phase of the Atlantic multi-decadal oscillation (AMO) with minor contributions from increasing solar irradiance and concentration of greenhouse gases.

In Wu et al. (2007) we showed that the rapidity of the warming in the late twentieth century was a result of concurrence of a secular warming trend and the warming phase of a multidecadal (~ 65 - year period) oscillatory variation and we estimated the contribution of the former [secular warming] to be about 0.08 °C per decade since ~ 198In Wu et al. (2007) we showed that the rapidity of the warming in the late twentieth century was a result of concurrence of a secular warming trend and the warming phase of a multidecadal (~ 65 - year period) oscillatory variation and we estimated the contribution of the former [secular warming] to be about 0.08 °C per decade since ~ 198in the late twentieth century was a result of concurrence of a secular warming trend and the warming phase of a multidecadal (~ 65 - year period) oscillatory variation and we estimated the contribution of the former [secular warming] to be about 0.08 °C per decade since ~ 1980.

UPDATE: New paper: http://hockeyschtick.blogspot.de/2015/06/new-paper-shows-n-greenland-was-warmer.html ===================================== By Ed Caryl The climate calamity crowd claims that the warming we experienced in the Twentieth Century is unprecedented... it has never happened before in human history.