Sentences with phrase «per decade since»

Satellite data show that the margins of the ice sheet have darkened by as much as 5 % per decade since 2001.
He said the world had been warming at 0.12 °C per decade since 1995.
This trend is consistent with climate studies showing that overall, winters across the contiguous U.S. have warmed by.61 °F per decade since 1970, and every region has warmed at least somewhat over that time.
One important exception appears to be in Antarctica, where recently, Peter Doran of the University of Illinois at Chicago, and a team of scientists, report finding a marked decrease in temperature — as much as 0.7 °C per decade since 1966.
Richard Allan tells us it does appear in the last IPCC report, but refers to a 15 - year period in the run up to the report's release, not the warming per decade since 1951.
The global land and ocean temperature during the three - month period of September — November has increased at an average rate of +0.07 °C (+0.13 °F) per decade since 1880; however, the average rate of increase is twice as great since 1980.
But that does not change the observed fact that the fraction remaining in the atmosphere has decreased (by around 1 % - point per decade since Mauna Loa measurements started — from around 55 % to around 50 % (even though the ocean temperature increased marginally over this period).
This index has shown an increase of 0.04 C per decade since it started in 1850, so a general increase is probably what we are going to continue to see over the long term.
This fraction has decreased by around 1 % per decade since CO2 measurements started at Mauna Loa, and is around 5 % - age points lower today than it was back then.
The size of the oceanic methane clathrate reservoir is poorly known, and estimates of its size decreased by roughly an order of magnitude per decade since it was first recognized that clathrates could exist in the oceans during the 1960s and 1970s.
The Lewis sensitivity of 1.35 C works out to be almost 0.1 C per decade since 1979.
On the time - varying trend in global - mean surface temperature ``... 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.»
«The current cooling trend in global mean temperature has amounted only to about 0.1 Co per decade since its initiation in the mid-1940s.»
The slight decrease in the SH is now greater then the 17 yr period, which in essence removes the global context.In addition the increase in sea ice in the antarctic around 1 % per decade since 1970 is problematic at least,
Scientists» measurements show that sea levels around the globe have risen by about 1.3 inches per decade since 1990.
For example, coastal stations in Greenland are cooling and average summer air temperatures at the summit of the Greenland Ice Sheet have decreased by 4 degrees Fahrenheit per decade since measurements began in 1987.
The 0.155 per decade corresponds well with my global result of o. 14 per decade since 1980.
UAH satellite data do show that the Earth has been in a long - term warming trend (+ 0.14 °C per decade since November 1978).
The oceans have warmed with «virtual certainty,» the report concludes, at a rate of about 0.2 degrees Fahrenheit (0.11 Celsius) per decade since 1970 in the upper 246 feet (75 meters) of surface water.
Looks like higher latitude stations do show a significantly larger warming trend (0.28 C per decade vs 0.18 C per decade since 1960).
Furthermore, «at the summit of the Greenland ice sheet the summer average temperature has decreased at the rate of 2.2 °C per decade since the beginning of the measurements in 1987.
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 to be about 0.08 C per decade since ~ 1980.
When accounting for actual GHG emissions, the IPCC average «Best» model projection of 0.2 °C per decade is within the uncertainty range of the observed rate of warming (0.15 ± 0.08 °C) per decade since 1990.
The annual global average temperature increased at an average rate of 0.07 degrees Celsius, or 0.13 degrees Fahrenheit, per decade since 1880.
«Fernando Leanme October 26, 2014 at 7:21 am Gates, was it you who claimed the surface temperature was increasing at 0.1 degrees per decade since 1998?»
The temperature data at Mauna Loa from 1955 do not support the conclusions of the paper, of extreme warming at «high altitude Hawaii» to the extent of 0.268 C per decade since 1975.
Gates, was it you who claimed the surface temperature was increasing at 0.1 degrees per decade since 1998?
So, armed with an understanding of statistical significance you can now draw the following conclusions (i) We can reject the null hypothesis that the observed warming trend since 1970 has arisen by chance (ii) We can't reject the hypothesis of a stable positive trend of about 0.15 degrees per decade since 1970.
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 ~ 1980.
Temperatures have been warming on the West Antarctic Peninsula at about 0.5 ° Celsius per decade since the early 1950s, a rate about four times faster than the global average.
The decline for summer extent is larger than for winter, with the summer minimum declining at a rate of 7.4 ± 2.4 % per decade since 1979.
... 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.
If IPCC are right, and the current «pause» will reverse itself at the end of this year, back to the observed warming trend (0.11 ºC per decade since 1990), it will take 27 years for this to happen, i.e. by 2041, or a bit sooner than predicted by IPCC in 1990.
An objective post on this would have started by showing the annual temperature trend, such as this with 2014 short - term averages added in http://www.woodfortrees.org/plot/hadcrut4gl/mean:12/from:1950/plot/hadcrut4gl/from:1970/trend/plot/hadcrut4gl/from:2014/mean:3 We would note that the trend is 0.16 C per decade since 1970, that the temperature mostly does not follow the trend but oscillates equally to about 0.1 C on each side, and that 2014 has returned to the long - term trend line in much the same way as several other cooler periods have.
This is within the uncertainty range of the observed rate of warming (0.15 ± 0.08 °C) per decade since 1990, and very close to the central estimate.
By measuring changes in winds, rather than relying upon problematic temperature measurements, researchers estimated the atmospheric temperatures near 10 km in the Tropics rose about 0.65 degrees Celsius per decade since 1970 — probably the fastest warming rate anywhere in Earth's atmosphere.
By measuring changes in winds, rather than relying upon problematic temperature measurements, Robert J. Allen and Steven C. Sherwood of the Department of Geology and Geophysics at Yale estimated the atmospheric temperatures near 10 km in the Tropics rose about 0.65 degrees Celsius per decade since 1970 — probably the fastest warming rate anywhere in Earth's atmosphere.
The research team monitored decreases in seawater pH of about 0.02 per decade since the late 1960s in the Iceland and Barents seas.
Summer is also the rainy season in Florida, and parts of Central Florida have seen an increase of 0.4» in summer rainfall per decade since 1970.
UAH shows warming of 0.13 degrees per decade since 1979 (the least of any series).
The decrease has been greatest during summer, with sea ice extent reducing by around 12 % per decade since the satellite record began in 1979.
Tropical Andes temperature increased at a rate of at least.1 degrees C per decade since 1939, and the rate has more than tripled over the past 25 years.
The entire trend of 0.06 per decade since 1950 should now be attributed to greenhouse gases (the balance of 0.06 per decade)
According to the World Health Organization, «life expectancy has been improving at a rate of more than 2 years per decade since 1950, with the exception of the 1990s.»
Research by the National Oceanic and Atmospheric Administration lends credibility to her claim: In the United States, December through February temperatures have increased an average of 0.55 degrees Fahrenheit per decade since 1970, bringing with them unpredictable hot spells and storm patterns.
Put another way, the additional snowfall has offset 0.02 mm of sea level rise per decade since 1800.
The global land and ocean temperature during January has increased at an average rate of +0.07 °C (+0.13 °F) per decade since 1880; however, the average rate of increase is twice as great since 1975.
Overall, the global annual temperature has increased at an average rate of 0.07 °C (0.13 °F) per decade since 1880 and at an average rate of 0.17 °C (0.31 °F) per decade since 1970.»
Summer temperatures have already increased across the U.S. in recent decades; in the Pacific Northwest they have risen by almost 0.5 °F per decade since 1970.
According to real - world observations, we had 16 species losses per decade during 1500 to 2000 C.E.. We've had 0.6 species lost per decade since 2000.
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