Sentences with phrase «latest warming period»

We had a high water stand around 1600 and should expect another one during the latest warming period.
Most geologists don't dare predict earthquakes, although they should try, climatologists have predicted this latest warming period, geologists are more paleo - climate experts than AGW..

Not exact matches

There was no explanation of why both the medieval warm period and the little ice age, very clearly shown in the 1990 report, had simply disappeared eleven years later.
They'd seen slowdowns in the past, often associated with natural cycles in the Earth's climate — England pointed to periods when the Earth has taken a break from warming, such as from 1945 to the late 1970s.
At last week's meeting here of the Society of Vertebrate Paleontology, another team of U.S. - based researchers looked at a slightly later but somewhat less severe warming period, which happened about 53 million years ago.
Closer to the poles the emergence of climate change in the temperature record appeared later but by the period 1980 - 2000 the temperature record in most regions of the world were showing clear global warming signals.
At approximately 90 million years old, the bird fossils are among the oldest avian records found in the northernmost latitude, and offer further evidence of an intense warming event during the late Cretaceous period.
In contrast, the consensus view among paleoclimatologists is that the Medieval Warming Period was a regional phenomenon, that the worldwide nature of the Little Ice Age is open to question and that the late 20th century saw the most extreme global average temperatures.
The warmest period occurred in the late 20th century — too short to meet Soon and Baliunas's selected requirement.
Thus, factors shaping the climate during the relatively warm period of the Late Pleistocene are probably doing much the same today.
The public, press and policy makers have been repeatedly told that three claims have widespread scientific support: Global temperature has risen about a degree since the late 19th century; levels of CO2 in the atmosphere have increased by about 30 % over the same period; and CO2 should contribute to future warming.
In his Figure 5 under a section entitled «A New Northern Hemisphere Summer Temperature Record» he shows that the mid to late 20th century temperature as determined from tree ring analysis is far warmer than any period in the past that his analysis includes (this only goes back to 1400 AD).
For the late 20th century, a period of strong greenhouse gas increases, but with diminishing solar influence, variability in ocean warming shown in the profiles falls much further still.
Scientists have unearthed a new bird species from fossils in the Canadian Arctic dating back about 90 million years, making them the oldest records of avian species found so far north and suggesting an intense warming event occurred during the late Cretaceous period.
The contiguous U.S. had its warmest January - to - June period since records began in the late 19th century.
He said that using an earlier baseline period would have better captured all the warming that has occurred, as there was some small amount already in the late 19th century.
«Near the end of the previous warm period (Late - Eemian) when the sea level was +5 to +9 meters higher than today, persistent long period long wavelength waves 30 meters high battered the Bahamas coastline.
The public, press and policy makers have been repeatedly told that three claims have widespread scientific support: Global temperature has risen about a degree since the late 19th century; levels of CO2 [carbon dioxide] in the atmosphere have increased by about 30 percent over the same period; and CO2 should contribute to future warming.
During lunch period on a warm late spring day, she decided she was too pale and headed out to the athletic field to catch some rays at lunch.
On the other end of the summer, we will occasionally get a warm spell in late September or early October, so the November pill works backwards and takes care of that time period.
I've noticed of late that there is a revival amidst the indie scene that is a warm welcome in this retro - fusion period of gaming.
... Continental - scale surface temperature reconstructions show, with high confidence, multi-decadal periods during the Medieval Climate Anomaly (950 to 1250) that were in some regions as warm as in the mid-20th century and in others as warm as in the late 20th century.
The continued forcing from CO2 over this period is substantial, not to mention «warming in the pipeline» from late 20th century increase in CO2.
What is shockingly ill - advised to me is that the Pielke and McIntyre projections both required, in order to fit with their hoped for story line, that the adjustments not only affect the period from 1945 to 1960, but also extend beyond that into the late 90s, in order to level the more recent temperature increases so as to both make the rate appear less dramatic and the amount of recent, CO2 forced warming less of a concern.
If you want to assume that aerosols resulting from pollution produced by the burning of fossil fuels were responsible for the cooling evident from 1940 through the late 70's, then you have no reason to claim ANY degree of warming due to CO2 forcing during any earlier period.
The fact remains that the rate of warming in the early 20th century is comparable to that in the late 20th century whether you look at the Arctic in isolation or the globe as a whole and since CO2 levels were markedly different in the 2 periods there must be another significant factor.
The late Medieval warm period is called a climatic optimum for a good reason.
If we consider the period of warming from the mid to late»60s then a warmer troposphere in 1979 should not be surprising.
Most proxy - only reconstructions show the mid-20th century (not late) to be the warmest period — which we know, according to surface temperature observations, is incorrect.
Looking at just recent history we have the Roman Warm Period around the 1st century, 500 years later the dark ages (massive crop failures and starvation), another 500 years the Medieval Warm Period and 500 years later the Little Ice Age.
I find it interesting that at that time the projections were for more warming than later iterations of the IPPC... but the alarmism during the same period has increased.
Fair enough, but two points are clear — the two warm periods reconstructed — Medieval and late 1700s are > 0.6 C cooler than recent NH anomalies of around 1C CRU], which means that while the details differ, McIntyre's plot is fully consistent with the conclusion of Mann et al 2008 that recent warmth is unprecedented for 1,000 years or more.
During many of those periods such as the late Devonian die off there were indeed changes we today would call global warming.
The month of April, and the stretch from January through April, were both the warmest such periods in the instrumental record, according to the latest analysis by the National Oceanic and Atmospheric Administration.
However, until the period of warming in the late 1980s, it was a minor player in the lake food chain.
Over the preceding period the humanity has had much time to adjust to new circumstances and modest additional warming before later cooling may be of little significance.
The six - month period from January to June was the warmest half - year on NASA's global temperature record, with an average temperature that was 1.3 degrees Celsius (2.4 degrees Fahrenheit) warmer than the late nineteenth century.
a) Our models can not explain the early 20th century warming period b) We know that the (statistically indistinguishable) late 20th century warming was caused principally by human - caused forcing.
A feature of the warming period in the late 1980s and 1990s was farmers planting crops earlier.
From Climate Change Dispatch Peter Ferrara — Forbes Blogs — February 24, 2014 If you look at the record of global temperature data, you will find that the late 20th Century period of global warming actually lasted about 20 years, from the late 1970s to the late 1990s.
The satellite temperature difference for those two periods show that the later period was 0.27 °C warmer.
â $ œThe late Holocene records clearly identify Neoglacial events of the Little Ice Age (LIA) and Medieval Warm Period (MWP).
Earth and Planetary Science Letters Volumes 325 — 326, 1 April 2012, Pages 108 — 115 An ikaite record of late Holocene climate at the Antarctic Peninsula This ikaite record qualitatively supports that both the Medieval Warm Period and Little Ice Age extended to the Antarctic Peninsula.
The last «spurt» was from ~ 1910 to ~ 1944, over which period it warmed 0.53 C («statistically indistinguishable» from the late 20thC warming cycle, according to Phil Jones)..
There seems to have been a period of global warming during the 1910s - 1940s, and before that, a period of global cooling during the late 19th century.
In our papers studying weather station records, we found that global temperatures have alternated between relatively cool and relatively warm periods roughly every 30/40 years since at least the late 19th century.
There are multiple lines of evidence that suggest that temperatures (at any rate in the Northern Hemisphere) are no warmer today than they were back in the late 1930s / early 1940s, notwithstanding that during this period some 95 % of all manmade CO2 emissions have taken place.
As the start date pushed into October from the late 1400s so Europe entered a period known as the Little Ice Age, which followed the Medieval Warm Pperiod known as the Little Ice Age, which followed the Medieval Warm PeriodPeriod.
They tend to show more variability than the original hockey stick (their sticks are not as straight), but they all support the general conclusions the IPCC TAR presented in 2001: late 20th century warming is anomalous in the last one or two thousand years, and the 1990s were likely warmer than any other time in that period.
Anthropogenic warming in the post — war period was 0.4 degrees K. 1944 to 1998 including both the mid century cool and the late century warm Pacific Ocean regimes — as seen in surface temperature records.
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