Sentences with phrase «roman warm»

Ljungqvist also states that: «'' a very cautious interpretation of the level of warmth since AD 1990 compared to that of the peak warming during the Roman Warm Period and the Medieval Warm Period is strongly suggested.»
And this: «On the basis of δ18O data, reconstructed water temperatures for the Roman Warm Period in Iceland are higher than any temperatures recorded in modern times.»
It is also in line with past temperatures showing recovery from cold periods such as the Little Ice Age that we are still recoveing from and we are still not as warm as Roman Warm Period and perhaps approaching the temperatures of the Medieval Warm Period.
The Minoan warm period was warmer than the following Roman warm period which in turn was warmer than the following Medieval Warm period which was warmer thanthan the current warm period.
I'd have thought the stuff on the Roman Warm Period would have produced a diversion into the crimes of Caligula, but no...
Actually, the warming was positive — e.g. Roman warm period or Medieval warm period.
If we take an epicyclic periodic leap of faith an assume the hypothesis that this 1470 year cycle is a significant driver of present day warming, and align it with the Medieval warm period, we get temperatures rising from ~ 800 BC to a warm peak at ~ 468 BC — a little early for the Roman warm period.
For all I know, there may be heat coming out of the ocean that was stored there during the Roman Warm Period and has been sloshing around ever since, but we can't even think about that now, according to his own rules of RCA.
The mwp and the roman warm period appear to be warmer than the present.
It would be remiss not to connect the Roman warm optimum and the series of savage winters recorded above that afflicted Constantinople, with the great medieval warming of Greenland and the age of the Vikings several hundred years later.
The 20th century warming is remarkable for breaking the Holocene trend downward (even more so than the MWP or Roman Warm Period).
As you say the Roman warm period was well documented and I wrote about it at some length in my article here (you need to follow the second link)
After the Holocene Optimum, temps were undergoing a slow downward trend globally, with significant spikes up and down during such events as the 8.2 KY event, the Roman Warm Period, the MWP, and the LIA, etc..
That and her explanation of the chronology seemed very qualitative (look at the section on the Roman Warm Period for instance).
The world warmed into the Roman Warm Period and at some point it topped out.
And does the midge thesis validate the bridge concern or Tiljander's overall qualitiative comparison of her core to Roman Warm Period and such?
Ice volume is building and after this typical period, similar to the Medieval Warm Period or Roman Warm Period, the ice will advance and cool the earth, land and ocean and the earth will go into the next cool period, similar to the little ice age.
The Medieval Warm period was more than 100 years ago and the Roman Warm period was more than 100 years ago.
During the Roman Warm Period ~ 2,000 years ago, sea levels were significantly higher than they are now.
In preparation for that program and using the results of Figures 4.4 and 4.5 of the report published on the website of The Right Climate Stuff Research Team: http://www.therightclimatestuff.com/BoundingClimateSensitivityForRegDecisions.pdf, I concluded that if one believes there has been no continued natural warming since 1850 from the approx. 1000 year period natural climate cycle that brought us the Roman Warm Period, The Medieval Warm Period and the Little Ice Age, then the carefully worded IPCC AR5 report claim that most of the global warming since 1950 is due to human causes, is TRUE.
the contemporary warming of the 20th century, which does not stand out in the 2500 - year perspective and is of the same magnitude as the Roman Warm Period and the Medieval Climate Anomaly
The Roman Warm Period and the Medieval Warm Period show up clearly.
That assumption conflicts with studies finding that the Northern Hemisphere was warmer than present for several decades during the Medieval Warm Period and Roman Warm Period and for thousands of years during Holocene Optimum.
Roman warm period ~ 1800 BP.
So if you believe the fire scars recorded global temperatures, that must mean you deny the Roman Warm Period.
I suggest you look at the Jovian positions in 76 BC, 104 AD and 283 AD, through the Roman Warm Period I believe: https://www.fourmilab.ch/cgi-bin/Solar/action?sys=-Sf
Therefore the fire scar evidence fails to record the Roman Warm Period, which the ice cores indicate was even warmer than the MWP.
In the most recent period, we observe a millennial separation between warm periods: Modern Global Warming (present), Medieval Warm Period (~ 1100 AD), Roman Warm Period (~ 100 AD); and between cold periods: Little Ice Age (~ 1650 AD; E1), and Dark Ages Cold Period (~ 650 AD; E2).
Holocene optimum followed by Minoan warm period then Roman warm period.
Just like happened in the Roman warm period and in the Medieval warm period.
How about the Roman Warm Period era, when Arctic temperatures were 2 to 6 degrees C warmer than now and the Arctic had less than 50 % sea ice coverage 6 months of the year vs. just 1.5 months of < 50 % sea ice coverage during the post-1950s «Anthropocene»?
Hindcasting to the Roman Warm Period, say 200BC - 0AD, it gives a temperature 3.3 to 3.7 deg C cooler than today.
«Amazonian Tropical Forests Achieve Accelerated Growth Contrary To Climate Alarmist Predictions Main Reasearch Finds That Roman Warm Period Was Signifcantly Warmer Than Present, Pre-Human CO2»
The premise for this scare story is that Greenland's glaciers or the Western Antarctic ice sheet will melt, but neither of these melted when temperatures were as high as, or higher than today, during the Medieval Warm period 1,000 years ago, or the Roman Warm period 1,000 years earlier.
That glacier plot makes sense in its general picture, including indirectly showing the Medieval Warm Period and Roman Warm Period in it.
Notice the Minoan and Roman warm periods
Second, you skipped the Roman warm period, and I am grateful that even the» the climate consensus community» accepts that the «so - called Holocene Climactic Optimum was indeed warmer than both the LIA» What you fail to note is peer review literature supports the MWP, the coolest of the three warm periods, as being as warm as today, and NO, the» the climate consensus community» did not even exist when this was known so they did not inform me of this.
Furthermore, much evidence indicates that today's warm temperatures remain below peak temperatures experienced during the Medieval Warm Period of 1,000 years ago, the Roman Warm Period of 2,000 years ago and the Holocene Climatic Optimum of 5,000 years ago.
On the face of it, I would look for the effects of such well - attested events as the Roman Warm Period, the Medieval Warm Period, and the Little Ice Age.
There was a Roman Warm Period and a Medieval Warm Period and now there is a Modern Warm Period.
However, there have been other studies in both the Swiss and Austrian alps (e.g. Schlüchter, Patzelt), which have found carbon - dated remains of trees under receding glaciers, supporting the conclusion that the glacial extent during the Roman Warm Period and the MWP (as well as during earlier warm periods) was less than today.
Until the Believers stop denying the existence of the Viking Warm, the Roman Warm, and the Little Ice Age, we aren't going to learn much from those models.
There were other previous shorted - lived warm periods in historical times before the WMP, such as the Roman Warm Period and the Minoan Warm Period.
Current GCM models may have realistic - seeming weather patterns, but are totally incapable of producing phenomena that look like the Holocene (Little Ice Age, Medieval Warm Period, Roman Warm Period, Holocene Optimum, the steady decline of temperature on average over the last 3,000 years, etc.) The Climate Science community has, instead, taken the path of trying to claim that these swings didn't occur (Michael Mann's «Hockey Stick», etc.) This does not give me a lot of confidence in the rest of their «science».
Two weeks ago a group of leading european «tree rings» specialists from different european countries commented to YLE (Finish Broadcasting Radio) that current warm period has not been yet as warm as Medieval Warm Period or Roman Warm Period.
Longest was the Holocene Optimum between 8000 and 5000 years ago (ya); the Minoan Warm Period 3400 ya; the Roman Warm Period 2400 ya; the Medieval Warm Period 1000 ya and most recently the 1930s warm period.
Temperatures were at least as warm about 2,000 years ago when Christianity arose during the «Roman Warm Period.»
Kim if the proxies are wrong how do you KNOW there was a medievel warm period or a Roman warm period or a LIA.
Does it also include a Holocene Climate optimum, Minoan Warm Period, Roman Warm Period and Medieval Warm Period, and the cold epochs in between?
In the Arctic and Europe, they also found relatively high temperatures during the first centuries AD, consistent with a «Roman Warm Period.»
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