Sentences with phrase «of medieval warming»

The ironic thing is that that this evidence of the medieval warming period is in a museum in Copenhagen.
Excerpt: The analysis concluded, «Looks like [study author] Steig «got rid of» Antarctic cooling the same way [Michael] Mann got rid of medieval warming.
The ironic thing is that this evidence of the medieval warming period is in a museum in Copenhagen.
It appears the Briffa - Osborn 1999 version (with both pre-1550 and post-1960 data) would poke holes in the uncertainty margins and in the theory of a medieval warming period.
«Scientist adjusts data — presto, Antarctic cooling disappears» — December 21, 2008 Excerpt: The analysis concluded, «Looks like [study author] Steig «got rid of» Antarctic cooling the same way [Michael] Mann got rid of medieval warming.
Bill Parsons (14:55:22): From the Guardian article: Baillie says his data won't help (as evidence of Medieval Warming).
Baillie says his data won't help (as evidence of Medieval Warming).
Neither side however has claimed that medieval temperatures collided with the peak of the Medieval Warming Period at the breakneck speed of jousting medieval knights on horseback.
If the LIA was caused by erupting volcanoes to some extent and we could cancel out the LIA, is it possible that the current warming is just one long continuation of the Medieval Warming Period, Roman Warming Period, all the way back to.....?
Not even the fierce Norse, in the middle of the medieval warming period, are said to have visited Alaska.
The most significant criticism is that Soon and Baliunas do not present their data quantitatively — instead they merely categorize the work of others primarily into one of two sets: either supporting or not supporting their particular definitions of a Medieval Warming Period or Little Ice Age.
Rather than trying to airbrush this bump in the 1940s and trying to get rid of the medieval warm period — which these hacked e-mails illustrate — we need to understand them.
«The climate reconstructions for the past 2,000 years have led to a simplistic picture of a Medieval Warm Period and a Little Ice Age.
Dear Sir, I have found 193 papers (2003 +) on co2science.org, standing for the existence of a medieval warm period, and also added 6 more papers for 2010.
As a engineering doctorate (with an early minor in history), I was dumbfounded by the lack of the Medieval Warm Period — the warm period had a huge influence on warfare, and the following cold period broke the back of the hold of the church in Europe....
See this, p. 11, where Lindzen writes: «Not surprisingly, efforts were made to get rid of the medieval warm period (According to Demming [sic], 2005, Jonathan Overpeck, in an email, remarked that one had to get rid of the medieval warm period.
A major person working in the area of climate change and global warming sent me an astonishing email that said «We have to get rid of the Medieval Warm Period.»
«temperatures during the warmest intervals of the Medieval Warm Period,» which they defined as occurring «some 900 to 1300 years ago, «were as warm as or slightly warmer than present day Greenland temperatures»
This article is especially important in light of the charge that MBH got rid of the Medieval Warm Period.
It also shows, consistently, that nobody is trying to «get rid of the medieval warm period» or «flatten out the little ice age» since those are features of all reconstructions of the last 1000 to 2000 years.
This is the linchpin: if the difference between pre-industrial and modern temperatures is not as dramatic as this analysis indicates — i.e. if modern GLOBAL temperatures are comparable to those of the Medieval Warm Period (named for a REGIONAL phenomenon)-- then there is little need for urgency.
Japanese Naval Records indicate a fleet navigated a completely ice - free Arctic Ocean at the peak of the Medieval Warm Period, so total melting is nothing new, however unlikely at current temperatures.
It also concludes that current northern hemisphere surface air temperatures are significantly higher than during the peak of the Medieval Warm Period (MWP).
No, the Bristlecone pines do matter, because the claims about the level of the Medieval Warm Period depend heavily on the Bristlecone pines (in nearly all of the studies — so far as I can tell) It's not unscientific to say so.
To answer the question of the Medieval Warm Period, more than 1,000 tree - ring, ice core, coral, sediment and other assorted proxy records spanning both hemispheres were used to construct a global map of temperature change over the past 1,500 years (Mann 2009).
The major focus was the depiction of the Medieval Warm Period (MWP) from approximately 950 to 1350 AD, but the cold spell from 1350 to 1850 known as the Little Ice Age (LIA) was also a concern.
It appears to typify Wigley's patronizing way of talking to wayward CRU members, especially those who undermined the elimination of the Medieval Warm Period.
One of the most politically charged allegations is that Jones, together with scientific collaborators, tried to systematically downplay the importance of the Medieval Warm Period (MWP), a brief phase of natural, pre-industrial warming that may have occurred around 1000 AD.
Warmest decades of the Medieval Warm Period, and coolest decades of the Little Ice Age, after re-centering each reconstruction to match the instrumental temperature record during the period of overlap.
Ok, what was the nudge that moved the world out of the medieval warm period into the little ice age, and what moved it out of the little ice age?
Finally, it's worth noting that comparison to the instrumental record suggests that modern temperatures are significantly warmer than those during the height of the Medieval Warm Period.
-- rejecting the historical evidence demonstrating the existence of the Medieval Warm Period, which was slightly warmer than today across most of the civilized world at that time
As for the IPCC's dismissal of the Medieval Warm Period as a European phenomenon, the Center for the Study of Carbon Dioxide and Global Change maintains a large and growing archive of studies indicating that the Medieval Warm Period was global and / or warmer than recent decades.
Documenting the Global Extent of the Medieval Warm Period.
Aside from the suggestions that there was a strategy to get rid of the medieval warm period and hide the decline — the most serious revelations of Climategate to my mind were that dozens of scientists thought Mann's work was crap.
These minima occurred during the Little Ice Age which saw temperatures plunge after the relatively high temperatures of the Medieval Warm Period.
The Neptune / Uranus factor is a lot weaker around the time of the Medieval Warm Period (Jupiter & Saturn not aligning) with very little disturbance (not unlike the overall weakening trend we are starting to experience now), but still I predict a weak solar grand minimum (see prediction at end of report).
Datasets from fig 4 and fig 5 combined, a northern / southern hemisphere display of the Medieval Warm Period:
An example is provided by the revisionist efforts of some researchers to extinguish the existence of a Medieval Warm Period.
Existence of this Medieval Warm Period (MWP) contradicted the claim that post-industrial human CO2 was causing unprecedented warming.
Steven At the onset of the medieval Warm Period around 900 - 1000CE, from much cooler preceding centuries, Why did it warm?
This will happen on a schedule that is similar to the cooling after the peak of the Medieval Warm Period and similar to the cooling after the peak of the Roman Warm Period.
Look at the peak of the Roman Warm Period and the peak of the Medieval Warm Period and the cooling that followed for a time estimate.
Professor Deming reported receiving an email that said, «We have to get rid of the Medieval Warm Period.»
• There is much scientific and historical evidence that the reported recent warming in the Arctic is not unprecedented, for instance the 1920/30's are recorded to have been relatively warm as in this 2006 paper, and this newer paper is interesting if challenging, but there are still other similar papers and much widespread history of the Medieval Warm Period.
Each of us has to strike the right balance between being effective and being honest» (Dr. Stephen Schneider); and, the alleged (there is some debate about the validity and accuracy of this quotation, I understand): «We have to get rid of the Medieval Warm Period» (attributed to Professor John Overpeck).
It then follows that we * MIGHT * actually be seeing the after effects of the Medieval warm period... Though I've read this wasn't a worldwide phenomena, though, it is likely that ocean current would have circulated the effect, and after 800 years, a localised heating of this type, might have an effect in all the deep ocean areas.
During high solar output of the Medieval Warm Period, tropical waters in both the Atlantic13 and Pacific14 increased by as much as 1 °C warmer than today.
In the September 3, 2009 article on the Arctic, Eilperin claimed — without offering any evidence — that that the «documentation of the Medieval Warm Period is primarily about Europe, and natural records indicate average Arctic temperatures during that time were not as high.
Furthermore, by the mid-1900s we were, to the best of our knowledge, passing the warmest temperatures of the Medieval Warm Period that preceded the Little Ice Age by several centuries.
a b c d e f g h i j k l m n o p q r s t u v w x y z