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To: combjelly who wrote (535814)	12/11/2009 12:55:44 PM
From: Tenchusatsu	Read Replies (1) \| Respond to of 1577594

CJ, it's likely that the Little Ice Age was a global phenomenon, rather than something localized to the Northern Hemisphere. Otherwise, there would be plenty of evidence of the Southern Hemisphere heating up in response, not experiencing several cold spells of their own. Tenchusatsu

To: combjelly who wrote (535814)	12/11/2009 1:33:30 PM
From: Brumar89	3 Recommendations Respond to of 1577594

I've posted lots of peer-reviewed studies showing the MWP was warmer than the current century on both the Environmental thread and the Poltics of Energy thread - here: Message 26167665 Message 26165877 Note that the leaked CRU emails show the chief Climate Scientologists knew their case against the MWP was a crock: CRU scientist Keith Briffa ... emailed Edward Cook of Columbia University: “I am sick to death of Mann stating his reconstruction represents the tropical area just because it contains a few (poorly temperature representative) tropical series,” adding that he was tired of “the increasing trend of self-opinionated verbiage [Mann] has produced over the last few years .??.??. and (better say no more).” Cook replied: “I agree with you. We both know the probable flaws in Mike’s recon[struction], particularly as it relates to the tropical stuff. ...” In yet another revealing email, Cook told Briffa: “Of course [Bradley] and other members of the MBH [Mann, Bradley, Hughes] camp have a fundamental dislike for the very concept of the MWP, so I tend to view their evaluations as starting out from a somewhat biased perspective...” ..... Even Malcolm Hughes, one of the original hockey stick coauthors, privately expressed reservations about overreliance on their invention, writing to Cook, Mann and others in 2002: All of our attempts, so far, to estimate hemisphere-scale temperatures for the period around 1000 years ago are based on far fewer data than any of us would like. None of the datasets used so far has anything like the geographical distribution that experience with recent centuries indicates we need, and no one has yet found a convincing way of validating the lower-frequency components of them against independent data.... Mann didn’t react well to these hesitations from his colleagues. Even Ray Bradley, a coauthor of the hockey stick article, felt compelled to send a message to Briffa after one of Mann’s self-serving emails with the single line: “Excuse me while I puke.” .... Message 26156490

To: combjelly who wrote (535814)	12/11/2009 3:00:03 PM
From: Brumar89	2 Recommendations Read Replies (1) \| Respond to of 1577594

MWP project study interactive map: co2science.org co2science.org co2science.org Our Medieval Warm Period Project is an ongoing effort to document the magnitude and spatial and temporal extent of a significant period of warmth that occurred approximately one thousand years ago. Its goal is to ultimately provide sufficient real-world evidence to convince most rational people that the Medieval Warm Period was: (1) global in extent, (2) at least as warm as, but likely even warmer than, the Current Warm Period, and (3) of a duration significantly longer than that of the Current Warm Period to date. Why is it? The project's reason for being begins with the claim of many scientists - and essentially all of the world's radical environmentalists - that earth's near-surface air temperature over the last two decades of the 20th century (and continuing to the present) was higher than it has been during any similar period of the past millennium or more. This claim is of utmost importance to these climate alarmists; for it allows them to further claim there is something unnatural about recent and possibly ongoing warming, which allows them to claim that the warming has its origins in anthropogenic CO2 emissions, which allows them to claim that if humanity will abandon the burning of fossil fuels, we can slow and ultimately stop the warming of the modern era and thereby save the planet's fragile ecosystems from being destroyed by catastrophic climate changes that they claim will otherwise drive a goodly percentage of earth's plants and animals to extinction. Believing all of these claims to be false, we felt that disproving the first of them was the best way of refuting all the rest, or at least making them moot. The course of action we therefore take in this endeavor is to demonstrate that approximately one thousand years ago, when the atmosphere's CO2 concentration was approximately 25% lower than it is currently, earth's near-surface air temperature was equally as warm as, or even warmer than, it is today, demonstrating that today's temperatures are not unnatural and need not be due to the historical rise in the air's CO2 content. Indeed, these and other data covering a much longer timespan suggest that a more logical cause of our present warmth is the recurrence of whatever cyclical phenomenon produced the higher temperatures of the Medieval Warm Period. How is the project conducted? As we discover new peer-reviewed scientific journal articles pertaining to the Medieval Warm Period, we briefly describe their most pertinent findings in the Study Descriptions and Results section of the project. The locations of all such studies are then plotted on a map of the globe, and the intervals of time they associate with the Medieval Warm Period are incorporated into a graph of the frequency distribution of all such time intervals, which is located just beneath the map in the project's Interactive Map and Time Domain Plot feature. In extremely rare cases where only a single year is specified for the MWP, we assign it a 100-year timespan centered on the year reported by the study's authors. For studies that allow the determination of an actual temperature difference between the Medieval Warm Period (MWP) and Current Warm Period (CWP), this number is incorporated into the frequency distribution of all such differentials in the project's MWP-CWP Quantitative Temperature Differentials section. For studies that allow only a qualitative determination of the temperature difference between the MWP and CWP to be made, results are presented in the project's MWP-CWP Qualitative Temperature Differentials section. Last of all, the names of all scientists and research institutions associated with the MWP Project studies we cite are included in our List of Scientists Whose Work We Cite and List of Research Institutions Associated With the Work We Cite. co2science.org