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NewsBusters - Global Warming

» CNN's Blitzer: 'I Don't Remember' Biden's Law School Plagiarism

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» MRC Report Asks: Why No Fairness Doctrine for PBS?

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Science and Public Policy Institute

» Experimental Artifacts of Free-Air-C02-Enrichment (FACE) Studies

» The Extinction Risk for Stationary Plants

» Benefits of Atmospheric C02 Enrichment on Strawberries

» Forest Growth Responses to Increasing Temperatures

» Stop Climate Fear Mongering

» Was 2014 the Warmest Year on Record? No, It Wasn't...

» Problems with Model Predictions of Species Extinctions

» The Influence of C02 on Plant Antioxidants

» Health Effects of Hot vs. Cold Temperatures in Asia

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» Forest Growth Response to C02

» Onward Marches the Great Pause

» Response of Various Marine Animals to Ocean Acidification and Warming

» FACE Experiments and Grassland Species

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» Response of Fish to Ocean Warming

» Additional Grounds for Rejecting Biofuels

» The Global Medieval Warm Period

» Growth Rates of Old Versus Young Forest Trees

» Water Use Efficiency of Agricultural Species

» Tropical Trees

» Global Temperatures and Biospheric Productivity

» Rewriting Sunspot History

» Analysis of the Second Order Draft of the Working I Contribution to IPCC 5AR

» The Economics of Biofuels

***
Climate Science: Roger Pielke Sr. Research Group

» Roger Pielke Sr. is now on Twitter!

» 2012 Climate Science Weblog in Review by Dallas Jean Staley – A Guest Post

» The Weblog Is Retiring

» Publication Of “Reply to “Comment On ‘Ocean Heat Content And Earth’s Radiation Imbalance. II. Relation To Climate Shifts’ ” by Nuccitelli Et Al. By Douglass and Knox 2012

» Q&A From A Group Of Retired NASA Personnel And Associates

» The Importance of Land Use/Land Practices On Climate – A Perspective From Jon Foley

» Interview With James Wynn In The English Department At Carnegie Mellon University

» University Of Alabama At Huntsville October 2012 Lower Tropospheric Temperature Analysis

» USA Election Day 2012

» New Paper “Climatic Variability Over Time Scales Spanning Nine Orders of Magnitude: Connecting Milankovitch Cycles With Hurst–Kolmogorov Dynamics” By Markonis And Koutsoyiannis

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» Revkin’s Source

» Andrew Weaver: Libel Chill or Libel “Polar Vortex”

» Marotzke and Forster’s circular attribution of CMIP5 intermodel warming differences

» Important New North American East Coast Proxy Data

» Ground-truthing Marcott

» More Mann Grafting

» Mann and the Legacy of “Bogus”

» One of Carvin’s Gaffes

» Oral Argument 2: EPA on “Fraud” Allegations

» Oral Argument 1: Context

***
Watts Up With That?

» Climatic Jihad?

» Housekeeping: Adobe Typekit is being flagged by Ghostery browser extension as a problem program

» Cultural Tipping Point Reached – Hollywood has started mocking global warming

» Congessional Republicans push back against the climate witch-hunt

» Faux outrage over Willie Soon’s disclosure? Joe Romm failed to disclose his political financial ties in a scientific paper

» Global warming research: strong storms to become stronger, weak storms to become weaker

» For The Love Of Models: A Global Warming Allegory

» Anatomy of a climate witch-hunt letter from U.S. Representative Raúl M. Grijalva

» On Steinman et al. (2015) – Michael Mann and Company Redefine Multidecadal Variability And Wind Up Illustrating Climate Model Failings

» Swivel eyed lunacy – posted by Josh

» Greenpeace: The roots of Climate Smear

» Giant red blob seen in the skies over the western USA

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Global Warming News

» CEI Drops Other Shoe on McCarthy Mimics in Congressional Democratic Caucus

» Rep. John Yarmuth Is Latest To Suffer from Type-II Climate Derangement Syndrome

» New York Times Repeats Scurrilous Greenpeace Attack on Willie Soon Without Checking the Facts

» Lies and Other Lowlights from EPA Administrator McCarthy’s Testimonies on FY 2016 Budget before the House This Week

» Energy & Environment Media Bullet Points

» There’s No Such Thing as a “Neutral” Carbon Tax

» Did “Prickly” Waxman Settle for M St. after Being Spurned by K St.?

» Grist’s Gross Mission Creep Reflects Rise of Big Green within the DNC

» FERC Commissioner Moeller Puts the Lie to EPA’s Rote Claim Regarding Clean Power Plan “Flexibility”

» EPA Shuns Federal Agencies, States, Congress, Private Sector, and Even Itself (but not green special interests!)

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Fox News - Climate Change Stories

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Michelle Malkin - Enviro-Nitwits

» Starbucks working diligently to protect the planet from threat posed by whipped cream

» Great Lakes’ failure to cooperate with Al Gore’s doomsday alarmism a sure sign of climate change, says Bill Nye

» Bill Nye shares climate change proof: The Wyoming hills are alive with ‘science’!

» Man-made climate change alarmists continue to be busted revising history

» Koch-a-geddon watch: Salon picks up slack for Harry Reid while he recovers

***
DailyTech Michael Asher`s blog

» Will the Real Antarctica Please Stand Up?

» Global Warming May Decrease Hurricanes, Research Suggests

» Japanese Report Disputes Human Cause for Global Warming

» Sea Ice Ends Year at Same Level as 1979

» A Funny Thing Happened on the Way to the (Climate) Forum

» Climate Report Downgrades Ice Loss; Media Reports Opposite

» Princeton Physicist Calls Global Warming Science "Mistaken"

» Defying Predictions, Sea Level Rise Begins to Slow

» Electric Car Sales in Freefall; Industry Risks Collapse

» Glaciers in Norway Growing Again

***
C3 - Climate Cycles Change

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CATO - Global Warming

» A Litmus Test for ObamaCare and the Rule of Law

» Currency Wars, Again

» What Terrorists Are Really Angry About

» Common Core Confusion: Blame Supporters

» Libya: Hold Policymakers Accountable for another Washington War Gone Bad

» Hillary the Stealth Candidate

» Terrorism Poses No Existential Threat to America. We Must Stop Pretending Otherwise

» I’m an Immigrant and a Reform Advocate. Obama's Executive Actions Are a Disaster for the Cause.

» President Obama Is Apparently Not Imperial Enough for the GOP

» India's Next Budget Needs a Vision for Leading Asia

» US Wants to Hack Your Phone Because It Doesn't Have Real Spies It Needs

» Religious Liberty in China: The Key to a Stable, Peaceful, and Harmonious Order

» Pushing Back against Islamist Aggression

» The Island Dispute No One Is Talking About

» George Washington, the Man Who Established the Republic

» Washington's Foolish Foreign Policy: American People Must Say No to More Wars

» Does Supporting School Choice Mean Hating Public Schools?

» The Battle for Central Europe

» Obama Moves to Extend U.S. Lives. Impossible for Him? Let's See

» Drug Money: Obama's Reckless $1 Billion Payout to Central America

» Liberty Dies as Thailand's Military Monopolizes Power: Junta Dispenses Repression Instead Oof Happiness

» Testing Obamacare

» The U.S. Government's Cyber-Go-Round

» The Pentagon's Bloat

» Obamacare's Electronic-Records Debacle

***
CanadaFreePress - Global Warming

» Equatorial Glaciers?—Yeah!

» Conservatives and “Gaffes”

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Date published: Sat, 28 Feb 2015 19:53:46 +0000
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Date published: Fri, 27 Feb 2015 17:53:30 +0000
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Date published: not known
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Manuscript by Don J. Easterbrook, PHD
"Geologic Evidence of the Cause of Global Warming and Cooling — Are We Heading for Global Catastrophy?"
on Thursday 29 May 2008
by Admin author list print the content item create pdf file of the content item
in No Consensus
comments: 0

Dr. Don J. Easterbrook, Professor Emeritus Geology, Western Washington University is the author of 8 books, 150 journal publications with a focus on geomorphology; glacial geology; Pleistocene geochronology; environmental and engineering geology (for a summary of his impressive bio click here). He voted for Al Gore in 2000 but now can't forgive him for turning scientific debate in to outrageous propaganda. He has called NASA's James Hansen a "so-called climatologist" "who says things that are idiotic".

It would seem that Geologists who have spent a lifetime studying the long history of the earth have little time for people that don't know what they're talking about. But we've pointed out for sometime that geologists, and even paleontologists, are much less likely to believe in anthropogenic global warming than say a chemist or climatologist. Why? Because they've seen this type of climate change happen many times before, in the history of the rocks and fossils that they study. Dr. Easterbrook does an excellent job of pointing out how current climate conditions pale in comparison to even recent historical climatic events.

Here is how Dr. Easterbrook describes his manuscript:
"The purpose of this paper is not to present a comprehensive review of all of these issues (that would require a book!), but to point out some interesting relationships between present global warming and isotopic fingerprints from ice cores and recurrent glacial advance and retreat cycles recently and in the geologic past."
The manuscript starts by showing the current state of science and how the media is misreporting events. Several graphs are presented showing recent yearly temperatures and CO2 trends. A case is clearly made that there is no relation between the two. He goes on to point out some of the assertions made by the IPCC and the media.
"In a Newsweek article (August 13, 2007), author Sharon Begley states “Current warming is 10 times greater than ever before seen in the geologic record. The chance that warming is natural is less than 10 percent.” Every competent geologist knows that this statement is totally false and contrary to vast amounts of well-established data. Global climates have warmed about 4-7° F in a series of ~30 year cycles since the Little Ice Age 400 years ago, all with no correlation with atmospheric CO2, yet the author claims that “the pattern of warming has a human fingerprint.” What is needed to bring clarity to the issue is not rhetoric like this, but a hard look at the huge amount of geologic data that shows we’ve had climate changes 20 times greater than the past century in a fourth of the time."
The IPCC has stated that climate change prior to 1950 was likely due to "volcanic eruptions and changes in solar irradiance" yet climate change after 1950 was largely anthropogenic (man-made). Our current level of warming is not at all unusual and was seen as recently as the medieval warming period (800-1300 AD).
"The report does not elaborate on why, if solar irradiance or volcanic eruptions were responsible for earlier climate changes, they could not also be the cause of changes since 1950, nor how anthropogenic emissions could be responsible for early 20th century warming before CO2 emissions began to soar after 1945."
Regarding Al Gore's allegation that there is a "consensus" among scientists that CO2 has caused the current warming Dr. Easterbrook has the following to say:
"Gore (2006) and other proponents of the CO2 as the cause of global warming allege that “there is virtually no serious disagreement remaining on any of these central points that make up the consensus view of the world scientific community.” The basis for this claim apparently is based, at least in part, on the IPCC report and the claim that virtually all of the world’s scientists endorse it. However, the summary 2007 report for policymakers was compiled by only 33 authors and the full report, to be released in June 2007, was assembled by 143 authors and reviewed by 27 editors, hardly representative of the entire scientific community. Lindzen (2006) points out, “there is no consensus” -- no one has polled the world’s several hundred thousand scientists. Gore (2006) claimed that of 928 articles dealing with climate change in the past 10 years, none expressed any doubt about the cause of global warming. Lindzen (2006), however, found that of those 928 publications, only 13 favored CO2 as the cause of global warming. Clearly, what needs to be done is to get away from the rhetoric and politicizing of global warming and carefully analyze the facts as they exist."
One of the often repeated statements by those that insist that CO2 is the cause of global warming is that "never before in the Earth’s history has climate changed as rapidly as in the past century". That statement seems absurd when one looks at even the recent geologic record.


Temperature changes over the past 15,000 years (central Greenland).
Red lines represent times of sudden warming, blue lines represent times of rapid cooling.


The warming over the past 50 years is hardly even noticeable on the 15,000 year graph above. Compare the peaks about every 800-1000 years for the past 10,000 years (since the last full ice age), all are much warmer than what we're experiencing now. In fact the last 1,000 years has been unusually cool for this interglacial period, just looking at the graph it certainly looks like we've been over due for warming (or if our interglacial period is over another full ice age which would be much worse). The full manuscript (links below) outlines the several abrupt climate changes over this period.

You may be familiar with the often displayed Mann "hockey stick" graph that shows dramatic warming over the past few decades at a rate not seen in the past 1,000 years. This graph was shown by Al Gore in his movie 'An Inconvenient Truth' with Al Gore being raised in a cherry picker to the top of it. The "hockey stick" graph has been disproved by several reputable scientists. This from Dr. Easterbrook:

The Mann “hockey stick” was at odds with hundreds of historical and isotope sources, including the Greenland GRIP ice core isotope data, sea surface temperatures in the Sargasso Sea sediments (Keigwin, 1996), and paleo-temperature data other than tree rings (Fig. 9) (Loehle, 2007). McIntrye and McKitrick (2003) evaluated the data in the Mann paper and concluded that the Mann curve was invalid “due to collation errors, unjustifiable truncation or extrapolation of source data, obsolete data, geographical location errors, incorrect calculation of principal components and other quality control defects.“ Thus, the “hockey stick” concept of global climate change is now widely considered invalid and an embarrassment to the IPCC.
He goes on to present a couple of graphs showing proxy measurements from the past 3,000 years that show that the medieval warming period was much warmer and lasted a lot longer than the current warming we're experiencing today. (The Mann "hockey stick" graph is based off of several tree ring proxy studies. However all of these studies used much of the same invalidated data. As Dr. Easterbrook points out the Mann hockey stick is not supported by any of the other proxy measurements.)

Dr. Easterbrook spends a lot of time describing the natural cycles of climate change and the historic evidence that proves what we're seeing is nothing new. There are several natural cycles that affect climate, we've described two them in previous articles Pacific Decadal Oscillation (PDO) and solar cycles. Dr. Easterbrook goes in to a lot of detail on the 30 year cycle of climate cooling and warming caused at least in part by the PDO. This 30 year cycle has been observed in nearly all of the proxies that are capable of showing that level of precision.




There are several images of glaciers that show the retreat and advance through 1940-1979. These glaciers were all retreating through 1956 then started to advance again through 1979. All of these glaciers had significantly retreated by 1956 only to advance past their 1940 extent by 1979. Dr. Easterbrook also points out that we're also in a longer term cycle of warming that is causing us 1ºF per century as we come out of the Little Ice Age. This longer term cycle is causing glaciers to retreat century over century.



“The importance of the various types of evidence of climate fluctuations is that they show long–standing evidence of cool/warm cycles over many centuries. Adding more recent, observed climatic fluctuations to the earlier records shows that we are now right where we ought to be in this pattern, i.e., at the end of the current 30 year warm period and just entering the next 25-30 year cool phase. Extending this ongoing record into the future provides an opportunity to predict coming climate changes.”

“Most of the global climate changes described above were far more intense (12 to 20 times as intense in some cases) than the global warming of the past century (compare them in Fig. 5), and they took place in as little as 20–100 years. As shown on Figure 5, the global warming of the past century (0.8° C) is virtually insignificant when compared to the magnitude of the earlier global climate changes. None of these sudden, pre-1977 global climate changes could possibly have been caused by human CO2 input to the atmosphere because they all took place long before human CO2 contributions to the atmosphere began.”
What is his prediction of future temperatures based on historic trends and what is being measured today? A little less than 0.4°F warming by 2050 compared to the IPCC's prediction of 2.5°F.


You can read the entire manuscript here (Adobe PDF format. About 1.6mb each):
PART 1 GEOLOGIC EVIDENCE OF GLOBAL WARMING AND COOLING
PART 2 GEOLOGIC EVIDENCE OF GLOBAL WARMING AND COOLING
PART 3 GEOLOGIC EVIDENCE OF GLOBAL WARMING AND COOLING




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