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gallopingcamel at 09:23 AM on 7 June 2010Irregular Climate: a new climate podcast
chriscanaris (#58), Ned (#59) correctly describes the range of the predictions mentioned in my original commnet. Even the best case (2 degrees Kelvin) is an "Extraordinary Claim". Skeptics are not making "Extraordinary Claims"; they are just asking the CAGW folks to produce some convincing evidence. -
Ned at 09:17 AM on 7 June 2010Irregular Climate: a new climate podcast
chriscanaris writes: There's the rub - how likely are global emissions to peak and decline by 2020? Alas, that now seems unlikely, though I firmly believe that we could have done so if we had started back in the 1990s. Instead, we have two "lost decades". Thus the CD report's conclusion that There is a very high probability of the warming exceeding 2C. The thing is, we still have to get off this merry-go-round sometime. We've probably missed the opportunity to keep warming below 2C. All that means is that it's even more essential to get to work on developing a productive, satisfying, and low-carbon civilization ASAP. The time for dithering is rapidly running out. Nobody wants to see warming of 4, 5, or 6C ... but if we can't kick the fossil fuel habit, burning coal will send us there sooner or later. -
Rogerthesurf at 09:14 AM on 7 June 2010Climate's changed before
scaddenp, Thanks for your comment. First of all I make no apologies for the length of my reply as it is in response to the answer I received from the owner of this blog for comment #82. I understand the intentions and content of the papers and abstracts I carefully read, thanks for your concern. It appears however that you do not or refuse to understand the relevant points, I suggest you read again and give it some deep thought. The fact you refer me to any IPCC publication where the AGW hypothesis (Anthropogenic CO2 causes Global Warming) is assumed to be valid, and every thing is based on it, shows me that you have not yet understood what my assertions are about, let alone appreciated the difficulty in arriving at a sufficient standard of proof that will justify the sacrifices expected of us. Some comment though: I'm surprised you haven't heard of the negative logrithmic properties of CO2 and it's greenhouse properties. Try googling the subject. Its even described in that "epitome of authority" Wikipedia " "it is difficult to understand why we did not experience excessive heat (such as enough to make the world uninhabitable) during say the Holocene Maximum where the climate was significantly warmer than today.". " This is in response to the feed back theory mentioned in the above answer. "And by the way, we have no way of measuring what the outgoing radiation was in holocene." Correct and this is a problem when trying to prove the AGW hypothesis. You are welcome to continue this discussion on my site where there is no chance of having reasonable comments spammed. However comments containing Ad Hominem comments and the like. will not be published. Cheers Roger -
MattJ at 09:13 AM on 7 June 2010Abraham reply to Monckton
Abraham's rebuttal is excellent. Even so, I think he weakens the potential force he could have by the traditional cautionary phrase "in my view", when it it really not just his view, but the plain facts of the case. After all, the plain facts of the case are that Monckton does not use scientific facts except in a polemical way. Also, there are small errors of inflectional agreement, such as "very periphery issues" where he clearly meant "very peripheral issues". Not to mention this too is a point that needs to be driven home: when faced with REAL science, Monckton retreats into cheap debating tricks, here, the infamous red herring. -
Doug Bostrom at 08:28 AM on 7 June 2010Abraham reply to Monckton
I'd say if there's science to explored here, it has to do with what happens when a fellow such as Monckton catches the public ear, changes the course of public policy and thus promotes climate change by the very act of causing us to ignore or minimize the problem. This can be quantified to a certain extent today and our skill at so doing is steadily improving. See the recent "Climate Change Commitment" posts at Real Climate to understand what I'm talking about. Every ton of carbon needlessly emitted because of delays in public policy response to C02 emissions is going to have an undeniable knock-on effect down the road. So to those worrying about "ad hominem" attacks on Monckton, by all means let's not resort to invective or hollow insults. At the same time, let's not misunderstand, folks such as Monckton are a cultural phenomenon contributing to climate change to the extent their rhetoric is effective. If rhetoric of this kind is found to lack foundation, then that is a characteristic of this phenomenon and must be acknowledged and such acknowledgment necessarily requires descriptive language. The English language provides us with suitably precise tools for that kind of description. Choose your words carefully but don't be fooled into thinking that we cannot or should not talk about the phenomenon of misguidance itself when it has measurable effects on physical phenomena. -
DrTom at 08:17 AM on 7 June 2010Abraham reply to Monckton
@#20 "Dr Abraham, I appreciated your presentation, but I believe contacting Monckton beforehand would only have been fair. We live and learn, eh?" Absolutely not, Sir. If I publish drivel, fabricate data and peer-review my own data through my company which has no more expertise in the subject matter than I; if I have been called out as a charlatan; if my data have been referred to inside and outside the scientific community as "downright misrepresentation" "pseudo-scientific gibberish" and "preposterous" and proven to be manufactured by me to fit my conclusion rather than basing my conclusion on the data; and if I did not choose to request peer review of my subject matter before I published, what leap of logic suggests to you that I deserve any more consideration than I gave? If I wish to present a thesis to the scientific community, I must develop it logically and present my paper and the evidence for it for peer review BEFORE I present it. The alternative is that I may run amok with a completely nonsensical idea....and get caught. Publishing without review leaves no fallback position but to attack the people who document the obvious fallacies of the work...especially if they show the data I used are were falsified. Monckton has been described here as "a skilled ideologue". Not in my opinion, but as I once heard someone say "There's an old saying in Tennessee — I know it's in Texas, probably in Tennessee — that says, fool me once, shame on — shame on you. Fool me — you can't get fooled again." My comments regarding this subject regard the ethical application of the scientific method. We can go back to science; that is specific numbers and charts and graphs...but if the science is not applied in an unbiased and ethical manner, we get exactly what we see here with Monckton. I submit that this discussion is as important to the scientific method as specific data are to the experimenter. -
Doug Bostrom at 08:12 AM on 7 June 2010On the Question of Diminishing Arctic Ice Extent
Here's an interesting presentation by Wieslaw Maslowski of the U.S. naval postgraduate school, shown in a talk at the March "State Of the Arctic" conference. Abstract of talk: Recent reductions of the arctic sea ice cover since the late 1990s provide one of the top examples of warming climate. However, the causes of ice melt and its rate are not fully understood. When compared with the satellite record of summer sea ice extent, simulations from general circulation models (GCMs) participating in the Intergovernmental Panel for Climate Change Fourth Assessment Report are too conservative in their representation of ice melt in the Arctic Ocean. In addition, ice thickness and volume estimates from submarines and satellites as well as from some models suggest that the trend of arctic ice extent decline may not reflect the more rapid rate of ice volume melt. The inability of climate models to reproduce the recent warming and ice melt in the Arctic diminishes their accuracy of future climate predictions. A more realistic regional model representation of the Arctic Ocean and its sea ice indicates an accelerated thinning trend during the last decade. The model skill is evaluated against ice thickness data gathered during the last three decades. It appears that removal of ice from the shelves in the western Arctic for prolonged time acts to increase oceanic heat content in the upper ocean year around, which in turn has a significant impact on sea ice cover. Warm water advection from the adjacent shelves exerts a thermodynamic forcing of sea ice through the under-ice ablation and the lateral melt downstream at marginal ice zones. However, the absolute magnitude and long term variability of the upper ocean heat storage and fluxes are not well known from observations and are typically poorly represented in models. We hypothesize that the excess oceanic heat that has accumulated during recent summers due to increased solar insolation and oceanic heat convergence is a critical initial factor in reducing ice concentration and thickness in the western Arctic Ocean before the melt season and onwards the following year. The modeled thinning trend is robust which lends credence to the postulation that the Arctic not only might, but is likely to be almost ice-free during the summer in the near future. The accompanying presentation is a smorgasbord of visualizations. Advancements and Limitations in Understanding and Predicting Arctic Climate Change (pdf) -
Dibble at 08:02 AM on 7 June 2010Abraham reply to Monckton
Monkton @10: "The usual practice in academe is that anyone wishing to rebut another's work notifies that other of his intention and of the rebuttal, before it is published, to give that other the opportunity to prevent needless errors." Correct me if I'm mistaken, but it seems to me that you don't actually seek to engauge with 'academe', do you? If you did, surely some of your ground breaking interpretations of other peoples research would have been published in a respected scientific journal by now. I was under the impression that your performances (presentations) are more intended to influence the 'court of public opinion' to accept some of your maverick ideas than a genuine desire to uphold standards in academic practice. -
johnd at 07:09 AM on 7 June 2010On the Question of Diminishing Arctic Ice Extent
Riccardo at 05:16 AM, what is surprising is that we seem to have gone the full circle without you realising it. This exchange began with my referring to an article about research being done to improve the accuracy of satellite measurements of ice thickness that you contested the relevance of, yet you sum up above by noting "the absence of better measurements we would all like to have". Technical or non-technical the reference was provided as perhaps being of interest to anyone who appreciates the difficulties in measuring ice, by whatever means! Irrespective of what model is used, they are all still subject to the uncertainty or range of errors inherent in the original measurements that comprise the input data. -
jeffgreen11 at 06:28 AM on 7 June 2010Abraham reply to Monckton
I was helping my 13 year old son write papers for school. Admittedly he was struggling to get it right. The teachers were teaching the proper method for footnoting. I believe Mr. Monckton has not done a proper job of what is taught in grammar school. I'm interested in seeing Mr Monckton prove himself. Hopefully his own education standards can exceed my son's level. Leaving a proper trail for people on both sides of the issue to check the work. Will his future presentations come up to this standard or will he try to keep the undeucated people in the dark? Otherwise it appears he is insulting his own audience by playing on their lack of knowledge. -
Stephen Baines at 06:12 AM on 7 June 2010Abraham reply to Monckton
Frankly, if Abraham's presentation is an ad hom attack, then every critical review I've ever gotten through peer-review is also ad hom -- maybe even some of the positive ones! Certainly, if I submitted a paper with this many obvious flaws, the tone of the reviewers would have been far worse than Abraham's. I guess that its thoroughness equates in Monckton’s mind to obsessive meanness, but that’s what substantial criticism looks like. We all have to learn to lick our wounds when we are shown to make mistakes in review . Why not Monckton? A proper response would have been to acknowledge the problems and thank the reviewer for pointing them out. I agree with Doug Bostrom. I see no reason why Monckton should have been allowed to see the criticisms before Abraham published his critique. That holds in the peer-review literature, but Monckton himself has never thought it necessary to make use of peer-review or adhere to its principles (see previous point). He choose instead to go straight to the public with what appear to be distortions of the literature and authors he cites that would never have survived peer-review. Why does he require those rules to apply now? Also, when a paper is bad enough, there is no opportunity for a response to reviewers – it is rejected outright without option of response. If I were an editor seeing Abraham's review, Monkton's submission would probably be one of those cases. -
Doug Bostrom at 05:57 AM on 7 June 2010Irregular Climate: a new climate podcast
Yikes, I had no idea I was such a radical! So hard for me to be short, but just to sum up what I was driving at but did not explicitly state: -- It takes a very few seconds or minutes to dream up an unsupported and incorrect hypothesis while skipping the vital step of performing some simple plausibility tests based on prior research, much more time to patiently explain why such an idea is wrong. -- It takes even less time to simply repeat an unsupported and incorrect hypothesis, a fictitious popular rumor, again always requires more time to explain again why that rumor is wrong. -- Endlessly repeating the two variations I just cited means we are reliving the same day, over and over again, stuck at a point on a continuum of improvement, burning time and personal energy going nowhere. -- I submit that all of us have limits to our patience, leading those few persons here capable of making cogent contributions to progress in popular understanding of this topic to ultimately conclude they're wasting their time in endless dithering around elementary mistakes. (I do not include myself in that group of worthies; I'm a mile wide and an inch deep) To sum up, what some may call "extraordinary claims" are by another measure boring mundanity, dull and repetitious in spite of their enduring nature. BTW, it's nice to enjoy an occasional non-science related thread such as this one, where we can have meta-discussions... -
Albatross at 05:30 AM on 7 June 2010Abraham reply to Monckton
Mark R, I honestly believe it would have been a waste of time for Dr. to engage Mr. Monckton before releasing his presentation. They stand on opposite sides of a wide canyon. It would have just allowed Monckton to go on the offensive/attack before Dr. Abraham's talk had been released. Also, the Mr. Monckton's errors/misrepresentations/distortions etc. are not ambiguous. That all said, when are we going to get back to some science ? ;) I think that we have entertained Mr. Monckton's nonsense for long enough (although I do understand that it was necessary for Dr. Abraham to counter Mr. Monckton's, err, "rebuttal"). -
Doug Bostrom at 05:29 AM on 7 June 2010Abraham reply to Monckton
Disregarding some insubstantial quibbles Monckton's objections seem to be centered entirely on the manner and style of Abraham's work, not the content. Even his complaints about form seem rather empty, as well as inconsistent. Monckton chides Abraham for not following proper academic form in preparing his response, yet clearly Monckton's lecture circuit is not an academic enterprise, rather it's more of a traveling road show or the like. Thus it seems entirely appropriate for Abraham not to treat this a as an academic dispute and to use a popular venue for his deconstruction of Monckton's lecture. As well, it seems pretty clear Monckton feels free to attack a broad swathe of researchers without bothering to contact them prior to adding to his show material criticizing these people. Monckton ought to stick to substance not style if he cares to rebut Abraham. -
MarkR at 05:19 AM on 7 June 2010Abraham reply to Monckton
Dr Abraham, I appreciated your presentation, but I believe contacting Monckton beforehand would only have been fair. We live and learn, eh? I'd request that every time you write something back that you really do stop, take a breather, and remember to stick to the science. This 'trading' of credentials is just the sort of mud slinging Monckton and his ilk want you to engage in. Monckton has massively misrepresented the projections of the IPCC (I particularly liked his modified 'IPCC projections'), repeatedly makes silly mistakes (like how 'cooling since 2002' is valid), and misrepresented the results of a series of academic papers such as from Johannesen. Please get him to see that (heh, fat chance) or when he doesn't, just keep making it clear to everyone what he's doing. He's a very skilled ideologue, please don't get dragged down to his level of mud slinging. -
Riccardo at 05:16 AM on 7 June 2010On the Question of Diminishing Arctic Ice Extent
john, what it's surprising is the shift of the attention as convinience dictates. Indeed, the errors bar relevant to the left figure are not those of submarines data. Having said this, you may have noticed that my comments started saying that determinig ice volume from that satellite images was inappropiate. I didn't see you criticise that. ICEsat determines thickness directly through laser altimetry; there are errors, quite large indeed, yet it's better and gives significant thickness reduction. In the absence of better measurements we all would like to have, a models like PIOMAS are probably better still. As repeatedly said. -
tobyjoyce at 05:11 AM on 7 June 2010Abraham reply to Monckton
@John Russell, It is manifestly false that Monckton has "succeeded in reducing those who have commented down to his level". The fact is that Monckton's response, if written directly here as a blogpost, whould have been taken down by the Moderator as being excessively vicious and ad-hominem. The comments above are mild in comparison. They either state facts, or express rational opinions. Monckton could not hope to be popular for most commenters here, but a thoughtful, graceful response by him would have received more responses in kind. -
johnd at 04:53 AM on 7 June 2010On the Question of Diminishing Arctic Ice Extent
Riccardo at 00:17 AM, the only error bar shown was on right hand graph, and then on the thicker ice. The error should be proportionally larger on the thinner ice. From the error bar that they do show, note that the uncertainty of the submarine data is almost larger than the range of nominal thickness for the entire 30 years of data, and exceeds that of the ICESat data. If included on the thinner ice, or included on the left hand graph then it would be more obvious just how significant the errors are compared to the calculated values, and just how careful one needs to be when drawing conclusions on trends. I do note that throughout the whole climate change debate little is made of the range of uncertainty inherent in any of the data referenced, and little appreciation of such uncertainty by those who debate values and trends as if the values quoted are 100% rock solid. The uncertainties or range of errors are there for an obvious reason. As an analogy, if the value of ice thickness data collected by submarine indicated by the blue line in the right hand graph, instead represented the thickness of sheet steel, say 3mm thick, with the indicated accepted error, over the years any steel mill could have supplied me with steel that varied as the graph indicated and rightfully claim that it is still the same nominal thickness. -
Paul D at 04:47 AM on 7 June 2010Abraham reply to Monckton
Has anyone counted the number of ad-hominem attacks Monckton has made about Monbiot and John in that article? He uses the word 'Venomously', sounds very appropriate for what he has written. -
Riccardo at 04:41 AM on 7 June 2010On temperature and CO2 in the past
Berényi Péter, read again the post and look at the graphs, it's about CO2 and fig 3 adds methane. That's all it's said. -
Berényi Péter at 04:30 AM on 7 June 2010On temperature and CO2 in the past
#33 Riccardo at 16:55 PM on 5 June, 2010 If nothing can be calculated using known physical laws we can have no CO2 nor temperature reconstructions Who said nothing? It is paleo TOA net radiation budget that can't be calculated using either known physical laws or otherwise. Fossil cloud cover data are nowhere to be found, for example. -
chris at 04:26 AM on 7 June 2010Irregular Climate: a new climate podcast
Berényi Péter at 03:16 AM on 7 June, 2010 Yes I know of Ramanathan's papers Peter ("Dr." or "Professor" Ramanathan rather than "Mr." - he's not a surgeon!). I was referring more specifically to the analysis of of soot and sulphur in Greenland cores for a more direct assessment of its possible contributions to 20th century forcing of Arctic temperatures. In fact I found it; it's: McConnell et al (2007) 20th-Century Industrial Black Carbon Emissions Altered Arctic Climate Forcing Science 317, 1381 - 1384 abstract So there may have been a significant contribution from black carbon to early 20th century Arctic warming. Likewise there's good evidence for enhanced greenhouse forcing and a small solar contribution to the early 20th century warming which we're "released" after a period of volcanic suppression of Arctic (and global) temperatures. Of course it's silly to fiddle about with graphs or mumerology to assess attributions when this has been done properly elsewhere (e.g. here). Your comments on the Kaufman 2009 Arctic temperature reconstruction. Of course there's always a question about the accuracy of paleoreconstructions (after all we weren't there with our thermometers 1000 years ago!). However the proxy has decent skill in matching the direct temperatures and captures around 0.8-0.9 oC of warming during the period of overlap in your blow-up. So it seems to do quite well. It doesn't capture the full late 20th century and contemporary warming determined from direct temperature measurements. There are several reasons for this including (i) the proxy data set doesn't extend temporally as far as direct measurements, (ii) decadal averaging of real or proxy data results in suppression of amplitudes during periods where the parameter is changing quickly, (iii) quite a few of the proxies used by Kaufman et al (2009) don't extend to the end of the 20th century for various reasons. You should have a careful read of Kaufman et al (2009) to look at this in more detail if you're interested. I'm not going to comment here on your last paragraph since it's illogical and construted around a false premise. However I will comment if you wish... -
Manwichstick at 03:56 AM on 7 June 2010Why does Anthony Watts drive an electric car?
@ Marcus #91 regarding discussion with "theendisfar". In the youtubian sphere, I occasionaly find myself arguing with people like the "theendisfar" and I have found many of your posts in this dicussion a bit clarifying. To characterize their position, I would suggest a Lindzen-type professor, sitting in a comfy chair, laughing at the idiocy of connecting CC/GW with any one cause (CO2) as laughable since it is such a complex system. They appear, to me, to hide under the complexity blanket - pointing out errors made by others (sometimes rightly so) but never really dealing with the issues of what the models are saying etc.(as an example). They claim CC is a "soft" science, citing what is unknown, -the lack of a simple/testable model- but do not contribute any new knowledge. And they certainly don't publish meaningful alternatives with any explanatory power. I like how your harped on the greenhouse gas basics in your posts in this discussion - something it, appeared to me, that theendisfar failed to answer. They seem to focus on all the reasons for doubting AGW, while the evidence for it is dismissed out of hand - almost as if by principle - on scientific grounds. Am I wrong in this?: If their claims were correct, wouldn't they have a lot more to publish about in the journals? Their arguments seem primarily focused on discussions in the blogsphere and media worlds rather than where the real scientific showdowns occur - in the periodicals. -
chris at 03:36 AM on 7 June 2010Abraham reply to Monckton
Monckton at 02:39 AM on 7 June, 2010 Mr. Monckton, it's obvious that the problem with your presentation is not the absence of academic references, although it is a common courtesy to properly source the data that one presents, for example on a Powerpoint slide. The problems relate to a generalised misrepresentation of the state of scientific knowledge on important issues of climate science. For example there is very limited grounds indeed, in current scientific understanding for asserting that the Medieval Warm Period was warmer (hemispherically or globally) than current temperatures. Rather the scientific evidence supports the opposite conclusion. To give a more specific example from your presentation, you show data from SP Huang et al (1997) as part of your discussion of past temperatures in which you assert that the MWP was warmer than now. However Huang has made it very clear in his subsequent work that his 1997 paper (not "Huang 1998" btw as in your presentation) has nothing to say about the relative temperatures during the MWP and now, since essentially all post-19th century data from the borehole datasets were omitted due to concern over non-climatic contaminations. This is very well documented, and an audience of whatever form shouldn't be presented with data that is a misrepresentation of the subject (in this specific case borehole analysis of paleotemperatures relative to contemporary temperatures). We all recognise that your presentations are not academic or scientific presentations. However one should still make an effort at a basic investigational rigour when addressing issues of science. Otherwise it's perfectly appropriate for very obvious and fundamental flaws to be highlighted by others. -
citizenschallenge at 03:28 AM on 7 June 2010Abraham reply to Monckton
In regard to Monckton’s long standing use of manipulated graphs may I direct your attention to a very interesting article in the Salt Lake Tribune dated 4-9-10 by Judy Fahys: “Debate on climate heats up online - BYU » Skeptic is no member of the House of Lords, prof says.” The story reviews a recent spat between Monckton, one Barry Bickmore and the Brigham Young University. Barry Bickmore went on to investigate Monckton’s graphs producing a paper that is available as a PDF titled “Monckton Mystery Solved” Barry Bickmore April 6, 2010 ~ ~ ~ ~ ~ ~ ~ From the conclusion: “Lord Monckton's famous graphs have been puzzling me--especially the strange graphs of atmospheric CO2 concentrations that he shows at his presentations. I already posted an article from Science that said (at the time of publication) the CO2 concentration in the atmosphere was a little above IPCC projections. However, Monckton's graphs showed CO2 concentrations below the IPCC projections. He claimed he was basing his data for the IPCC projections on the A2 emissions scenario. Well, at Lord Monckton's suggestion I found the published source of his graphs, Monckton's "CO2 Report" that he publishes for the SPPI. Here is a link to the article and the graphs in question clipped from it. “To summarize, Lord Monckton's treatment of CO2 projections is very strange. He simply makes up equations to describe the A2 emissions scenario, whose only real connection with reality is that they run through the proper endpoints in the year 2100. The exponential equations he makes up ALWAYS overpredict the actual A2 model input, except at the year 2100. Real CO2 concentrations reproduce the A2 model input very closely for the period 2002-2009, and the A2 model input is indistinguishable from a linear trend during this period. “But that's not all. Lord Monckton says that he fed his Fantasy CO2 projections into the IPCC's exponential equations for equilibrium temperature response to CO2 forcing to produce his famous temperature graphs, like the following. If that's true, then the temperature graph is worse than I thought! Not only is equilibrium temperature response improperly compared to the real, transient response, but the calculated equilibrium temperature responses are based on Monckton's Fantasy CO2 projections, which are ALWAYS too high in 2002-2009! “ ~ ~ ~ ~ ~ ~ ~ -
Berényi Péter at 03:27 AM on 7 June 2010Irregular Climate: a new climate podcast
Sorry, link to Ramanathan 2008 was mixed up. Here is the correct one: Nature Geoscience 1, 221 - 227 (2008) Published online: 23 March 2008 | doi:10.1038/ngeo156 Global and regional climate changes due to black carbon V. Ramanathan & G. Carmichael In addition there is a testimonial by Mr. Ramanathan to the House Committee on Oversight and Government Reform. Hearing on the role of black carbon as a factor in climate change Thursday, October 18, 2007 Rayburn House Office Building, Washington DC -
Philippe Chantreau at 03:21 AM on 7 June 2010Abraham reply to Monckton
I hope that Mr Monckton understands that if he uses the kind of language sampled by Riccardo in #13, or what he used to describe G. Monbiot, his posts here will likely be deleted. Everyone on this forum has to respect certain rules; efforts were made to enforce them recently, which has improveds the quality of the discussions, and this one should be no exception. I examined Dr. Abraham's posts again, I fail to see where there is a personal attack or ad hominem argument. Dr Abraham concentrates on Mr Monckton's actions and arguments, which is proper. -
John Russell at 03:16 AM on 7 June 2010Abraham reply to Monckton
The best thing about John Abraham's original post is that it so incensed Lord M that Monckton could not help but reveal his true colours. Any casual observer can see that Prof. Abrahams has remained focussed and civil at every stage of his carefully-researched criticism of Monckton's obfuscated science. In response C.Monckton appears so full of vitriol that he hardly mentions the science, so intent is he on his ad-hominem attack -- an attack in which, astonishingly and quite wrongly, he accuses Prof. Abrahams of the using the very same tactics he's using. It's jaw-dropping in its audacity. Truly, there's none so blind as those that will not see. -
Berényi Péter at 03:16 AM on 7 June 2010Irregular Climate: a new climate podcast
#50 chris at 01:06 AM on 6 June, 2010 Do you have the relevant cites? On soot this review article is available: Nature Geoscience 1, 221 - 227 (2008) Published online: 23 March 2008 | doi:10.1038/ngeo156 Global and regional climate changes due to black carbon V. Ramanathan & G. Carmichael BTW, some discussion of soot effects has already happened here. I've tried to recover the last 150 years of Kaufman's Arctic temperature history reconstruction from Fig 20 of the Copenhagen Diagnosis (ignore the red patch, please).
If we take it on face value, the reconstruction either has no merit whatsoever (including its earlier parts, e.g. MWP) or there was only some fluctuation but no significant warming in the Arctic during the last seventy years of 20th century. I don't know which one is worse for the credibility of current mainstream climate story.
Note that only 25% of 20th century logCO2 increase happened before 1950, therefore in theory warming in the second half should have been three times more. Provided, of course, warming is caused by carbon dioxide.
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Riccardo at 03:02 AM on 7 June 2010Abraham reply to Monckton
Apparently Monckton thinks that in the Universities good behaviour is required. I agree and I'd add that it is always required, including in journalism. So i think that Monckton should have contacted the authors of the many graphs he shows before using them to sell the opposite message. He should also avoid ad hominen attacks and the use of wording such as goebbelian propaganda, hitler youth and the like. Abraham has been formally (and scientifically) correct. Not Monckton, neither formally nor scientifically. -
Sean A at 03:01 AM on 7 June 2010Abraham reply to Monckton
Chris Monckton: in your reply, you attack John Abraham's character and credentials, and completely side-step the question of whether you have serially misrepresented the work of various scientists. Let's have a serious answer. -
Erin at 02:44 AM on 7 June 2010We're heading into an ice age
I am 17 years old and home schooled doing a project on climate change (trying to find all aspects for and against climate change and their effects) so i am not a scientist and do not understand everything that has been talked about on this page so bear with my questions please. How do we know that decreased insolation due to the larger projections of increased ppm CO2 in the atmosphere (i.e. GTon C) doesn't outweigh the resulting reduction of outgoing radiation thus causing global cooling? -
Monckton at 02:39 AM on 7 June 2010Abraham reply to Monckton
Mr. Abraham, and the president of his university, will shortly be receiving a long letter from me asking him a number of questions about his presentation, which appears to have fallen well below the standards of academic probity and honesty that would normally be thought acceptable in civilized society. Mr. Abraham here admits that he spent several months working on his presentation attacking me personally in the most venomous terms, and also complains that several of the slides that I showed to a lay audience did not have the full academic references on them. Why, then, did he not bother at any stage during his months of preparation to contact me simply to ask for the references? This is the first of many indications of bad faith on Mr. Abraham's part that I shall be drawing to the attention of the authorities at the Bible College where he lectures. The usual practice in academe is that anyone wishing to rebut another's work notifies that other of his intention and of the rebuttal, before it is published, to give that other the opportunity to prevent needless errors. That usual practice was not followed in the present instance. A video by me refuting all of Mr. Abraham's numerous false claims and outright mendacities will be available shortly. - Monckton of Brenchley -
JSFarmer at 02:39 AM on 7 June 2010It's the sun
Thanks for the link... It appears to confirm both the skeptics' argument and the science rebuttal. Is that correct? -
DrTom at 01:58 AM on 7 June 2010Abraham reply to Monckton
Aloha Dr. John. in your last paragraph "....presentation until my reply," The period is incorrectly typed with a comma making the word 'it' grammatically incorrect. I am not picking nits. Neither do I want Chris Monckton to be able to do so. Since he has no valid science, the only tactic available to him is ad-hominem. a hui hou T -
chris at 01:55 AM on 7 June 2010Abraham reply to Monckton
Passing Wind at 01:17 AM on 7 June, 2010 Either designation will do Passing Wind. An associate professor (in the US) is a tenured position arising from promotion from an assistant professorship following assessment by several criteria of excellence (publication record; grant income; teaching and administrative contributions to the department and wider community). Tenured academic scientists in teaching/research universities are designated "professor" rather generically. However it's normal in a formalised letterhead to specify one's status more specifically. -
DrTom at 01:51 AM on 7 June 2010Abraham reply to Monckton
Aloha Dr. John. Possibly this sentence is not fully developed: "I showed a number of slides which had no attribution." I believe you mean "I referenced a number of YOUR slides which had no attribution". I tend to read very literally and, from that lead-in, the paragraph was initially confusing to me. I may still be mis-reading it if my assumption is erroneous. a hui hou T -
Timothy Chase at 01:50 AM on 7 June 2010Abraham reply to Monckton
In case people are interested, here is the original presentation by Monckton at YouTube: Lord Christopher Monckton Speaking in St. Paul 2009 Oct 14 http://www.youtube.com/watch?v=stij8sUybx0 -
KeenOn350 at 01:26 AM on 7 June 2010Abraham reply to Monckton
Thank you John Abraham. Your excellent work seems to have struck a nerve, judging by Monckton's emotively loaded and factually empty response. This discourse seems to be getting some attention - hopefully it will open a few minds to reality! -
Passing Wind at 01:17 AM on 7 June 2010Abraham reply to Monckton
Would you kindly clarify if you are a professor, as you state in your presentation, or are an associate professor as you state above? -
ProfMandia at 01:14 AM on 7 June 2010Abraham reply to Monckton
Dr. Abraham, Thank you for your time and effort to expose Monckton. Alas, those that do not have interest in the truth are likely not to care. It is sad that those of us that are out there trying to "right the wrongs" are probably only convincing a very tiny fraction of the population - both sides are pretty well-entrenched. Scott A. Mandia, Professor of Physical Sciences Selden, NY Global Warming: Man or Myth? My Global Warming Blog Twitter: AGW_Prof "Global Warming Fact of the Day" Facebook Group -
Bern at 01:11 AM on 7 June 2010Abraham reply to Monckton
Oh, my... The funniest part of Monckton's reply was the paragraph condemning Dr Abraham for ad hominem attacks, followed shortly by a description of Monbiot (writing for a "Marxist" newspaper, no less!) as"a fourteenth-rate zoologist, so his specialization has even less to do with climate science than that of Abraham"
The point he made that really shocked me, though, was this one:"Monbiot made the mistake of pretending that he understood the fundamental equation of radiative transfer, of which he had plainly not previously heard. Here it was I who had the advantage: before writing the article in the Telegraph I had spent three months tracking the equation down"
Three seconds with Google took me to a Wikipedia page with the relevant equations writ large. Or is there another set of radiative heat transfer equations they didn't teach me about in my thermodynamics classes at uni? -
Mythago at 01:08 AM on 7 June 2010Abraham reply to Monckton
Well written John. Many thanks for taking the time and effort to sort it out. I am very glad as it enabled me to get my head around a number of the really glaring anomalies which most sceptics kept putting forward and I was always sure they were wrong. Now I have the right sources to quote from. Once again Many Thanks. -
nofreewind at 01:02 AM on 7 June 2010Is Pacific Decadal Oscillation the Smoking Gun?
Good blog, but go to Figure 3 and the caption Global Temperature Anomaly strike dead to the heart of AGW theory. Why is that temperature from 1900 an "anomaly". Why is the temperature of 1900, just out of the clutches of the Little Ice Age, the normal temperature for planet earth. Even a cursory study will show that there have even more dramatic changes in earths temperature during the past 1,000 years, and if we go back eons, then positively change is expected. http://en.wikipedia.org/wiki/Anomaly The word anomaly lies at the heart of the matter and is one of the reason that warmers can not be trusted. Figure 3 works real well on the public though! -
Riccardo at 00:17 AM on 7 June 2010On the Question of Diminishing Arctic Ice Extent
johnd, my link reported the error bars, if you didn't notice, and i added the error in the trend because usually it's what we're interested in. -
Ken Lambert at 23:19 PM on 6 June 2010Irregular Climate: a new climate podcast
DougB #53 ChrisC #58 I think that Doug is enshrining 'long agreed findings' and climate science in general as a 'robust monolithic narrative' when it is more like a collection of essays with a warming theme but large room for uncertainty in each of its parts. This blog is a somewhat self-select and self-correcting under John's guiding hand. Extreme and unsupported comments are either ignored by the better informed or given short schrift by the better informed. Several of the regular contributors have a strong knowledge of the theory and numbers; so the poorly equipped visitor tends to drop out quickly. I have studied many papers over the last 18 months or so and worked through the numbers and followed the arguments before I felt I knew enough to make a comment on these threads. -
johnd at 23:01 PM on 6 June 2010On the Question of Diminishing Arctic Ice Extent
Ned, I understand that even with GRACE the measurements are subject to errors or uncertainty in excess +/- 50%. If you think otherwise can you perhaps provide a technical reference. Riccardo, your link had nothing about the degree of uncertainty in the calculated values. The indicated trend has nothing to do with uncertainty of the measurements made to calculate the nominal value. The satellite that has been providing data until now is only able to measure sea ice freeboard to an accuracy of +/- 50mm. If the ice is 1 metre thick total, it has a freeboard of only 100mm, so the accuracy range is significant. That is only one part of where the error comes in. Problems with determining density then compound the error, and snow on the ice compounds it again. That was mentioned in that non-technical article I linked to earlier. The latest satellite recently launched supposedly can measure ice freeboard to an accuracy of +/- 10mm, but that still leaves the density and snow problems to overcome. -
Paul D at 22:49 PM on 6 June 2010Monckton Chronicles Part II – Here Comes the Sun?
On the issue of the Sun, I also find it bizarre that many people will accept with open arms that Mars is warming etc. because of solar activity. Yet the amount of instrumentation available to quantify the theory is tiny in comparison to the intrumentation we have monitoring the Earth. -
chris1204 at 21:30 PM on 6 June 2010Irregular Climate: a new climate podcast
Thank you Ned. ...unless global emissions peak and start to decline rapidly by 2020. There's the rub - how likely are global emissions to peak and decline by 2020? -
Riccardo at 21:29 PM on 6 June 2010On the Question of Diminishing Arctic Ice Extent
johnd, I don't know where did you take the figure of 60%. Eyeballing from here it looks more likely less than 20% on the thickness and i found it about 30% on the trend. Unfortunately we do not have accurate enough comprehensive thickness measurements of arctic sea ice. This is the reason why we still need to rely on ice extent/area or on models like PIOMAS. The strength of the latter is that it allows the reconstruction of past thickness and volume. In both cases the trend appears to be unambiguous.
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