Climate Science Glossary

Term Lookup

Enter a term in the search box to find its definition.

Settings

Use the controls in the far right panel to increase or decrease the number of terms automatically displayed (or to completely turn that feature off).

Term Lookup

Settings


All IPCC definitions taken from Climate Change 2007: The Physical Science Basis. Working Group I Contribution to the Fourth Assessment Report of the Intergovernmental Panel on Climate Change, Annex I, Glossary, pp. 941-954. Cambridge University Press.

Home Arguments Software Resources Comments The Consensus Project Translations About Support

Bluesky Facebook LinkedIn Mastodon MeWe

Twitter YouTube RSS Posts RSS Comments Email Subscribe


Climate's changed before
It's the sun
It's not bad
There is no consensus
It's cooling
Models are unreliable
Temp record is unreliable
Animals and plants can adapt
It hasn't warmed since 1998
Antarctica is gaining ice
View All Arguments...



Username
Password
New? Register here
Forgot your password?

Latest Posts

Archives

Recent Comments

Prev  636  637  638  639  640  641  642  643  644  645  646  647  648  649  650  651  Next

Comments 32151 to 32200:

  1. Stephen Baines at 03:38 AM on 8 January 2015
    Not pHraud but pHoolishness

    Slioch

    The problem is that, while your equations are right in terms of stoichiometry, presenting the overall equation that way gives the incorrect impression that that increasing CO2 will lead to increasing calcium carbonate production.  In fact the opposite will happen in the short term because increasing CO2 shifts the pH in a direction that shifts the H2CO3, HCO3, CO3 equlibrium away from CO3 and toward H2CO3. This will tend to make the conditions needed to form CaCO3 rarer in the ocean.

    Typically the reaction involving calcium carbonate formation it is considered separately from the reaction involving hydration of CO2 to H2CO3 because the equlibrium concentration of HCO3 and CO3 in the ocean is largely determined by the base cation concentration (the alkalinity) and pH, while the equilibrium CO2 concentration, on the other hand, is largely determined by temperature and atmospheric CO2 concentrations.  

    Together, these two reactions allow the calcium carbonate pool in the ocean to act as a buffer for pH in the very long run.  As CO2 rises, calcium carbonate dissolves, consuming protons and consuming CO2 in the process to make bicarbonate ions.  As base cation concentrations increase or CO2 decreases, calcium carbonate is formed, producing protons and CO2.

    Its a pair of reactions that are way too slow to keep up with changes due to anthropogenic emissions however.

  2. Five bits of research that shaped climate science in 2014

    wrt #4:

    Dr. Francis has a new paper out with more evidence of this trend.

    New metrics and evidence are presented that support a linkage between rapid Arctic warming, relative to Northern hemisphere mid-latitudes, and more frequent high-amplitude (wavy) jet-stream configurations that favor persistent weather patterns. We find robust relationships among seasonal and regional patterns of weaker poleward thickness gradients, weaker zonal upper-level winds, and a more meridional flow direction. These results suggest that as the Arctic continues to warm faster than elsewhere in response to rising greenhouse-gas concentrations, the frequency of extreme weather events caused by persistent jet-stream patterns will increase.

    iopscience.iop.org/1748-9326/10/1/014005

    So one more study to add to the series. How many more of these would it take for the "Maybe" at the end of #4 to fade away?

    (Thanks to Sigmetnow at neven's Arctic Sea Ice forum for this link and text.)

  3. One Planet Only Forever at 01:31 AM on 8 January 2015
    Things I thought were obvious!

    dklyer@64,

    I agree and have some things to add related to the erroneous results of the models of the likes of Milton Friedman. Often these people attempt to predict the future using an economic theory/model with a fundamantal presumption that the people making decisions, particularly the most powerful in leadership roles, would be highly averse to doing something that had a potential negative future consequence. That type of thinking would be the equivalent of a global climate theory/model that was based on human burning of fossil fuels not creating CO2 and that CO2 is not a greenhouse gas. The results of such models would never be accurate. And as long as those fundamentals of the theory/model do not change every attempt to 'add accuracy' will fail to produce meaningful helpful results.

    I recall that Alan Greenspan (past Chairman of the US Federal Reserve) essentially said 'he had no idea that powerful wealthy people would ever do anything that was potentially damaging' when the US Congress asked him about why he did not foresee the damaging consequences of reduced fiscal regulation that produced the 2008 global tragedy.

    The biggest global threat is the indifference many pursuers of profit, power and pleasure have regarding the helpfulness of their acions. Many such pursuers never try to be guided by a desire to help develop a sustainable better future for all life on this amazing planet (See footnote). That indifference to being helpful is a reality that is excluded from most economic models and is the reason the likes of Alan Greenspan fail to anticipate how wrong their 'leadership' is. Though indifference to being helpful is the major problem, the biggest trouble makers are the pursuers of personal power, profit and pleasuer who will deliberately do unhelpful or harmful things in pursuit of what they want. Any economic theory/model that fails to include the existence and potential for success of those type of people is destined to be wildly inaccurate.

    This brings me to the evaluation of cost-benefit regarding action on the issue of global warming and climate change. Even people claiming to want to be helpful fail to properly evaluate the cost-benefit of climate change action. The proper evaluation needs to be one that ensures all actions of a current generation produce a sustainable better future fopr all. Evaluations that compare the 'cost/benefit to some in the current generations' against 'cost/benefit to future generations' are fundamentally incorrectly evaluating the acceptability of action by a current generation. Even if a current generation was to determine that the 'costs - lost opportunity to benefit' they evaluated were a match for the 'costs' they evaluated a future generation would face it is unacceptable for a current generation to impose costs onto a future generation, no matter how much benefit the current generation gets. It would be acceptable for a current generation to personally expend their own effort and profit to fully avert future costs, but even that would only be a neutral position, not a helpful development. And that type of balance case is prone to erroneous evaluation by people in a current generaton who are inclined to overstate the costs to the current generation and understate what needs to be done to create the minimum acceptable result of current generation activity, a neutral future condition that is not negatively affected by what the current generation did.

    Foot Note - Fairly full disclosure. Referring to the recent reports of a climate change related encyclical being developed by Pope Francis, I am not Roman Catholic so I have not developed or acquired this attitude because of being aware of and adhering to the Roman Catholic position. I believe that there is a spiritual connecton between all life on this amazing planet. And I believe that the Old Testament (the Hebrew Bible) included some very good 'understandings' of how to live that needed to be updated (Leviticus chapters 11 through 15 provide advise about how to avoid food poisoning, how to deal with mold, and a few other helpful things that appear to be scientifically developed even though they are presented as 'rules from God'. And I consider Jesus to be a very wise person who provided important updates of the Old Testament. And I believe there are even more updates that are coming to be understood. Even though I do not believe in God and am an Engineer (and also have an MBA) my values appear to be very well aligned with the most progressive Christian and Muslim sects who are 'evolving their set of values rather than strictly adhering to interpretations of older documents'.

  4. Not pHraud but pHoolishness

    Sorry, I must have clicked the paste button twice. The three equations added together should have been:

    2CO2(g) + 2CO2(aq) + 2 H2O + Ca++ + 2HCO3- ==> 2CO2(aq) + 2HCO3- + 2H+  +  CaCO3(s) + CO2 + H2O

  5. Not pHraud but pHoolishness

    Thanks to the moderator for providing the links to the 'OA not OK' articles.

    There is nothing therein that contradicts my previous posts and, once again, the assertion that calcification is a source of CO2 rather than a sink is simply wrong.

    Tom Curtis (@18) has helpfully posted the relevant equation from OA not OK above, but, I'm sorry, Tom, you clearly do not understand what you are writing about.

    I posted the OVERALL equation (neither you nor I have shown the mechanism of the numerous reaction steps , nor is that necessary) with respect to the precipitation of solid calcium carbonate from an aqueous solution containing calcium ions (you will note that in in both of my previous posts on this subject I referred to an "overall" equation). The overall equation provides a summary of the overall changes in constituents in that process, and, as I have stated previously, indubitably shows that the process consumes CO2 (and reduces pH).

    The equation that you show, from the 'OA not OK' site, is an INTERMEDIATE equation from which, on its own, no conclusion can be drawn about OVERALL changes. (The 'OA not OK' site's assertion that calcification produces CO2 is simply wrong)

    Hopefully this should become clear from the following:

    The question is: "does the precipitation of solid calcium carbonate from a solution containing calcium ions a) cause an absorption of CO2 and b) cause a reduction in pH (ie an increase in hydrogen ions). The following shows that the answer to both questions is "YES".

    Your equation shows bicarbonate ions being consumed. What is the source of those bicarbonate ions? They come originally from gaseous CO2 dissolving in water. The intermediate steps are as follows: (note: I will write all these equations as 'one way' equations, though they are in fact equilibria, since I am considering the process leading to precipitation of the product CaCO3).

    Equ1.   2CO2(g)  ==>  2CO2(aq)

    That CO2(aq) then produces bicarbonate ions:

    Equ.2   2CO2(aq)  + 2 H2O  ==> 2HCO3-  +  2H+

    (I've doubled those equations since we need 2HCO3- below)

    If those bicarbonate (HCO3-) ions then react with calcium ions, then it as shown in the equation that you (and 'OA not OK') post:

    Equ3.  Ca++  +  2HCO3-  ==>  CaCO3(s)  +  CO2  +  H2O

    If we then ADD those three equations together, we get the overall equation:

    2CO2(g)  +  2CO2(aq) + 2 H2O  +  Ca++ + 2HCO3-   ==>  2CO2(aq)  +  2HCO3- + 2H+  +  2HCO3- + 2H+  +  CaCO3(s) + CO2 + H2O

    Cancelling leads to the overall equation:


    CO2(g)  +  H2O  +  Ca++   ==>  CaCO3(s)  + 2H+

    which is what I gave in the first place (@6) and which shows that CO2 is absorbed and hydrogen ions produced (lowering pH) in the process.

    I hope that is now clear.

    Moderator Response:

    [Rob P] - Calcification is a source of CO2  - as Doug Mackie has already pointed out. It seems a few people with chemistry backgrounds get this wrong, so you have plenty of company. There is a great deal of scientific literature on this. For example see the Royal Society Report on Ocean Acidification (2005):

    "The formation of CaCO3 leads to an increased CO2 concentration in the water. This apparently counterintuitive behaviour arises because two ions of bicarbonate (HCO3 – ) react with one ion of doubly charged calcium (Ca2+) to form one molecule of CaCO3, which leads to the release of one molecule of CO2. Some of this released CO2 is converted to bicarbonate by the buffering process, outlined above and in Annex 1. Under current conditions, for each molecule of CO2 produced during calcification about 0.6 molecules are released, potentially to the atmosphere, while the rest is taken up by the bicarbonate-carbonate buffer (Ware et al 1992)"

    And that would be this from the OA not OK series:

     

  6. Not pHraud but pHoolishness

    Slioch @17:

    1)  Rather than using the OA not OK button, which just leads to the results of a search, try Part 1 and Part 2 of the summary of the OA not OK series, following further links for the more detailed discussion.

    2)  From Part 1, we can link through to the first post of the series which shows the following equation:

    That shows calcification, as a reaction between Ca2+ and 2HCO3- is clearly a source of CO2 rather than a sink.  Part 1 of the series also contains the crucial advise that:

    "A basic principle is that chemical equations must be balanced. That is, they have the same number and types of atoms on both sides. Counting up we see on both the left and the right are 1 calcium (Ca), 2 hydrogen (H), 2 carbon (C), and 6 oxygen (O) atoms.

    However, not all balanced chemical equations are valid chemical equations. The trick of chemistry (Oh! there's that word again) is in knowing if a particular balanced equation is valid."

    Taking that advise, we can note that while you can write alternative equations that balance, that does not show that they are the preffered reaction (ie reaction spontaneiously occuring at the greatest rate) in given conditions.  If the reaction is biological mediated, the equilibrium constraints which you ignore become even more stringent in that biologically mediated reactions often have only one pathway.

    3)  From the summary of part 5, we also learn that:

    "Equations 7-9 describe reactions of the inorganic carbon in seawater. The balances between these equations mean 91% of carbon is in the form of bicarbonate (HCO3), 8% as carbonate (CO32–), and less than 1% is found as CO2 and H2CO3."

    That is, 91% of inorganic carbon is in the form found in equation 1, giving a strong reason why that is the preffered reaction and your equations show very slow subsidiary reactions if that.  That your equations require the simultaneious interaction of three molecules would further lower the rates unless there are reasonably stable intermediates (in which case please break the reactions apart to show the intermediate steps).

  7. Not pHraud but pHoolishness

    14. Doug Mackie

    Your 'OA not OK' button does not appear to work, so I have no idea to what equations you refer, but it is certainly not correct to state that "calcification" (if by that you mean the conversion of dissolved calcium ions to solid calcium carbonate) is a source of CO2. That is simply impossible.

    If you can post the equations to which you refer I can answer your query.

    Incidentally, there is an alternative (though equivalent, due to the H+  +  OH- <=> H2O equilibrium) overall equation for the production of solid calcium carbonate that may be written thus:

    Ca++  +  CO2  +  2OH-  ==>  Ca++CO3--  +  H2O

    This also, of course, shows the process to involve absorption of CO2 (ie it is a sink for CO2), which is indubitably the case.

    Moderator Response:

    [KC] The button links to a list of posts on ocean acidification, rather than the articles directly - that's not very intuitive. Doug was referring to the first four posts (ignoring the introduction) from the bottom of that list. Here are the direct links for you:

  8. Michael Whittemore at 20:59 PM on 7 January 2015
    A Relentless Rise in Global Sea Level

    Thank you for all the replys

  9. Michael Whittemore at 20:55 PM on 7 January 2015
    2015 SkS Weekly News Roundup #1A

    Thank you for the information. 

  10. Not pHraud but pHoolishness

    "These variables encompassed pH values more acid than those considered likely to be extant in 2100"

    Yes, I don't think this has been communicated particularly well by the scientific community.

    There is no point comparing say the upwelling region of the California Current system with the projected average global pH and saturation state in 2100 because local marine organisms may be periodically exposed to conditions exceeding those right now. What the experiment should be simulating are projected local future conditions. In some instances this may be equivalent to atmospheric concentrations exceeding 3000 ppm.

    Clearly there are serious limitations to lab experiments because marine life in the real ocean generally doesn't have ocean pH and carbonate saturation state suddenly ramped up to maximum volume. But on the other hand, exposing only adult populations, which are typically less vulnerable, isn't realistic either. That's where studies of naturally acidified marine environments are useful. With a few exceptions, most marine calcifiers typically don't fare too well.

  11. Not pHraud but pHoolishness

    Rob Painting I must have misunderstood the paper but I certainly got the impression that the authors had looked at the conditions to which the various species were exposed and at the variables in pH conditions to which these species were exposed. These variables encompassed pH values more acid than those considered likely to be extant in 2100. This is what the Scripps Institute of Oceanography said about the paper "In some of their study areas, they found that the decrease in seawater pH being caused by greenhouse gas emissions is still within the bounds of natural pH fluctuation. Some areas already experience daily acidity levels that scientists had expected would only be reached at the end of the 21st Century". In the example you give the area was one in which upwelling of colder more acidic sea water occurs. Perhaps this also had an impact. I'm not trying to blame Feely and Sabine for anything Wallace did or said although their attitude as reported doesn't seem particularly pleasant. Still I don't know what Wallace's attitude to them was like. They may have been hacked off with his approach.

  12. They changed the name from 'global warming' to 'climate change'

    I believe that some people also use "climate change" because they feel that "global warming" invites the misconception that warming would occur uniformly and univerversally around the world. I've also heard "global weirding" and "climate chaos," neither of which is entirely accurate either (since even unusual or catastrophic effects have their causes). I suppose any term can be open to misinterpretations, and we've just got to do our best to avoid or correct those.

  13. One Planet Only Forever at 15:18 PM on 7 January 2015
    2015 SkS Weekly Digest #1

    wili,

    Like you I am more curious about, and learning more about ENSO.

    The latest update on the Australian Bureau of Meteorology website indicates the current strength of the SOI and Nino 3.4 are not maintaining El Nino levels, but they are close. From the tabs on the webpage you can view a variety of information including the latest Nino region sea surface averages.

    Though the SOI and the Nino 3.4 are a little below the El Nino threshhold, both the SOI and Nino 3.4 are higher than they were during the months near the end of 2013. So there may be some new monthly record global averages in the early part of 2015.

    Also, the ENSO evaluation indicates that the various models they review indicate that there is potential for El Nino conditions to develop, but it is not likely that a strong El Nino event will develop.

  14. 2015 SkS Weekly Digest #1

    Ingvar.

    Deleted for accusations of fraud, repeating your previously debunked claims, sloganeering and off topic. You seem to either unable or unwilling to understand responses to you in the past.

    Please note that posting comments here at SkS is a privilege, not a right. This privilege can and will be rescinded if the posting individual continues to treat adherence to the Comments Policy as optional, rather than the mandatory condition of participating in this online forum.

    Moderating this site is a tiresome chore, particularly when commentators repeatedly submit offensive, off-topic posts or intentionally misleading comments and graphics or simply make things up. We really appreciate people's cooperation in abiding by the Comments Policy, which is largely responsible for the quality of this site.

    Finally, please understand that moderation policies are not open for discussion. If you find yourself incapable of abiding by these common set of rules that everyone else observes, then a change of venues is in the offing.

    Please take the time to review the policy and ensure future comments are in full compliance with it. Thanks for your understanding and compliance in this matter, as no further warnings shall be given.

  15. PhilippeChantreau at 14:36 PM on 7 January 2015
    Satellites show no warming in the troposphere

    8000 to 15000 meters does not really describe lower troposphere, in my understanding. It sounds more like the tropopause height.

  16. Satellites show no warming in the troposphere

    Thank you all so much for the feedback. A lot of great information. I particularly like the moving graphic on surface temperature.This is proving to be a VERY complex issue to get my head around. It has struck me that I may be comparing apples with oranges.

    The SkS graphic is specifically comparing Surface and Satellite temperatures. Three sets of data are being compared. 'Direct Surface Measurements' (Blue Line) and two sets of Satellite(?) data from UAH (Red Line) and RSS (Green Line). In respect to 'Surface Temperature' and I presume once certain adjustments are made they show a very close correlation.

    Surface and satellite temperatures

    My limited understanding is that if I take a temperature measurement at a ship on the Pacific Ocean (Surface Temperature) then fly up to the Lower Troposphere some 8 to 15 Klms above my position the Temperature measurement will be cooler.

    So can I compare Carl Mear's graph of Temperature Lower Troposphere with a graph based on Surface Temperature data?

  17. Not pHraud but pHoolishness

    slioch @6: Your eqn wrong. Calcification is a SOURCE not a sink for CO2.
    Better to use our eqns 1 and 4 from the OA not OK series. (Click 'OA not OK' button to left).

  18. Pope Francis plants a flag in the ground on climate change

    An Evangelical Christian view here from Professor Katherine Hayhoe, lately one of Time's "100 Most Influential People":

    Guernica Magazine talks with Katherine Hayhoe

    It’s a common perception that science and religion are mutually exclusive. But there are many scientists who would consider themselves to be spiritual people. Not only that, but in the case of climate change—a scientific issue with strong moral implications and difficult decisions to be made—it’s essential to connect the science to our values. And for many of us, our values come from our faith.

    A simlar view to that of the Pope - but the interview is well worth reading in full.

  19. Not pHraud but pHoolishness

    Trying to blame Wallaces' ignorance of rather basic science on Feely and Sabine is rather amusing though. 

    "From this it may be that ocean acidification may be less deleterious than currently believed"

    That's just wishful thinking. The near-collapse of the US North Pacific oyster fishery due to the die-off of larval oysters from too corrosive seawater highlights the rather obvious flaw in your reasoning.  And when we look at the geological record, many marine calcifiers went extinct in the past when the oceans acidified at rates much slower than present-day.

    The one of the greatest problems with most laboratory-based ocean acidification experiments is that they don't actually simulate conditions that marine organisms face throughout their lifecycle. That was the problem with the larval oysters - they are actually exposed to conditions much more corrosive than consideration of atmospheric CO2 alone would suggest, and their early lifestages are a time of great vulnerability to carbonate saturation state (corrsiveness of seawater).

    So quantification of actual conditions that marine organisms face is essential if one wants to accurately forecast how they might respond to ocean acidification. The Hofman paper is right about that.

  20. Not pHraud but pHoolishness

    This is why we have peer-review. The data is made available for the use of scientists with the appropriate domain-knowledge and expertise to be able to use it. This does of course also mean that amateurs with an agenda can use it. If Wallace had tried to publish however, expert reviewers would have immediately pointed out the issues to him. But then I doubt Wallace is really interested in ocean pH, only in ammunition to support a viewpoint based on political values.

  21. Satellites show no warming in the troposphere

    ginunn - Also note that CO2 is not the only driver of climate. Nobody with even a basic understanding of the science would argue for a simple monotonic linear increase in temperatures in the presence of multiple forcings and internal climate variation. 

  22. Not pHraud but pHoolishness

    william - Apart from the 'blaming the victim' issue of putting the onus of pseudo-skeptic misunderstanding on the scientists, Feely and Sabine did tell Wallace about the issues with data coverage; he apparently followed by impugning their science and motives. Not IMO honorable behavior on Wallaces part. 

    The data coverage issues of past ocean sampling are well known to those familiar with the science - hence there is little reason to repeat common knowledge in the field in every paper. 

  23. Not pHraud but pHoolishness

    Jim Eager @ 9 fair enough but dodgy or incomplete or not spatially or temporally homogeneous or whatever, I am surprised Feely and Sabine made no reference to these data even if only to explain why they chose not to use them.  I think they should have done and had they done so, none of this would have eventuated thus denying sceptical blogs another so called "example of sharp practice" with which to regale their readers.

    And as an aside, a more recent paper published in PLoS One in 2011 using direct measurements of ocean pH, has shown marine species that are regularly  exposed to much greater changes in pH than those forecast for the future and that some species currently are exposed to pH levels more acidic than those forecast for 2100 (http://tinyurl.com/6t9fjly}  The paper is also summarised at https://scripps.ucsd.edu/news/1875  From this it may be that ocean acidification may be less deleterious than currently believed.

  24. Not pHraud but pHoolishness

    William, try reading for comprehension: the older data are not dodgy, the data are simply incomplete, plus dissolved CO2 concentration is not spacially or temporaly homogeneous. Not taking those facts into account is what is dodgy.

  25. Satellites show no warming in the troposphere

    ginunn:

    Regarding your second comment, in point of fact temperature increase is linear with logarithmically increasing CO2: climate sensitivity, you may recall, measures global mean surface temperature increase per doubling of atmospheric concentration of CO2.

  26. Not pHraud but pHoolishness

    William:
    The CO2 data for the oceans are not unreliable, just very incomplete. NOAA put them out because they are valid measurements. The measurements have been made well at least since the 60's and probably longer. The problem is that there is an attempt to create a global record by simple averaging of available data--this is not a smart way to go about producing an average where pH can vary by large amounts depending on the strength of upwelling. I


    I guess I get irritated with people that are opposed to funding the monitoring effort but then claim that we cannot determine the trend. If one thinks that there is no trend, there should be more funding to show that, not less. Since 2000, funding for environmental science at the US National Science Foundation for environmental science has dropped by about 20%.

  27. Satellites show no warming in the troposphere

    The lines drawn on the graph exclude initial data that would appear to produce a flatter interpretation. The second point is that if you are arguing for a linear increase, it suggests a problem trying to correlate against CO2 increase which is non linear.

  28. Not pHraud but pHoolishness

    Hmm. Does this mean that the deniers are moving away from their inaccurate claims about temperatures and over to other topics. Wonder why.

  29. PhilippeChantreau at 19:47 PM on 6 January 2015
    Things I thought were obvious!

    Tom Curtis @ 60. My comment about the exanding Earth theory was tongue in cheek. Don't be too literal. My "phew" of relief should have indicated that much. Nonetheless, it is telling that Casey appears to treat said "theory" as worthy of rational exmination and comes to the well thought out conclusion that it is not well supported, as if the alternative had any chance to ever contend. In fact, his tone about the subject suggests that the jury could possibly be out again, some day. Open minded doesn't mean fill your mind with garbage. Casey tries hard to give the appearance of being open minded.

  30. Not pHraud but pHoolishness

    3. Rob Honeycutt

    Perhaps Wallace has been fooled by the sort of nonsense that Tom Segalstad writes here:

    https://docs.google.com/file/d/0B74u5vgGLaWoM0FaOUxrZ21FSmM/edit?pli=1

    where he claims that, ""the upper 200m of ocean water contains enough dissolved calcium to bind all anthropogenic CO2 as precipitated calcium carbonate ... without effecting the ocean's pH" (p.818)

    Segalstad is wrong.

    The overall equation for the reaction of CO2 with calcium ions to produce solid calcium carbonate is as follows:

    CO2  + Ca++(aq) + H2O ==> Ca++Co3--(s) + 2H+(aq)

    The reaction produces hydrogen ions (2H+aq). You CANNOT precipitate solid calcium carbonate by combining aqueous CO2 and calcium ions WITHOUT at the same time producing hydrogen ions, and thereby reducing pH. (Of course, the H+(aq)  +  OH-(aq) <==> H2O ( K = c.10^-14 ) equilibrium is simultaneously maintained, but there is still an overall increase in hydrogen ion concentration)

  31. Not pHraud but pHoolishness

    Nice try, but NOAA isn't culpable for Mike Wallaces' ignorance. 

  32. Satellites show no warming in the troposphere

    Rob - the plot is indeed of the lower troposphere, and it was created by Carl Mears. See here. So it is genuine.

    Some of the issues are that:

    1. The CMIP5 collection of climate model simulations use observations up to 2005 and projected forcings thereafter.

    2. Recent observations indicate that the greenhouse gas forcing in the 21st century was smaller mainly due to increased light-blocking volcanic sulfates and a weaker-than-expected solar cycle.

    3. Climate models cannot accurately predict the timing of natural variation, especially the multidecadal variation associated with the warm and cool phases of the Interdecadal Pacific Oscillation (IPO). The IPO has been negative (cool surface temps) since 1999/2000 even though the ocean has been soaking up heat. The strong warming of the subsurface ocean is a testament to this.

    So the issues are the same as surface temperature observation versus naive projections of the near-future forcings. When these are accounted for, the climate models are seen to be doing a very good job of simulating recent surface temperatures  - within their obvious limitations.

      

    Clearly RSS has some additional problems, as UAH and the surface temperature data sets are broadly in agreement, even though they are not measuring the same thing (radiative brightness of oxygen in the lower atmosphere vs surface temperature measured by thermometers).

  33. Not pHraud but pHoolishness

    If the data are so dodgy why did NOAA put them on its website without warning  that the data were unreliable?  

  34. One Planet Only Forever at 15:56 PM on 6 January 2015
    Things I thought were obvious!

    Cocoa Jackson@65,

    Noam Chomsky also provides many throughly detailed cases of wealthy powerful people deliberately doing unacceptable things to become even wealthier and more powerful. But reading Noam's published work is definitely tougher than reading Naomi's.

    And reflecting more on this issue, I would propose that the term 'developed' is an inaccurate or inappropriate term for societies and economies. Thinking back to the SkS article presenting the case that Climate Disruption is a more descriptive term than Cimate Change because it highlights that something disruptive is occurring, not just the ever changing climate, prompts me to consider using the term 'Advanced' as the proper way of evaluating a society or economy. And a more advanced society or economy would be more sustainable including having developed sustainable more improved circumstances for the least fortunate.

    That fits with the accurate suggestions that the least developed nations could be most rapidly 'advanced' by adopting sustainable actions rather than transitioning to them through the damaging unsustainable development that the 'developed' societies and economies seem to be stuck in. And those 'developed' societies are stuck because once an unsustainable or damaging activity becomes popular it will be profitable and that combination makes it an anchor against 'advancement' of the society or economy.

    If China can actually snap out of fossil fuel addiction soon enough, before it has become too popular or profitable to fight against changing, they could easily leap-frog past the 'developed' nations.

    The sad part is that there have been many amazing 'advancements' created within the developed economies that were stifled rather than being encouraged to grow into the better future that could have been developed. And sadder is that some people may point to something impressive that was developed as proof of the 'advancement' of the society without admitting that as amazing as the development was it failed to be popular because less amazing things that were actually very damaging and ultimately unsustainable were able to continue to be more profitable.

  35. Satellites show no warming in the troposphere

    MEJ...  For one, the 33 models in the upper panel are not (to my knowledge) models of TLT. The heavy black line is, the blue-green lines are modeled surface temps.

    Next, Dr. Mears does a fine job of answering your questions in the article you linked to.

  36. Not pHraud but pHoolishness

    I'm curious how Wallace proposes that atmospheric concentrations of CO2 have been rising and yet ocean is not becoming more acidic.

  37. Satellites show no warming in the troposphere

    Hi

    I hope I can get some help understanding the conflict in RSS TLT data.

    The satellite data from RSS seems to fall well below all 33 IPCC data models for Temperature Lower Troposphere (TLT). As can be observed below. The thick Black line is the averaged RSS satellite data and the light blue lines are the 33 IPCC (TLT) models.

    RSS Data Graph

    I understand SKS has the Troposphere graph but I would expect the RSS Green line to be well under the Direct Measurement models. As is shown in the RSS website graph above.

    SKS representation of RSS data

    The actual response from RSS doesn't seem to nail the exact problem of the lack of correlation.

    RSS report on data discrepency


    Any assistance would be greatly appreciated.

  38. Things I thought were obvious!

    The Japan Meteorological Agency has officially called it:

    2014 was by far the hottest year in more than 120 years of record-keeping.

    http://ds.data.jma.go.jp/tcc/tcc/products/gwp/temp/ann_wld.html

    The "pause" is dead. Long live the "pause.

  39. Not pHraud but pHoolishness

    This nonsense by Wallace reminds me of the CO2 rubbish of Ernst Beck. I suspect that Wallace will follow Beck and publish in E & E.

  40. Not pHraud but pHoolishness

    Even without knowing the means whereby "20th Century Ocean pH" was derived, Wallace's graph immediately raises concern in that the pH values he gives vary widely on an annual basis before about 1975, whereas thereafter that variation is small. This is reminiscent of claims of large variability of global atmospheric CO2 prior to 1959, for example by Beck.In both cases, the huge changes in concentration claimed from one year to the next without any plausible mechanism to cause them should immediately suggest the falseness of the reported data.

  41. Things I thought were obvious!

    William[34] wrote: '...[undeveloped]...countries argue that they should not be expected to forgo fossil fuel exploitation, which is what the...[developed economies]...asks of them, as the development of the West was largely facilitated by the burning of fossil fuels.'
    That perspective is interesting and understandable.

    Which raises the obvious question: Where did anyone read or hear emerging economies demand carbon based fuel explotation?

    From this perspective this has been a strategy used by reactionary thinkers to maintain the status quo, what is reality in the recent past and currently is a completely different scenario however.

    Multiantional corporations headquartered in developed nations are the ones who wish to expoit these countries and are the ecosystems greatest threat. As they have a history of using local nepotism and corruption of poor public policy due to undeveloped govenace to gain commercial dominace of the carbon energy resources.
    It is true undeveloped economies may in the some projected future demand our energy intensive goods and increasingly luxurious lifestyle. And to explot vast resources of fossil fuel. But largely they are happy to get lights, energy for cooking, and the ability to pump clean healthy water. The real world scenario is undeveloped countries have a take up rate of innovative alternative technology that is running at enviable rate.

    Where there are individual solar power units on homes, businesses are even creating local small grids and other clean alternative energy sources for power production. They are in the position of being ahead of the developed nations with the clean technology ratio when directly compared to the developed economies.

    Our challenge in developed economies is those same using the same corporate culture to lobby against individual power units in local small to large business, homes, schools, and social capital services; creating micro grids for small groups, towns and suburbs. Because the economic leverage of energy monopolies would suffer a poor return on efficiencies due to atrophy in their consumer base and subsequent hit to their yearly profit. While enabling individuals and small business with cheap clean energy.

    Realistically undeveloped countries have a distinct and increasing advantage over the developed countries who are still chained to the carbon economy. Left on their own the undeveloped countries will continue to seek current technology that is flexible and affordable. As most importantly clean solar power units to give them cheap power for lights, energy for cooking and pumping clean water. Not only that but the exponential growth in cheap alternative energy in these countries will continue to challenge developed economies for goods production. Most noticeably when sophistication in systems develops even further with automation.
    In all probability the emerging undeveloped economies will be even more competitive and then their alternative energy technology uptake rate compared to developed nations will really be seen as clever.

    Our best chance is modelling alternative clean and cheap energy sources, setting a better example toward a dominant alternative energy ratio. While at the same time encouraging international regulation of multinational corporations and the partners with the rule of law to put our ecosystem before ROI or yearly profit.

    What are the probabilities this will happen though?

    My guess for what it's worth is:

    The probabilities are the same as carbon energy corporations not attacking the scientific consensus on acidification and warming of oceans.
    ...

     

  42. Things I thought were obvious!

    That science denial goes along with other hot-button conservative issues seems pretty obvious. I think to those individuals all educated people are pencil neck geeks or effete, intellectual snobs. They hold to the western myth that the book educated feller is pretty worthless around the ranch. Their world view effectively isolates them from any logical argument. We shouldn’t have to concern ourselves with them except they vote.

    The anti-science tone of conservative platforms grew out of an organized campaign to push back against environmental regulations. This started with a group called Sage Brush Rebellion that was embraced by Reagan. Reagan’s in-your-face attitude toward the EPA and the environment didn’t go over well. The anti-environmentalists had to be more subtle. Sage Brush Rebellion became Wise Use. The movement got a huge boost when they were joined by the Christian right. Pat Robertson decided that environmentalists were a greater threat than communists. Eventually we got Gingrich, DeLay, Bush and an industry policy of subverting the EPA from within. No EPA actions were brought against any industrial polluter during Bush’s administration. See Robert Kennedy Jr’s book “Crimes Against Nature”.

    Cocoa J, there has indeed been an organized attempt to cast doubt on science since the tobacco/cancer thing. It went beyond lobbyists. There is a core group of scientists who used money from Phillip Morris to found a conservative organization dedicated to disputing the science. I have not read “Merchants of Doubt” but I may have to buy a copy and donate it to the local library. The scientists involved don’t see themselves as evil. Two were physicists and one a soil scientist. They are very conservative and consider government regulation as evil. They had a playbook of how to sow doubt and a list of scientists who would take money to say just about anything. The original reason for this was a fear of personal injury suits against tobacco companies. Once the pieces were in place, they were used to claim acid rain was natural, CFC’s were not causing the ozone hole and DDT was harmless (as Tom DeLay said, safer than table salt). These are the same individuals now responsible for most of the denial propaganda and their techniques include pretty vile personal attacks against sincere researchers and journalists.

    So now to the main point of this comment---ubrew’s mention of a free market, anti-tax faith. I think that is more germane to the other posts than has been discussed. There is a movement advocating an extreme form of laissez-faire capitalism as envisioned by Milton Friedman. The precepts of this are no government regulation, whatsoever, no taxes on corporations, no public service sector, privatization of all public held property, no restrictions on open markets and no wage protections. Friedman’s Chicago school of economics ran computer simulations showing that an extreme form of pure capitalism would solve all the world’s problems including unemployment. Their simulations were a bit naïve to say the least.

    After military coups had opened up markets in Brazil and Indonesia, the Chicago school trained Chilean economists and attempted to reverse the leftward movement of Chile. At the time western industrialists were concerned about a tendency of South American countries to nationalize industries such as the Chilean copper mines. Getting a democratic country to voluntarily adopt their extreme form of capitalism turned out to not be practical so the Chicago boys in Chile worked with Pinochet and developed an economic plan to be implemented after a military coup. The economic plan was an abysmal failure. Friedman, in correspondence and personal visits, told Pinochet to keep pushing and that the system would work but it hadn’t been taken far enough. The result, of course, was high unemployment, half of the population pushed below the poverty line and tremendous wealth for a few at the very top. This was followed by similar free market experiments, following military coups, in Argentina and Uruguay. They had the same effect.

    We have now seen the failure of extreme free market ideals in Poland and Russia and seen an example of extreme capitalism in the world’s biggest authoritarian regime---China. As the global market is increasingly controlled by an extreme free market ideology, it becomes apparent that the success of the system is measured by healthy corporate profits and a robust stock market and not by the well being of populations or the health of the planet.

    I have not begun to read my copy of Naomi Klein’s “This Changes Everything” (the stuff about Friedman and the Southern Cone policies are from her book “Shock Doctrine”) but I believe her point is that climate change is a game changer. The corporations who have thought they won the battle for a global free market realize that addressing the issue of warming will require government regulation. We won’t fix the problem with a global system of dictatorship by wealthy corporations. I wouldn’t be surprised to find out the corporate mentality views the coming disruptions as economic opportunities.

    I think we will have to have a paradigm shift to a completely new type of economics that does not depend on ever expanding markets. Even reasonable Keynesian economics, applied country by country with international rules guaranteeing similar environmental and worker protections for all countries, probably won't work over the long haul. It would be a good place to start, however.

  43. Sea level rise is exaggerated

    Earthling - Long term observations show continuing acceleration of SLR, with shorter term (including multidecadal) variation superimposed. For example, IPCC AR5 Chapter 13, which states from observations:

    When a 60-year oscillation is modelled along with an acceleration term, the estimated acceleration in GMSL (twice the quadratic term) computed over 1900–2010 ranges from 0.000 [–0.002 to 0.002] mm yr–2 in the Ray and Douglas (2011) record, to 0.013 [0.007 to 0.019] mm yr–2 in the Jevrejeva et al. (2008) record, and 0.012 [0.009 to 0.015] mm yr–2 in the Church and White (2011) record. For comparison, Church and White (2011) estimated the acceleration term to be 0.009 [0.004 to 0.014] mm yr–2 over the 1880–2009 time span when the 60-year cycle is not considered.

    Even with variations the current rise rate is considerably higher than the numbers you posted:

    CU Sea Level Research Group

    [Source]

    You seem to be emphasizing (or selecting) short term variations over longer term trends. That's of little use over longer periods, as variations will regress to the mean trend. And I'm still seeing no support for your "sensible adjustments".

  44. Sea level rise is exaggerated

    (DB) & KR - The meaning of sensible adjustments should be obvious, especially as SLR has slowed to around 2.54 mm/yr, as opposed to "accelerating."

    ARGO + GRACE finds sea levels rising at 2.31 mm/yr.

    Even the up adjusted from 1.59 mm/yr ENVISO rate is 2.96 mm/yr.

  45. Things I thought were obvious!

    JH inline at 59.  What makes science trustworthy is not that individual scientists have uncommon sense.  Rather it is that it relies on a method in which puts claims to a rigorous test both by requiring that the be submitted before people who are very well informed on the topic for criticism (thus ensuring simple gaffes are quickly noticed and corrected) and by making empirical data the standard against which theories must be tested.  Individual scientists need not have uncommon sense at all.  Newton, for example, although brilliant enough to present us with the laws of motion and gravity, had his gaffes (acceptance of alchemy) weeded out so that the former survive while the latter is scarcely known and not acted on.

    One common feature of gac73's "common sense science" is that its practitioners put their views before the general public (who lack the specialist knowledge to detect gaffes) in preference to publishing in the peer reviewed literature.  The reason is that they do not want critical review of their ideas, probably because they realize at least subconsiously that it will not stand up to such review.

    Moderator Response:

    [JH] My comment was meant to be tongue-in-cheek. Your response is spot on.

  46. Things I thought were obvious!

    gac73 - why would accept as true the ramblings from a utterly wrong source rather than from peer-reviewed science? You are trying to make a case by claiming things that are not true. That you chose to belief such nonsense without any apparent skepticism is fairly concerning. Science is about being informed by data not by values. Being highly skeptical about peer-reviewed science which sits uncomfortably with your preferences while being unskeptical about nonsense which conforms to your desires is just pseudo-skepticism.

    Think like a scientist - what data/observations would change your mind? 

  47. Things I thought were obvious!

    I have responded to gac73's claims about CO2 at a more appropriate location.  The short skinny is that his source misrepresents the units of data, presenting emissions during singular eruption events as ongoing emissions, and argues that volcanic CO2 can account for the reduced C13 in the atmosphere because volcanoes are depleted in C13 relative to the reference standard, even though they are typically enriched in C13 relative to the atmosphere.

    What I want to note is that a common pattern is emerging in gac73's examples of "common sense science".  The common feature is that "common sense scientists" leave out, or misrepresent inconvenient data.  At least, that has been the case in every example he has presented to date.  Given this, my distrust of "common sense science" seems well based.  It is merely a name pseudoscientists give to their activities as a means of persuasive definition.

  48. Climate Change Cluedo: Anthropogenic CO2

    Elsewhere gac73 has linked to some pseudoscientific drivel as an example of "common sense" science.  An example of the author (Timothy Casey) of the drivel style is shown by his table of emmissions per annum from various volcanoes.  Unfortunately for him, one of his sources (Shinohara, 2008) is available free online.  Consulting that work we find that Shinohara lists total emissions for an erruption event, not emissions per annum (see table 3, and discussion in text).  While erruptions typically take less than a year to occur, they do not represent ongoing emissions and presenting them as such distorts his source.

    One further misrepresentation (among a host) is Casey's is in his discussion of C13 where he suggests volcanic CO2 could account for the the modern rise in CO2.  In fact, volcanic CO2 is C13 depleted relative to the Vienna Pee Dee Belemnite Standard having a d13C of -4 in most cases, but up to -12 at convergent plate boundaries.  For comparison, fossil fuels have a d13C of -27, and the atmosphere has a d13C of -8.  That is right.  The atmosphere is C13 depleted relative to the standard, and the vast majority of volcanoes are not depleted relative to the atmosphere, ie, volcanic eruptions typically enrich the atmosphere with C13.  Casey creates the opposite impression by only noting the C13 depletion relative to the standard reference case, but leaving that technical detail unclear.

    (Sources of data for the C13 discussion are noted at my Notes for the OP here, found on my blog.)

  49. Things I thought were obvious!

    PhillipeChantreau @57, Casey's interest in "Expanding Earth Theory" is to refute it, which his hardly discreditable.  If we accept rebuting nonsense is a reason to dismiss peoples views, then we are self condemned.

    Having said that, Casey has stunningly "shown" that there is no greenhouse effect, and what is more, no need to supose one by.  The former he manages by completely misrepresenting the science of thermodynamics, and the later by first assuming that the Earth has no albedo and then proposing the novel theory that radiative temperature balances are achieved with the "at the centre of heat capacity" rather than the temperature of the source of the outgoing radiation (as is actually required by thermodynamics).  That firmly places him into flat Earth society level kookiness, even if his views on CO2 did not.

  50. Things I thought were obvious!

    Common sense is why critical thinking exists as a concept.  Critical thinking is the act of systematically testing common sense.

    In this case, anyone who brings up 'common sense' is doing so in error. The key word here is 'common': most people don't know enough about the composition or mechanics of the atmosphere to develop common sense.  The common sense approach to climate is "it's cold outside; therefore, global warming is wrong."

    Any sort of actual critical thinking on volcanic emissions needs to reconcile the following.

    1. human emissions exceed volcanic emissions by between 30x and 100x.

    2. Atmospheric CO2 has been stable around 280ppm for the last several thousand years.

    3. Atmospheric CO2 has bounced between 180ppm and 300ppm for the last several hundred thousand years.

    4. Atmospheric CO2 hasn't risen at the current rate of increase in at least 300 million years.

    5. Parallel increases in other volcanic gases have not occurred.

    6. The trend in atmospheric C isotope ratio parallels the increase in human emissions.

    Guessing the behavior of extremely complex, highly-integrated systems by using simple heuristics is a sure method for being wrong.  

    Moderator Response:

    [JH] Perhaps we rely on experts such as climate scientists because they have "uncommon sense." I certainly do that with my personal Physician.

Prev  636  637  638  639  640  641  642  643  644  645  646  647  648  649  650  651  Next



The Consensus Project Website

THE ESCALATOR

(free to republish)


© Copyright 2024 John Cook
Home | Translations | About Us | Privacy | Contact Us