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Draft of IPCC 2013 Report Already Circulating

First time accepted submitter iggymanz writes "More precise modeling has changed some long term climate predictions: sea levels to rise almost a meter more than present over the next century, but past dire warnings of stronger storms or more frequent droughts won't pan out. Instead there will be less strong storms, but peak winds in the tropics might be slightly higher. Temperature rise of global average will be about 3 degree C total, including the 1 degree C rise over the 20th century. In places where precipitation is frequent, it will become even more frequent; in arid areas, the tendency will be to become even drier. Some new arid areas are expected to appear in the south of N. America, South Africa and Mediterranean countries. Overall, hardly a doomsday scenario."

42 of 306 comments (clear)

  1. Alien Civilizations by arisvega · · Score: 3, Interesting

    Now that the number of planets around stars in this galaxy alone is in the ballpark of several billions, one starts to think that the reason for no apparent alien civilizations similar to this one is because they boil themselves out .. they simply raise the temperature of their own place before they are able to either counter the effect, or before they are tech savvy enough to colonize someplace else: they either boil, starve, or poison themselves.

    If this projection is correct, and the effect grows at an exponential rate, it will be 1 degree for the last century, (order of) 3 for the next, 9 for the one after that, and then it is either super-tech or extinction.

    Careful now, humans.

    --
    The three laws of thermodynamics:(1) You can't win. (2) You can't break even. (3) You can't even quit.
    1. Re:Alien Civilizations by CRCulver · · Score: 3, Interesting

      Now that the number of planets around stars in this galaxy alone is in the ballpark of several billions, one starts to think that the reason for no apparent alien civilizations similar to this one is because they boil themselves out .. they simply raise the temperature of their own place before they are able to either counter the effect, or before they are tech savvy enough to colonize someplace else.

      This idea has been around for a few decades now. In Larry Niven's Ringworld , the alien race the Puppeteers had moved their homeworld further away from their sun some centuries before the start of the novel, in order to avoid the death by heat that Niven felt would accompany technological development.

    2. Re:Alien Civilizations by vlm · · Score: 3, Insightful

      they either boil, starve, or poison themselves.

      I'd put money on primary energy. Base your whole culture and economy on petrochemicals, use them up, then ? There could be a trillion "successful" civilizations out there right now living a vaguely ancient/medieval lifestyle, with legends of having billions of people burning hundreds of millions of barrels of oil in their distant past, but today its a couple million peasants with wax candles and ox power.

      Its a depressing anti-fission anti-fusion anecdote... if any other culture in the universe could have harnessed fission or fusion effectively, we'd currently be a province of their galactic star empire, or at least we'd have detected them by now. Since that seems not to be the case, I'm not overly optimistic about our odds with those energy sources. So when the oil and coal is burned up, that's it. Back to 1700 at best.

      --
      "Science flies us to the moon. Religion flies us into buildings." - Victor Stenger
    3. Re:Alien Civilizations by O('_')O_Bush · · Score: 3, Insightful

      For all we know we are a province of their empire. Being conquered doesn't mean you are entitled to knowing about it if your technological advancement is so low that you can't participate in the greater galaxy...

      --
      while(1) attack(People.Sandy);
    4. Re:Alien Civilizations by O('_')O_Bush · · Score: 3, Insightful

      We have been polluting heavily for a hundred years or so, but we are already able to counter the effect of global warming (look at all the schemes for changing climate, from space mirrors to simulated volcanic eruptions, to painting a small part of the earth white). The biggest obstacles are willpower for funding and lack of need/urgency.

      --
      while(1) attack(People.Sandy);
    5. Re:Alien Civilizations by vlm · · Score: 3, Insightful

      Participate does not equal see. The natives saw the guys with muskets and cannons and giant wooden ships, even if they couldn't get involved in court politics or academic research back home.

      Another interesting sci fi book plot or whatever is more than one group of savages (aka us, interpret us as pronoun or united states as you wish) might exist. Sure the neo-roman empire ignores and laughs at us savages as a group, but there should be other just slightly more civilized planets, yet still savages compared to the overlords, doing all kinds of stuff we'd notice, like tossing radioactive waste into their sun screwing up the stellar spectrum, or broadcasting RF all over the place, or doing strange things with neutrinos and graviton sources, or extensive civil engineering with H-bombs, or terraforming other planets in their solar system, or attempting to build a dyson sphere, or fill their upper atmosphere with fluorocarbons, all stuff we'd see other savages doing even if the overlords ignored all of us savages as a group, which is interesting.

      I've read Kraus et al about interstellar radio detection, I wonder if anyone out there has run similar numbers for pulsed neutrino generation and detection. I don't care quite enough to shovel thru arxiv for hours, but if some /.er has a useful lead to speed the search? That would make an interesting SETI technique with a built in "you must be this tall" sign to keep the rabble out, apparently EM radiation isn't nearly sufficient. "You must build a cryogenic 100 KM gravitation wave detector to participate in the intergalactic interspecies internet" or "You must be able to generate, control, and detect a neutrino flux equivalent to a major particle accelerator with a 10 amp beam current to participate in the interstellar interspecies internet"

      --
      "Science flies us to the moon. Religion flies us into buildings." - Victor Stenger
    6. Re:Alien Civilizations by semi-extrinsic · · Score: 3, Insightful

      An interesting counter-argument is that we could, by chance, be one of the first civilizations to achieve the technological level we are currently at. Given what we know (or think we know) about the history of star formation in the universe, e.g. that the early stars going nova are the primary source of heavier elements (required for fission, hell, even for semiconductors), this is not unreasonable.

      --
      for i in `facebook friends "=bday" 2>/dev/null | cut -d " " -f 3-`; do facebook wallpost $i "Happy birthday!"; done
    7. Re:Alien Civilizations by Charliemopps · · Score: 3, Insightful

      Those books were garbage and I'm ashamed to have read them. Someone told me they were hard scifi... but instead it was a furry anime style series of bad science. All of his books, in fact, are pretty much garbage.

  2. On the whole by Trisha-Beth · · Score: 5, Interesting

    I'd rather have more accurate models than more precise models.

    Bad models don't get any better by adding decimal places.

    I expect that accurate modelling of something as complex as climate is really, really hard.

    1. Re:On the whole by tolkienfan · · Score: 3, Insightful

      I'm pretty sure they mean more accurate. Many people incorrectly use "precise" and "accurate" interchangeably.
      The article mentions using faster computers. Anyone who's done modelling knows that you can do more steps in the same amount of time, resulting in increased accuracy. They also mention better modelling.

    2. Re:On the whole by Giant+Electronic+Bra · · Score: 5, Insightful

      This is a deep misunderstanding of complex non-linear dynamic systems. You may not be able to say what the PRECISE state of the system will be, as in exactly when it will rain for the weather, or which region will have exactly what rainfall for climate, but you CAN quite confidently map the basins of the various attractors and understand the ensemble state of the system. In other words you don't have to know the precise climate in every little region to know the overall climate. This is ESPECIALLY true of the climate because there is a phase space that represents the possible states. In other words the laws of physics basically govern the overall climate, if one area turns out a bit drier than you predicted then another one has to be a bit wetter because the rain has to fall SOMEWHERE. Excess heat in the system has to go somewhere, and eventually it has to drive increased evaporation, increased temperatures, etc. This stuff is just constrained by basic physical laws. The only real arguments at this point are about ACTUAL regional conditions and details like whether or not the extra rainfall in an area will fall in big storms or more small storms for instance. It is very true that models will not precisely predict these things. It may be impossible to do so, but that doesn't make the models useless at all.

      --
      "Malo periculosam, libertatem quam quietam servitutem." -- Jefferson
  3. Re:I still don't get it... by Joce640k · · Score: 4, Funny

    How did real estate in Florida ever get so overpriced in the run up to 2008, if anyone out there is taking rising sea levels seriously?

    Simple: Only old people go to live there so they figure they'll be dead when it happens...

    --
    No sig today...
  4. Re:ENOUGH ALREADY !! CAN'T DO SHIT ABOUT IT ANYWAY by Joce640k · · Score: 3, Informative

    Just sit back and chill !! You can't do anything about it !! NO !! You CAN'T !!

    Not as long as the disinformation campaign is running in the USA, no.

    --
    No sig today...
  5. Re:ENOUGH ALREADY !! CAN'T DO SHIT ABOUT IT ANYWAY by vlm · · Score: 3, Insightful

    Just sit back and chill !! You can't do anything about it !! NO !! You CAN'T !!

    Sure you can. Move. Its not that hard, depending where you live. I live near a great lake, the supposed increase in extremes of weather is roughly equivalent to moving about 5% further away from the lake. So I need to move "about" a mile east. Having to move a mile toward the lake sucks for the rich people already living on the lakeshore, but they're the people most able to afford it anyway.

    My distant ancestors immigrated to farmland about 100 miles north roughly the same distance from the lake. Absolute worst case screaming eco-nut scenario however highly unlikely, means my GGG-grandkids would have to move 100 miles north to my ancestral homeland to have the same climate as when I was a kid. No big deal.

    Wake me when they're growing bananas in Chicago out in the open air, or a hurricane strikes Milwaukee, then I'll get worried about it.

    --
    "Science flies us to the moon. Religion flies us into buildings." - Victor Stenger
  6. Pretty doomsday to me by david.given · · Score: 5, Insightful

    sea levels to rise almost a meter more than present over the next century ... hardly a doomsday scenario

    I believe you don't realise quite how many people live within a vertical metre of sea level.

    1. Re:Pretty doomsday to me by Rockoon · · Score: 4, Interesting

      If you think that's a LONG time, consider that mankind was traversing oceans 500 years ago.

      1903 we first took flight.
      1942 we flew the first operational jet fighter.
      1961 we put the first man in space.
      1969 we put the first man on the moon.
      1971 we put the first space station in orbit.
      1980 we put the first re-usable vehicle into space.
      Today there are over a dozen private companies with space flight capability.

      500 years from now? You can't even begin to imagine what technology will be available. The only thing that you can be sure of is that it will look like magic.

      --
      "His name was James Damore."
    2. Re:Pretty doomsday to me by AdamHaun · · Score: 3, Insightful

      It's never been about doomsday for the whole planet. It's about poverty, war, and general misery for billions. But Slashdot Libertarians are still stuck in their echo chamber where anything less than a massive asteroid strike is preferably to a tax increase. Didn't you know that the suffering of poor people is really just a plot to take away your money?

      Some new arid areas are expected to appear in the south of N. America, South Africa and Mediterranean countries. Overall, hardly a doomsday scenario.

      Oh, just some "new arid areas". No big deal. If you have no idea what the fuck you are talking about. Maybe you should read a bit about the massive drought that hit Texas last year. Or the many, many wildfires due to our entire state being a tinderbox. August in Houston was extra fun, with 29 out of 31 days reaching highs over 100 degrees F, with all-time highs of 109 F being reached on four separate days. Maybe you'd rather see some pictures, if that's your thing -- look, I Googled it for you! You know it's bad when people are hoping for a hurricane to bring drought relief.

      Let me make this simple for you: no water = no agriculture, no cities, few people, lots of fires. Texas has 25 million people. That's a lot of misery you can spread around. A lot of potential refugees moving to your neighborhoods. But clearly letting my state be destroyed is preferable to allowing TEH EVIL (nonexistent) MARXISTS enact their EVIL (nonexistent) SOCIALIST AGENDA! (Which everyone in the world except Slashdot Libertarians is in on, of course.) Those evil socialists just hate the obvious solution of having billions of people and most of our agriculture pack up and move. But not Slashdot Libertarians! In addition to being IT administrators, they're *also* the worldwide experts in the economics of relocating entire populations, and can tell you with 100% certainty that it's super-cheap and mostly painless as long as we let the free market work its magic! Unlike carbon taxes which will instantly destroy the world economy! Because Cambodia!

      (I really heard someone here compare fighting climate change to Cambodian communism once. Incidentally, Cambodian communism was all about forcibly relocating large populations, but if you want to be a good Slashdot Libertarian, you don't sweat the details.)

      --
      Visit the
  7. Re:I still don't get it... by tolkienfan · · Score: 5, Funny

    Global warming doesn't care whether you believe in it.

  8. Hardly doomsday? by SirGarlon · · Score: 5, Insightful

    Let's compute the total market value of all coastal real estate below 1m elevation before we declare this "hardly a doomsday scenario."

    Let's also factor in the costs of re-aligning all land use to the new climate and the impact of that re-alignment on the global food supply.

    I'm not qualified to do that analysis, myself -- but I would venture, neither is the Slashdot editor who commented so dismissively on the report.

    --
    [Sir Garlon] is the marvellest knight that is now living, for he destroyeth many good knights, for he goeth invisible.
  9. Texas Drought Should Also Be a Concern by eldavojohn · · Score: 4, Insightful

    sea levels to rise almost a meter more than present over the next century ... hardly a doomsday scenario

    I believe you don't realise quite how many people live within a vertical metre of sea level.

    Well, that's a valid point however hamanity's war with the sea is nothing new and the Dutch have become quite adept at it (with 20% of their country being reclaimed land). Now, that has a whole bunch of caveats about how much trouble they face is that system ever fails and we've all probably heard about that. I would bet that if people believed these reports, some relatively inexpensive measures could be taken to prevent a much more expensive catastrophe. I don't know how much these efforts could help Florida -- an occasional hurricane might make them a bigger problem. But engineers have been tackling this problem.

    For the United States, I think a bigger doomsday scenario of this is for agriculture in Texas. Texas already lost $7.62 billion in agricultural this year and if you're telling me that that part of North America is going to get more arid? Well, droughts are something that humans have long had problems with. You can build all the irrigation you want but when that's dried up, there's not a lot you can do. If you like to eat beef and if you like Texas to be a productive state in the union, you should probably be concerned about this.

    --
    My work here is dung.
    1. Re:Texas Drought Should Also Be a Concern by hackertourist · · Score: 3, Insightful

      I would bet that if people believed these reports, some relatively inexpensive measures could be taken to prevent a much more expensive catastrophe

      The Netherlands expect to spend over E100B until the year 2100 on combating the consequences of rising sea levels. Doable for a rich country, but not exactly cheap.

    2. Re:Texas Drought Should Also Be a Concern by eldavojohn · · Score: 4, Insightful

      So then beef production moves slightly north?

      This is a confusingly ignorant misunderstanding that I constantly see reiterated on Slashdot. There is only a finite amount of arable land and that is 18% of the United States with 0.21% of that being permanent crops. From this site, you can see in this graph that the figure of 18% actually fluctuates. Now, there's a lot of factors at play but drought is a big one and this idea that you "just move the cattle North" to the new land is downright laughable. Temperature is not the only factor in making land arable. Why does Iowa produce more corn than per acre than any other state? Well, the soil has a lot to do with it but also the temperature is better than, say, Minnesota even though there's a lot of corn and soy grown in Minnesota.

      During the dust bowl of the 1930s, we should have learned that you can't just "move cattle and farming North a bit" to avoid droughts. We also should have learned how important it is to combat erosion and protect our water supplies.

      What happened last season in Texas was they failed to grow their own roughage (hay, straw, alfalfa, sorghum, etc) for their steers to eat and so they paid top dollar to have it shipped down to them and other states profited from Texas' loss. This is not a sustainable model. Moving cattle northward will not work, there is a reason ranching flourished in Texas -- any areas north of there that have the same conditions have long become ranches. Even if someone does the math and says "Oh, hey, this area of Montana here is going to be highly sought after" it's not like a massive ranch in Texas can pick up operations and move them to Montana in a single season. You're going to see restructuralization problems and the United States consumer will cry highway robbery when their already subsidized McDonald's burger costs $1.33 instead of $0.99. Should Texas become akin to Arizona, our economy will feel it.

      Or maybe I can finally get grass fed beef from the USA?

      You can already buy this from Montana and other states. The problem is how much grassland can support free roaming cattle. Again, a lesson learned from the Dust Bowl, we need to build ranches and feed them in order to prevent top soil erosion. If you demand they be free roaming and you calculate it, beef will become incredibly expensive and not a viable option for the entire populace.

      Over all a small increase in the price of beef is not the end of the world. The decreased red meat consumption would probably be a good thing on average for us.

      Right, those grapes were sour anyway?

      Texas still has lots of oil and natural gas.

      So? Most states depend on multiple sources of revenue, right? You should be alarmed when any major industry faces a major problem. Otherwise, why not just kill off all the other industries and embrace "lots of oil and natural gas"? Well, that's simple, you use what you got and Texas is losing arable land to grow food for their cattle.

      Its agriculture was living on borrowed time anyway. Once the aquifer went dry that was coming to an end.

      An unsustainable agricultural strategy is bad agriculture. Doesn't everything -- even your oil and natural gas -- depend on the availability of water? You make it sound like we just turned Texas into Mars and probably for the better? Ruining land is not the answer and this report states that Texas will get more arid so measures should be taken to at least prepare for that, wouldn't you think?

      --
      My work here is dung.
  10. Paren't point by Anonymous Coward · · Score: 5, Insightful

    Global warming doesn't care whether you believe in it.

    But the people who don't believe in it will not even consider that their Florida beachside home may be under water in a couple of decades. Therefore, the folks who see the seas rising will sell their beach side properties for a premium to the folks who are: sticking their heads in the sand; folks who think GW is a Liberal hoax; and folks who think the property is just high enough that they won't be effected.

    1. Find people who don't believe in GW.

    2. Sell (currently beach side; underwater later) property to them.

    3. Profit!

    1. Re:Paren't point by runeghost · · Score: 4, Insightful

      How is getting someone else to pay for building you a brand new house every decade or two irrational?

    2. Re:Paren't point by rgbatduke · · Score: 3, Insightful

      Go for it. Bear in mind that the actual data is that SLR is around 3 mm/year -- depending on how short a segment of the data you are willing to cherrypick to prove a point. Since the assertion is made above that SLR is supposed to be a meter more than previously claimed -- hence around 2 meters or even more -- and since here we are in 2012 with SLR having gone up a whole inch (to the nearest inch) in the last decade -- we have to take something like 78 inches and split it up among 88 years. Hmm, if SLR went up by an order of magnitude next year we might just make it.

      Otherwise, bear in mind that people who currently have beachfront property could die of old age before SLR becomes an issue for them. You (dear reader) could die of old age before SLR gets high enough to realize a profit on land you bought inland anticipating that it would become oceanfront. Or not.

      rgb

      --
      Even when the experts all agree, they may well be mistaken. --- Bertrand Russell.
  11. Re:How surprising... by h4rr4r · · Score: 4, Insightful

    Acid rain we avoided with a cap and trade system on sulfer dioxides. Much like what they want to do with CO2 since it is already proven to work.

    This is a real problem these days, if we solve any issue before the break down of society we get a bunch of ill informed mouth breathers beating their chests claiming there never was an issue.

  12. Re:The political construct is unraveling by hey! · · Score: 5, Insightful

    Baloney. It's the political hacks who pounce on something like this and say "Look! The scientists revised their consensus predictions, *obviously* it's just politics because the truth never changes." They say this because politics is the only thing they (think) they understand. It's just as silly as when they get up on their high horses about "revisionist" historians -- revising history is what *actual* historians do. Revising climate predictions is what climatologists do, and in any case the rumors of what the new IPCC (you like them now?) forecasts will contain is well within the range that's been discussed all along, except for a somewhat more pessimistic sea level rise figure. If you'd actually been paying attention to science news instead of political pundits, you'd know that the recent buzz has been the remarkable accuracy of the original 1990 IPCC report (source: http://www.nature.com/nclimate/journal/vaop/ncurrent/full/nclimate1763.html). This is a remarkable piece of support for the anthropogenic hypothesis, since the computer models used in the late 80s relied heavily on atmospheric CO2 accumulation.

    The only reason people like you think climate change is politically driven myth is because you weren't paying attention *before* it became a political issue. It was vigorously debated in the scientific literature well before it became a political hot potato -- check the abstracts on Google Scholar if you don't believe me. Now you can pooh pooh a 2 degree rise in global average temperature and 1 m rise in sea level, but that's because you have no idea what the effects of those changes will be. A 1m mean sea level rise means substantially more frequent flooding events. A 2 degree temperature rise has a huge effect on the distribution of vector borne diseases.

    It sounds benign to say that there will be "new arid zones in the Southern United States", but only if you don't think about what the appearance of a new arid zone would mean.

    --
    Post may contain irony: discontinue use if experiencing mood swings, nausea or elevated blood pressure.
  13. Re:I still don't get it... by FriendlyLurker · · Score: 4, Interesting

    Talking of stupid, anybody who takes this IPCC "draft" trolling seriously are being duped. The IPCC are climate change deniers, hiding behind a thin veil that can hardly be called "science"

    The end game of the massive well funded disinformation campaign being to influence as many people as possible into taking strong climate change denial opinion. The problem is, the likes of Fox news and troll news like this one are succeeding very well in this aim, http://environment.yale.edu/climate/the-climate-note/>as this graph shows. Science and evidence be damned.

    IPCC Disinformation campaign:

    The slide above comes from the presentation of Hans von Storch to the InterAcademy Review of the IPCC, presented earlier this week in Montreal. The slide references the misrepresentation of the issue of disasters and climate change by the IPCC. von Storch is very clear in his views:

    IPCC authors have decided to violate the mission of the IPCC, by presenting disinformation.

    Not only did the IPCC misrepresent the science of disasters and climate change, but went so far as to issue a highly misleading press release to try to spin the issue and put an unprepared IPCC WG2 chair on the BBC to try to defend the undefensible. I was promised a response from the IPCC to my concerns, a response that has never been provided.

    A former head of the IPCC, Robert Watson, says the following in the context of the 2035 glacier issue, but could be equally applied to the disaster issue:

    To me the fundamental problem was that when the error was found it was handled in a totally and utterly atrocious manner.

    The IAC Review of the IPCC is fully aware of this issue, and it will be interesting to see what their report says on the topic. Meantime, the IPCC is continuing its preparations for its next assessment in business-as-usual fashion.

  14. Re:I still don't get it... by Grizzley9 · · Score: 5, Funny

    Global warming doesn't care whether you believe in it.

    Stop anthropomorphizing Global Warming. It doesn't like that.

  15. Re:How surprising... by nedlohs · · Score: 3, Insightful

    Maybe you didn't get your science information from the news which as you state likes alarmist predictions you'd have a better understanding of what scientists have actually been saying about all those things for all those years?

  16. Re:I still don't get it... by blindseer · · Score: 4, Interesting

    I believe that whether or not AGW is true the response should be the same. More nuclear and natural gas. Less ethanol and foreign sourced oil. Drop the stupid subsidies on windmills, solar panels, and electric cars.

    Electric cars are now a mature technology. We no longer need to subsidize them since people are buying top dollar electric cars anyway. Electric car subsidies are just the wealthy legislating more more to the wealthy so they can by their status symbols. Also, until we replace coal power with nuclear these cars produce more carbon than a gasoline, diesel, or especially natural gas counterpart.

    Windmills rarely produce a net carbon savings because they are still backed up by inefficient natural gas turbines or, the largest culprit of carbon output, coal.

    End this insanity with CFL bulbs. I don't like the idea of having fragile, mercury filled, glass tubes hanging over where I eat and sleep. If we had nuclear instead of coal it would not matter what kind of lighting I chose when it comes to carbon output.

    If we cannot figure out whether or not ethanol actually saves on carbon or not then perhaps we should not be dumping so much money into it. If people want ethanol then let them have it, just don't make me buy it so you can feel better about yourself. Like the CFL bulb example above this would all be moot if we could get some natural gas and electric (from nuclear) vehicles on the road.

    The nice thing about all of this is that it involves reducing government influence on our lives, increases the choices of the consumer, lower taxes, greater wealth for all, and no painful transitions in infrastructure. This is also precisely why it will not happen. AGW is about bigger government, not saving the world.

    --
    I am armed because I am free. I am free because I am armed.
  17. Re:How surprising... by the+eric+conspiracy · · Score: 5, Informative

    Actually peak oil has happened. Why do you think you are paying $4 for gas, and we are drilling EVERYWHERE for the last dregs, not to mention trying to process tar sands. And why do you think economic growth worldwide sucks? Why do you think global oil production is in a downtrend?

    1960's big freeze - I call bullshit. There was never a scientific consensus that this would happen.

    http://www.skepticalscience.com/ice-age-predictions-in-1970s.htm

    1970's - Ozone layer was preserved because of a concerted global response to remove the cause of it's shrinkage. Duh.

    1980's - Aids has killed 15 million people. Go talk to people living in countries where it is pandemic and then come back and tell me nothing has happened.

    http://www.avert.org/aids-impact-africa.htm

    2003 - SARS. Please cite a claim that it was going to wipe us all out.

    2005 - Avian Flu - ditto

    2012 - Oh BS.

    Alarmist predictions are made alarmist by news reporters. The actual predictions have been pretty much accurate.

    http://phys.org/news/2012-12-pair-global.html

  18. Re:How do you model such a complicated system? by Giant+Electronic+Bra · · Score: 4, Insightful

    Actually your assessment is quite good, except it would be applicable to the 1970's. Modern Earth system models are FAR more sophisticated and capable than you are stating. They respond in quite realistic ways to different forcings, reproduce both recent historical temperatures and paleoclimate. They are also virtually entirely physical, containing no 'fudge factors', just basic physics. There are plenty of things that aren't accurately measured and a few significant things that are only partially understood, but when we plug in various different models of those things (say clouds for instance) we can constrain the range of what these unknowns could possibly be hiding. It isn't much. One of the most remarkable facts about climate models is just how consistently they have produced quite similar overall results and how HARD it is to get them to produce really unrealistic results. Even the most grossly simplistic models usually demonstrate significant correspondence with reality. The main area of uncertainty, and one that may possibly be irreducible, are small scale regional predictions. Climate can have a lot of different similar states. It is perhaps impossible even with virtually infinite computer power to predict what the rainfall will be in New England around 2050. The answers you will get in each model run with slightly randomized initial state will vary somewhat. Interestingly though the GLOBAL results are generally rock solid consistent. Chances are this is just a feature of the real world, tiny effects WILL make a local difference, but the overall state of the whole system is constrained by basic conservation laws, so that the large scale predictions are highly accurate (and have generally been shown to be so). Truthfully we may be approaching the limit of what we can usefully do in terms of prediction.

    --
    "Malo periculosam, libertatem quam quietam servitutem." -- Jefferson
  19. Re:The political construct is unraveling by TapeCutter · · Score: 5, Informative
    The source is FF lobbyists, TFA is a A grade bullshit, the author has a track record. The usual suspects in opinion columns around the world will all point to it (or more commonly each other) for the next year. When the report is published they will either ignore the fact they were wrong or insist it was a in "a draft"

    The very notion of a secret draft plays into peoples biases, it also depends on people's ignorance of basic facts. Some easily verifiable facts:
    The IPCC conducts it's business in the open and are more than happy to respond to a layman who spots a trivial typo in a draft (as I did circa 2001).
    They're expecting ~100K review comments this time around.
    The thousands of scientists and others involved do not get a dime from the IPCC, all work is donated (aside from 3-4 permanent office staff).
    The IPCC's accounts can also be found via that link.
    Their $5-6M annual budget comes from donations by the governments of over 100 countries of all political stripes. Somewhat ironically the bulk of it is spent on airline tickets..

    The political construct is unraveling

    The headline hit the nail on the head, but I'm pretty sure it's not the nail the GP was aiming at.

    --
    And did you exchange a walk on part in the war for a lead role in a cage? - Pink Floyd.
  20. Re:The political construct is unraveling by gr8_phk · · Score: 3, Insightful

    The only reason people like you think climate change is politically driven myth is because you weren't paying attention *before* it became a political issue.

    Nope. The political angle has been apparent for quite some time - I figured it was an attempt to stop the developing world from advancing. Say to prevent China and India from becoming the dominant players on the world stage. But prior to the politicization there were the ever conflicting reports just like we see today:

    sea levels to rise almost a meter more than present over the next century, but past dire warnings of stronger storms or more frequent droughts won't pan out.

    Remember the record hurricane season that was going to be the new norm due to climate change? How about the collapse of the ice shelves in Antarctica that later later started growing - oh, melting will be at the north pole and MORE ice will form at the south. I recall in the 1970's when we were all headed to the next ice age - the computer models all kept falling into something called "white earth" and never warmed up again. At least that is more consistent with the ice cores (looks like we're due for glaciation to start within 1000 years). One of the reasons people are skeptical or even deniers is all this bullshit that they can't get the models and prediction straight. If you keep changing your story, people won't believe you. It's that simple.

  21. Re:How surprising... by Jason+Levine · · Score: 4, Insightful

    The same thing happened with Y2K. A lot of people worked very hard to prevent a giant mess and were successful. Since a catastrophe didn't happen, people assume it was all hype and no substance. Would it have ended civilization as we know it? No. Would it have led to a period of great chaos which could have sent the economy reeling (the markets hate chaos)? Yes.

    If you work hard enough at averting a crisis, you inevitably get people who second guess whether your efforts averted the crisis or whether the crisis averted itself and you're just trying to claim credit.

    --
    My sci-fi novel, Ghost Thief, is now available from Amazon.com.
  22. Re:The political construct is unraveling by rhsanborn · · Score: 5, Informative

    Perhaps you recall the media making a big deal of global cooling, but the scientific community was not. The story isn't changing nearly so much as people say it is. Popular media is doing a hell of a job of making it sound like this is a controversy. It isn't. There is a great graphic here. Source

    Climate skeptics have played the media and the general populace like a fiddle. They point to the relatively small number of scientists who speculated on global cooling, and then say, "they can't make up their minds". They pick the .02% of papers speculating that global warming doesn't exist and call it a "controversy".

  23. No ice age [Re:The political construct...] by Geoffrey.landis · · Score: 5, Informative

    The only reason people like you think climate change is politically driven myth is because you weren't paying attention *before* it became a political issue.

    Nope. The political angle has been apparent for quite some time - I figured it was an attempt to stop the developing world from advancing. Say to prevent China and India from becoming the dominant players on the world stage.

    So, to be clear: you believe that Manabe and Wetherald's landmark 1967 paper (which built on Manabe and Strickler 1964) that calculated the amount of warming due to anthropogenic greenhouse gasses, was work that was actually done "to prevent China and India from becoming the dominant players on the world stage"? Do you have any evidence for this whatsoever? Can you find some 1964 references saying that politicians were seriously worried about "China and India becoming the dominant players on the world stage," much less were instructing scientists to make up data to prevent it?

    ... I recall in the 1970's when we were all headed to the next ice age - the computer models all kept falling into something called "white earth" and never warmed up again.

    That's been debunked ages ago. The "next ice age" played well in the media-- it made Time and Newsweek--but it was never a scientific consensus. Check out "The myth of the 1970s global cooling scientific consensus" in Bulletin of the American Meteorological Society http://journals.ametsoc.org/doi/pdf/10.1175/2008BAMS2370.1 , or the discussion and links here: http://scienceblogs.com/stoat/2008/09/18/now-out-in-bams-the-myth-of-th/

    ...One of the reasons people are skeptical or even deniers is all this bullshit that they can't get the models and prediction straight. If you keep changing your story, people won't believe you. It's that simple.

    Sorry, but this is the way science happens: the overall physics is understood, and then the details are slowly filled and the error bars are refined and the calculations get better.

    Let me remind you that the overall physics of the effect of carbon dioxide in the atmosphere had been remarkably constant. Today's best estimate of the warming effect is still within the error bars of Manabe and Wetherald's original 1967 calculation, and if you plot their predictions against the actual measured temperatures, using the measured values of carbon dioxide in the atmosphere, the data fits perfectly.

    We have pretty good confidence that we know the physics of the greenhouse effect. Scientists has not been "keeping changing your story"-- it's been physics that's been well understood for over a hundred years, and the same overall calculation with the same net result, to within the error bars, for close to fifty years.

    --
    http://www.geoffreylandis.com
    1. Re:No ice age [Re:The political construct...] by Black+Parrot · · Score: 4, Informative

      ...One of the reasons people are skeptical or even deniers is all this bullshit that they can't get the models and prediction straight. If you keep changing your story, people won't believe you. It's that simple.

      Sorry, but this is the way science happens: the overall physics is understood, and then the details are slowly filled and the error bars are refined and the calculations get better.

      It's a terrible, terrible thing when scientists try to improve their predictions. They should just make something up and stick to it in the face of all countering evidence, like cranks do.

      I'm sure the GP poster will be reassured to learn that creationists also recognize the validity of this argument. Great minds think alike, and all that.

      We have pretty good confidence that we know the physics of the greenhouse effect.

      We can even measure the earth's reduced thermal radiation at the frequencies absorbed by greenhouse gasses, compared to when measurements were first made around 1970. See this article, second plot from the top.

      --
      Sheesh, evil *and* a jerk. -- Jade
  24. Re:The political construct is unraveling by V+for+Vendetta · · Score: 3, Interesting

    I recall in the 1970's when we were all headed to the next ice age - the computer models all kept falling into something called "white earth" and never warmed up again.

    Here's a good and insighful read of the author of the study that became media's "next ice age" in the 1970s has to say about it: http://www.edge.org/q2008/q08_7.html#schneider

    He ends with:

    Ironically, inside the scientific world, this switch of sign of projected effects is viewed as precisely what responsible scientists must do when the facts change. Not only did I change my mind, but published almost immediately what had changed and how that played out over time. Scientists have no crystal ball, but we do have modeling methods that are the closest approximation available. They can't give us truth, but they can tell us the logical consequences of explicit assumptions. Those who update their conclusions explicitly as facts evolve are much more likely to be a credible source than those who stick to old stories for political consistency. Two cheers for the scientific method!

  25. Re:I'm detecting a trend... by Black+Parrot · · Score: 4, Interesting

    Seriously, all you highly intelligent motivated reasoning alarmists out there, the biggest damage that was ever done to your position was the wild exaggeration and apocalyptic doom mongering. Yes, it has been fairly pointed out that there is a contingent of skeptics who scare monger about the "New World Order", and the UN controlling everyone, but that trope hasn't benefitted the CAGW crowd nearly as much as they've been harmed by their own end of the world rhetoric.

    Funny, I hear a lot less end-of-the-world rhetoric than I hear accusations of end-of-the-world rhetoric.

    Also, the biggest damage to widespread knowledge of the truth wasn't done by alarmism, but by shills for Big Oil writing opinion pieces in influential newspapers and magazines.

    --
    Sheesh, evil *and* a jerk. -- Jade
  26. Re:I still don't get it... by blindseer · · Score: 3, Interesting

    My so called "pissing on others' yards" is the fault of the government. They are the ones not letting people build more nuclear power plants. If we replace all these coal plants with nuclear ones we would put a very significant dent in the carbon output we produce.

    CFL bulbs are a band-aid on a gun shot wound. Electricity is used for many things other than lighting. If we put our efforts in building nuclear power plants then ALL electricity use gains. Electric cars are one example. Getting an electric car does not "save the planet" if we're burning coal to charge them up. Electric cars only make sense if the electricity comes from an energy source that has less carbon output than an equivalent gasoline or diesel car would.

    For the record, I am for heavily taxing incandescent bulbs rather than banning them.

    That's a distinction without a difference. The government would still be doing nothing about the real problem, carbon output from coal fired electric power plants. Replace those coal plants with nuclear and the light bulbs I buy should not matter to anyone.

    --
    I am armed because I am free. I am free because I am armed.