According to NASA we're in a period of unusually low sunspot activity that'll be at it's worst end of 2007, start of 2008, historically associated with very cold periods for us. Plus below are two examples of articles r.e. a serious slow in the warming ocean current, that scientists seem very concerned about. Please read them before answering if poss.
It seems as though several factors we're experiencing now have also been recorded together in history, and when they happen it plunges the UK into a mini Ice Age, like when the Thames used to freeze over. So what do you think... after our "summer without a summer" in the UK are we headed for 1-2 years of very cold hard times?
p.s. Scientists have been warning about this since the 1970s until 'Global Warming' shut them up.
THE ARTICLE LINKS ARE BELOW...
2007-08-03
06:05:12
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12 answers
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asked by
Anonymous
in
Environment
➔ Global Warming
Times (May 8, 2005) Britain Faces Big Chill As Ocean Current Slows by Jonathan Leake, Science Editor (quote) 'Such a change could have a severe impact on Britain, which lies on the same latitude as Siberia and ought to be much colder.' http://www.timesonline.co.uk/tol/news/uk/article520013.ece
New Scientist (30 November 2005) Failing Ocean Current Raises Fears of Mini Ice Age (quotes) Scientists 'found a 30% reduction in the warm currents that carry water north from the Gulf Stream'... "We are nervous about our findings. They have come as quite a surprise."... 'Some climate models predict that global warming could lead to a shutdown later this century. The last shutdown, which prompted a temperature drop of 5°C to 10°C in western Europe, was probably at the end of the last ice age, 12,000 years ago.' http://www.newscientist.com/article.ns?id=dn8398
2007-08-03
06:05:46 ·
update #1
TREVOR = I just had to say that everything you've written is contrary to the best scientific evidence at NASA, plus some of the best experts currently researching these fields of study. You need to read Nature, New Scientist, and some academic papers before you dismiss it all out of hand, because to do so makes you seem like an idiot, which I can tell you're not.
2007-08-03
06:44:47 ·
update #2
A spate of alarming global-warming reports has recently hit the newspapers. The International Climate Change Taskforce warned that warming is likely to hit a “point of no return” within ten years. The World Wildlife Fund also warned of imminent climate “tipping.” Climateprediction.net announced that, by testing a wider variety of initial conditions than other climate modelers, it had arrived at a more radical range of warming predictions.
All of these studies employ the classic ruse of advocacy statistics: they omit key explanatory variables, so that explanatory power gets misattributed to those explanatory variables that are included. The variable that these studies leave out is the solar-magnetic flux. As a result, the warming caused by high levels of solar-wind over the last half-century gets misattributed to greenhouse gases. This exaggerated greenhouse warming effect then gets projected forward into trumped-up predictions of imminent catastrophe if human production of greenhouse gases is not drastically curtailed.
Sunspots and climate
Correlation between sunspot activity and cloudless skies has been observed for over a century. It is also known that the Little Ice Age coincided with a sunspot minimum. What has been a mystery until recently is the mechanisms by which solar activity might affect climate. In the last decade, scientists have finally begun to solve this riddle. Solar flares generate storms of solar-magnetic flux that partially shield the Earth from cosmic radiation. Evidence suggests that this cosmic radiation promotes cloud formation, either by ionizing the atmosphere, or by affecting the atmosphere’s electrical circuit. Thus high levels of solar wind have the effect of blowing away the cloud cover, giving the Earth a sunburn. Add that solar activity has been very high since the 1940's, and the slight global warming observed since the mid 70's could easily be due to this effect.
None of the global warming alarmists take this effect into account. All of the recent alarmist studies are based on the GCMs (General Circulation Models) employed by the IPCC (the International Panel on Climate Change). These IPCC GCMs have never included the effects of cosmic rays on cloud formation. Back in 1996, at the time of the IPCC’s Second Assessment Report, this omission was marginally tenable. Sunspots generate a slight increase in solar luminosity (the relatively cool spots are surrounded by super-hot “faculae”) but this increase in radiance is not enough to create significant global warming. The correlation between sunspots and cloudiness was also known, but since no one had any idea what the causal link might be, they did not built it into their models.
The situation had changed drastically by 2001, when the IPCC’s Third Assessment Report came out. By then the cosmic ray theory had been formulated and evidenced and could be modeled. There were still some difficulties with the theory. In particular, direct measurement of the effect of cosmic rays on cloudiness was complicated by volcanic activity and other influences on cloud formation, but evidence of the long term correlation between cosmic radiation and climate was piling up impressively. In sum, the mechanism was strongly evidenced, but the available correlations were to the output of the climate models (global climate), not to the inputs that drive the models (the amount of solar energy getting reflected back into space by cloud cover).
The scientific thing to do in this circumstance is go with the best available estimate of the relation between solar-flux and the Earth’s reflectivity, then vary the parameters of the relation looking the model specification that best fits the historical temperature data. Instead, the IPCC just continued to omit solar-magnetic effects, calling them “unproven” (6.11.2.2). This from a climate-prediction enterprise that is nothing but speculation from top to bottom. The entire enterprise is driven by best estimates, but here a strongly evidenced key determinant of global climate was left out entirely. No mention was even made of how failing to account for solar-magnetic warming effects causes any such effects to be misattributed to greenhouse warming.
Environmental religion
The fact is, global warming alarmists are not scientists, they are propagandists. Instead of trying to incorporate solar-magnetic effects into their models, the alarmists regard the solar-magnetic theory of warming as a competitor to their preferred greenhouse gas theory. As evidence for the impact of cosmic radiation on clouds continues to roll in, the alarmists are still concocting excuses to ignore this mechanism that undercuts their preferred conclusions.
NASA climatologist Gavin Schmidt recently justified leaving cosmic radiation out of NASA models on the grounds that the effect is not needed. “[T]here is no obvious need for ‘new’ or unknown physics to explain what [is] going on,” he explains to science fiction writer Jerry Pournelle (at Pournelle’s website). Earth to NASA: it isn’t enough to tweak your model to fit the historical temperature record. You have to fit ALL the data, including the evidence that cosmic radiation produces cloud cover. If you leave out a real effect, your model is WRONG. Warming that ought to be attributed to solar activity gets misattributed to greenhouse gases, and whatever predictions you make on the basis of those exaggerated warming effects are lies.
These lies are intentional. The goal is to have a grounds for demanding the curtailment of human activity. That is the founding stone of environmental religion. Environmentalists see man as displacing nature, and in this contest, they side with nature. As the self-appointed representatives of a natural world that cannot speak for itself, they see all human impacts as by definition bad, and the interdiction of human impacts as necessarily good, regardless of whether the pretext for curtailing human activity is honest or dishonest.
Gavin Schmidt’s rejection of proper scientific principles is just one example. In the sixties and early seventies, when global temperatures seemed to be falling, Stanford climatologist Stephen Schneider claimed that fossil fuel burning was causing global cooling and needed to be curtailed. When temperatures started rising, he switched to claiming that that fossil fuel burning is causing global warming, and needs to be curtailed. If sunspot activity falls off and cooling returns, he will presumably again claim that human activity is causing cooling, and needs to be curtailed. Schneider seems to be starting with his preferred conclusion (human impact bad), then picking and choosing from the available reason and evidence to fashion the best case he can for this conclusion.
This kind of behavior is why we see today a continued refusal by the global warming alarmists to incorporate well documented solar-magnetic effects into their models. If the implications of honest science do not condemn human impact, these opponents of human impact will find excuses to reject honest science.
Rational environmentalism
Those who study the cyclical patterns in sunspot activity predict a solar minimum by 2030. There is lots of evidence that if such a minimum does occur, increased cloud cover will block the sun and cool the Earth. In this case, the slightly warmer jacket of greenhouse gases created by fossil fuel burning will turn out to be a good thing, not a bad thing. More generally, until we can predict the course of natural variation, we have no idea whether a particular human impact will turn out to be good or bad.
There are valid reasons to limit fossil fuel consumption, but they have nothing to do with global warming. One is to limit pollution. Another is to conserve limited resources. Most important is strategic national interest. Our economy is terribly vulnerable to any kink in the oil supply pipeline. This vulnerability can be reduced by taking four steps. A hefty tax on fossil fuels (with all proceeds returned to taxpayers in the form of lower other taxes) would reduce demand, driving the world price of oil down to the cost of producing the easiest to produce oil. This would create a net gain for our economy while at the same time taking the stress off of production and distribution facilities. We should also fill the strategic oil reserve and we should drill and cap enough domestic reserves to be able to make up any temporary shortfall in imports. Lastly, we should switch over to nuclear generation.
Any decade now, breakthroughs in solar electric generation and in battery technology are likely to place much of our energy production and distribution beyond the reach of any kink in oil supplies. Until then, reducing our vulnerability to supply kinks will require substantial reductions in fossil fuel consumption. It is possible that the associated reduction in greenhouse gas emissions will send us into an ice-age that higher levels of emissions would forestall, but we don’t yet understand climate science well enough to proceed sensibly on this kind of concern. That would be as nutty as paying a high price today in order to gamble that we will want to be wearing a slightly lighter jacket of greenhouse gases fifty or a hundred or two hundred years from now, when we have no idea where natural temperature variation is headed.
At some point, climate science may have clear prescriptions to offer, but not today. The best we can do now is to strive for rapid economic, scientific and technological advance, in order to best be able to deal with whatever threats await.
2007-08-03 06:55:33
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answer #1
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answered by heavymetalrick 3
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The oil spill has nothing to do with the periodic climatic changes at present taking place. If you want to start looking at man made reasons, the release of gases from cattle worldwide has a greater effect, and that in itself is minimal to the other reasons. Why do you think that the ice age and a tropical northern Europe happened in the past. Certainly not from man made effects, there weren't any around.
2016-04-01 16:08:43
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answer #2
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answered by Anonymous
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Listen to Trevor he's got it about right, I'm in my seventieth year and for all that time the media have been predicting gloom and disaster on a global scale, don't listen to them. They are just about selling news space of one kind or another and of course some of the politicians go along with them to get votes. Oh and by the way I have lived through wetter summers in the UK than this one people only like to remember the good ones ( Have you noticed the media never put a definite date on reports of this kind usually the wettest summer since records began that type of thing)
2007-08-05 02:24:40
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answer #3
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answered by Anonymous
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There's no need to worry, the UK is not entering a mini ice age. This is a classic case of things having been taken out of context and distorted by a media more concened with a sensationalistic story then the truth.
Sunspot activity is not unusually low, just lower than the long term average. This happens frequently. In the short term sun spot activity has almost no effect on our climate, it's only after many years that even a small effect begins to emerge. The reason being down to the fact that the variation in solar output between minumum (insolation minima) and maximum (insolation maxima) is very small.
The last time that sunspot activity had a marked effect on our weather / climate was almost 300 years ago and followed a period of 70 years with virtually no sunspot activity (the Maunder Minimum).
Thermohaline circulation (meridian overturning circulation) is quite stable for the moment. A future consequence of global warming could be an interuption of these ocean currents and the one most at risk would appear to be the North Atlantic Conveyor (Gulf Stream). There is no way of knowing what, if anything, might happen to it. In years to come we will no doubt develop a better understanding of these circulations and be better placed to make predictions about potential future consequences but for now we don't have sufficient information.
It's a popular misconception spread by some global warming skeptics that scientists have been warming about coming ice ages. Next time someone mentions this to yo, challenge them to come up with something to substantiate their claims - it won't be forthcoming because it doesn't exist.
One interesting point (and this might come as something of a surprise) apart from exceptional rainfall the summer in the UK this year has been around average. The reason it seems cold and dull is because recent summers have been considerably hotter and sunnier than average. Also, 2007 is still on target to be the hottest year ever recorded in both the UK and the world as a whole.
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Re your addit edit: My answer isn't contrary to evidence from NASA or the other experts currently researching these fields. It's actually very much in line with what they're saying. This sort of stuff is my line of work so I need to be up to date with what's happening. We also get copies of any relevant articles ahead of them being published.
The two news articles you linked to are a couple of years old and more recent and in depth research have shown them to be erroneous.
The news report from The Times only gives part of the story, it does what the media are so often guilty of which is to focus on the dramatic whilst ignoring the mundane. Not particularly helpful as it means readers only get half the story, one of the reasons I advocate that those wishing to fnd out about global warming read the original scientific reports as opposed to the media reports.
The second link from New Scientist does at least include the fuller picture and states that whilst the report suggests changes have occured to Gulf Stream there has been no change noticed in the UK. These two things are contradictory, if the Gulf Stream stops, truncates, diverts or weakens it will affect the climate of the UK with the most pronounced effect being a significant temperature drop, this hasn't happened.
2007-08-03 06:28:14
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answer #4
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answered by Trevor 7
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According to quite a few climatologists the planet is just recovering from a 'mini ice-age' and will continue to warm until the cycle peaks at the REAL average temperature, instead of the rather chilly mean that we have been enjoying these last few centuries.
2007-08-03 06:37:52
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answer #5
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answered by credo quia est absurdum 7
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I've always thought about us going into another mini ice-age, but wasn't sure whethe,r I knew it was going to happen or it was just wishful thinking. also Joe Bastardi says on his page that he thinks we'll have a mini ice-age.
http://www.accuweather.com cli8ck on uk & ire then joe bastardi.
P.s Heavymetalrik, I am reading a book called 'The chilling stars - a new theory of climate change' which is about cosmic rays affecting our climate, and i was really interested in your answer, but it went on too long and i couldn't read all of it.
2007-08-03 10:03:13
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answer #6
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answered by willow 6
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This isn't the first time it has happened. And all the other times it has happened it was before the Industrial Revolution ever came about by mankind. America was once in ice as well. It will happen regardless of man's involvement or not.
2007-08-03 06:15:12
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answer #7
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answered by Fallen 6
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If it's true it will be longer than 1-2 years. The last one was about 500 years.
2007-08-03 06:15:53
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answer #8
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answered by Anonymous
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It likely is, check out the new book, "The Last Generation" which opines that our planet could become (like the movie) "The Day After Tomorrow."
Let's do something BIG about it, is the message in the book, in my mind.
Here's my contribution..
http://ev-diary.blogspot.com/
2007-08-03 06:14:01
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answer #9
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answered by Dr. Quixote 1
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that confuses me a bit
first we're supposed to dying from global warming
now we're supposed to freeze cause of an ice-age???
but i hope it happens, i like cold
2007-08-03 06:15:26
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answer #10
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answered by Anonymous
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hope so can't stand the hot weather
2007-08-03 06:15:20
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answer #11
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answered by lifeboat51 1
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