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Global warming and cooling: cycles within cycles within cycles.

Quite a few years back I read an article on global warming and the author stated that it is likely that there is a stronger correlation between global temperatures and solar activity than that proposed for CO2. This was interesting and I had a look at some of his data. Although the data is very limited in terms of the timescales we are interested in, I was amazed to see such a close correlation between sunspot numbers and temperature, both rising and falling together. The data made much more sense than what was previously available i.e. rising CO2 levels and rising temperatures. One of the author's graphed data is below. The author who looked at this data is called Svensmark (see interview below). Clearly, CO2 is a 'greenhouse' gas as other compounds such as CFCs, water vapour etc. This is not in question. The point of scientific contention is the degree or significance of CO2 in altering global temperatures. If you listen to Al Gore and the rest of the global warming industry, (mostly representatives of the Rockefellers i.e. politicians, bankers, market shysters and their 'paid for' academic advisors and researchers) you would be forgiven that indeed, we, humanity are the cause of all these pertubations in weather and increased global temperatures.

Our human/economic activities add CO2 into the atmosphere but the amount of CO2 we produce is insignificant compared to levels of warming attributable to water vapour in the atmosphere. In other words, the CO2 we release and its effects in hastening 'global warming' is very small indeed compared to what we are led to believe. The above debate has taken on the trappings of a 'religion' in some areas of society but at the end of the day, the truth is still the truth and this will be reflected in actual recorded global temperatures. The facts are that global temperatures have fallen during the past 10 years and in spite of 'manufactured' data used by the data centres that report on global weather data (see numerous reports on the web i.e. google 'climategate'), the truth of the situation will eventually 'out' sooner rather than later.


We are now in a very interesting position because the face of the sun has seen very few sunspots over the past 12 months or so and this is reflected in some 'out of season' weather conditions across the world. Global temperatures are now falling and have been for several years in spite of the media hype to the contrary and how the global warming lobby have 'tunnelled' into the well intentioned efforts of a number of green groups and environmentalists on this issue. I reproduce a few articles on the above below.



Earth approaching sunspot records: Created September 20, 2009

Charlie Perry, a research hydrologist with the U.S. Geological Survey in Lawrence, sifts through graphs of data in explaining why he believes solar activity may have greater impact on global temperatures than previously thought.

The average person may not associate coolness with the sun.
The sun releases energy through deep nuclear fusion reactions in its core and has surface temperatures as hot as 10,000 degrees Fahrenheit, according to NASA's Web site. Not cool at all. But the sun's recent activity, or lack thereof, may be linked to the pleasant summer temperatures the midwest has enjoyed this year, said Charlie Perry, a research hydrologist with the U.S. Geological Survey in Lawrence. The sun is at a low point of a deep solar minimum in which there are few to no sunspots on its surface. In July through August, 51 consecutive days passed without a spot, one day short of tying the record of 52 days from the early 1900s. As of Sept. 15, the current solar minimum ranks third all-time in the amount of spotless days with 717 since 2004. There have been 206 spotless days in 2009, which is 14th all-time. But there are still more than 100 days left in the year, and Perry expects that number to climb.

Perry, who studies sunspots and solar activity in his spare time, received an undergraduate degree in physics at Kansas State University and a Ph.D in physics and astronomy at The University of Kansas. He also has spent time as a meteorologist.
A sunspot, Perry explains, is a location on the sun's surface that is cooler than the surrounding area. When there are more sunspots, the sun's surface becomes more dynamic and an opposite effect takes place, releasing more heat and energy when other parts of the sun become hotter.
A solar minimum is when the amount of spots on the sun is at a low and the reverse is true for a solar maximum. The complete solar cycle is about an 11-year process. Perry says the current solar minimum could continue into 2010. "There's a fair chance it will be a cooler winter than last year," Perry said. Perry said there is a feeling from some in the scientific community the Earth may be entering into a grand minimum, which is an extended period with low numbers of sunspots that creates cooler temperatures. The year without a summer, which was 1816, was during a grand minimum in 1800 to 1830 when Europe became cooler, Perry said. Another grand minimum was in 1903 to 1913.

Perry said there is anecdotal evidence the Earth's temperature may be slightly decreasing, but local weather patterns are much more affected by the jet stream than solar activity.
However, Perry said snow in Buenos Aires and southern Africa, the best ski season in Australia and a cooler Arctic region are some of the anecdotal evidence for a cooling period.
So, Perry said, sunspots may have a far greater impact on weather than previously thought.
Perry is a proponent of the cosmic ray and clouds theory as opposed to the CO2 global warming theory to explain recent global warming trends.

The cosmic ray and clouds theory was first put forth in the late 1990's by Danish physicist Henrik Svensmark.
In a July 2007 issue of Discover magazine, Svensmark said the theory is simply that solar activity can alter the amount of clouds in the atmosphere, which affects the temperature of the Earth. More clouds mean a cooler Earth because more of the sun's heat is being reflected. Fewer clouds equal a warmer Earth.
Perry says data indicates global temperature fluctuations correlate to a statistically significant degree with the length of the sunspot cycle. Longer cycles are associated with cooler temperatures.
Johan Feddema, acting chair and professor of geography at KU, studies global warming. Atmospheric science is a program in geography at KU. He says he is skeptical of any one phenomenon being the direct cause of global warming because there are so many climate variables that factor into global temperatures.
Feddema said the warming trend earlier in the century could be attributed to anything from solar activity to El Ninos. But since the mid 1980s he believes data doesn't correlate well with solar activity, but does correlate well with rising CO2 levels. Feddema believes we may hit global high temperatures in a few years with the underlying factor being rising CO2 levels, coupled with the solar cycle returning to a maximum and an El Nino.
For more information or to view graphs of data pertaining to global climate change, Feddema recommends visiting the Intergovernmental Panel on Climate Change's Web site at www.ipcc.ch/ where 2007 assessment reports on climate change can be viewed. He also recommends the Wikipedia entry on solar variation for good visual graphs of data.
Perry said he recommends www.icecap.us/ for climate information; www.discovermagazine.com to learn more about Svensmark's theory; www.global-warming-and-the-climate.com/images/sunspot-lenght-&-temperature.htm to view a global temperature and solar activity graph; and his own research Web page at ks.water.usgs.gov/waterdata/climate/.
Corey Jones can be reached at (785) 295-5612 or corey.jones@cjonline.com.


Global warming? June 11, 2008


The Sunspot Enigma: The Sun is “Dead”—What Does it Mean for Earth?

Dark spots, some as large as 50,000 miles in diameter, typically move across the surface of the sun, contracting and expanding as they go. These strange and powerful phenomena are known as sunspots, but now they are all gone. Not even solar physicists know why it’s happening and what this odd solar silence might be indicating for our future.
Although periods of inactivity are normal for the sun, this current period has gone on much longer than usual and scientists are starting to worry—at least a little bit. Recently 100 scientists from Europe, Asia, Latin America, Africa and North America gathered to discuss the issue at an international solar conference at Montana State University. Today's sun is as inactive as it was two years ago, and solar physicists don’t have a clue as to why.
"It continues to be dead," said Saku Tsuneta with the National Astronomical Observatory of Japan, program manager for the Hinode solar mission, noting that it is at least a little bit worrisome for scientists.
Dana Longcope, a solar physicist at MSU, said the sun usually operates on an 11-year cycle with maximum activity occurring in the middle of the cycle. The last cycle reached its peak in 2001 and is believed to be just ending now, Longcope said. The next cycle is just beginning and is expected to reach its peak sometime around 2012. But so far nothing is happening. "It's a dead face," Tsuneta said of the sun's appearance.

Tsuneta said solar physicists aren't weather forecasters and they can't predict the future. They do have the ability to observe, however, and they have observed a longer-than-normal period of solar inactivity. In the past, they observed that the sun once went 50 years without producing sunspots. That period coincided with a little ice age on Earth that lasted from 1650 to 1700. Coincidence? Some scientists say it was, but many worry that it wasn’t.
Geophysicist Phil Chapman, the first Australian to become an astronaut with NASA, said pictures from the US Solar and Heliospheric Observatory also show that there are currently no spots on the sun. He also noted that the world cooled quickly between January last year and January this year, by about 0.7C.
"This is the fastest temperature change in the instrumental record, and it puts us back to where we were in 1930," Dr Chapman noted in The Australian recently. If the world does face another mini Ice Age, it could come without warning. Evidence for abrupt climate change is readily found in ice cores taken from Greenland and Antarctica. One of the best known examples of such an event is the Younger Dryas cooling, which occurred about 12,000 years ago, named after the arctic wildflower found in northern European sediments. This event began and ended rather abruptly, and for its entire 1000 year duration the North Atlantic region was about 5°C colder. Could something like this happen again? There’s no way to tell, and because the changes can happen all within one decade—we might not even see it coming.
The Younger Dryas occurred at a time when orbital forcing should have continued to drive climate to the present warm state. The unexplained phenomenon has been the topic of much intense scientific debate, as well as other millennial scale events.

Now this 11-year low in Sunspot activity has raised fears among a small but growing number of scientists that rather than getting warmer, the Earth could possibly be about to return to another cooling period. The idea is especially intriguing considering that most of the world is in preparation for global warming.
Canadian scientist Kenneth Tapping of the National Research Council has also noted that solar activity has entered into an unusually inactive phase, but what that means—if anything—is still anyone’s guess. Another solar scientist, Oleg Sorokhtin, a fellow of the Russian Academy of Natural Sciences, however, is certain that it’s an indication of a coming cooling period. Sorokhtin believes that a lack of sunspots does indicate a coming cooling period based on certain past trends and early records. In fact, he calls manmade climate change "a drop in the bucket" compared to the fierce and abrupt cold that can potentially be brought on by inactive solar phases.
Sorokhtin’s advice: "Stock up on fur coats"…just in case.

Posted by Rebecca Sato
Related posts:
The Milky Way Enigma -How Galactic Forces May Control Life on Earth
The “Little Ice Age” Argument Makes a Comeback: Abrupt Climate Change Goes Both Ways, Warns Scientist
Are Global Warming Models Accurately Predicting Our Future? New Study Reveals the Answer—A Galaxy Interview


An interview with Svensmark on his theory

Sun's Shifts May Cause Global Warming
His studies show that natural variations in the sun plays a major role in global warming. So are humans off the hook? And if so, why does he use compact fluorescent lightbulbs?

by Marion Long: From the July 2007 issue, published online June 25, 2007

Most leading climate experts don’t agree with Henrik Svensmark, the 49-year-old director of the Center for Sun-Climate Research at the Danish National Space Center in Copenhagen. In fact, he has taken a lot of blows for proposing that solar activity and cosmic rays are instrumental in determining the warming (and cooling) of Earth. His studies show that cosmic rays trigger cloud formation, suggesting that a high level of solar activity—which suppresses the flow of cosmic rays striking the atmosphere—could result in fewer clouds and a warmer planet. This, Svensmark contends, could account for most of the warming during the last century. Does this mean that carbon dioxide is less important than we’ve been led to believe? Yes, he says, but how much less is impossible to know because climate models are so limited.
There is probably no greater scientific heresy today than questioning the warming role of CO2, especially in the wake of the report issued by the United Nations Intergovernmental Panel on Climate Change (IPCC). That report warned that nations must cut back on greenhouse gas emissions, and insisted that “unless drastic action is taken . . . millions of poor people will suffer from hunger, thirst, floods, and disease.” As astrophysicist ?Eugene Parker, the discoverer of solar wind, writes in the foreword to Svensmark’s new book, The Chilling Stars: A New Theory of Climate Change, “Global warming has become a political issue both in government and in the scientific community. The scientific lines have been drawn by ‘eminent’ scientists, and an important new idea is an unwelcome intruder. It upsets the established orthodoxy.”
We talked with the unexpectedly modest and soft-spoken Henrik Svensmark about his work, the criticism it has received, and truth versus hype in climate science.

Was there something in the Danish weather when you were growing up that inspired you to study clouds and climate?
I remember being fascinated by clouds when I was young, but I never suspected that I would one day be working on these problems, trying to solve the puzzle of how clouds are actually formed. My background is in physics, not in atmospheric science. At the time when I left school and began working, it was almost impossible to get any permanent work whatsoever in science. That was why, after doing a lot of physics on short-term things at various places, I took a job at the Meteorological Society. And once I was there I thought, “Well, I had better start doing something.” So I started thinking about problems that were relevant in that field, and that was how I started thinking about the sun and how it might affect Earth.
It was a purely scientific impulse. With my background in theoretical physics, I had no—well, certainly not very much—knowledge about global warming. I simply thought that if there is a connection to the sun, that would be very interesting, and I certainly had no idea it would be viewed as so controversial.

In 1996, when you reported that changes in the sun’s activity could explain most or all of the recent rise in Earth’s temperature, the chairman of the United Nations Intergovernmental Panel called your announcement “extremely naive and irresponsible.” How did you react?
I was just stunned. I remember being shocked by how many thought what I was doing was terrible. I couldn’t understand it because when you are a physicist, you are trained that when you find something that cannot be explained, something that doesn’t fit, that is what you are excited about. If there is a possibility that you might have an explanation, that is something that everybody thinks is what you should pursue. Here was exactly the opposite reaction. It was as though people were saying to me, “This is something that you should not have done.” That was very strange for me, and it has been more or less like that ever since.

So it’s difficult to do climate research without being suspected of having a hidden agenda?
Yes, it is frustrating. People can use this however they want, and I can’t stop them. Some are accusing me of doing it for political reasons; some are saying I’m doing it for the oil companies. This is just ridiculous. I think there’s a huge interest in discrediting what I’m doing, but I’ve sort of gotten used to this. I’ve convinced myself the only thing I can do is just to continue doing good science. And I think time will show that we are on the right track.

Do you ever worry that people will take your findings and use them to support unwarranted or even harmful conclusions?
I would be happy to kill the project if I could find out that there was something that didn’t fit or that I no longer believed in it. When we started, it was just a simple hypothesis based on a correlation, and correlations are, of course, something that could be quite dubious, and they could go away if you get better data. But this work has only strengthened itself over the years.

What first made you suspect that changes in the sun are having a significant impact on global warming?

I began my investigations by studying work done in 1991 by Eigil Fiin-Christensen and Knud Lassen Fiin-Christensen. They had looked at solar activity over the last 100 years and found a remarkable correlation to temperatures. I knew that many people dismissed that result, but I thought the correlation was so good that I could not help but start speculating—what could be the relation? Then I heard a suggestion that it might be cosmic rays, changing the chemistry high up in the atmosphere. I immediately thought, “Well, if that is going to work, it has to be through the clouds.”
That was the initial idea. Then I remembered seeing a science experiment at my high school in Elsinore, in which our teacher showed us what is called a cloud chamber, and seeing tracks of radioactive particles, which look like small droplets. So I thought to myself, “That would be the way to do it.” I started to obtain data from satellites, which actually was quite a detective work at that time, but I did start to find data, and to my surprise there seems to be a correlation between changes in cosmic rays and changes in clouds. And I think in early January 1996, I finally got a curve, which was very impressive with respect to the correlation. It was only over a short period of time, because the data were covering just seven years or something like that. So it was almost nothing, but it was a nice correlation.

How exactly does the mechanism work, linking changes in the sun with climate change on Earth?
The basic idea is that solar activity can turn the cloudiness up and down, which has an effect on the warming or cooling of Earth’s surface temperature. The key agents in this are cosmic rays, which are energetic particles coming from the interstellar media—they come from remnants of supernova explosions mainly. These energetic particles have to enter into what we call the heliosphere, which is the large volume of space that is dominated by our sun, through the solar wind, which is a plasma of electrons, atomic nuclei, and associated magnetic fields that are streaming nonstop from the sun. Cosmic-ray particles have to penetrate the sun’s magnetic field. And if the sun and the solar wind are very active—as they are right now—they will not allow so many cosmic rays to reach Earth. Fewer cosmic rays mean fewer clouds will be formed, and so there will be a warmer Earth. If the sun and the solar wind are not so active, then more cosmic rays can come in. That means more clouds [reflecting away more sunlight] and a cooler Earth.
Now it’s well known that solar activity can turn up and down the amount of cosmic rays that come to Earth. But the next question was a complete unknown: Why should cosmic rays affect clouds? Because at that time, when we began this work, there was no mechanism that could explain this. Meteorologists denied that cosmic rays could be involved in cloud formation.

You and a half-dozen colleagues carried out a landmark study of cosmic rays and clouds while working in the basement of the Danish National Space Center. How did you do it?
We spent five or six years building an experiment here in Copenhagen, to see if we could find a connection. We named the experiment SKY, which means “cloud” in Danish. Natural cosmic rays came through the ceiling, and ultraviolet lamps played the part of the sun. We had a huge chamber, with about eight cubic meters of air, and the whole idea was to have air that is as clean as you have over the Pacific, and then of course, to be able to control what’s in the chamber. So we had minute trace gases as you have in the real atmosphere, of sulfur dioxide and ozone and water vapor, and then by keeping these things constant and just changing the ionization [the abundance of electrically charged atoms] in the chamber a little bit, we could see that we could produce these small aerosols, which are the basic building blocks for cloud condensation nuclei.
So the idea is that in the atmosphere, the ionization is helping produce cloud condensation nuclei, and that changes the amount and type of clouds. If you change the clouds, of course, you change the amount of energy that reaches Earth’s surface. So it’s a very effective way, with almost no energy input, to change the energy balance of Earth and therefore the temperature
There were so many strange surprises, and many times we were busy just trying to understand what was going on. The mechanism we seemed to be finding was very different from any theoretical ideas about how it should work. It seemed to be much more effective than we had ever imagined. It seems as if an electron is able to help form a small particle—a molecular cluster, as we call it—and then the electron can jump off and help another one. So it’s like a catalytic process. It was a big surprise that it is so effective.
These types of experiments had not really been done before, and we had to find new techniques in order to do them. Once we had the results, it was necessary to understand completely what was going on. So it was a very intense period of work, almost hypnotic.

Now there are other experiments, like the CLOUD project, also designed to investigate the effects of cosmic rays. How will this build on your work?

CLOUD is an international collaboration [sponsored by the European Organization for Nuclear Research, or CERN] that is taking place in Geneva, but it’s going to take a while before any results come out of that. It was approved last year, and building the machine will take at least three years. That’s a problem with science: You have to have a lot of patience because results are very slow to come.

If the scientists at CLOUD are able to prove that cosmic rays can change Earth’s cloud cover, would that force climate scientists to reevaluate their ideas about global warming?
Definitely, because in the standard view of climate change, you think of clouds as a result of the climate that you have. Our idea reverses that, turns things completely upside down, saying that the climate is a result of how the clouds are.

How do you see your work fitting into the grand debates about the causes of global warming and the considerations of what ought to be done about it?
I think—no, I believe—that the sun has had an influence in the past and is changing climate at the present, and it most certainly will do so in the future. We live in a unique time in history, because this period has the highest solar activity we have had in 1,000 years, and maybe even in 8,000 years. And we know that changes in solar activity have made significant changes in climate. For instance, we had the little ice age about 300 years ago. You had very few sunspots [markings on the face of the sun that indicate heightened solar activity] between 1650 and 1715, and for example, in Sweden in 1696, it caused the harvest to go wrong. People were starving—100,000 people died—and it was very desperate times, all coinciding with this very low solar activity. The last time we had high solar activity was during the medieval warming, which was when all of the cathedrals were built in Europe. And if you go 1,000 years back, you also had high solar activity, and that was when Rome was at its height. So I think there’s good evidence that these are significant changes that are happening naturally. If we are talking about the next century, there might be a human effect on climate change on top of that, but the natural effect from solar effect will be important. This should be recognized in the models and calculations that are being used to make predictions.

Why is there such resistance to doing that? Is the science that conflicted or confusing? Or is politics intervening?
I think it’s the latter, and I think it’s both. And I think there’s a fear that it will turn out, or that it would be suggested, that the man-made contribution is smaller than what you would expect if you look at CO2 alone.

Have you had a hard time getting funding?

For an eternity, I would say. But there are no oil companies funding my work, not at all. It sounds funny, but the Danish Carlsberg Foundation—you know, the one who makes beer—they have been of real support to me. They have a big foundation; in Denmark it’s one of the biggest resources for science. It’s because the founder of Carlsberg wanted to use scientific methods to make the best beer. It’s probably the best beer in the world, because of science.

If cosmic radiation is in fact the principal cause of global warming, is that good or bad news for human beings?
That’s a good question because you would have to say that we cannot predict the sun. And, of course, that would mean that we couldn’t do anything about it.
But if humans, through carbon dioxide emissions, are affecting climate less than we think, would that mean we may have more time to reduce the harmful effects?
Yes, that could of course be a consequence. But I don’t know how to get to such a conclusion because right now everything is set up that CO2 is a major disaster in society.

Do you agree that carbon dioxide is having at least some impact on Earth’s current warming?

Yes, but you have to give the sun a role. If you include the sun in the right way, the effect of CO2 must be smaller. The question is, how much smaller? All we know about the effect of CO2 is really based on climate models that predict how climate should be in 50 to 100 years, and these climate models cannot actually model clouds at all, so they are really poor. When you look at them, the models are off by many hundreds percent. It’s a well-known fact that clouds are the major uncertainty in any climate model. So the tools that we are using to make these predictions are not actually very good.

What do you hope to do next in pursuit of your theory?
I’m extremely excited about our next experiment, which will happen in the next couple months. We are planning to go one kilometer below Earth’s surface because when we do an experiment in the basement we cannot get rid of the radiation. Cosmic rays are so penetrating that there’s always ionization in our chamber and we cannot get to zero ionization. I think it will be the first time that people are attempting an experiment where there is no ionization present. I think it will be quite fascinating because it will tell us something about the details in the mechanism.

Do you think then that individuals and societies as a whole need to try to conserve energy? Do you use compact fluorescent lightbulbs, for instance?
Yes, yes, we use those. And I ride a bicycle. There are good reasons to conserve our resources and find a more economical way of using energy, but the argumentation is not linked necessarily to climate.

At this stage in your work, how confident are you that your basic theories are correct?
I think it is almost certain that cosmic rays are responsible for changes in climate. I think now I have very good evidence, and I think I’ve come up with some very good evidence that it is clouds. Of course, we cannot discuss the exact mechanism, but I think we have some very important fragments of these ideas. One extrapolation we could make, for instance: Would this mechanism work in an ancient atmosphere? Would these processes still happen? That is something I don’t know.

You discuss your work as part of an emerging field that you call “cosmoclimatology.” What is that?
It is the idea that processes in space and what is happening here on Earth are connected. It is this idea that when Earth is in a certain spiral arm of the Milky Way, you can associate that with a certain geological period. Previously, the idea was of Earth as a sort of isolated system on which processes evolved. Now all of a sudden it seems as if our position in the galaxy is important for what has happened and is happening here on Earth. It is this connection between Earth and space that’s exciting and why I have given it this name. Most of this research has taken place just within the last 10 years, and it is truly multidisciplinary, ranging from solar physics and atmospheric chemistry to geology and meteorology—even high-particle physicists are involved. The people who are doing space-related observations are very happy that there could be a connection from space to Earth because it makes a good argumentation for understanding processes out there.
These connections, which combine such a variety of disciplines and create opportunities for many lines of work, are surprising and wonderful. It has been a real challenge for me, though, because I have to look at so many different fields in order to work.

You’ve faced more than a few hard knocks in pursuing your scientific career. What keeps you going?
From the beginning, I have found this to be a really interesting problem, and now, I think, it is the potential of it that draws me on. It is something which started as a simple idea and seems to be continually extending, or expanding. That has really been the most important thing. I mean, for instance, I would never have thought that we would find these correlations between the cosmic rays and the evolution of the Milky Way and life on Earth. I never expected that all of these things are connected in a beautiful way.

Finally, an interesting article on possible implications of prolonged durations of our 'spotless' sun on global climate, here.

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