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These measurements inspired the theoretical physicist Lewis D. Kaplan to grind through some extensive numerical computations. In 1952, he showed that in the upper atmosphere the saturation of CO2 lines should be weak. Thus adding more of the gas would make a difference in the high layers, changing the overall balance of the atmosphere. Meanwhile, precise laboratory measurements found that the most important CO2 absorption lines did not lie exactly on top of water vapor lines. Instead of two overlapping bands, there were two sets of narrow lines with spaces for radiation to slip through.
Originally posted by Essan
Must admit that I hadn't realised the significance of CO2 was proven as a result of cold war research in the 1950s ......
Originally posted by melatonin
This line of argument doesn't stand up, and you know it. Before the LIA, we had the MWP, this resulted in minmal CO2 increases. If, as you do, propose the MWP was warmer than now, we would expect a similar CO2, or even larger, spike in a similar period (ca. 300 years with ca. 100ppm increase) after that. We just don't see it.
Originally posted by melatonin
This line of argument doesn't stand up, and you know it. Before the LIA, we had the MWP, this resulted in minmal CO2 increases. If, as you do, propose the MWP was warmer than now, we would expect a similar CO2, or even larger, spike in a similar period (ca. 300 years with ca. 100ppm increase) after that. We just don't see it.
Originally posted by melatonin
You argument needs to logically consistent.
What you are trying to argue here is that the increase of CO2 in the atmosphere is not predominately human-sourced, which is pretty much a ridiculous statement. Where does the CO2 we produce go?
Originally posted by melatonin
During normal ice-age cycle a temperature change of a few degrees is associated with around 280-300ppm. We are well above that with an increase at larger rates than before to levels not seen in 650,000 years.
Originally posted by melatonin
No, that is your misinterpretation of an article that assessed how the warming from the holocene may have acted as a wave through hundreds of meters of deep sea sediments, formerly permafrost, and formed pongo-like structures.
Originally posted by melatonin
And increasing cosmic rays are prosposed to cause the production of more relective clouds, cooling the climate. Neutral hydrogen (monoatomic hydrogen) would likely destroy the ozone layer, ozone is another GG gas, this may well lead to cooling (but this is much more complex). The particulate matter would also lead to cooling.
Seems an ISD is suggested to lead to cooling. Note that all they mention is climate changes. ISD are being associated with 'snowball earth' scenarios, not warming.
www.universetoday.com...
Abstract: There seems to be a roughly linear increase of the temperature from about 1800, or even much earlier, to the present. This warming trend is likely to be a natural change; a rapid increase of CO2 began in about 1940. This trend should be subtracted from the temperature data during the last 100 years. Thus, there is a possibility that only a fraction of the present warming trend may be attributed to the greenhouse effect resulting from human activities. This conclusion is contrary to the IPCC (2007) Report, which states that “most” of the present warming is due to the greenhouse effect. One possible cause of the linear increase may be that the Earth is still recovering from the Little Ice Age. It is urgent that natural changes be correctly identified and removed accurately from the presently on-going changes in order to find the contribution of the greenhouse effect.
Meanwhile, the IPCC mobilized a large number of climatologists and meteorologists and published several impressive, voluminous publications, one after the other. In one of them, “Climate Change 2001,” for example, a figure that became known as “the hockey stick,” was used prominently in the “Summary for Policy Makers,” in which the temperature shows a dramatic increase during the most recent 100 years, after a slow decrease in temperature over the first 900 years. The nickname “hockey stick” was coined because the temperature-time curve had this sudden, upward kink near the end, like a hockey stick. (Since then, this particular figure has been discredited; the new IPCC Report (2007) does not include the figure.)
A supercomputer, as complex and powerful as it may be, is a far cry from the complexity of our real earth! It is simply a very poor virtual earth. Actually, the modelers themselves should know best the limitations of their results as they continue to improve their models, and perhaps modelers should, at times, be a little more cautious about their findings. In any case, modeling is nothing more than an academic exercise, at least at this stage. There is a considerable difference among results obtained by different researchers. To give just one example, the predicted year when Arctic Ocean sea ice would disappear entirely in the summer months spans a range from 2040 to at least 2300. This shows the uncertainty in modeling studies. Since sea ice plays the role of the lid in warming water in a pan, it plays a significant role in climate change and future prediction.
Originally posted by Muaddib
There is no "if" the MWP was warmer.... Research data shows that it was warmer, and the RWP was even more warm than the MWP and today...
Originally posted by Muaddib
There is no "if" the MWP was warmer.... Research data shows that it was warmer, and the RWP was even more warm than the MWP and today...
I am not disputing the fact that human activities are releasing CO2....but I am also saying, as all the data shows that, first, temperatures have always increased first, then CO2 levels increased; second, there are natural factors which have been occuring during the 19th-20th century which do affect the release of more trace gases in the atmosphere from natural sources; third and last, since temperatures were increasing well before CO2 levels increased, and since the main premise of those scientists who want to blame mankind for Climate Change have claimed that anthropogenic CO2 is the main cause, it is obvious that mankind did not cause the current Climate Change, or Global Warming, and there is no way for mankind to "mitigate or stop Climate Change."
Wrong... you keep trying to decieve people with your erroneous data...
Variations in atmosphereic CO2 during glacial and interglacial events have been inferred from the geologic record to be between 80ppm to 100ppm.... not 20 ppm like you are trying to imply...
And let's not forget the fact that CO2 levels inferred from Ice core have discrepancies with other data samples.
My misrepresentation?... as i remember you tried to correlate that warming with "human causes" not me.
We can't even duplicate the conditions in outer space, or interstellar clouds, in any lab... Our most advanced vacuum lab is 10,000 times denser than any interstellar cloud, hence it would be quite difficult to reproduce the effects of such clouds on our Solar system.
Originally posted by Muaddib
Ok, i was just checking my email, I am subscribed to a variety of scientifc journals, and I found some information provided by Dr. Syun-Ichi Akasofu, who is the founding director of the International Arctic Research Center, and as you will see, his conclusions agree with what I have been trying to say in these forums for a while now. I can't give the information on the email, but here is an abstract which can be found at The University of Alaska Fairbanks website, where Dr. Akasofu posted his comments.
Originally posted by melatonin
Yet, that is not an article from a peer-reviewed scientific journal.
Originally posted by Essan
Proxy data suggests some places were warmer But we can't say anything definitively - those pesky Romans forgot to put any temp measuring satellites into orbit, and as for the silly Vikings leaving their Davis weather stations at home
Originally posted by Essan
Ice cores (again, only a proxy and only for one place) suggest neither the MWP nor LIA were particularly significant in terms of Greenland temperature trends - and it was warmer in the early/mid Holocene.
Originally posted by Muaddib
Originally posted by melatonin
Yet, that is not an article from a peer-reviewed scientific journal.
It's from a PHD, and a site where there are scientists from Japan and the U.S. investigating Climate Change/Global Warming, which is more than we can say from some members who are just trying to dismiss every data, whether it is peer reviewed or not, and giving every imaginable excuse, even if it means making BS up that refutes their hope that they have the power to stop or mitigate Climate Change...
Originally posted by melatonin
It was you who said you were subscribed to scientific journals.
Originally posted by melatonin
That is a non-peer reviewed report from Akasofu, who is predominately a researcher of aurora.
Books
Akasofu, S.-I., Polar and Magnetospheric Substorms, D. Reidel Pub. Co., Dordrecht, Holland, 1968, (also a Russian edition).
Akasofu, S.-I., B. Fogle, and B. Haurwitz, Sydney Chapman, Eighty, published by the National Center for Atmospheric Research and the Publishing Service of the University of Colorado, 1968.
Akasofu, S.-I. and S. Chapman, Solar-Terrestrial Physics, Clarendon Press, Oxford, England, 1972, (also a Russian and Chinese edition).
Akasofu, S.-I., The Aurora: A Discharge Phenomenon Surrounding the Earth, (in Japanese), Chuo-koran- sha, Tokyo, Japan.
Akasofu, S.-I., Physics of Magnetospheric Substorms, D. Reidel, Pub. Co., Dordrecht, Holland, 1977.
Akasofu, S.-I., Aurora Borealis: The Amazing Northern Lights, Alaska Geographic Society, Alaska Northwest Pub. Co., 6, 2, 1979, (also a Japanese edition).
Akasofu, S.-I. (ed.), Dynamics of the Magnetosphere, D. Reidel Pub. Co., Dordrecht, Holland, 1979.
Akasofu, S.-I. and J.R. Kan (eds.), Physics of Auroral Arc Formation, Am. Geophys. Union, Washington, D.C., 1981.
Akasofu, S.-I. and Y. Kamide (eds.), The Solar Wind and the Earth, Geophys. Astrophys. Monographs, Terra Scientific Pub. Co., Tokyo, Japan, and D. Reidel Pub. Co., Dordrecht, Holland, 1987.
Akasofu, S.-I., Secrets of the Aurora Borealis, Alaska Geographic Society, Banta Publications Group/Hart Press, Vol. 29, No. 1, 2002.
Akasofu, S.-I. Exploring the Secrets of the Aurora, Kluwer Academic Publishers, Netherlands, 2002.
Originally posted by melatonin
Why is someone with a PhD writing another thesis?
Is he gonna be a Dr Dr like Dr Dr Billie Demski?
Originally posted by Muaddib
What the heck does that have anything to do with this?...
Ok, i was just checking my email, I am subscribed to a variety of scientifc journals, and I found some information provided by Dr. Syun-Ichi Akasofu, who is the founding director of the International Arctic Research Center
Really?... let's see what sort of books Dr. Akasofu has written.
How many scientific books have you written melatonin?...
Well, i guess every PHd who writes, and or conducts research "must be writting a thesis"...
Originally posted by melatonin
the fact you mentioned a subscription to scientific journals seemed an attempt to add reliability to a non-peer reviewed article.
You might be interested in my notes entitled "Is the Earth still recovering from the 'Little Ice Age'?--a possible cause of global warming" and "Why has 'global warming' become such a passionate subject?--Let's not lose our cool." They are accessible through the following link:
www.iarc.uaf.edu...
Regards, Syun Akasofu
Syun-Ichi Akasofu
Founding Director
International Arctic Research Center
P.O. Box 757340
Fairbanks, AK 99775-7340
USA
Originally posted by melatonin
mainly to do with the magnetosphere and solar wind, which are related to aurora. His area of expertise.
Originally posted by melatonin
None yet. Have thought about it though.
Originally posted by melatonin
First you associated the article with peer-reviewed scientific articles, then suggested it was a from a PhD, to me that sounds it is from a PhD thesis. If I say 'this work is from a PhD', it says to me the thesis produced during a PhD. If you mean from a PhD scientist, fair enough, but I could find you a PhD scientist who will write about how many dinosaurs fitted in Noah's ark, just another non-peer reviewed piece of work.
I am subscribed to a variety of scientifc journals, and I found some information provided by Dr. Syun-Ichi Akasofu
Originally posted by Muaddib
BTW, you have not been "peer-reviewed" either
Yes, I got an email through a scientific subscription which gave me that link, here is the part of the email that I can quote.
Are you going to try to tell us now that the magnetosphere and the solar wind are not factors that affect Earth's climate?....
You have made already several mistakes melatonin, keep making more, you will only prove you don't know what you are talking about.
Right....
Stop trying to clarify that you put your foot in your mouth, i said and i quote
I am subscribed to a variety of scientifc journals, and I found some information provided by Dr. Syun-Ichi Akasofu
I got an email which gave that information and link through a scientific subscription.... You want me to pass a poligraph too?...
Originally posted by Essan
.....................
Isn't it about time everyone accepted that they are not gods and therefore may, possibly, actually, not be 100% right all of the time?
You know I'm right
Originally posted by Muaddib
How eloquently put...except for the fact that you are trying to use that argument to bolster your own claim, which you happen to agree that mankind is the main cause for global warming....