Vilham wrote:
O Sorry i put an S on the end of pole. Are you now also claiming that the O3 molecules in the atmosphere arent been changed to O2 by greenhouse gases thus reducing the protection from UV rays at the sun thus causing increased energy in the H2O molecules thus melting them and causing water levels to rise??
http://en.wikipedia.org/wiki/Ozone BAM!
No, I am not claiming that at all. I have no idea how you read that into what I did write. I acknowledge the correlation between
some greenhouse gasses, primarily CFC's and the breakdown of O3. I was waiting for something a little more cogent from you after reading that inane post that you wrote. Now your claim that increased UV is causing global warming is very tenuous at best, ridiculous at worst. I saw nowhere in your Ozone article any link between Ozone depletion and global warming. Maybe you should read up a little on UV radiation. You may even refer to Wiki on this. You will note that there is no mention of global warming.
http://en.wikipedia.org/wiki/UVBWhy is this? I'll tell you, it is because you are very confused about the mechanics of electromagnetic radiation and heat transfer.
A mini-lesson in basic electromagnetic physics:
Infrared.
The term "infrared" refers to a broad range of frequencies, beginning at the top end of those frequencies used for communication and extending up the the low frequency (red) end of the visible spectrum. The wavelength range is from about 1 millimeter down to 750 nm. The range adjacent to the visible spectrum is called the "near infrared" and the longer wavelength part is called "far infrared". In interactions with matter, infrared primarily acts to set molecules into vibration. It is molecular vibration that is detected as heat.
Visible Light.
The narrow visible part of the electromagnetic spectrum corresponds to the wavelengths near the maximum of the Sun's radiation curve. In interactions with matter, visible light primarily acts to set elevate electrons to higher energy levels. The primary mechanism for the absorption of visible light photons is the elevation of electrons to higher energy levels. There are many available states, so visible light is absorbed strongly. With a strong light source, red light can be transmitted through the hand or a fold of skin, showing that the red end of the spectrum is not absorbed as strongly as the violet end. While exposure to visible light causes heating, it does not cause ionization with its risks. You may be heated by the sun through a car windshield, but you will not be sunburned - that is an effect of the higher frequency UV part of sunlight which is blocked by the glass of the windshield.
Ultraviolet (UV).
The region just below the visible in wavelength is called the near ultraviolet. It is absorbed very strongly by most solid substances, and even absorbed appreciably by air. The shorter wavelengths reach the ionization energy for many molecules, so the far ultraviolet has some of the dangers attendant to other ionizing radiation. The tissue effects of ultraviolet include sunburn, but can have some therapeutic effects as well. The sun is a strong source of ultraviolet radiation, but atmospheric absorption eliminates most of the shorter wavelengths. The eyes are quite susceptible to damage from ultraviolet radiation. Welders must wear protective eye shields because of the UV content of welding arcs can inflame the eyes. Snow-blindness is another example of UV inflammation; the snow reflects UV while most other substances absorb it strongly.
I want you think of a cloudy day at the beach or on a sunny ski slope where the temperatures seem cool, yet later you notice that you have developed a nasty sunburn. UV is not a significant contributor to 'global warming', it poses a health threat of a completely different nature.
Vilham wrote:
The reason i wrote the top part is because what you are saying is exactly what american political scientists are saying thus justifying the fact that america isnt reducing its carbon emmission on the same scale as the rest of the world. The sheer fact that you refuse to accept that we are causing increases in carbon emmission thus themeratures (
http://en.wikipedia.org/wiki/Greenhouse_effect) shows you as a nutta.
Your presenting of one Wikipedia article supporting your view hardly constitutes me being a 'nutta', Vilham, it does however illustrate your limited understanding of the topic. I do not dispute that we are contributing to CO2 emissions, that was noted in the chart, it is just
very minor at .28% of the total.