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MisterOpus1
Grumpy Old Fart



Registered: Dec 2001
Location: Kansas City

quote:
Originally posted by Magnetonium


models suggest that changes in the Sun's energy output may have caused a small cooling at that time, but it is still unclear how these small changes in solar activity may have triggered such a widespread cooling"

LOL, yeah, thats so confirmed.


Nothing has to be entirely "confirmed" in this particular instance. What's clear, however, is that you have not offered much of any verifiable alternative theories at all to explain, well, to be honest I'm really not sure what on earth you are explaining anymore. Perhaps a summary of points on what you're arguing is in order at this point?

quote:
Look - I am not going to waste hours digging up all the references, professor lectures, book links and their references - the point is, if you wish to not believe it you'll always find excuse for discrediting the information. So I wont bother.


That's a pretty laim excuse to bow out of an argument on a debating forum. I took some time to support my assertions, and admittedly climatology is not my specialty by any stretch. Yet it took a little googling and an email or two to a fellow researcher at KU whom I spent some time doing undergrad. biol. stuff with to find some rather straightforward answers.

Of course it's your perogative, but it doesn't help your case much.

quote:
The books I'll recommend you to read are EARTH IN THE BALANCE by Al Gore and LAST HOURS OF ANCIENT SUNLIGHT by Thom Hartmann, as well as ice core samples information, historic records, look for professor discussion evidence, etc.


Perhaps a couple of quotes from these authors in their books would help support your arguments, then? With my current school-load plus outside leisure reading, I really haven't a heckuva lotta time to skim through these books. I'm sure they're quite fascinating, and what's even stranger is I'd probably agree with nearly everything they are saying.

What I'm trying to figure out right now, however, is how what they are saying is somehow in disagreement with what I am arguing, and how it somehow bolsters your argument. Perhaps you could explain this a bit more?

quote:
Also, havent you noticed that rotation of the Earth, the spin / axis, which has its own cycle, "equinoxes", have a huge role in climate change, like like winter/summer transition. And thats proven. My points like these were previously ignored -


Incorrect. I believe we covered that, and the myriad of flaws in the argument you provided with your link:

http://en.wikipedia.org/wiki/Milankovitch_cycles

I believe I also supplied this to support my argument as well:

quote:
These are not small problems with the hypothesis. They are quite vast. These problems, especially the ~100kyr (95kyr+120kyr+400kyr) eccentricity problem are big enough to be disproven by the lack of their own merit. Furthermore, this paper by Muller and Macdonald:

http://muller.lbl.gov/papers/nature.html

demonstrates that there is little to no evidence of a 95kyr, 120kyr or a 400kyr frequency in the climate data. There is, however, a very narrow 100kyr frequency. Putting this together with the fact that the eccentricity cycle is the weakest of the Milankovitch cycles seemingly points rather convincingly that Milankovitch was not a cause of the ice ages.

The 100kyr frequency, however, does point to another source, the sun's magnetic cycles:

http://www.sciencedaily.com/release...20607073439.htm

You'll notice in that paper that a correlation between Be10 and O18 in that above paper improves when it is corrected for geomagnetic variation, which gives more credence against a fallacious correlation.


So by no means did I ignore your point. I simply did not agree with it and supported my reasons as to why.

quote:
I also like to add thatt global glaciation kills no less species of life than global warming - and global warming at least causes life explosion - its just claimed that its going to negatively affect our lifestyles.


What on earth are you arguing here? Am I to understand that you are saying we shouldn't be worried about global warming because, in comparison to global glaciation, no less species are killed off? Are you being serious? I really don't want to misunderstand you here, so could you perhaps explain a bit more on this comparison and how that supports your point?

quote:
With further CO2 cuts in our atmosphere, there will be increase of nitrogen and decrease of oxygen because less plants will convert CO2 to oxygen, which will eventually lead to unbreathable air and kill us all. Earth was used to be at one point made up of up to 35% oxygen. today's 0.4% CO2 content is way too low:

"Earth's atmosphere is a layer of gases surrounding the planet Earth and retained by the Earth's gravity. It contains roughly 78% nitrogen, 21% oxygen, 0.93% argon, 0.04% carbon dioxide, and trace amounts of other gases, in addition to water vapor. This mixture of gases is commonly known as air."


http://en.wikipedia.org/wiki/Earth%27s_atmosphere

Buddy, here's another quote from that same link, all referenced and common sense, by the way:

"Photosynthesising plants would later evolve and convert more carbon dioxide into oxygen. Over time, excess carbon became locked in fossil fuels, sedimentary rocks (notably limestone), and animal shells. As oxygen was released, it reacted with ammonia to release nitrogen; in addition, bacteria would also convert ammonia into nitrogen. But most of the modern day level of nitrogen are due mostly to sunlight-powered photolysis of ammonia released steadily over the aeons from volcanoes.

As more plants appeared, the levels of oxygen increased significantly, while carbon dioxide levels dropped. At first the oxygen combined with various elements (such as iron), but eventually oxygen accumulated in the atmosphere, resulting in mass extinctions and further evolution. With the appearance of an ozone layer (ozone is an allotrope of oxygen) lifeforms were better protected from ultraviolet radiation. This oxygen-nitrogen atmosphere is the "third atmosphere". 200 - 250 million years ago, up to 35 percent of the atmosphere was oxygen (bubbles of ancient atmosphere were found in an amber).

This modern atmosphere has a composition which is enforced by oceanic blue-green algae as well as geological processes. O2 does not remain naturally free in an atmosphere, but tends to be consumed (by inorganic chemical reactions, as well as by animals, bacteria, and even land plants at night), while CO2 tends to be produced by respiration and decomposition and oxidation of organic matter. Oxygen would vanish within a few million years due to chemical reactions and CO2 dissolves easily in water and would be gone in millennia if not replaced. Both are maintained by biological productivity and geological forces seemingly working hand-in-hand to maintain reasonably steady levels over millions of years."


Come on, now, dont bullshit me.


I'm really trying hard to understand exactly what you are arguing here. You gave me a summary of historical carbon dioxide formation, and a very brief summary of the carbon cycle in of itself. How on earth does this in any way negate the rising CO2 levels in parts per million (ppm), the highest levels in 650k yrs, as well as known rising CO2 levels in the ocean (our greatest carbon sink)? I don't disagree with any of these points in that last post from Wikipedia (do you utilize any other sources, btw?), what I don't understand is how that negates any of my previous points. Please exlain in detail. And please don't be afraid to use other scientific sources to support your contentions.


___________________
Whence September dusk grows crisper still,
with leaves all crimson conquered,
I yearn to shout,
and dance about,
and stick pickles in my honker...

Old Post Feb-08-2007 02:01  United States
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MisterOpus1
Grumpy Old Fart



Registered: Dec 2001
Location: Kansas City

quote:
Originally posted by Magnetonium


Taking humans out of equation will solve all of Earth's problems. We are in the way. Earth has existed in equilibrium, co-existence and mutual benefit until some humans, who used to be part of this cycle, developed methods to control, destroy and manipulate nature, breaking the cycle, as David Suzuki points out in Sacred Cycle. WE are the problem, and we should immediately halt destruction. We've been talking and talking and talking while nothing''s being done and now we've figured out how easy it is to ignore the environmental problems if we pretend that emissions are the main problem. And the rest is history. Even the natives can clearly see how dumb we are. Great legacy for the future generations ...


And here's a post that I couldn't agree with you more on. I hope you don't think that I am arguing a position that emissions are the ONLY cause of our woes, and that they're the ONLY thing we should be concerned with. I agree wholeheartedly with your point that we should be addressing many other environmental issues as well. However, I think we cannot be dissmissive of emissions being a very serious culprit either.


___________________
Whence September dusk grows crisper still,
with leaves all crimson conquered,
I yearn to shout,
and dance about,
and stick pickles in my honker...

Old Post Feb-08-2007 02:05  United States
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Magnetonium
Dubstep = Douchestep



Registered: Sep 2001
Location: Port Burwell, Ontario, Canada

quote:
Originally posted by MisterOpus1
And here's a post that I couldn't agree with you more on. I hope you don't think that I am arguing a position that emissions are the ONLY cause of our woes, and that they're the ONLY thing we should be concerned with. I agree wholeheartedly with your point that we should be addressing many other environmental issues as well. However, I think we cannot be dissmissive of emissions being a very serious culprit either.


Great. Frankly, believe me there are professor out there that have their "evidence" to support my point, it will take too long for me to type up quotes from books, or look up reference, internet for professor lectures, "the beef" as you'd call it which can still be dismissed, but in the end we share the same consensus. Why fight? I just believe in a more direct action response. I understand very well the global warming issue, I support many points ... EXCEPT I am certain that halting of greenhouse emissions will not stop the CO2 increase (which I honestly dont see as a threat). I do see pollution, methane, chlorine and fluoride and other harmful gas emissions as very bad. However, halting environmental damage AND emissions will do wonders, though I doubt both can be achieved at once soon within each other. So I decided to go with the direct, most important factor. Please understand that. I am an environmentalist at heart, I just dont support wussy methods of drawing attention away from real, more important issues of environmental destruction that need to be addressed NOW.

I cant sit still when reading articles about stopping emissions and how Earth is warming and I dont read about the actual true damage to the environment thats the most important factor for the problems. Why why why ... To me global warming is sort of a conspiracy to protect the damage of the environment, compensating it with emissions cuts. By the time we notice that emission cuts didnt resolve the problem, the environment in 100 years will be damaged beyond repair ... it will be a time of terrible sorrow ...


___________________
Whenever you go and buy something, you are affecting someone somewhere, be it environment, a person, or a community - you're making a statement with what you buy. So make it a smart choice ... Its a big picture

Old Post Feb-08-2007 02:16  Canada
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Fir3start3r
Armin Acolyte



Registered: Oct 2001
Location: Toronto, ON, Canada
Read This!

Stop going to McRaunchie's everyone...


quote:

from the February 20, 2007 edition - http://www.csmonitor.com/2007/0220/p03s01-ussc.html
Humans' beef with livestock: a warmer planet
American meat eaters are responsible for 1.5 more tons of carbon dioxide per person than vegetarians every year.
By Brad Knickerbocker | Staff writer of The Christian Science Monitor

As Congress begins to tackle the causes and cures of global warming, the action focuses on gas-guzzling vehicles and coal-fired power plants, not on lowly bovines.

Yet livestock are a major emitter of greenhouse gases that cause climate change. And as meat becomes a growing mainstay of human diet around the world, changing what we eat may prove as hard as changing what we drive.

It's not just the well-known and frequently joked-about flatulence and manure of grass-chewing cattle that's the problem, according to a recent report by the Food and Agriculture Organization of the United Nations (FAO). Land-use changes, especially deforestation to expand pastures and to create arable land for feed crops, is a big part. So is the use of energy to produce fertilizers, to run the slaughterhouses and meat-processing plants, and to pump water.

"Livestock are one of the most significant contributors to today's most serious environmental problems," Henning Steinfeld, senior author of the report, said when the FAO findings were released in November.

Livestock are responsible for 18 percent of greenhouse-gas emissions as measured in carbon dioxide equivalent, reports the FAO. This includes 9 percent of all CO2 emissions, 37 percent of methane, and 65 percent of nitrous oxide. Altogether, that's more than the emissions caused by transportation.

The latter two gases are particularly troubling – even though they represent far smaller concentrations in atmosphere than CO2, which remains the main global warming culprit. But methane has 23 times the global warming potential (GWP) of CO2 and nitrous oxide has 296 times the warming potential of carbon dioxide.

Methane could become a greater problem if the permafrost in northern latitudes thaws with increasing temperatures, releasing the gas now trapped below decaying vegetation. What's more certain is that emissions of these gases can spike as humans consume more livestock products.

As prosperity increased around the world in recent decades, the number of people eating meat (and the amount one eats every year) has risen steadily. Between 1970 and 2002, annual per capita meat consumption in developing countries rose from 11 kilograms (24 lbs.) to 29 kilograms (64 lbs.), according to the FAO. (In developed countries, the comparable figures were 65 kilos and 80 kilos.) As population increased, total meat consumption in the developing world grew nearly five-fold over that period.

Beyond that, annual global meat production is projected to more than double from 229 million tons at the beginning of the decade to 465 million tons in 2050. This makes livestock the fastest growing sector of global agriculture.

Animal-rights activists and those advocating vegetarianism have been quick to pick up on the implications of the FAO report.

"Arguably the best way to reduce global warming in our lifetimes is to reduce or eliminate our consumption of animal products," writes Noam Mohr in a report for EarthSave International.

Changing one's diet can lower greenhouse gas emissions quicker than shifts away from fossil fuel burning technologies, Mr. Mohr writes, because the turnover rate for farm animals is shorter than that for cars and power plants.

"Even if cheap, zero-emission fuel sources were available today, they would take many years to build and slowly replace the massive infrastructure our economy depends upon today," he writes. "Similarly, unlike carbon dioxide which can remain in the air for more than a century, methane cycles out of the atmosphere in just eight years, so that lower methane emissions quickly translate to cooling of the earth."

Researchers at the University of Chicago compared the global warming impact of meat eaters with that of vegetarians and found that the average American diet – including all food processing steps – results in the annual production of an extra 1.5 tons of CO2-equivalent (in the form of all greenhouse gases) compared to a no-meat diet. Researchers Gidon Eshel and Pamela Martin concluded that dietary changes could make more difference than trading in a standard sedan for a more efficient hybrid car, which reduces annual CO2 emissions by roughly one ton a year.

"It doesn't have to be all the way to the extreme end of vegan," says Dr. Eshel, whose family raised beef cattle in Israel. "If you simply cut down from two burgers a week to one, you've already made a substantial difference."

>>Souce<<

...at the same time, I don't want to end up looking like some pale emaciated white dood, like Moby, that looks like they'll blow over in a string wind either...

...oh yea...


___________________
"...End? No, the journey doesn't end here. Death is just another path...one that we all must take.
The grey rain-curtain of this world rolls back, and all change to silver glass...and then you see it...
...white shores...and beyond...the far green country under a swift sunrise."

Old Post Feb-22-2007 07:38  Canada
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TranceAddict Forums > Other > Political Discussion / Debate > Yet another scientist jumps off the Man-Made Global Warming© ship...
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