Water vapour: Biggest GHG?

[Windguy]

Originally Posted by prashamk

Good find BestTimes... Lets see what the experts in here have to say about it.

I'm disappointed you don't have faith in me no more.

A genuine well thought out idea deserves a well thought out answer. So that will have to be later. (I'm working LOTS) need holiday badly.

So in the mean time, read this:

A Bigger contributor to GW than Carbon Dioxide.
It's only my theory, but I'll give you a proper answer.

[prashamk]

It not about faith windguy. I have full faith in you. Its just that knowing details about both sides is amazing. It baffeles you.

[BestTimesNow]

Studies link man-made causes to rise in humidity

"Scientists had observed significant increases in humidity at the Earth's surface over the last few decades, but it had been unclear whether these changes were from a natural or human influence on climate."

"Natural variability in climate just can't explain this moisture change. The most plausible explanation is that it's due to the human-caused increase in greenhouse gases," Santer says. His study also discounted influences from solar activity and the 1991 eruption of Mount Pinatubo.

"Roy Spencer, principal research scientist at the University of Alabama-Huntsville, says, "The main thing they're trying to show is that the recent warming and moistening in the last 30 years is outside the range of natural variability, and that man is causing the warming. The use of climate models to do this is not convincing. … The idea that you can use climate models as a surrogate for reality is circular reasoning."

Studies link man-made causes to rise in humidity - USATODAY.com

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The CO2 believer will say CO2 is heating the air which allows it to hold more moisture. Warm air can hold more moisture, but if you’re in a desert there is no moisture to evaporate. But, humans are adding billions of gallons a day , to the arid atmosphere by farming.

[BestTimesNow]

Here's some more information on the California farming study, in the prior post.

This study shows the double whammy of irrigation in California. If we left the soil in its natural state it would be light colored and reflect the solar energy back into space, but when we till the soil and irrigate the farms, the soil becomes a dark absorber of the solar energy. Then, the humidity caused by the irrigation, is a human produced greenhouse gas, which also reduces the night time cooling rate.

http://www.uah.edu/News/newsread.php?newsID=293

[prashamk]

Some eye popping facts from newscientist....

Many historic temperature data collected from northern america may have been fabricated... Checkout

...............The synoptic reports were compiled by elves and analyzed by someone who was supposed to know what they were doing. Their objective was to forecast the immediate weather which they didn’t do very well. The whole process was considered a joke by everyone who was involved in the process but we had to play along with the charade.

For numerous reasons many reports were fabricated. No one imagined their fabrications would comprise a data set that would, in future years, be used to detect minor global warming trends and trigger a panic in the world.

Some of the reasons why the reports were fabricated:

1. Their purpose was only to help with, what was considered, the futile efforts at weather forecasting, not studies on global warming. (The significance of the difference between -55F and -45F was not appreciated. Both temperatures would freeze your balls off. So why split hairs?)

2. Often, this activity interfered with our primary objective. This was because of manning problems which
would take a lot of explaining and which I will not go into.

3. Some of the other reasons for fabricating reports:

(a.) physical discomfort of leaving a warm environment and venturing out into the extreme weather conditions to read mercury thermometers located about 200 ft. from the living modules.

(b.) fear of frost bite, getting disoriented by limited visibility, or being mauled by marauding polar bears. (Did you know that more Eskimos get killed from polar bears in Greenland than die of heart attack? I have always been stoic about dying, but being mauled by a polar bear was my greatest nightmare.)

(c.) plain old laziness.

.................

If anyone is interested in the topic I suggest reading further on the following linke: Fabricating Temperatures on the DEW Line « Watts Up With That?

[BestTimesNow]

"ScienceDaily (July 29, 200 — A snapshot of New Zealand’s climate 40 million years ago reveals a greenhouse Earth, with warmer seas and little or no ice in Antarctica, according to research recently published in the journal Geology."

“Although we did not measure carbon dioxide, several studies suggest that greenhouse gases forty million years ago were similar to those levels that are forecast for the end of this century and beyond.

Our work provides another piece of evidence that, in a time period with relatively high carbon dioxide levels, temperatures were higher and ice sheets were much smaller and likely to have been completely absent.”

Snapshot Of Past Climate Reveals No Ice In Antarctica Millions Of Years Ago

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It's kind of funny that almost everyone trys to blame CO2 for warmer temperatures.

A map of the world 40-50 million years ago, when a larger percentage of the Earth was covered with water and mountain ranges were lower.

Image:Paleogene-EoceneGlobal.jpg - Wikipedia, the free encyclopedia

Does anyone doubt that a "Water World" type earth would be the warmest type Earth, with no ice caps at the poles, because 100% of the middle lattitudes would be covered with very moist air?

[Bored Wombat]

Originally Posted by BestTimesNow

It's kind of funny that almost everyone trys to blame CO2 for warmer temperatures.

Is it kind of funny that almost everyone tries to blame gravity for things falling downwards?

[flogger]

"Is it kind of funny that almost everyone tries to blame gravity for things falling downwards? "

And of course mankinds 0.054% of atmospheric gases MUST be analogous to gravity in the myopia of your AGW obsessed fantasy world bored wombat

[BestTimesNow]

I would agree with Roy Spencer about CO2.

“The role of carbon dioxide in the atmosphere's greenhouse effect is relatively small, due to the fact that CO2 is a 'trace gas' -- only 38 out of every 100,000 molecules of air are carbon dioxide. It takes a full five years of human greenhouse gas emissions to add 1 molecule of CO2 to every 100,000 molecules of air. Do we really believe that such a small influence will have catastrophic effects?”

"Al Gore likes to say that mankind puts 70 million tons of carbon dioxide into the atmosphere every day. What he probably doesn't know is that mother nature puts 24,000 times that amount of our main greenhouse gas -- water vapor -- into the atmosphere every day, and removes about the same amount every day. While this does not 'prove' that global warming is not manmade, it shows that weather systems have by far the greatest control over the Earth's greenhouse effect, which is dominated by water vapor and clouds."


Roy W. Spencer: Global Warming and Nature's Thermostat

[Bored Wombat]

Originally Posted by flogger

"Is it kind of funny that almost everyone tries to blame gravity for things falling downwards? "

And of course mankinds 0.054% of atmospheric gases MUST be analogous to gravity in the myopia of your AGW obsessed fantasy world bored wombat.

It doesn't matter what proportion of the atmosphere it is. If the physics shows that it's responsible for the warming, then it's responsible for the warming.

Much like gravity.