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Old 01-04-2008, 11:14 PM
 
Location: Shallow alcove hidden from the telescreen
2,655 posts, read 7,171,207 times
Reputation: 1220
Cool Sigh...

Quote:
Originally Posted by bungalowbob View Post
Man is vain. Global Warming is total nonsense.
Quote:
Originally Posted by kidcanaduh View Post
Why do we care if the ice melts in the north?
Quote:
Originally Posted by Niners fan View Post
I tend to think that nature has more to do with it than mankind. ...
Well, this is -- simply stated -- getting boring. Thread Tools > Unsubscribe...
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Old 01-05-2008, 04:41 AM
 
1,764 posts, read 3,760,139 times
Reputation: 735
Quote:
Originally Posted by kidcanaduh View Post
There was no ice in the Arctic or Greenland 3 million years ago.
Yeah, but 3 million years ago there were no humans on the earth!!
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Old 01-05-2008, 03:08 PM
 
Location: Rockford, IL
71 posts, read 234,688 times
Reputation: 25
Please don't buy into what you hear or read about global warming, it has gone way overboard. Watch the Discovery channel and see how many times our earth has changed. It went from being nothing but a volcanic-lava planet, to an extreme ice age. It's natural for our earth to go through changes, it's been a long time since our last major climate changed here on earth, and I think our earth is just slowly getting ready to start change again. Us as humans are just a small little part of the problem.

Volcano eruptions produce more harmful gases to the atmosphere. Everytime a volcano erupts, it influences the greenhouse effect, the ozone, and contributes to haze. This is all part of the cycle of our earth. Just look at the current activity of the "Ring of Fire" with more and more earthquakes each year with increase magnitudes on the richeter scale. There are no know human contribution to earthquakes, it's part of the change. Weather patterns change, plate techtonics change, and so does the cosmetics of our earth, it's been happening since the beginning of time.

It's just a way for the government to impose another tax on it's citizens, the "Global Warming" tax to mandate industries on production. Hey, I am all for clean air and if we can get rid of smog by improving car exhausts, then let's do it. But to say that we are the sole cause of global warming is insane. The earth is going to change with or without our influences.
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Old 01-05-2008, 05:13 PM
 
433 posts, read 1,625,404 times
Reputation: 295
I look forward to new estuaries and an expanded ocean. A 20 foot rise would be wonderful. All those former atolls and islands will make great fishing reefs. And think of all the extra water vapor available for clouds and rainfall worldwide. This water potential is wasted in ice! We may turn this planet into the Garden of Eden yet.

Water World is good for fish and all living creatures.
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Old 01-05-2008, 05:32 PM
 
550 posts, read 822,522 times
Reputation: 123
Why do people believe the ocean would rise if the Arctic and Greenland melted?

Is it because Al Gore says so?

The polar ice cap in the Arctic sits in an ocean; the Arctic ocean. If it melts the water will fill the space the ice is currently occupying. The ice is only 8 feet thick in the summer and up to 20 feet thick in the winter. This isn't enough to raise the ocean level if melted.

When the ice melts in the summer (from 20 feet thick back to 8 feet thick) the oceans don't rise. If the other 8 feet completely melted too it is not enough to raise ocean levels at all, nevermind by 20 feet.

Greenland is the size of South America. Its ice is 1000s of feet thick. However, Greenland's bedrock is at sea level. If all the ice on Greenland melted the ocean would increase in size, and the increase would be the size of South America. All the melted water would fill the space currently filled with ice on Greenland.

Once the area in Greenland fills with water the rest of the water, if any, might rise the rest of the oceans by a foot, at best. This is hardly anything to worry about.

The Antartic isn't melting, it's getting colder there. So no worries there either, or at least not yet.
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Old 01-06-2008, 12:24 AM
 
Location: Rockford, IL
71 posts, read 234,688 times
Reputation: 25
Our views on climate change keep changing anyway. Wasn't back in the 80s when they said that the plantet was going to get colder and experience another ice age? And now we are saying that the planet is warming and the ice caps are melting? I don't think anyone can predict the earth's changes.
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Old 01-06-2008, 02:08 AM
 
Location: Northridge/Porter Ranch, Calif.
18,262 posts, read 15,699,759 times
Reputation: 4472
Quote:
Originally Posted by FormerStocktonian View Post
Our views on climate change keep changing anyway. Wasn't back in the 80s when they said that the plantet was going to get colder and experience another ice age? And now we are saying that the planet is warming and the ice caps are melting? I don't think anyone can predict the earth's changes.
It was back in the '70s, actually, but it lasted into the '80s.
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Old 01-06-2008, 10:05 AM
 
1,764 posts, read 3,760,139 times
Reputation: 735
Quote:
Originally Posted by kidcanaduh View Post
Why do people believe the ocean would rise...

Greenland is the size of South America. Its ice is 1000s of feet thick. However, Greenland's bedrock is at sea level. If all the ice on Greenland melted the ocean would increase in size, and the increase would be the size of South America. All the melted water would fill the space currently filled with ice on Greenland.

Once the area in Greenland fills with water the rest of the water, if any, might rise the rest of the oceans by a foot, at best. This is hardly anything to worry about.

The Antartic isn't melting, it's getting colder there. So no worries there either, or at least not yet.
Part of what scientists are saying is that enormous quantities of ice are sitting on top of solid rock, and that when it melts, ocean levels will rise significantly.

The Antarctic does appear to be warming, and more rapidly than expected. The Ross Ice Shelf broke up just recently, which wasn't "supposed" to happen for many years. Antarctic ice shelfs hold enormous amounts of ice/snow in place.

The increases in global temps are the greatest at the poles, close to 12 degress, vs. at the equator, which is closer to 1.5 degrees. The increasing heat is most concentrated where the most ice is.
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Old 01-06-2008, 09:40 PM
 
Location: Boise, ID
1,355 posts, read 3,833,587 times
Reputation: 830
Quote:
Originally Posted by Tim Rankin View Post
The Antarctic does appear to be warming, and more rapidly than expected. The Ross Ice Shelf broke up just recently, which wasn't "supposed" to happen for many years. Antarctic ice shelfs hold enormous amounts of ice/snow in place.
Most of the Antarctic is actually cooling:

ICECAP
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Old 01-06-2008, 10:21 PM
 
550 posts, read 822,522 times
Reputation: 123
It's so cold there that even with an increase in temps it's not enough to melt the ice, or at least much of it given how short its summer is.

In the summer the Antarctic is the side of the USA. In the winter the sea ice freezes and the Antarctic becomes the size of Canada and the USA combined.

A few months ago, a cruise ship from Canada hit an under water ice cube while crusing in open water. The ship sank, but before it did, the ship was encased in ice in a matter of hours. That's how cold it is even in summer, and fast the sea ice forms.


TheStar.com | World | Canadian cruise ship sinks in Antarctic




The B-15 ice cube broke away from the shelf a few years ago (the world's largest iceberg) and it contained 300 billion dollars worth of fresh water.

Iceberg B-15 - Wikipedia, the free encyclopedia
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