Global warming discussion

[Matt-hurricanewatcher]

Is there any data to support the rising sea levels, and to say that they are rising today? Remember much of Antiartic is floting on the ocean, which makes the glaciers heavier-more weight=higher sea levels, if they do melt the sea level would go down? I would watch greenland, which is onland, and which needs to be watched closely, for any signs of melting, because it could really add to the sea level.

Take a glass add a ice cube, then wait a hour. After you come back the water level is no higher, or maybe even slightly lower. Yes Antartica is partly on islands, but most of the ice is on water.

[senorpepr]

Your conclusion doesn't hold up, in my opinion.

First, I wouldn't call Antarctica a bunch of islands. It is a landmass.



Antarctica without its ice-shield. This map does not consider that sea level would rise because of the melted ice, nor that the landmass would rise by several hundred meters over a few tens of thousands of years after the weight of the ice was no longer depressing the landmass.

Now... if you melt the ice and snow on Antarctica, it would rise the sea level. Your comparison between a glass of water and the ice inside doesn't hold. The ratio between the glass of water and the ice is much different than between the oceans and Antarctica.

Mind you that we talking about over 5 million square miles of SURFACE ice. Then calculate how DEEP that ice is: on average about 1.6 miles thick. That area of ice contains about 90% of the world's fresh water (via ice). All of the ice melting WOULD increase the sea level. Furthermore, if all that ice melted, the landmass would raise and expand because of the lack of weight holding it down. That, in itself, would cause the sea level to rise.

[curtadams]

The issue with Antartica is that although much ice is over land that's below sea level, it's not floating-it actually sits on the land because it's so high - up to 2 miles thick, IIRC. So if it melts, sea level does indeed go up, and quite a lot. Additionally, the parts that sit on submerged land may be particularly susceptible to rapid melting because the bottom is exposed to sea water. We don't know for sure, but that's another one of the potential catastrophes of global warming.

Great pic, senorpepr!

[Matt-hurricanewatcher]

Thank you Senopepr, for that info...


Here is what I think could be a way to stop global warming.
You know our most powerful nukes are 20 mt(20,000 kt). How about build a giant war head, with 15 or 20 of these things, and fire it into he sun. What we need is to have this go into the sun, in a way that off sets the fuel bounce. Which will kind of kick the feet from under the sun for a short time; when thats going on the sun will grow smaller as gravity pushs in. Remember the sun is in a bounce with Atoms,protons pushing outwards, and gravity trying to crush it inwards. With a smaller sun=less heat to earth, which of course off sets global warmings.

Do you think this would work???

Know the sun off bounce then have gravity take over, sure there be alot smarter people doing this, if it where to be done.

[Aslkahuna]

You could fire 15-20 MILLION 20 MT nukes on the Sun and you have no appreciable effect not to mention the fact that the thermonuclear reactions within the Sun take place in the core which you could never reach.

Steve

[Yarrah]

And do you think the nukes will be able to reach the sun? It's quite hot, even when you're not on the surface but millions of miles away from it.

And do you think that such a warhead will have any effect on a thing as big as the sun?

[kevin]

Thank you Senopepr, for that info...


Here is what I think could be a way to stop global warming.
You know our most powerful nukes are 20 mt(20,000 kt). How about build a giant war head, with 15 or 20 of these things, and fire it into he sun. What we need is to have this go into the sun, in a way that off sets the fuel bounce. Which will kind of kick the feet from under the sun for a short time; when thats going on the sun will grow smaller as gravity pushs in. Remember the sun is in a bounce with Atoms,protons pushing outwards, and gravity trying to crush it inwards. With a smaller sun=less heat to earth, which of course off sets global warmings.

Do you think this would work???

Know the sun off bounce then have gravity take over, sure there be alot smarter people doing this, if it where to be done.

It doesn't work like that. Creative though, I'll give you that.

There are mechanical ways we could delay global warming, but the problem is that it doesn't solve the problem inherent, but is rather a treating of the symptom (temperature). Once the 'solution' wears off, global warming would come back just more intense and quicker than otherwise.

[wxmann_91]

Thank you Senopepr, for that info...


Here is what I think could be a way to stop global warming.
You know our most powerful nukes are 20 mt(20,000 kt). How about build a giant war head, with 15 or 20 of these things, and fire it into he sun. What we need is to have this go into the sun, in a way that off sets the fuel bounce. Which will kind of kick the feet from under the sun for a short time; when thats going on the sun will grow smaller as gravity pushs in. Remember the sun is in a bounce with Atoms,protons pushing outwards, and gravity trying to crush it inwards. With a smaller sun=less heat to earth, which of course off sets global warmings.

Do you think this would work???

Know the sun off bounce then have gravity take over, sure there be alot smarter people doing this, if it where to be done.

NO NO NO NO and NO

1) The effect on the sun will be negligible. The sun is more powerful than a hundred million of our futile nukes.

2) Even if your idea did work, can you think of the possible catastrophes that could happen if it went the other way too far? It's like neutralizing Sulfuric acid with Sodium hydroxide. "Into the frying pan out of the fire"

3) How are we going to transport these nukes? You do realize if we carry them on a rocket, and somehow if something goes wrong, the Southeastern U.S. and the Caribbean would be decimated.

[kevin]

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

Its main conclusions are that one percent of global GDP is required to be invested in order to mitigate the effects of climate change, and that failure to do so could risk a recession worth up to twenty percent of global GDP.

I'm not a simple quack. Soon all countries around the world will be forming committees to see the true costs of messing with feedback loops. The question is whether technology can adjust fast enough to deal with two crises : climate change, and resource scarcity. I am more worried about the later, but the former complicates things a great deal. Because honestly I would go to coal during transition if necessary for civilization, but that would cause a whole host of problems.

[DrCloud]

The mainstream climate research community is involved in a discussion started by Nobel Prize winner Paul Krutzen (e.g., the August, 2006 issue of Climatic Change) about whether it's feasible to offset global warming with stratospheric aerosols (that would reflect enough sunlight to cool things back off a little). Undoubtedly, there are people cranking up global climate models to investigate this in some detail.

These folks aren't at all comfortable about talking about this, but they've recognized that limiting greenhouse-gas production isn't working. HPH

[Matt-hurricanewatcher]

I think its over, no amount of cutting Co2 will stop this. Why, because the perma frost is melting, which has billions of tons of methan; which is the biggest green house gas. We can't stop it now.

[Bunkertor]

Germany faces record temperatures of about 15 - 20 °C on thuresday !

[kevin]

I think its over, no amount of cutting Co2 will stop this. Why, because the perma frost is melting, which has billions of tons of methan; which is the biggest green house gas. We can't stop it now.

The earth is more resilient than some think. The global warming will be stopped, maybe not by us, but it will end. I doubt mankind is capable of turning Earth into Venus.

[DrCloud]

Turning Earth into Venus is a strawman argument that's been used over and over again to divert attention from the real problem: society is sensitive to much smaller changes than "nature" is.

Sure Earth will survive -- it has for a long time and through some serious forcing perturbations -- such as the K-T meteorite 60-odd million years ago. But the question of how society will fare is the concern now, not dinosaur extinction. HPH

[TexasStooge]

The weather in Moscow is so warm, that it even ruined bears' hybernation time.
_____________________________________________________________

Warm weather wrecks bears' winter slumber

MOSCOW, Russia (Reuters Life!) - Insomniac bears are roaming the forests of southwestern Siberia scaring local people as the weather stays too warm for the animals to fall into their usual winter slumber.

The furry mammals escape harsh winters by going to sleep in October-November for around six months, but in the snowless Kemerovo region where the weather is unseasonably warm, bears have no desire yet to hibernate.

Full Story Here

[Extremeweatherguy]

Here are a few interesting articles that make you second guess the intensity of GW:

http://www.bbc.co.uk/weather/world/news ... news.shtml

http://www.bbc.co.uk/weather/world/news ... news.shtml

http://www.bbc.co.uk/weather/world/news ... news.shtml

Seems like Australia has been extremely cold lately.

[Bunkertor]

Yesterday and saturday, temerature-records were equalized all over germany. In western parts of the land by 1 degree. Nearly 21 or 22 ° C measured,

[Yarrah]

New temperature-records here too. We're already experiencing the warmest autumn since measurements began 300 years ago. Second place is held by the autumn of 2005. Coincidence or global warming?

[P.K.]

As of yesterday the Autumn CET [Central England Temperture] value is 12.58C. The previous autumn record is 11.80 in 1730 and 1731. 2005 was 11.50C so its a lot warmer than last year.

[curtadams]

Is that a fair comparison, P.K.? If the autumn's not done yet then the remaining days would be expected to be colder.