Gulf stream slows down

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vern humphrey:
Yet those who want to rouse us over global warming only go back a few hundred years.
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Actually, I think the global warming wakkos only go back to a certain point in the 1800’s. If I remember right, there was a period of time in the 1800’s that was exceptionally cold. They started at that point so the statistics will be more in favor of their false science.

PF
 
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WanderAimlessly:
Actually, I think the global warming wakkos only go back to a certain point in the 1800’s. If I remember right, there was a period of time in the 1800’s that was exceptionally cold. They started at that point so the statistics will be more in favor of their false science.

PF
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They have a couple of tricks – one is going back to the 1800s because that’s as far back as we have accurate records. It’s also because it was cold – 1816 was called “the year with no summer.” When they go back farther, they go back to the Little Ice Age (which we were just coming out of in the 1800s.)
 
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WanderAimlessly:
Actually, I think the global warming wakkos only go back to a certain point in the 1800’s. If I remember right, there was a period of time in the 1800’s that was exceptionally cold. They started at that point so the statistics will be more in favor of their false science.

PF
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They have a couple of tricks – one is going back to the 1800s because that’s as far back as we have accurate records. It’s also because it was cold – 1816 was called “the year with no summer.” When they go back farther, they go back to the Little Ice Age (which we were just coming out of in the 1800s.)
 
  1. The physics of the greenhouse effect have been known for >100 years. Increase greenhouse gases in an atmosphere = increased temperatures.
  2. Greenhouse gases in our atmosphere have drastically increased in the recent past, and man is undeniably responsible.
  3. Global temperatures have been warming.
QED? Probably, but for good measure we can add:
  1. The rate of change of temperature increase is much more than would be expected in any “natural” model.
No one denies global warming in the scientific community.
 
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norbert:
Global warming has nothing to do with ozone depletion. These are totally different issues. Do some reading.
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Do some reading? What good will that do? I’m reading your post as you so aptly demonstrate that reading can be useless…

Alan
 
IF there is global warming, shouldn’t we be looking at the effects? We may find that it will be a net good for the earth to be warmer. In fact, we really don’t know if the cost of stopping the warming trend is worth any benefit, let alone more benefit than doing nothing.
 
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SnorterLuster:
IF there is global warming, shouldn’t we be looking at the effects? We may find that it will be a net good for the earth to be warmer. In fact, we really don’t know if the cost of stopping the warming trend is worth any benefit, let alone more benefit than doing nothing.
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Given that global warming and cooling occurrs naturally, we can’t reverse it, nor can we stop it. What we should do is look for ways to minimize the harmful effects and capitalize on the beneficial effects.

We can’t do that if we bankrupt ourselves trying to do something that we can’t do anyway.
 
norbert said:
1. The physics of the greenhouse effect have been known for >100 years. Increase greenhouse gases in an atmosphere = increased temperatures.
  1. Greenhouse gases in our atmosphere have drastically increased in the recent past, and man is undeniably responsible.
Click to expand...

Yes, man has put gases into the atmosphere that wouldn’t have been there without us. I guess that is undeniable.
  1. Global temperatures have been warming.
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That is correct, but did not start with the advent of the internal combustion engine. There once was an ice age, but it’s over for now.
  1. The rate of change of temperature increase is much more than would be expected in any “natural” model.
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Say some.
No one denies global warming in the scientific community.
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I’m trying to agree with you. Which scientific community are you referring to, the Church of Al Gore discipleship? You are right.

No one who is correctly informed denies Transubstantiation either, but we admit that it is an article of faith and cannot be scientifically proven.

Alan

P.S. Just a hunch, but did you vote for Al Gore for president?
 
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AlanFromWichita:
Do some reading? What good will that do? I’m reading your post as you so aptly demonstrate that reading can be useless…

Alan
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Norbert is right, Alan. Ozone depletion and global warming are not related.

Peace

Tim
 
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walstan:
Actually your right… and wrong. Try the following link for those that are new to the ozone debate.

epa.gov/ozone/science/unepSciQandA.pdf
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Thanks for the link. You are right and I was wrong. There is a small link between the two. Interestingly, depletion of stratosperic ozone actually yields a cooling effect, slowing down the atmospheric warming caused by the other greenhouse gasses.

Peace

Tim
 
space ghost:
…when the planet was in the grip of the ice age, was global warming a good thing?:confused:
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Not if you were a motel owner… They still haven’t recovered from the ice shortage :whistle:
 
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Orogeny:
Thanks for the link. You are right and I was wrong. There is a small link between the two. Interestingly, depletion of stratosperic ozone actually yields a cooling effect, slowing down the atmospheric warming caused by the other greenhouse gasses.

Peace

Tim
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Unfortunately it also reduces rainfall and rainfall is the bigest reducer of CO2 in the atmosphere. Rain picks up CO2 as it falls. This is in turn deposited in rocks by filtration, usually limestone, and locked. Only as the limestone is absorbed into the earths mantle due to continental drift is the CO2 released as a free agent to be expelled at some time in volcanic activity. Its a very complex model. Warming of the planet in turn creates more rain so theoretically this should, in turn reduce CO2, unfortunately warming also alters and depletes such things as the Gulf Stream which in turn lessens the amount of plankton in the water which is itself the second most effecient absorber of CO2 and, as most rain falls on the ocean (it is 7/10ths of the surface after all) it simply recycles without being bound. Bloody unco-operative if you ask me!!!
 
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walstan:
Unfortunately it also reduces rainfall and rainfall is the bigest reducer of CO2 in the atmosphere. Rain picks up CO2 as it falls. This is in turn deposited in rocks by filtration, usually limestone, and locked.
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Well, the dissolved CO2 creates a weak acid that reacts with limestone. Limestone deposition is largely the result of biological activity.
Warming of the planet in turn creates more rain so theoretically this should, in turn reduce CO
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2, unfortunately warming also alters and depletes such things as the Gulf Stream which in turn lessens the amount of plankton in the water which is itself the second most effecient absorber of CO2 and, as most rain falls on the ocean (it is 7/10ths of the surface after all) it simply recycles without being bound. Bloody unco-operative if you ask me!!!

An interesting article from a couple of days ago.
earthobservatory.nasa.gov/Newsroom/NasaNews/2005/2005030218443.html

Peace

Tim
 
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Orogeny:
Well, the dissolved CO2 creates a weak acid that reacts with limestone. Limestone deposition is largely the result of biological activity.

An interesting article from a couple of days ago.
earthobservatory.nasa.gov/Newsroom/NasaNews/2005/2005030218443.html

Peace

Tim

Yes, very interesting but still a lot of work to do. The comments on “Mixing” are interesting in that the greatest mixing “machine” in the Atlantic Ocean is the Gulf Stream. As it dives down off the coasts of Scotland and Iceland it forces nutrient rich colder water to the surface. It is this loss of nutrients due to the lessening of the Gulf Stream that will have an impact on global warming decreasing the amount of phytoplankton in the mid atlantic (already seen and referred to in the report).

The conjecture as to the cause of the growth of phytoplankton in the coastal regions do raise some concerns. If it shown to be due to “run off” from land applied chemicals the effects are liable to be long term. Seepage of these materials from land to sea is measured in hundreds rather than tens of years.

But don’t worry, as many of the people on this forum will tell you “it’s not out fault, it’s the earth!!”
 
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walstan:
Yes, very interesting but still a lot of work to do. The comments on “Mixing” are interesting in that the greatest mixing “machine” in the Atlantic Ocean is the Gulf Stream. As it dives down off the coasts of Scotland and Iceland it forces nutrient rich colder water to the surface. It is this loss of nutrients due to the lessening of the Gulf Stream that will have an impact on global warming decreasing the amount of phytoplankton in the mid atlantic (already seen and referred to in the report).

The conjecture as to the cause of the growth of phytoplankton in the coastal regions do raise some concerns. If it shown to be due to “run off” from land applied chemicals the effects are liable to be long term. Seepage of these materials from land to sea is measured in hundreds rather than tens of years.

But don’t worry, as many of the people on this forum will tell you “it’s not out fault, it’s the earth!!”
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So what’s your solution? Can we reverse global warming? If so, how?
 
vern humphrey:
So what’s your solution? Can we reverse global warming? If so, how?
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Do you really think that if I had the answer to that question I would be spending my time on this forum winding up Americans?:tiphat: (Before we all get carried away, that was a joke!!!)
 
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