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Current idea that cold is from global warming fundamentally flawed?
Posted on 1/11/14 at 8:05 am
Posted on 1/11/14 at 8:05 am
So, I never heard of the polar vortex before this cold snap.
In hearing that the cold temperatures could be from global warming that has resulted in melting of arctic ice, and then learning that arctic ice has increases profoundly in recent years, I read up on it a bit and came away with questions.
How is this theory not an outright lie?
How can you theorize that the cause is from melting, when it's been freezing now in a remarkable way?
In the 2 minute video below, the guy talks about increased warming relative to other latitudes. So, is it a relative air temperature difference that they are basing this on? Is there an air temperature component that is warming, that exists even with the gain in sea ice? (I could not find data on arctic air temperature patterns.)
Is there a chronological component to this that I am not aware of, thus this exists because of previous warming?
Are they disputing that ice is increasing?
Links for reference
LINK
LINK
LINK
In hearing that the cold temperatures could be from global warming that has resulted in melting of arctic ice, and then learning that arctic ice has increases profoundly in recent years, I read up on it a bit and came away with questions.
How is this theory not an outright lie?
How can you theorize that the cause is from melting, when it's been freezing now in a remarkable way?
In the 2 minute video below, the guy talks about increased warming relative to other latitudes. So, is it a relative air temperature difference that they are basing this on? Is there an air temperature component that is warming, that exists even with the gain in sea ice? (I could not find data on arctic air temperature patterns.)
Is there a chronological component to this that I am not aware of, thus this exists because of previous warming?
Are they disputing that ice is increasing?
Links for reference
LINK
LINK
LINK
This post was edited on 1/11/14 at 8:19 am
Posted on 1/11/14 at 9:47 am to KnoxvilleBerryTiger
It's not a lie that global warming can cause a sudden onset of cold climate.
It is a geological fact.
I'm not well versed on the polar vortex, but I have thoroughly studied Ice Age climates. Studying paleoecology is a hobby of mine.
Toward the end of the last Ice Age, natural forcing caused average annual temperatures to rise suddenly. This caused rapid melting of glacial ice. This cold meltwater became locked behind giant ice dams. When thes ice dams burst, billions of gallons of cold freshwater plus ice bergs and rafted debris flooded into the North Atlantic. This huge amount of cold freshwater shut down thermohaline circulation--the ocean currents that moderate climates.
This caused a sudden drop in worldwide average annual temperatures precipitating a 1500 year cold snap known as the Younger Dryas--it became as cold as the Ice Age again.
This cyclical event has occurred multiple times over the last 7 millions years, but especially over the last 2.4 million years. It happens more frequently and with greater intensity during Ice Ages.
There is abundant geological evidence of these events, known as Heinrich Events. At the bottom of the ocean there are rocks called dropstones and lots of debris including fossil trees that were carried out to sea by these floods. There are even visible drag marks off the coast of South Carolina where icebergs half ran aground on the ocean bottom.
It is a geological fact.
I'm not well versed on the polar vortex, but I have thoroughly studied Ice Age climates. Studying paleoecology is a hobby of mine.
Toward the end of the last Ice Age, natural forcing caused average annual temperatures to rise suddenly. This caused rapid melting of glacial ice. This cold meltwater became locked behind giant ice dams. When thes ice dams burst, billions of gallons of cold freshwater plus ice bergs and rafted debris flooded into the North Atlantic. This huge amount of cold freshwater shut down thermohaline circulation--the ocean currents that moderate climates.
This caused a sudden drop in worldwide average annual temperatures precipitating a 1500 year cold snap known as the Younger Dryas--it became as cold as the Ice Age again.
This cyclical event has occurred multiple times over the last 7 millions years, but especially over the last 2.4 million years. It happens more frequently and with greater intensity during Ice Ages.
There is abundant geological evidence of these events, known as Heinrich Events. At the bottom of the ocean there are rocks called dropstones and lots of debris including fossil trees that were carried out to sea by these floods. There are even visible drag marks off the coast of South Carolina where icebergs half ran aground on the ocean bottom.
Posted on 1/11/14 at 9:55 am to samson'sseed
So the earth heals itself, right?? What arrogant fools we would be to mess with the Earth's natural cycles
Posted on 1/11/14 at 9:59 am to KnoxvilleBerryTiger
While we were experiencing the polar vortex, Australia was experiencing a record heat wave.
There's a reason it's called global climate change.
There's a reason it's called global climate change.
Posted on 1/11/14 at 10:07 am to DCRebel
I am not disputing or supporting the idea that global warming could make areas colder.
What I want to know is if those stating that this cold IS ,in fact, from warming, what warming are they basing this on? What I am reading states that the area in question is cooling, or more specifically increasing in freezing.
What measure are they using to support that this is from warming that I do not see?
What I want to know is if those stating that this cold IS ,in fact, from warming, what warming are they basing this on? What I am reading states that the area in question is cooling, or more specifically increasing in freezing.
What measure are they using to support that this is from warming that I do not see?
Posted on 1/11/14 at 12:17 pm to KnoxvilleBerryTiger
Good grief. Weather is not climate and the singular of data isn't anecdote.
Posted on 1/11/14 at 12:29 pm to DCRebel
quote:
There's a reason it's called normal climate fluctuations.
Fify
Posted on 1/11/14 at 1:12 pm to samson'sseed
quote:
This cold meltwater became locked behind giant ice dams. When thes ice dams burst, billions of gallons of cold freshwater plus ice bergs and rafted debris flooded into the North Atlantic.
I read about that somewhere. Some guy named Noah. There's a movie about it coming out in March
quote:
This cyclical event has occurred multiple times over the last 7 millions years, but especially over the last 2.4 million years. It happens more frequently and with greater intensity during Ice Ages.
And what was missing during those ages?
Hmmm?
Humans!
So, technically it should be called Earthmade global warming (and cooling, it now appears)
Posted on 1/11/14 at 1:37 pm to DCRebel
quote:
While we were experiencing the polar vortex, Australia was experiencing a record heat wave.
There's a reason it's called global climate change.
there is no reasoning with the extreme low information person like yourself
Posted on 1/11/14 at 5:23 pm to Strannix
Role of man aside, is this theory completely bogus?
This post was edited on 1/11/14 at 5:24 pm
Posted on 1/11/14 at 7:24 pm to samson'sseed
Good Grief
The earth has cycles and mans affect is minimal.
The earth has cycles and mans affect is minimal.
Posted on 1/11/14 at 7:32 pm to samson'sseed
If "global warming" or "climate change" were man made, what realistically could be done to stop it at this point? And if it could be stopped, what are taxes going to do to stop it? We obviously don't need to research it anymore because I've been told numerous times that it is a scientifically proven fact already.
The simple fact is is that the left doesn't give two shits about stopping "climate change." If they did they would just make a law shutting down all harmful pollutants in the country. And then force developing countries to stop polluting as well. Of course they would just tell us to frick off because not everyone is stupid enough to just shut down their economy to save the planet.
But it's the planet we're talking about!!!! Are we going to use military force to stop people from driving cars and shut down all the power plants. It would definitely be worth the blood and treasure. We only have one Earth after all. Nothing should be off the table.
The simple fact is is that the left doesn't give two shits about stopping "climate change." If they did they would just make a law shutting down all harmful pollutants in the country. And then force developing countries to stop polluting as well. Of course they would just tell us to frick off because not everyone is stupid enough to just shut down their economy to save the planet.
But it's the planet we're talking about!!!! Are we going to use military force to stop people from driving cars and shut down all the power plants. It would definitely be worth the blood and treasure. We only have one Earth after all. Nothing should be off the table.
Posted on 1/11/14 at 7:50 pm to samson'sseed
quote:What was the source of this "natural forcing"?
Toward the end of the last Ice Age, natural forcing caused average annual temperatures to rise suddenly.
Posted on 1/11/14 at 9:01 pm to KnoxvilleBerryTiger
The idea that humans have enough power to destroy the earth is laughable.
We aren't much more than giant ants, not gods.
Get over yourselves.
We aren't much more than giant ants, not gods.
Get over yourselves.
Posted on 1/11/14 at 9:44 pm to TrueTiger
quote:Dumb is dumb.
The idea that humans have enough power to destroy the earth is laughable.
Posted on 1/11/14 at 11:08 pm to GeauxxxTigers23
quote:
what are taxes going to do to stop it
especially considering China, Russia and other countries with huge populations, significant landmass, and no reason to listen to the US or our allies are polluting exponentially more than we are. (sorry, i replied before finishing your whole post, where you touch on this.)
This post was edited on 1/11/14 at 11:10 pm
Posted on 1/11/14 at 11:14 pm to KnoxvilleBerryTiger
If we could just figure out how to keep the sun at one level output versus these unnatural flares.
Posted on 1/11/14 at 11:24 pm to KnoxvilleBerryTiger
The theory of warming triggering major cooling has to do with two interrelated parts of the earth's climatic system: salinity and heat flow in the atlantic ocean.
The theory revolves around what is known as the north atlantic conveyer system (of which the gulf stream is a part) which consists of ocean currents that take warm air from the tropics north towards Iceland which then sinks as it cools and flows back south. This helps to keep temperatures more mild in the northern Europe and Canada than they would be otherwise. What allows this to happen is that salinity varies both in temperature and depth and has a huge effect on buoyancy (for example, you are far more buoyant in the Dead Sea than in a fresh water lake). This allows the cold water to sink beneath the warm and flow south.
The theory as related to global warming states that as temperatures across the world increase, more arctic ice will melt, adding more freshwater to the north Atlantic Ocean. This change in salinity will reach a tipping point where the cold water will no longer be able to sink beneath the warm water mass and flow south, causing the conveyor to grind to a halt.
Without this flow of energy, Europe and North America get colder and wetter while the tropics get hotter and dryer. This has been observed at times throughout the ice ages.
The fear is that man is contributing to warming, therefor accelerating the process. Personally, i think man-driven agw is hogwash thanks to my knowledge of climate and modeling techniques.
The theory revolves around what is known as the north atlantic conveyer system (of which the gulf stream is a part) which consists of ocean currents that take warm air from the tropics north towards Iceland which then sinks as it cools and flows back south. This helps to keep temperatures more mild in the northern Europe and Canada than they would be otherwise. What allows this to happen is that salinity varies both in temperature and depth and has a huge effect on buoyancy (for example, you are far more buoyant in the Dead Sea than in a fresh water lake). This allows the cold water to sink beneath the warm and flow south.
The theory as related to global warming states that as temperatures across the world increase, more arctic ice will melt, adding more freshwater to the north Atlantic Ocean. This change in salinity will reach a tipping point where the cold water will no longer be able to sink beneath the warm water mass and flow south, causing the conveyor to grind to a halt.
Without this flow of energy, Europe and North America get colder and wetter while the tropics get hotter and dryer. This has been observed at times throughout the ice ages.
The fear is that man is contributing to warming, therefor accelerating the process. Personally, i think man-driven agw is hogwash thanks to my knowledge of climate and modeling techniques.
Posted on 1/12/14 at 8:29 am to NC_Tigah
Orbital variations that alter the amount of solar radiation reaching earth.
Posted on 1/12/14 at 8:31 am to TrueTiger
quote:
The idea that humans have enough power to destroy the earth is laughable.
Wow. I'm glad this attitude is rare outside of the poli board.
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