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  (Source: physorg.com)
Solar geoengineering involves techniques like creating low-altitude marine clouds or increasing the aerosol concentrations in the stratosphere

Much like tailoring different articles of clothing to match the weather, a new study suggests customizing solar geoengineering to compliment the needs of different regions in an effort to combat global warming.
 
Solar geoengineering is a method of fighting global warming by reflecting sunlight back into space. Solar geoengineering involves techniques like creating low-altitude marine clouds or increasing the aerosol concentrations in the stratosphere.
 
A group of researchers from the California Institute of Technology, the Carnegie Institution for Science and the U.S. Department of Energy (DOE) have created a study that shows how tailored solar geoengineering can help certain regions fight global warming as needed rather than a uniform method of solar geoengineering -- which could negatively affect weather in certain areas. 
 
Some are opposed to solar geoengineering because it can affect weather around the world. For instance, greenhouse gases suppress precipitation, and reflecting a certain amount of sunlight back into space would not restore this precipitation. Greenhouse gases and aerosols affect Earth's heat and rain in different areas in different ways. With limited sunlight, everything could change and have dramatic consequences.
 
But that's where tailored solar geoengineering comes in. Different regions would only receive the amount of reflection needed to keep weather stable, yet reduce causes of global warming. The researchers used a model to predict how this would work, and found that reflecting sunlight away from the Earth based on region and season could help fight global warming without seriously affecting weather. 
 
"There has been a lot of loose talk about region-specific climate modification," said the study. "By contrast, our research uses a more systematic approach to understand how geoengineering might be used to limit a specific impact. We found that tailored solar geoengineering might limit Arctic sea ice loss with several times less total solar shading than would be needed in a uniform case." 
 
However, the researchers did add that solar radiation management could produce uncertain outcomes.

Source: Science Daily



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could?.. how about WILL cause
By kattanna on 10/23/2012 10:39:06 AM , Rating: 3
quote:
However, the researchers did add that solar radiation management could produce uncertain outcomes


there is no "could".. there will be unknown changes..because we dont fully understand how the weather system works right now.




By geddarkstorm on 10/23/2012 11:31:31 AM , Rating: 2
I wonder if they've been watching too much Animatrix, and just couldn't wait for a robot revolution.


RE: could?.. how about WILL cause
By dgingerich on 10/23/2012 12:37:55 PM , Rating: 2
the law of unintended consequences: Anything you do with a complex system will have unintended consequences. The more complex the system, the more unintended consequences will occur, and the more likely the consequences will be negative.

you can't get much more complex than the Earth's weather system, except for perhaps the human body.


RE: could?.. how about WILL cause
By praktik on 10/23/2012 1:42:47 PM , Rating: 3
Another example might be drug policy - the road to hell is paved with good intentions, innit?


RE: could?.. how about WILL cause
By dgingerich on 10/23/2012 1:59:04 PM , Rating: 2
We have already seen in history (the history of China, for instance) what letting drugs become freely available does to a society. Current drug policy may not be pleasant, but it is the best we can do under the circumstances. If drugs, even just marijuana, become fully legal, it would tear this country apart. I, for one, am not willing to be ruled from Mexico by drug dealers.


RE: could?.. how about WILL cause
By praktik on 10/23/2012 2:40:21 PM , Rating: 2
Interesting!

quote:
If drugs, even just marijuana, become fully legal, it would tear this country apart.


Like what happened after the repeal of Volstead act?

I understand we should look to history and agree violently on that - but a selective reading of history is perhaps worse than not looking to history at all...

I would argue that the costs of prohibition far outweigh the benefits, and that your fears of chaos are more rooted in emotion than they are in fact.

The most easily understood argument against prohibition is the fact that price of illegal drugs has been declining over the decades and availability of illegal drugs has been increasing. Effective prohibition would be increasing price and decreasing availability. Just a very narrow slice of the "unintended consequences" of well-intentioned policy.

This might be an interesting read for you: http://dragon.soc.qc.cuny.edu/Staff/levine/The-Bir...


RE: could?.. how about WILL cause
By DiscoWade on 10/23/2012 1:17:36 PM , Rating: 3
I always think such ideas are either pure idiocy or money grabs or both. Think about it and for our purposes assume human produced CO2 really does cause catastrophic anthropogenic global warming. Then this proposal is basically saying that to fix the damage humans are doing to the environment we are going to damage the environment. Brilliant. At least the scientists proposing this will get a big grant so they can sleep in their big climate-controlled house.


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