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NASA: North Atlantic 'Cold Blob' May be Culprit Behind Ocean Current Slowdown

WCH

WCH

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A major player in the transportation of heat in the Atlantic Ocean is slowing down and may affect higher latitude climates in the Northern Hemisphere, according to a NASA analysis of satellite data.
The "cold blob" that developed off Greenland may be the drag on the Atlantic Meridional Overturning Circulation (AMOC) by producing very chilly to record cold water, the National Oceanic and Atmospheric Administration (NOAA) said earlier this year.

snip...


NASA: North Atlantic 'Cold Blob' May be Culprit Behind Ocean Current Slowdown - AccuWeather.com

Global warming may be responsible for AMOC's slowdown but natural forces may also be at work, NASA said.


Now it'a down to *may*
 
Too hot, too cold, too wet, too dry whatever happens as usual its all our fault.

I wonder what kind of weather circumstance would have to exist where we weren't automatically blamed for it ? :roll:
 
flogger said:
Too hot, too cold, too wet, too dry whatever happens as usual its all our fault.

I wonder what kind of weather circumstance would have to exist where we weren't automatically blamed for it ? :roll:
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We must kill all humans so that the Earth will be saved for our off-spring that will never be born.
 
flogger said:
Too hot, too cold, too wet, too dry whatever happens as usual its all our fault.

I wonder what kind of weather circumstance would have to exist where we weren't automatically blamed for it ? :roll:
Click to expand...

There is none. However the 'people in the know' are starting to doubt their own conclusions in spots.
 
flogger said:
Too hot, too cold, too wet, too dry whatever happens as usual its all our fault.

I wonder what kind of weather circumstance would have to exist where we weren't automatically blamed for it ? :roll:
Click to expand...

Isn't that the truth.

Thing is, the Atlantic cycle is a known variable. They ignore the fact that it helped in the rapid increase of temperture, and is not going th other direction.

They continually misinform us of the sciences known of the natural variables, and claim it's greenhouse gases when ever they can.
 
flogger said:
Too hot, too cold, too wet, too dry whatever happens as usual its all our fault.

I wonder what kind of weather circumstance would have to exist where we weren't automatically blamed for it ? :roll:
Click to expand...

Uhh, they clearly didn't automatically blame us
 
flogger said:
So whats the problem then and why should we care ?
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Because it may be our fault. Something we might want to figure out.

Although I'm more interested in what the actual report says, rather than accuweather.com
 
flogger said:
Too hot, too cold, too wet, too dry whatever happens as usual its all our fault.

I wonder what kind of weather circumstance would have to exist where we weren't automatically blamed for it ? :roll:
Click to expand...

As long as enough people make it profitable to blame man, be it monetary or political power, then man will be blamed for rain, sun, cold, hot, butterfly farts and lack of said farts.
 
Renae said:
As long as enough people make it profitable to blame man, be it monetary or political power, then man will be blamed for rain, sun, cold, hot, butterfly farts and lack of said farts.
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And it's not profitable for anyone to do the opposite? No industry representing trillions of dollars in subsidies that might want to hang on to those subsidies?
 
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Deuce said:
And it's not profitable for anyone to do the opposite? No industry representing trillions of dollars in subsidies that might want to hang on to those subsidies?
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Oh, yeah, It's all about "Big Oil", you got me. They are really out for profit over clean, renewable, cheap energy. An the politicians are HELPLESS to stop them. It's a huge conspiracy.
 
Lord of Planar said:
Isn't that the truth.

Thing is, the Atlantic cycle is a known variable. They ignore the fact that it helped in the rapid increase of temperture, and is not going th other direction.

They continually misinform us of the sciences known of the natural variables, and claim it's greenhouse gases when ever they can.
Click to expand...

Scientists have known for years that the melting of the glaciers on Greenland would cause the Gulf Stream to be disrupted sending Great Britain into a climate commensurate with their Latitude which is the same as Nova Scotia. This may be the beginning of that effect.

Planet Extinction - Greenland and the Collapse of the Ice Shields
 
Renae said:
Oh, yeah, It's all about "Big Oil", you got me. They are really out for profit over clean, renewable, cheap energy. An the politicians are HELPLESS to stop them. It's a huge conspiracy.
Click to expand...

Profit motive was your criticism, not mine. Suddenly you don't give a **** when it's fossil fuel industry profits? How come "GREENIES MAKE MONEY RAAARRGH" is valid but "fossil fuel subsidies are far larger" isn't a valid counterpoint?
 
iguanaman said:
Scientists have known for years that the melting of the glaciers on Greenland would cause the Gulf Stream to be disrupted sending Great Britain into a climate commensurate with their Latitude which is the same as Nova Scotia. This may be the beginning of that effect.

Planet Extinction - Greenland and the Collapse of the Ice Shields
Click to expand...

That's what an activist site called Planet Extinction says.

I consider it a waste of time when someone links activist blogs that don't source their claims.

Can you give me their source links from scientific journals they used?

I didn't think so.

How about their qualifications to be listened to?


John James - Professionally, I have been trained to assimilate large amounts of data and find the patterns in it. I have applied this ability to medieval history and to transpersonal therapy, and now to the material collected on this site. I can no longer stand by when I see how my children and grandchildren could suffer from the greed and selfishness of my generation. For more information on my work John James Medieval Architecture Gothic architecture Chartres cathedral Australia research transpersonal psychotherapy vanishing twin twins and on the training's and workshops of the Crucible Centre The Crucible Centre.

Alan Williams Alan Williams - I’m a geographer, and worked for over 15 years in the oil & gas industry. As father of two beautiful teenage girls I cannot sit on my hands and watch as short-term government and industry self-interests destroy our world. My training showed me that it CAN be in the interests of industry to become carbon-neutral, and that as individuals, we CAN do something to leave a positive legacy so our children may be proud of us.

Sue PearsonSue Pearson – I am a mother of two teenage boys and have built a design and retail business over the last 25 years. By constantly responding to changing market and consumer directions my forte has become creative problem-solving and forecasting future trends. I believe we are now reaching a critical stage in human evolution which is inextricably linked to the health of the planet. As world renowned nutritionalist Nathan Pritikin said, “If you would rather die than change your ways then you will”. It is imperative that we start making changes now to ensure a sustainable future for our children. Who knows, it may turn out to be even better than we thought possible.

Colin Crawford-Smith - I have been an environmental advocate and have worked in the energy sector since 1980, and recently for positive change in business to reduce greenhouse emissions. I have focused my expertise reducing emissions in the energy industries and on all aspects of green energy markets, technologies & regulation. I have built a successful consulting business, GreenPower Services, around the expansion of zero & low emission energy supply and the installation energy efficiency measures across Australia. In 1994 I was a founder of the Green Power products now offered by nearly all retail electricity companies in the country who collectively are now serving 300,000 customers Australia wide and still growing.
​

You liberals are all alike. Live on confirmation bias. It's true if it agrees with what you already believe.

Please stop wasting our time.
 
Lord of Planar said:
That's what an activist site called Planet Extinction says.

I consider it a waste of time when someone links activist blogs that don't source their claims.

Can you give me their source links from scientific journals they used?

I didn't think so.

How about their qualifications to be listened to?


J
You liberals are all alike. Live on confirmation bias. It's true if it agrees with what you already believe.

Please stop wasting our time.​
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LOL It is deniers that use blogs and other non-science avenues to citique published scientific theory.
There are certainly many scientific papers on the relationship of Glacier melt and Ocean circulations. Here is but one

http://www.nature.com/articles/nclimate2688.epdf?referrer_access_token=CGVaob1YtZR55BWcgBX1V9RgN0jAjWel9jnR3ZoTv0OX9UeEvSyNtpgXiW3sobhLUwCoh3HyEnUDlJ57lrEHRIeDm-7OLsTI9U9eVN2Tio2caEEeVXR1_dU8-LSAu49S-k277ibm-2fxXWFtaF5PYFbi3i8Ol5xdCLqCOAZa2YUr-pkX61W5ShJuiIJQDMrXaveZt7mkq_kKqtjayO2nKBBtPU2f9GkQ18WCZOb-aWrEoUdItvPyM-vEEQKox7LaxElud4xnV-xv81j40MUaFJ8UJXgSxr-V5MEJ36Htqv0SrYgrt0-ua-bTBC7ETrapqbJYOxjaKmrY-qxBPP4o7w%3D%3D&tracking_referrer=www.washingtonpost.com

Not to mention the already observed weakening of the Gulf Stream.

POTSDAM, Germany, March 23 (UPI) -- The Gulf Stream is the weakest it's been in the last 1,000 years. And as glacier melt in the Arctic continues to accelerate, the foot of the Atlantic's most powerful ocean current keeps pressing harder and harder on the brake pedal.
A team of researchers recently analyzed an exhaustive catalog of geologic samples -- including ice cores, tree rings and coral, as well as ocean and lake sediments -- dating back to the year 900. Using sea-surface and atmospheric temperature data derived from the samples, scientists were able to plot a history of ocean current behavior.
Click to expand...

Melting glaciers are slowing down the Gulf Stream - UPI.com​
 
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iguanaman said:
LOL It is deniers that use blogs and other non-science avenues to citique published scientific theory.
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How can you say that with any credibility?

I specified blogs without good source links.

Your link only gave other internal links. No source links.

If you notice, I rarely link blogs. The few blogs that a few skeptics here do link, are very, very well source.

I hace to ask. Are you a troll? You most certainly aren't contributing to a debate.

iguanaman said:
There are certainly many scientific papers on the relationship of Glacier melt and Ocean circulations. Here is but one
Click to expand...
Yes, and I have a subscription to nature Climate change. I go by what journals say. Not bloggers like your precious Planet Extinction. Who knows how much they hyped up.

iguanaman said:
Not to mention the already observed weakening of the Gulf Stream.

Melting glaciers are slowing down the Gulf Stream - UPI.com
Click to expand...
Whoop-t-do...

A news organization.

These things are cyclical. So what?

Besides, nobody is saying it isn't occurring. There are both natural and anthropogenic forces at play. Just throwing out a blog doesn't do much.

Notice that the letter in the September edition of Nature Climate Change is not a peer reviewed paper either. It is a letter!

Consider the implications of this paragraph:


Observations, proxies and model simulations suggest that a recent
weakening of the AMOC has occurred. Furthermore, models
predict that such a slowdown will continue as a result of increasing
greenhouse gas concentrations. Such a weakening of the
AMOC would have drastic impacts on the climate of the North Atlantic
and western Europe. Although there is considerable debate
regarding the dynamics of the AMOC (ref. 29), one proposed mechanism
for its present and predicted decline is a freshening of the
surface waters -- for instance, due to enhanced meltwater emanating
from the Greenland Ice Sheet -- that reduces their density, making it
more difficult for oceanic convection to occur. However, much of
the freshwater discharge from the Greenland Ice Sheet is apt to be exported
equatorwards via the boundary current system surrounding
Greenland, with limited direct spreading into the interior basins
adjacent to the ice sheet where oceanic convection occurs. Further
work is thus necessary to determine how and where -- and on what
timescales -- this fresh water pervades the northwest Atlantic. Our
results suggest that other possible mechanisms for such a slowdown
in the AMOC may be at work; such as a reduction in the magnitude
of the surface heat fluxes that trigger the overturning.
​

Note, that this is speculation as to the causes. "Models suggest," etc. then some blogger gets a hold of such cautious language and states these as facts!
 
iguanaman said:
Scientists have known for years that the melting of the glaciers on Greenland would cause the Gulf Stream to be disrupted sending Great Britain into a climate commensurate with their Latitude which is the same as Nova Scotia. This may be the beginning of that effect.

Planet Extinction - Greenland and the Collapse of the Ice Shields
Click to expand...

How much ice melt do you think is happening?

How big do you think the gulf stream is?

Do you think that the force of the wind pushing the waves for 5,000 km along the North Atlantic is more or less than the effect of the colder less salty water joining the flow from Greenland?
 
Deuce said:
Because it may be our fault. Something we might want to figure out.

Although I'm more interested in what the actual report says, rather than accuweather.com
Click to expand...

Ummm...NOAA and NASA?
 
iguanaman said:
Scientists have known for years that the melting of the glaciers on Greenland would cause the Gulf Stream to be disrupted sending Great Britain into a climate commensurate with their Latitude which is the same as Nova Scotia. This may be the beginning of that effect.

Planet Extinction - Greenland and the Collapse of the Ice Shields
Click to expand...

One major fallacy of they activists sites opinion, that they speak of as fact, is that Greenland glaciers come and go in cycles, and is part of nature already. Our land use practices on the east coast probably have more of an effect on the Atlantic oceans than a cyclical change in ice melt.

Before we heavily populated the east coast, rainwater use to mostly penetrate and be stored in the ground. We have probably covered at least 85% of the natural area in urban and suburban areas with concrete, asphalt, and buildings. Rainwater now gets channeled to storm sewers, then are immediately dumped into the rivers. Both the salinity and temperatures are changed, and let's not forget the gas content and concentration of rainwater vs. other waters that make it there.

We are causing climate change, but your camp is too focused on greenhouse gasses when there are so many ways.

Greenhouse gasses are a very minor reason why glaciers melt. Stronger reasons are geothermal activity and deposited aerosols. Aerosols are the largest surface influence on ice surface melt. However, I never hear the alarmists say we need to reduce our aerosol emissions. They continually look for ways to blame CO2.

Why?

Probably because the elite can cash in on carbon credit trading. Hard to make money on other causes of AGW.
 
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