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Humans likely influence giant airstreams


Claire.

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Weather extremes: Humans likely influence giant airstreams

The increase of devastating weather extremes in summer is likely linked to human-made climate change, mounting evidence shows. Giant airstreams are circling the Earth, waving up and down between the Arctic and the tropics. These planetary waves transport heat and moisture. When these planetary waves stall, droughts or floods can occur. Warming caused by greenhouse gases from fossil fuels creates favorable conditions for such events, an international team of scientists now finds.

Read more: Phys.org

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Something revealed as the 'Butterfly Effect'


750px-Lorenz_attractor_yb.svg.png

Description
English: An icon of chaos theory - the Lorenz attractor. Plot in SVG vector format, Projection of trajectory of Lorenz system in phase space with "canonical" values of parameters r=28, σ = 10, b = 8/3
Español: El atractor de Lorenz, con valores r = 28, σ = 10, b = 8/3
Date 4 January 2006 (original upload date)
Source Own work based on images Image:Lorenz system r28 s10 b2-6666.png by User:Wikimol and Image:Lorenz attractor.svg by User:Dschwen
Author

User:Wikimol, User:Dschwen

Quote


In chaos theory, the butterfly effect is the sensitive dependence on initial conditions in which a small change in one state of a deterministic nonlinear system can result in large differences in a later state.[2] The name, coined by Edward Lorenz for the effect which had been known long before, is derived from the metaphorical example of the details of a hurricane (exact time of formation, exact path taken) being influenced by minor perturbations such as the flapping of the wings of a distant butterfly several weeks earlier. Lorenz discovered the effect when he observed that runs of his weather model with initial condition data that was rounded in a seemingly inconsequential manner would fail to reproduce the results of runs with the unrounded initial condition data. A very small change in initial conditions had created a significantly different outcome.[3]

 

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:yes:

 

 

 

 

 

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Humans influence giant airstrean

 

Errr.... that was just me after the three bean burrito extra value meal at Taco Bell.

 

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