Chaotic weather systems — definition?
Unpredictable systems sensitive to initial conditions.
Weather as a chaotic system — nature?
Highly sensitive and unpredictable over time.
Folklore in weather prediction — role?
Traditional, unreliable weather forecasting methods.
Richardson's 1922 formula — workers needed?
64,000 workers.
Computer's impact on weather modeling?
Simplified and improved accuracy.
Barometer — function?
Measures atmospheric air pressure.
Barometer — weather prediction?
Rising pressure indicates fair weather.
Telegraph — invention year?
1887.
Telegraph — role?
Shared weather info instantly across regions.
Light scattering — causes?
Particles and molecules disperse light.
Blue sky — cause?
Scattering of blue light by molecules.
Dispersion — process?
Separation of white light into colors.
White light — components?
All visible spectrum colors.
Wavelength — color difference?
Shorter for blue, longer for red.
Atmospheric molecules — main types?
Nitrogen and oxygen.
Blue light — scattering?
Scatters more due to shorter wavelength.
Ocean color — reason?
Reflects sky, absorbs other wavelengths.
Ocean volume — percentage of Earth?
70% of surface, 97% of water.
Teste tes connaissances avec un QCM de 9 questions sur Understanding Weather and Light Phenomena.
1. What does the term 'chaotic weather system' refer to?
2. Who proposed the mathematical formula in 1922 that aimed to improve weather prediction models?
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