Why the sun CANNOT be behind global warming | Summary and Q&A

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November 12, 2022
by
Simon Clark
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Why the sun CANNOT be behind global warming

TL;DR

Earth's atmosphere heats up from below, not from the sun, affecting climate change through complex interactions.

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Key Insights

  • 🥵 Earth's atmosphere is heated from below by the Earth and not primarily by the Sun.
  • 🙂 Different substances absorb specific wavelengths of light, influencing temperature regulation in the atmosphere.
  • 🥵 The stratosphere contains ozone, which heats up with the absorption of short wavelength radiation, creating a warmer upper atmosphere.
  • 〽️ Human activities, like CO2 emissions, impact atmospheric temperature by altering radiation absorption and emission patterns.
  • 💱 The troposphere and stratosphere interactions provide evidence of human-caused climate change through temperature changes.
  • ❓ Understanding atmospheric physics involves complex interactions of radiation and temperature regulation mechanisms.
  • ❓ Online platforms like Brilliant offer interactive learning experiences for mastering scientific concepts.

Transcript

welcome to the Earth's atmosphere it's kind of weird near the surface the air is pretty warm but the higher up you go the cooler it gets surely this trend just carries on forever oh my God these are the two lowest layers of the atmosphere the troposphere and the stratosphere we'll explain why this guy thinks it's okay to do this in a little bit and... Read More

Questions & Answers

Q: How is Earth's atmosphere heated?

Earth's atmosphere is heated from below by the Earth, which absorbs sunlight and emits long-wavelength thermal radiation, creating a complex temperature regulation system.

Q: Why does the stratosphere get warmer with altitude?

The stratosphere contains ozone, which absorbs shortwave radiation, leading to heating that overcomes the cooling effect of altitude, creating a warmer upper atmosphere.

Q: What role does CO2 play in atmospheric temperature?

CO2, along with water vapor and methane, absorbs long wavelength radiation effectively, leading to atmospheric warming close to the surface but causing cooling in the stratosphere due to altered radiation patterns.

Q: How do alterations in sunlight and CO2 affect atmospheric temperature?

Increasing sunlight causes warming throughout the atmosphere, while higher CO2 levels lead to surface warming and stratospheric cooling due to altered absorption and emission patterns.

Summary & Key Takeaways

  • Earth's atmosphere is heated from below by the Earth, not from the Sun, with a complex interplay of absorption and emission of different wavelengths of radiation.

  • The troposphere and stratosphere play key roles in regulating temperature through absorbing and emitting different wavelengths of light.

  • The stratosphere cooling while the troposphere warms provides evidence that human-caused factors like CO2 affect climate change.

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