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Kt_Atis
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If chlorophyll makes leaves green, and carotenoid makes them yellow, orange, and brown, then what in the world makes the leaves in Japan pink??
Why Do Leaves in Japan Turn Pink?
- Thread starter Kt_Atis
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Discussion Overview
The discussion revolves around the phenomenon of leaves in Japan turning pink, exploring the pigments involved and the interaction of light with these pigments. Participants examine the roles of chlorophyll, carotenoids, and anthocyanins, as well as the effects of atmospheric conditions on light absorption and scattering.
Discussion Character
- Exploratory, Conceptual clarification, Debate/contested
Main Points Raised
- One participant notes that chlorophyll makes leaves green and carotenoids contribute to yellow, orange, and brown colors, questioning what causes the pink coloration in Japanese leaves.
- Another participant suggests that anthocyanins, which are red pigments, could be responsible for the pink color when mixed with white light.
- A subsequent post raises a question about the feasibility of this explanation, pointing out that all white light is supposedly absorbed in the Earth's atmosphere.
- A later reply counters this by stating that not all white light is absorbed; some is absorbed, some is scattered, and some passes through the atmosphere.
Areas of Agreement / Disagreement
Participants express differing views on the interaction of light with atmospheric conditions and its implications for the observed pink coloration, indicating that multiple competing explanations remain unresolved.
Contextual Notes
The discussion includes assumptions about light absorption and scattering that are not fully explored, leaving the mechanisms behind the pink coloration somewhat ambiguous.
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