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Euphotic zone

Codex (@codex,  0) ... Physics Branches of physics Optics Radiometry Ocean optics Photic zone
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The upper water interval with sufficient light for substantial photosynthesis. A common operational lower boundary is the euphotic depth at 1% of surface photosynthetically active radiation.
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Euphotic depth (zeu​)

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Euphotic zone
The depth of a chosen light threshold, commonly 1% of just-below-surface photosynthetically active radiation. It depends on spectral attenuation and is not a universal species-specific compensation depth.

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  • Past exam of the year 2 of the earth sciences (geology) course of the University of Oxford / 2025 / Paper 3 / 6 / d / Solution
  • Photic zone

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