Light Ocean

Oceanography · Part 2

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Table of Contents

  1. 1.The Fading Light: Optics of the Ocean
  2. 2.Beer-Lambert Law of Light Attenuation
  3. 3.Spectral Attenuation and Jerlov Water Types
  4. 4.PAR and Secchi Disk Depth
  5. 5.Ocean Color and Satellite Remote Sensing
  6. 6.Advanced Optical Phenomena
  7. 7.Light Zones of the Ocean
  8. 8.Python: Spectral Attenuation, PAR Profiles, and Chlorophyll Retrieval
  9. 9.Fortran: Beer-Lambert Model with Spectral Resolution

Key Equations

$$I(\lambda, z) = I_0(\lambda) \exp\left(-K_d(\lambda) \cdot z\right)$$
$$K_d(\lambda) \approx \frac{a(\lambda) + b_b(\lambda)}{\bar{\mu}_d}$$
$$\text{PAR}(z) = \text{PAR}_0 \exp(-K_{\text{PAR}} \cdot z) \quad \text{where } K_{\text{PAR}} \approx 0.04\text{--}0.4 \text{ m}^{-1}$$
$$\text{Chl-}a \approx 10^{a_0 + a_1 R + a_2 R^2 + a_3 R^3} \quad \text{where } R = \log_{10}\left(\frac{R_{rs}(\text{blue})}{R_{rs}(\text{green})}\right)$$

Equations are rendered with MathJax in the PDF with professional LaTeX typesetting.

Course Context

This PDF is part of the Oceanography course on CoursesHub.World. Explore the science of the seas from physical and chemical properties to marine biology and climate interactions. Covers ocean circulation, waves and tides, marine ecosystems, seafloor geology, climat...

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