Bioluminescence estimation from ocean in situ irradiances
Applied Optics
|August 20, 2010
Summary
A new algorithm estimates bioluminescent radiation source location and magnitude using in situ irradiance measurements. This method, based on photon conservation, works even without knowing the absorption coefficient.
Area of Science:
- Ocean optics
- Biogeochemical modeling
- Remote sensing
Background:
- Bioluminescence is a key process in marine ecosystems.
- Accurate quantification of bioluminescent sources is crucial for ecological studies.
- Existing methods for estimating bioluminescent source parameters can be limited.
Purpose of the Study:
- To develop a novel algorithm for estimating the spatial location and magnitude of bioluminescent radiation sources.
- To utilize in situ measurements of irradiance and scalar irradiance at two depths.
- To provide a method applicable even when the absorption coefficient is unknown.
Main Methods:
- The algorithm is based on the principle of photon conservation.
- It uses measurements of in situ irradiance and scalar irradiance at two depths.
- Numerical tests and error analysis were performed to validate the algorithm.
Main Results:
- The algorithm successfully estimates the spatial location and magnitude of bioluminescent sources.
- The method is effective even when the absorption coefficient is unknown.
- An estimated constant source magnitude can be used to determine the vertical attenuation coefficient.
Conclusions:
- The developed algorithm offers a robust method for quantifying bioluminescent sources in situ.
- This tool can enhance our understanding of marine biogeochemical processes.
- The algorithm's ability to estimate the vertical attenuation coefficient adds further value for optical modeling.
