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|Title:||A Monte Carlo Code for High Spatial Resolution Ocean Color Simulations|
|Authors:||D'ALIMONTE Davide; ZIBORDI Giuseppe; KAJIYAMA Tamito; CUNHA Jose'|
|Citation:||APPLIED OPTICS vol. 49 no. 26 p. 4936-4950|
|Publisher:||OPTICAL SOC AMER|
|Type:||Articles in periodicals and books|
|Abstract:||A Monte Carlo Code for Ocean Color simulations has been developed to model in-water radiometric fields in a two-dimensional domain with a high spatial resolution. The computational efficiency of the code has been optimized by applying state-of-art High Performance Computing solutions, while the accuracy of simulation results has been quantified through benchmark with the widely used Hydrolight code. The quantitative analysis of simulated in-water profiles of downward and upward irradiance (Ed and Eu) and upwelling radiance (Lu), has indicated that the photon population size required to investigate the effects of focusing and defocusing effects on in situ measurements with a resolution of 1cm over a domain of 20m depth and 10m width for a wide range of seawater inherent optical properties and surface waves of 5 m width and 0.5 m height, is 106, 108, 1010 for Ed, Eu and Lu, respectively. The study has also addressed the effects of deployment speed and sampling frequency on in-water radiometric measurements from free-fall optical radiometer systems in view of identifying the profiling conditions that minimize uncertainties in the derived in situ data products.|
|JRC Directorate:||Sustainable Resources|
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