Monitoring chlorophyll-a concentration or turbidity is crucial for understanding and managing oligo- to mesotrophic coastal waters quality. However, mapping bio-optical components from space in such shallow settings remains challenging because of the ...
Guillaume Wattelez +2 more
doaj +1 more source
Wave Effects of the Fractional Shallow Water Equation and the Fractional Optical Fiber Equation
The non-linear space-time fractional Estevez-Mansfield-Clarkson (EMC) equation and the non-linear space-time fractional Ablowitz-Kaup-Newell-Segur (AKNS) equation showed the motion of waves in the shallow water equation and the optical fiber equation, respectively.
Sirasrete Phoosree, Weerachai Thadee
openaire +3 more sources
Bottom Reflectance in Ocean Color Satellite Remote Sensing for Coral Reef Environments
Most ocean color algorithms are designed for optically deep waters, where the seafloor has little or no effect on remote sensing reflectance. This can lead to inaccurate retrievals of inherent optical properties (IOPs) in optically shallow water ...
Martina Reichstetter +5 more
doaj +1 more source
Bio-optical properties of the Brazilian Abrolhos Bank’s shallow coral-reef waters
The Abrolhos Bank harbors the richest coral reef ecosystem in the South Atlantic Ocean. It exhibits unique geomorphologic structures, is localized in shallow depths, and is divided into two reef regions with an inner arc close to the coast (3–20 m depth) and an outer deeper arc (5–30 m depth).
Medeiros +10 more
openaire +3 more sources
Development of Kd(490) Algorithm Using Medium Spatial Resolution Landsat 8 OLI Arround Shallow Waters In Panggang Island [PDF]
The state of water quality around Panggang Island, Seribu Islands, in recent decades experienced degradation caused by human activities. The parameters of the diffuse attenuation coefficient (Kd) is an important optical property-related attenuation of ...
Asriningrum, Wikanti +5 more
core +1 more source
Estimating specific inherent optical properties of tropical coastal waters using bio-optical model inversion and in situ measurements: case of the Berau estuary, East Kalimantan, Indonesia [PDF]
Specific inherent optical properties (SIOP) of the Berau coastal waters were derived from in situ measurements and inversion of an ocean color model. Field measurements of water-leaving reflectance, total suspended matter (TSM), and chlorophyll a (Chl a)
C. M. Mannaerts +8 more
core +1 more source
Dependence of Attenuation Coefficients on Optical Condition of Shallow Water
Radiative transfer of visible light in optically shallow water is an important process for remote sensing and environmental research. It has been modeled using various attenuation coefficients. Although these coefficients are apparent optical properties (AOPs) of water, which are supposed to be dependent not only on the water quality but on other ...
KANNO, Ariyo +2 more
openaire +2 more sources
SWIM: A Semi-Analytical Ocean Color Inversion Algorithm for Optically Shallow Waters [PDF]
Ocean color remote sensing provides synoptic-scale, near-daily observations of marine inherent optical properties (IOPs). Whilst contemporary ocean color algorithms are known to perform well in deep oceanic waters, they have difficulty operating in ...
Weeks, Scarla J. +7 more
core +2 more sources
Underwater acoustic signal acquisition based on optical interferometry in shallow water
Here, it is investigated the results of the implementation of an interferometric optical fiber acoustic sensor based on fiber Bragg grating (FBG). It is investigated the importance of different types of interferometer configurations as Michelson or Mach-Zehnder interferometers on the signal to noise ratio.
Abniki, Aliasghar +2 more
openaire +2 more sources
Satellite-derived bathymetry in optically complex waters using a model inversion approach and Sentinel-2 data [PDF]
This study presents an assessment of a model inversion approach to derive shallow water bathymetry in optically complex waters, with the aim of both understanding localised capability and contributing to the global evaluation of Sentinel-2 for coastal ...
Hedley, John D. +11 more
core +1 more source

