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. Author manuscript; available in PMC: 2024 Sep 26.
Published in final edited form as: Remote Sens (Basel). 2023 Sep 26;15(19):1–25. doi: 10.3390/rs15194715

Table 1.

Summary of symbols, their definitions, and their dimensions.

Symbol Definition Dimensions

Basic parameters

Rrs(DOS) Remote sensing reflectance from DOS atmospheric correction sr−1
Rrs(ELH) Remote sensing reflectance from ELH atmospheric correction sr−1
Ed(λ) Spectral downwelling irradiance W m−2
Eu(λ) Spectral upwelling irradiance W m−2
Lu(λ) Spectral upwelling radiance W m−2 sr−1 nm−1
Lw(λ) Spectral water-leaving radiance W m−2 sr−1 nm−1
zb Depth of water column from digital elevation map m
z Depth of the water column corrected for canopy height and tidal state m
LAI Leaf area index m2 leaf m−2 ground
AGCseagrass Above-ground seagrass carbon g

Inherent optical properties of the water column (IOPs)

ap Absorption by particulate material (algal + sediment + detritus) m−1
an Absorption by non-pigmented particulate material m−1
ag Absorption by CDOM m−1
apg Absorption by particulate and CDOM m−1
bp Scattering by particulate material m−1
bbp Backscattering by particulate material m−1
cpg Beam attenuation coefficient m−1

Apparent optical properties of the water column (AOPs)

Kd(λ) Spectral downwelling diffuse water column attenuation coefficient m−1
KLu(λ) Spectral upwelling diffuse attenuation coefficient m−1
Rb(λ) Spectral benthic reflectance dimensionless