Below is a list of relevant variables, abbreviations, and other quantities with units and explanations.
Relevant Units:
height (m)
depth (m)
skewness (unitless)
kurtosis (unitless)
backscatter strength (dB)
frequency (Hz)
range (m)
roughness (unitless)
hardness (unitless)
heave (m)
angles (degrees)
Variable Definitions (with units):
alpha - Absorption coefficient (dB/m)
Sv - Volume backscattering strength (dB)
NASC - Nautical Scattering Coefficient (m^2/nmil^2)
VL - vessel log - reports the distance measured by vessel log (nmil)
ABC - Area Backscattering Coefficient (m^2/m^2)
Abbreviation Explanations:
S - start
E - end
M - middle