ELLISON_OCEAN_PERMITTIVITY  1
FIND_INDEX  2
FOAM_COVERAGE  1
FOAM_REFLECTIVITY  1
FRESNEL_REFLECTIVITY  1
GUILLOU_OCEAN_PERMITTIVITY  1
INTERP_2D  1
LARGE_SCALE_CORRECTION  1
LPOLY   2
SMALL_SCALE_CORRECTION  1