==== Case A6: Ocean surface ==== //Setup:// * Ocean reflectance matrix by Mishchenko's code [[http://www.giss.nasa.gov/staff/mmishchenko/ftpcode/ocean.shadow.f|ocean.shadow.f]] (uses anti-clockwise convention for azimuth angle!) * refractive index of water (1.33 + 0i) * wind speed 2m/s * scattering optical thickness (Rayleigh) of layer: 0.1 * no molecular absorption * Rayleigh depolarization factor: 0.03 * transmittance at bottom and reflectance at top of layer * solar zenith angle //sza//: 45° * solar azimuth angle //saa//: 0° * viewing zenith angles * at bottom: //vza//: 0° - 80°, 5° increment * at top: //vza//: 100° - 180°, 5° increment * viewing azimuth angle //vaa//: 0° - 360°, 5° increment //Output format:// * The output should be provided in the same format as for case A1 ([[intercomparisons:a1_rayleigh|Rayleigh scattering]]). === Results === //Difference plots// between the models IPOL, 3DMCPOL, SPARTA (previously named TROPOS), SHDOM, PSTAR and MYSTIC for the full radiation field:\\ {{:intercomparisons:phase_a:a6:diff_a6_3dmcpol.pdf|3DMCPOL}}\\ {{:intercomparisons:phase_a:a6:diff_a6_ipol.pdf|IPOL}}\\ {{:intercomparisons:phase_a:a6:diff_a6_tropos.pdf|SPARTA}}\\ {{:intercomparisons:phase_a:a6:diff_a6_shdom3.pdf|SHDOM}}\\ {{:intercomparisons:phase_a:a6:diff_a6_pstar.pdf|PSTAR}}\\ //Data// of all models (MYSTIC and 3DMCPOL include also standard deviation):\\ {{:intercomparisons:phase_a:a6:iprt_case_a6_mystic.dat|MYSTIC}}\\ {{:intercomparisons:phase_a:a6:iprt_case_a6_3dmcpol.dat|3DMCPOL}}\\ {{:intercomparisons:phase_a:a6:iprt_case_a6_ipol.dat|IPOL}}\\ {{:intercomparisons:phase_a:a6:iprt_case_a6_tropos.dat|SPARTA}}\\ {{:intercomparisons:phase_a:a6:iprt_case_a6_shdom3.dat|SHDOM}}\\ {{:intercomparisons:phase_a:a6:iprt_case_a6_pstar.dat|PSTAR}}\\