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intercomparisons:intercomparisons [2025/07/21 21:29] 127.0.0.1 external edit |
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| ==== Phase III - 1D spherical geometry ==== | ==== Phase III - 1D spherical geometry ==== | ||
| - | === General conventions === | + | === General conventions and settings === |
| {{ :intercomparisons:phase_d:spherical_system.png?400 |Figure from Gao et al. 2023, https://doi.org/10.5194/amt-16-5863-2023}} | {{ :intercomparisons:phase_d:spherical_system.png?400 |Figure from Gao et al. 2023, https://doi.org/10.5194/amt-16-5863-2023}} | ||
| - | * Definition of angles for all simulations in spherical geometry: We refer to the angles at the position of the observer, i.e. at the top of the atmosphere VZA=θ<sub>v</sub>' and SZA=θ<sub>0</sub>'. For the observer at the surface VZA=θ<sub>v</sub> and SZA=θ<sub>0</sub>. The azimuth angles also refer to the position of the observer. The figure is taken from [[https://doi.org/10.5194/amt-16-5863-2023|Gao et al. 2023]]. | + | * Definition of angles for all simulations in spherical geometry: We refer to the **angles at the position of the observer**, i.e. at the top of the atmosphere VZA=θ<sub>v</sub>' and SZA=θ<sub>0</sub>'. For the observer at the surface VZA=θ<sub>v</sub> and SZA=θ<sub>0</sub>. The azimuth angles also refer to the position of the observer. The figure is taken from [[https://doi.org/10.5194/amt-16-5863-2023|Gao et al. 2023]]. |
| - | * For all cases normalized radiances are compared (i.e. Stokes vector components devided by the extraterrestrial irradiance). | + | * Results should be provided as **normalized radiances** (i.e. Stokes vector components divided by the extraterrestrial irradiance). |
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| - | * For all cases except E6, the same sun-observer geometries are calculated: | + | * For all cases except E6, the same **sun-observer geometries** should be calculated: |
| - | + | * //viewing zenith angles// (deg): [0, 9, 18, 26, 34, 41, 48, 54, 60, 65, 70, 74, 78, 81, 84, 86, 88, 89, 90] (up-looking at bottom of atmosphere, down-looking at top of atmosphere] | |
| - | * viewing zenith angles (degrees): [0, 9, 18, 26, 34, 41, 48, 54, 60, 65, 70, 74, 78, 81, 84, 86, 88, 89, 90] (up-looking at bottom of atmosphere, down-looking at top of atmosphere] | + | * //viewing azimuth angles// (deg): 0-180, 10° increment |
| - | * viewing azimuth angles (degrees): 0-180, 10 degress increment | + | * //solar zenith angles// (deg): [30, 60, 80, 87, 90, 93, 96, 99] |
| - | * solar zenith angles (degrees): [30, 60, 80, 87, 90, 93, 96, 99] | + | * //solar azimuth angle// (deg): 0 |
| - | * solar azimuth angle (degrees): 0 | + | * //sensor altitudes// (km): 0, 120 |
| - | * sensor altitude (km): 0, 120 | + | |
| + | * The **output format is netcdf**, results of all cases (D and E) shall be included in a single netcdf file using {{:intercomparisons:phase_d:iprt_phase3_model.nc|iprt_phase3_XXX.nc}} as template. Please include normalized radiance and the standard deviation (if you calculate it) for each case: | ||
| + | - radiance_//case//(//case//_zout, //case//_sza, //case//_saa, //case//_vza, //case//_vaa, stokes) | ||
| + | - std_//case//(//case//_zout, //case//_sza, //case//_saa, //case//_vza, //case//_vaa, stokes) | ||
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| === D - Test cases for fully spherical geometry with one layer === | === D - Test cases for fully spherical geometry with one layer === | ||
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| - [[intercomparisons:d4_aerosol_spheroid|Spheroidal aerosols]] | - [[intercomparisons:d4_aerosol_spheroid|Spheroidal aerosols]] | ||
| - [[intercomparisons:d5_water_cloud|Liquid water cloud]] | - [[intercomparisons:d5_water_cloud|Liquid water cloud]] | ||
| - | - [[intercomparisons:d6_mixed|Mixed particle types]] | + | - [[intercomparisons:d6_ocean|Ocean surface]] |
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| Line 75: | Line 78: | ||
| - [[intercomparisons:e6_ocean_planet|Ocean planet]] | - [[intercomparisons:e6_ocean_planet|Ocean planet]] | ||
| - | The results of all cases (D and E) shall be included in a single netcdf file using this template: {{:intercomparisons:phase_d:iprt_phase3_model.nc|iprt_phase3_MODELNAME.nc}}. | + | |
intercomparisons/intercomparisons.1753133369.txt · Last modified: 2025/07/21 21:37 (external edit)
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