## 2 Methodology
### Simulation of MERO-Measured TOA OSR and OLR Fluxes
\begin{table}
\begin{tabular}{l l l l l} \hline
**Surface Type** & **Cloud Conditions** & \begin{tabular}{l} **Cloud or Meteorological** \\ **Parameters** \\ \end{tabular} & **Angles** \\ \hline \multirow{4}{*}{land and desert} & \multirow{4}{*}{\begin{tabular}{l} (a) clear \\ (b) cloudy \\ \end{tabular} } & \multirow{4}{*}{\begin{tabular}{l} clear \\ 2. cloud fraction (5 intervals: 0.1-25\%, 25-50\%, 50-75\%, 75-99\%, 99-100\%) \\ 3. optical depth (6 intervals: 0-2.5, 25-6, 6-6, 10-10, 18-18-40, 3-40) \\ \end{tabular} } & \begin{tabular}{l} (a) solar zenith angle (9 intervals: same as for ocean) \\ (b) relative azimuth angle (10 intervals: same as for ocean) \\ (c) viewing zenith angle (9 intervals: same as for ocean) \\ (d) relative azimuth angle (0 intervals: 0-10\%, 10-10\%, 10-10\%, 10-10\%, 10-10\%, 10-10\%, 10-10\%) \\ \end{tabular} } \\  & \multirow{4}{*}{\begin{tabular}{l} (a) clear \\ (b) cloudy \\ \end{tabular} } & \multirow{4}{*}{\begin{tabular}{l} (a) clear condition: \\ 1. wind speed (4 intervals: \(<\)3.5, 3-5.5, 5.5-7.5, \(>\)7.5 m s\({}^{-1}\)) \\ (b) cloudy conditions: \\ (c) cloudy \\ \end{tabular} } & \begin{tabular}{l} (a) solar zenith angle (9 intervals: 0-90\% with step of 10\%) \\ (b) relative azimuth angle (10 intervals: \(<\)10\%, 10-10\%, 30-50\%, 50-70\%, 70-90\%, 90-110\%, 10-110\%, 10-110\%, 10-110\%) \\ (c) viewing zenith angle (9 intervals: same as the solar zenith angle) \\ \hline \multirow{4}{*}{\begin{tabular}{l} snow \\ (a) clear \\ (b) cloudy \\ \end{tabular} } & \multirow{4}{*}{\begin{tabular}{l} (a) solar zenith angle (9 intervals: steps of 2\({}^{\circ}\) from 0\({}^{\circ}\) to 90\({}^{\circ}\)) \\ (b) relative azimuth angle (10 intervals: same as for ocean) \\ (c) viewing zenith angle (9 intervals: same as ocean) \\ \end{tabular} } \\  & \multirow{4}{*}{\begin{tabular}{l} (a) solar zenith angle (9 intervals: steps of 2\({}^{\circ}\) from 0\({}^{\circ}\) to 90\({}^{\circ}\)) \\ (b) relative azimuth angle (10 intervals: same as for ocean) \\ (c) viewing zenith angle (9 intervals: same as ocean) \\ \end{tabular} } \\  & \multirow{4}{*}{\begin{tabular}{l} (a) solar zenith angle (9 intervals: steps of 2\({}^{\circ}\) from 0\({}^{\circ}\) to 90\({}^{\circ}\)) \\ (b) relative azimuth angle (10 intervals: same as for ocean) \\ (c) viewing zenith angle (9 intervals: same as the solar zenith angle) \\ \end{tabular} } \\  & \multirow{4}{*}{\begin{tabular}{l} (a) solar zenith angle (9 intervals: steps of 2\({}^{\circ}\) from 0\({}^{\circ}\) to 90\({}^{\circ}\)) \\ (b) relative azimuth angle (10 intervals: same as for ocean) \\ (c) viewing zenith angle (9 intervals: same as ocean) \\ \end{tabular} } \\  & \multirow{4}{*}{\
\begin{tabular}{l} (a) solar zenith angle (9 intervals: steps of 2\({}^{\circ}\) from 0\({}^{\circ}\) to 90\({}^{\circ}\)) \\ (b) relative azimuth angle (10 intervals: same as for ocean) \\ (d) relative azimuth angle (10 intervals: same as ocean) \\ \end{tabular} } \\  & \multirow{4}{*}{
\begin{tabular}{l} (a) solar zenith angle (9 intervals: steps of 2\({}^{\circ}\) from 0\({}^{\circ}\) to 90\({}^{\circ}\)) \\ (b) relative azimuth angle (10 intervals: same as for ocean) \\ (e) relative azimuth angle (10 intervals: same as ocean) \\ (f) viewing zenith angle (9 intervals: same as ocean) \\ \end{tabular} } \\ \hline \end{tabular}
\end{table} 
Table 1: Parameters used for TOA OSR scene type construction to derive the TOA OSR anisotropy factors in the CERES angular distribution models.