added ASOD_S to SSD conv analysis

functions/data_processing.py

@@ -206,7 +206,7 @@ def compute_and_plot_ssd_loglog(sim_pair=[],
     
         plt.xticks(Nmonth_averaging, fontsize=10)
         plt.xlabel('Number of months in averaging', fontsize=12)
-        plt.ylabel('SSD for timespan', fontsize=12)
+        plt.ylabel(f'SSD for \"{var}\", {var_to_units[var]}', fontsize=12)
         plt.title(f'SSD in log-log scale for "{var}", {var_to_units[var]}', fontsize=20)
         plt.legend(loc='upper right')
         plt.tight_layout()