AOTNOTPRODUCED(3): Solar zenith angle > 80° Missing channel reflectance Over land: M1, M2, M3, M5, M8, M11 Over water: M5, M6, M7, M8, M10, M11 Missing ancillary model data Wind wind direction, precipitable water, surface air temperature, column ozone, surface pressure, surface height Probably or confident cloudy (from QF4.4) Snow/ice present (from QF4.1) Fire present (from QF4.4) Unfavorable surface: inland or coastal (from QF2.3) Internal test Over land: sun glint; fire; snow/ice Over water: sun glint; turbid water; 00 = 0 =High snow/ice 01 = 1 = Degraded Bright surface over land AOT Quality 10 = 2 = Excluded 2 Bright pixel index ()<0.05 and (QF1.1) 11 = 3 = Not Reflectance at M11 > 0.3 Produced AOTEXCLUDED(2): Use tertiary ancillary model data (obsolete) Retrieved AOT550 out of spec range [0,2] Internal test Missing channel reflectance or brightness temperature (M3,M5,M7,M8,M9,M10,M11,M12, M15, M16 over land; M3,M4,M15,M16 over water) AOTDEGRADED(1): 65° Solar zenith angle < 80° ≤ Use secondary ancillary model data (obsolete) Presence of shadow (from QF4.3); cirrus (from QF4.2); adjacent pixel cloud confidence level being probably or confidently cloudy (from QF2.2); volcanic ash (QF4.7)
AOT Quality (QF1.1) 00 = 0 =High 01 = 1 = Degraded 10 = 2 = Excluded 11 = 3 = Not Produced 2 AOTNOTPRODUCED(3): Solar zenith angle > 80° Missing channel reflectance Over land: M1, M2, M3, M5, M8, M11 Over water: M5, M6, M7, M8, M10, M11 Missing ancillary model data Wind wind direction, precipitable water, surface air temperature, column ozone, surface pressure, surface height Probably or confident cloudy (from QF4.4) Snow/ice present (from QF4.1) Fire present (from QF4.4) Unfavorable surface: inland or coastal (from QF2.3) Internal test Over land: sun glint; fire; snow/ice Over water: sun glint; turbid water; snow/ice Bright surface over land Bright pixel index ()<0.05 and Reflectance at M11 > 0.3 AOTEXCLUDED(2): Use tertiary ancillary model data (obsolete) Retrieved AOT550 out of spec range [0,2] Internal test Missing channel reflectance or brightness temperature (M3,M5,M7,M8,M9,M10,M11,M12, M15, M16 over land; M3,M4,M15,M16 over water) AOTDEGRADED(1): 65° ≤ Solar zenith angle < 80° Use secondary ancillary model data (obsolete) Presence of shadow (from QF4.3); cirrus (from QF4.2); adjacent pixel cloud confidence level being probably or confidently cloudy (from QF2.2); volcanic ash (QF4.7)
VIIRS_Aerosol_ATBD_revision_v8.docx