Supported ENVISAT Products |

INDEX BANDS PRODUCTS

## MERIS Level 2 Flag Codings

Flags of ENVISAT MER_RR__2P_flags Products

Identifier | Bit Index | Description
`"LAND"` | 23 | Land product available
`"CLOUD"` | 22 | Cloud product available
`"WATER"` | 21 | Water product available
`"PCD_1_13"` | 20 | Uncertain normalized surface reflectance
`"PCD_14"` | 19 | Uncertain total water vapour content
`"PCD_15"` | 18 | Uncertain algal pigment index 1 or cloud top pressure or top of atmosphere vegetation index
`"PCD_16"` | 17 | Uncertain yellow substance and total suspended matter or rectified reflectances
`"PCD_17"` | 16 | Uncertain algal pigment index 2 or bottom of atmosphere vegetation index
`"PCD_18"` | 15 | Uncertain PAR or cloud albedo or land surface pressure
`"PCD_19"` | 14 | Uncertain aerosol type and optical thickness or cloud optical thickness
`"COASTLINE"` | 13 | Coastline pixel
`"COSMETIC"` | 12 | Cosmetic pixel (flag from level-1B)
`"SUSPECT"` | 11 | Suspect pixel (flag from level-1B)
`"OOADB"` | 10 | Aerosol model is out of aerosol model database
`"ABSOA_DUST"` | 9 | Dust-like absorbing aerosol selected for atmosphere correction
`"CASE2_S"` | 8 | Turbid (sediment dominated Case 2) water
`"CASE2_ANOM"` | 7 & 21 | Anomalous scattering water
`"TOAVI_BRIGHT"` | 7 & 23 | Bright pixel flagged by MGVI processing
`"CASE2_Y"` | 6 & 21 | Yellow substance loaded water
`"TOAVI_BAD"` | 6 & 23 | Bad pixel flagged by MGVI processing
`"ICE_HAZE"` | 5 & 21 | Ice or high aerosol load pixel
`"TOAVI_CSI"` | 5 & 23 | Cloud, Snow or Ice over land pixel acc. to MGVI processing
`"MEDIUM_GLINT"` | 4 & 21 | Corrected for glint (water)
`"TOAVI_WS"` | 4 & 23 | Water/Shadow pixel acc. to MGVI processing (land pixels)
`"LARS_ON"` | 3 & 23 | Land aerosol remote sensing turned on
`"BPAC_ON"` | 3 & 21 | Bright Pixels Atm. Correction activated (water)
`"HIGH_GLINT"` | 2 & 21 | High (uncorrected) glint (water)
`"TOAVI_INVAL_REC"` | 2 & 23 | Invalid rectification (land pixels)
`"LOW_SUN"` | 1 | Sun low above horizon (or conversely high Sun zenith angle)
`"LOW_PRESSURE"` | 0 | Computed pressure lower than ECMWF one
`"WHITE_SCATTERER"` | 0 & 21 | Presense of white scatterer in water