Level-2 ADFs - Sentinel-3 OLCI Technical Guide - Sentinel Online
All OLCI Level-2 ADFs are written in netCDF format and used in several steps in OLCI Level-2 processing:
| File | Internal/External | Provider | Format | Product Type PDGS |
| Processing Control Parameter File | I | netCDF 4 | OL_2_PCP_AX | |
| Pre-Processing Data File | I | ESL | netCDF 4 | OL_2_PPP_AX |
| Water Vapour Data File | I | ESL | netCDF 4 | OL_2_WVP_AX |
| Atmospheric Correction Data File | I | ESL | netCDF 4 | OL_2_ACP_AX |
| Ocean Colour Data File | I | ESL | netCDF 4 | OL_2_OCP_AX |
| Vegetation Data File | I | ESL | netCDF 4 | OL_2_VGP_AX |
| Climatology Data File | I | ESL | netCDF 4 | OL_2_CLI_AX |