The SENTINEL-3 OLCI User Guide provides a high level description of the available instrument modes and products. It also provides an introduction to relevant application areas, information on data distribution, product formatting and software tools available from ESA.

The categories are:

• Overview
  Gives a brief overview of the OLCI heritage and new instrument features. This also describes the main characteristics in terms of geophysical measurements.


• Applications
  Describes the support of the SENTINEL-3 OLCI mission to maritime monitoring, land mapping and monitoring, atmospheric monitoring and climate change monitoring.


• Product Types
  Describes the granularity of SENTINEL-3 OLCI products distributed to the users: Level-1B, Level-2 land and Level-2 water.


• Processing Levels
  Illustrates the processing steps from Level-0, Level-1 to Level-2.


• Resolutions and Coverage
  Defines the spatial full or reduced resolutions, the radiometric resolutions and describes the revisit frequency and coverage.


• Naming Convention and Data Formats
  Describes the data naming conventions used and introduces the formatting used for Level-0, Level-1 and Level-2 products.


• Definitions
  Provides information on the units, notations and product grids used in the acquisition and processing of OLCI products.

For an in-depth description of the mission's products and algorithms, as well as details on the OLCI instrument and its performance, please refer to the SENTINEL-3 OLCI Technical Guide. The detailed information available in the Technical Guide is focused upon users such as academics and industrial software engineers who have previous experience of similar EO missions, and in-depth experience of data manipulation and management.