Import MERMAID Extraction Files |

## Import MERMAID Extraction Files

The Sentinel Toolbox supports the import of MERMAID (MERis MAtchup In-situ Database) Extraction Files, which have become a very important data source for merged in-situ optical measurements with concurrent MERIS acquisitions. In general, these files follow the SNAP CSV import and the underlying rules, with just a few exceptions (i.e. semicolon as separation character, special latitude/longitude column names).

A comprehensive description of the MERMAID project and details on the matchup extraction data format can be found
here
.

#### Example: First few columns and rows of a valid MERMAID Extraction File

>             PROCESSING_VERSION;site;PI;lat_IS;lon_IS;TIME_IS;thetas_IS;PQC;MQC;chl_IS;
>             MEGS_8.0;BOUSSOLE;DavidAntoine;43.367;7.9;20030907T130033Z;42.237999;P00000100;M110110101101111010;1.12E-01;
>             MEGS_8.0;BOUSSOLE;DavidAntoine;43.367;7.9;20030908T100033Z;41.848999;P00000100;M110110101101111010;1.10E-01;
>             MEGS_8.0;BOUSSOLE;DavidAntoine;43.367;7.9;20030910T101533Z;41.109001;P00000100;M110110101101111010;1.05E-01;
>             MEGS_8.0;BOUSSOLE;DavidAntoine;43.367;7.9;20030911T110034Z;38.824001;P00000100;M110110101101111010;1.03E-01;
>             MEGS_8.0;BOUSSOLE;DavidAntoine;43.367;7.9;20030914T100033Z;43.737999;P00000100;M110110101101111010;9.60E-02;
>             MEGS_8.0;BOUSSOLE;DavidAntoine;43.367;7.9;20030916T101535Z;43.101002;P00000100;M110110101101111010;9.10E-02;