This code is aimed to harmonize LTER IT12 marine database (1965-2015) for the project EcoNAOS (by CNR-ISMAR Venezia). In this version there are: data sample, pseudocode, the Python code and a brief description. All the material is released under GNU GPL v.3 license.
A .png file of the .dia pseudocode has been added in order to better document the code.