With current technology and the availability of remote sensing tools through different servers makes it possible to determine or estimate the areas that are flooded or could be, the focus of this tutorial in which a methodology to determine flood zones will be described from the calculation of the NDVI and compare the results with the use of two servers, Sentinel 2 and Landsat 8.
The study area corresponds to a stretch of the Ucayali River near the city of Iquitos in the department of Loreto. Information on satellite images was downloaded from two satellites Landsat 8 and Sentinel 2 for the month of December 2017.

Download the input data for this tutorial here: https://www.hatarilabs.com/ihen/floo...