2021

[GEE] Terrain features with Digital Elevation Model 2021-09-27
In this tutorial, we will see how we can use the Google Earth Engine to derived elevation, slope and aspect from the Digital Elevation Model of NASA Space Shuttle Radar Topography Mission (SRTM).

[GEE] NDVI time series 2021-09-10
Thanks to JavaScript API, Google Earth Engine allows to calculate NDVI for various sites of interest without having to download Sentinel-2 raw data. We will see here how to calculate NDVI time series with GEE.

[QGIS] How to create NDVI maps from Sentinel-2 raw data 2021-08-09
The Normalized Difference Vegetation Index (NDVI) is the most commonly used vegetation monitoring index in agriculture. After some basic elements on the rationale behind NDVI, this tutorial shows how to download Sentinel-2 images and how to create NDVI maps with QGIS from these data.