Endorheic basins (internally drained) have no surface outlet (to a river) and lose water through evaporation and sometimes underground. In the traditional method of watershed delimitation, these internal drainage areas … Read more
In this case we developed a case study using tools available in QGIS 3. It will show how to alter a Digital Elevation Model (DEM) using the Raster calculator, specifically … Read more
The Land Surface Temperature can be estimated or calculated using the Landsat 8 thermal bands. It simply requires applying a set of equations through a raster image calculator (ArcMap, ArcGIS … Read more
Spatial Analyst and Hydrology tools can be used to identify and extract dividing lines (of mountains) from an elevation raster (DEM), this by creating a network of flows by inverting … Read more
In some raster images there are values that you do not want to display, especially backgrounds that contain information that does not represent the nature of the raster. In these … Read more