Let us, however, underline that experimentally it is more difficult to determine the amount of waste in a process (required to calculate E factor) than the amount of entering materials (required to calculate PMI). 5. The EcoScale When a more exhaustive determination of the greenness of a ...
A high resolution (1 m grid cell with 0.15 m mean height error) Digital Elevation Model (DEM) was used [51] to calculate the Topographic Position Index (TPI). This index is defined as the difference between the elevation at a cell and the average elevation of cells within a predetermined...