digital elevation model of a forest next to the river

aerial cartography construction dem development digital drone dtm elevation engineer engineering forest forestification forestry geodesy geodetic geology georeferencing geospatial gis graphic green grid gsd high hypsometric industry inspection investigation land map mapping maps meander meandering mine model modeling orthorectification orthorectified photogrammetry pictures pines proccesing product professional regrowth renewal resolution restoration river shows site small space survey surveying taken technology terrain top topographic topography tree trees water wood woodland