back to first page ..

Difference between up_catchment_area et up_area

see riversegments comment in postgre

• area of the unit basin where upstream node are not calculated
• up_catchment_area is area calculated from downtream node see R script which is runned on all up_blabla columns as it not calculated on strahler rank 1 (most upstream basins)
• up_area is sum area of the unit basins from upstream node including this segment catchment surface