Document domain characteristics by Ibrahim Demir

Details on how to do this task: Document domain characteristics

Short list of domain characteristics:

basin

basin__area

basin_boundary
basin_boundary__diameter

basin_outlet
basin_outlet_center__latitude
basin_outlet_center__longitude

drainage_path
drainage_path__length

watershed
subwatershed

hydrological_network hydrological_network_node hydrological_network_parent_node hydrological_network_child_node

Operators: add_network_node add_network_tree remove_network_node remove_network_tree move_network_node move_network_tree length area