A visualization generated for AQUASTAT of FAO.
Two types of charts were prepared: Sankey and Network. The Sankey plots allow for an ‘automatic sorting’ of countries based on who is the water tower and who is the water source. This visualization is useful to demonstrate where a country falls on this continuum.
The network plot shows the automatic arrangement of countries with their ‘water-neighbours’ without being bound to the upstream (left) -> downstream (right) style.
See interactive versions for all continents as well as a detailed analysis on the AQUASTAT page:
http://www.fao.org/nr/water/aquastat/flow_vis/index.stm
OK… I paste one here only because it’s extra boing-y: