Table 2 The distribution of Water Resources Zones in the world.
From: A data set of global river networks and corresponding water resources zones divisions
The number of WRZ | Asia | Europe | Africa | North America | South America | Australasia | Global |
|---|---|---|---|---|---|---|---|
L1 | 41 | 16 | 19 | 15 | 15 | 13 | 119 |
L2 | 578 | 205 | 355 | 240 | 220 | 74 | 1672 |
L3 | 9432 | 1945 | 4765 | 2995 | 2929 | 805 | 22,871 |
L4 | 23,923 | 4434 | 11,624 | 9480 | 7534 | 3842 | 60,837 |