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Location of tiles and results of dam identification validation. These tiles were used to assess the potential differences in dam digitising by different contributors.
| Country/Continent | LatLL | LongLL | Initial | Re-digitised | % overlap |
|---|---|---|---|---|---|
| China | 30N | 105E | 242 | 212 | 87.6 |
| India | 19N | 77E | 94 | 90 | 87.6 |
| Africa | 26S | 29E | 93 | 66 | 70.9 |
| South America | 07S | 50W | 6 | 8 | 100.0 |
| South America | 06S | 75W | 5 | 3 | 60.0 |
| North America | 27N | 100W | 190 | 188 | 98.9 |
| South America | 10N | 67W | 89 | 55 | 61.8 |
