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FlowDivide v1.0 on MERIT Hydro

README.txt
FlowDivide v1.0 · MERIT Hydro 90 m
==================================

Released      2026-05 (with the ESSD submission)
Code          C code deposited with the FullBasin v1.0 archive, https://doi.org/10.5281/zenodo.20344113

What changed
  First release: 24,587,290 basins, 96 regions.

Files (size, SHA-256)
  bsn_global_90m.tif                                     263 MB  c63d03477149e4a0382c237024eafb2fa26b029b636994921d00cb8d4961314d
  rgn_global_90m.tif                                      36 MB  78e5f81af9c7070f5460a3c6f3fb828aa6b3da150ea7dc9b7c2b3398cf4c0af2
  bat_global_90m_gt1km2.csv                               63 MB  6b94bb13328bb70b9dfd93fb4c8905cce0d50bd225d39cbd9b655c80785a3e0d
  rat_global_90m.csv                                     6.0 kB  7e551acd1ae1af4b1f9ddcd7e0a067d841c2714ef830afb6c63c260020bf730f
  rat_global_90m_with_tiles.csv                           20 kB  0bee7011594fde00cb7b23867dd96bc14031b8da2359c8aff80dcb5f87d57a15
  bsn_global_gt1km2.gpkg                                 146 MB  2652e987505cbc32d7a790523de5bd6dd557765b3a634597bc6907fba8bef6a0
  bnd_global_gt1km2.gpkg                                 142 MB  342b2cc1d11e4a14c4d71545a77f1797aa63a6b1bd47e6f153a7cca3ae1a586b
  rgn_global.gpkg                                         23 MB  ca1b3e201ad2bf614d35dc17368d4a437e1264b186b1d04cb3aa41b790a2531d

Each file is at https://data.fullhydro.org/<this folder>/<path above>.
NameSizeUpdatedDescription
../up one level
README.txt1.4 kBwhat this folder holds
bsn_global_90m.tif263 MB2026-08-31the global basin mask: every land pixel carries the id of the outlet it drains to, all 24,587,290 outlets · UInt32, nodata 0 · Cloud-Optimized GeoTIFF
rgn_global_90m.tif36 MB2026-08-31the global region mask: the region id of each pixel
bat_global_90m_gt1km2.csv63 MB2026-08-31basin table cut to the 340,991 basins of at least 1 km², 27 columns (the full table is on Zenodo)
rat_global_90m.csv6.0 kB2026-08-31region attribute table, one row per region
rat_global_90m_with_tiles.csv20 kB2026-08-31the same regions with the MERIT Hydro tile list of each
bsn_global_gt1km2.gpkg146 MB2026-09-12340,955 simplified basin polygons (enclosed basins show as holes)
bnd_global_gt1km2.gpkg142 MB2026-09-12the outer boundaries of the same basins, as lines
rgn_global.gpkg23 MB2026-09-12region outlines, simplified

The same folder on the data server: https://data.fullhydro.org/merit-hydro-90m/flowdivide/v1.0/

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