FullBasin

Basin and region masks that sit pixel-for-pixel on MERIT Hydro (90 m). We publish only the masks. The base layers — dir, elv, upa … — come from the MERIT Hydro team as 30°×30° packages of 5°×5° tiles. Pick a region or click tiles to get the exact file names to download.

variables:
Nothing selected — choose a region above or click tiles on the map.
—
30° package   5° tile   selected

File names

  • Tile n30w120_dir.tif = 5°×5°, lower-left corner 30°N 120°W
  • Package dir_n30w120.tar = 30°×30° (up to 36 tiles), lower-left 30°N 120°W
  • Only tiles with land exist; rows run s60…n80

Getting MERIT Hydro

  • Register on the MERIT Hydro page, password by e-mail, download from their Dropbox
  • Licence CC BY-NC 4.0 / ODbL 1.0; the authors ask that the original data not be mirrored, so we don't
  • Cite Yamazaki et al. (2019), WRR 55, 5053–5073

FullBasin layers coming soon

  • rgn region mask — 96 regions (65 continental, 2 antimeridian, 29 island groups)
  • bsn basin mask — global basin ID, largest basin = 1
  • Basin / region attribute tables · paper in discussion at ESSD · archive on Zenodo

Grid data: tiles · packages · region → tiles