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FullHydro dataset

FullBasin on HydroSHEDS v2.0 · 30 m

Based on HydroSHEDS v2.0 (Lehner et al., 2022; data version 2.0), the 1 arc-second flow directions, about 30 m at the equator. FullBasin on HydroSHEDS v2.0 is an independent dataset and is not part of the official HydroSHEDS family of products. HydroSHEDS v2 has released the Americas so far, and this collection is built one continent at a time: North America and South America now, each on its own grid; Africa, Europe and Middle East, Siberia, Asia, Australasia and Greenland will be added as HydroSHEDS v2 covers them.

What is out on this grid

Out now — basin and region masks, North America and South America FullBasin

The basin mask, the basin groups at three HydroBASINS levels and the region masks at three capacities; choose the continent on the page.

  • North America: 30,077,037 outlets (30,074,804 on the coast, 2,233 inland), 105,581 basins of at least 1 km²; basin groups at Level-01, Level-02 and Level-03 (3, 15, 48); regions at capacities of 160, 80 and 40 square degrees (106, 196, 371); grid 424,800 × 277,200 pixels.
  • South America: 7,383,055 outlets (7,377,562 on the coast, 5,493 inland), 38,510 basins of at least 1 km²; basin groups at Level-01, Level-02 and Level-03 (3, 9, 33); regions at capacities of 160, 80 and 40 square degrees (59, 99, 209); grid 219,600 × 259,200 pixels.
Later FullBasin, the per-pixel layers

What drains into each pixel and what its upstream land is like: the per-pixel upstream index and attributes, as at 90 m.

HydroSHEDS v2.0 and FullBasin

What comes from HydroSHEDS v2.0

The 1 arc-second flow directions, one file per continent, from hydrosheds.org (CC BY 4.0). We do not redistribute them.

What FullBasin adds

Everything computed on top of that grid: the basin mask; the basin groups at Level-01, Level-02 and Level-03 (tables and outlines); and the region masks at 160, 80 and 40 square degrees (30 m rasters) with their tables. Released as rasters, tables and vectors under CC BY 4.0.

The masks come from FlowDivide, one of the Flow packages — the same one that cut the 90 m grid. The per-pixel layers will come from FlowTopo and FlowMorph, as at 90 m.

Basin and region mask Downloads

Site under development — for browsing only, not for download yet. Some results are still being recomputed with refined methods, so the files here may still be replaced. Any changes to the results are small refinements, not major revisions. When this notice is gone, the files are final and ready to download. Comments are welcome: [email protected]