---
license: cc-by-4.0
pretty_name: "HydroATLAS"
tags:
  - hydrology
  - geospatial
  - geoparquet
task_categories:
  - other
---

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# HydroATLAS

8 sub-basin polygons (level 1 sample) and 50,000 river reaches (sampled), modernized to GeoParquet from HydroATLAS v1.0. This 10-dataset pipeline run uses a sampled subset for memory/time reasons -- see the dedicated HydroATLAS notebook for the full 12-level, 281-attribute treatment.

## Source & Citation
Linke, S., Lehner, B., Ouellet Dallaire, C. et al. (2019). Scientific Data, 6, 283. https://doi.org/10.1038/s41597-019-0300-6

## License
CC BY 4.0 at the collective-database level; individual attributes may carry CC BY 4.0 or ODbL 1.0.