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Available on 2 platforms
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NASA's Simulated Topological Network (STN-30p) dataset models the potential global river system at 0.5 and 1.0-degree spatial resolutions. It assigns one of eight cardinal flow directions to every continental land grid cell, representing connectivity regardless of actual river presence. The data was developed for the ISLSCP II initiative, with source metadata indicating a 1995 creation date but platform records showing a 2026 administrative update.
License is specified as 'other-license-specified'; users must investigate the specific terms. The dataset models a *potential* river network, not observed channels.