Global 30m Height Above Nearest Drainage (HAND)

The Global 30m Height Above Nearest Drainage (HAND) dataset is a crucial terrain model that normalizes topography to the relative heights along the drainage network. It is designed to describe relative soil gravitational potentials or local drainage potentials, with each pixel value indicating the vertical distance to the nearest drainage. This comprehensive dataset provides near-worldwide land coverage at a detailed 30-meter resolution, making it valuable for various geospatial applications.

Produced from the 2021 release of the Copernicus GLO-30 Public DEM, as distributed in the Registry of Open Data on AWS, the HAND data is managed by The Alaska Satellite Facility (ASF). The dataset is licensed under the Creative Commons Zero (CC0) 1.0 Universal License, ensuring broad accessibility and use. Updates to the HAND data are contingent on updates to the underlying Copernicus GLO-30 Public dataset.

This resource is available on the Registry of Open Data on AWS, and further documentation can be found at https://glo-30-hand.s3.us-west-2.amazonaws.com/readme.html. For citation, users should reference the dataset as "Global 30m Height Above Nearest Drainage (HAND) was accessed on DATE from https://registry.opendata.aws/glo-30-hand." Contact information for ASF is available at https://asf.alaska.edu/asf/contact-us/.