GEM: CC BY 4.0; source tracker URLs in copy.js. Downloaded editions: geothermal and hydro March 2026, wind February 2026. SORAH grouped co-located records and encoded capacity by circle area.
NOAA ETOPO 2022 / NCEP–NCAR: US government data; scientific terrain and wind derivatives.
Natural Earth: public domain.
HydroRIVERS: HydroSHEDS license and mandatory terms in hydrorivers-credits.html. Derived river cartography only; no original bulk segments.
Global Wind Atlas 4.0: DTU and World Bank, CC BY 4.0.
Full processing and source URLs: data/layers-provenance.json.

Data obtained from the Global Wind Atlas version 4.0, a free, web-based application developed, owned and operated by the Technical University of Denmark (DTU). Released in partnership with the World Bank Group, using Vortex data and ESMAP funding. SORAH: spatial averaging, reprojection and custom colour scale; no endorsement implied. Davis et al. (2023), BAMS 104, E1507–E1525. https://doi.org/10.1175/BAMS-D-21-0075.1
https://globalwindatlas.info/about/TermsOfUse