Free Datasets

Earth Science

17 datasets

Earth science data spans satellites, oceans, the solid earth and water. NASA's EOSDIS is the main gateway for Earth observation products, and 38-Cloud provides Landsat 8 scenes with pixel-level cloud masks. Ocean data comes from IMOS (roughly 30TB of measurements), BODC, the Alabama Real-Time Coastal Observing System and NOAA's estuarine monitoring program. Geohazard records include the USGS earthquake archives and the Smithsonian Global Volcano and Eruption Database.

Water and resources are covered by FAO's AQUASTAT, the Global Wind Atlas, the UK Oil and Gas Authority's well, seismic survey and pipeline data, and a US water hardness table. NASA Earthdata downloads need a free Earthdata login. Satellite and ocean products are often HDF5, NetCDF or GeoTIFF with their own processing levels, so read the product guide to see whether values are raw, calibrated or gridded before you combine them.

Contains 38 Landsat 8 scene images and their manually extracted pixel-level ground truths for cloud detection. They are cropped into multiple 384*384 patches. It has 8400 patches for training and 9201 patches for testing.

GitHubupdated 6y ago

Global Wind Atlasglobalwindatlas.info

The Global Wind Atlas is a free, web-based application developed to help policymakers, planners, and investors identify high-wind areas for wind power generation virtually anywhere in the world, and then perform preliminary calculations. The Global Wind Atlas facilitates online queries and provides…

Apache 2.0

Maintained public index of ~400 researched US hot springs (names, GPS coordinates, reported temperatures, access type). Picks up where NOAA's national thermal springs dataset left off after its 2025 decommissioning, with per-record status curation. JSON, free to use.

JSONCC BYUpdated monthlyUnited States2026
O

Oil and Gas Authority Open DataOil and Gas Authority, UK

The dataset covers 12,500 offshore wellbores, 5,000 seismic surveys, and 3,000 pipelines over more than five decades.

OGL

2,928 named dive, kite, surf and freedive sites joined to 112,548 OBIS + GBIF marine species occurrences within 5 km of each site (with a family-level terrestrial-noise filter), per-spot 5-year daily climate aggregates (Open-Meteo + ERA5), and 34,876 OpenFlights direct routes. One citable bundle…

CC BYglobal, point sites

Radiance GeoJSON — Global Light PollutionRadiance GeoJSON (project repository)

Global nighttime light pollution dataset derived from VIIRS Nighttime Lights imagery, offering 0.5 km resolution radiance values, MPSAS sky brightness, and Bortle scale classifications for 173 countries. Available as compressed GeoJSON files (.json.gz) and a PostgreSQL/PostGIS database dump (3.2GB…

GeoJSONResearch archive2025

Measured drinking-water hardness for 16,561 US cities (mg/L as calcium carbonate and grains per gallon), each value carrying its source, tier, and sample date. Built from public primary sources - utility Consumer Confidence Reports, the EPA/USGS Water Quality Portal, and USGS classification bands…

CSVJSONCC BYUnited States2026

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About Synced Oct 16, 2026

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