NASA / USDA OpenET — free Landsat-based evapotranspiration data via API for automated irrigation decision-support
Created 2026-06-20
Summary
Claim: NASA / USDA OpenET provides free Landsat-based evapotranspiration (ET) data, with an API supporting automated retrieval into farm decision-support systems.
Source: https://www.nasa.gov ; https://etdata.org
Confidence: Verified.
Why this matters for Candid: Worked example of high-resolution scientific open data with direct operational value — irrigation timing. For ag-tech / vineyard / orchard SMB clients this is the free first input, replacing paid satellite data.
Related entries
Referenced by (3)
- reference Research brief: live data and data-driven tools for SMBs — when it's an edge, when it's overkill (June 2026) relates-to
- reference E. & J. Gallo Winery — reported using OpenET ET data to "reduce applied water by up to 20%" depends-on
- rule R1 — Rent (or use free) for data ABOUT THE OUTSIDE WORLD; you will never out-collect the Census Bureau depends-on