dataset · Global

USGS Landsat 4 TM Collection 2 Tier 1 TOA Reflectance

Landsat 4 TM Collection 2 Tier 1 calibrated top-of-atmosphere (TOA) reflectance. Calibration coefficients are extracted from the image metadata. See [Chander et al. (2009)](https://www.sciencedirect.com/science/article/pii/S0034425709000169) for details on the TOA computation.

Source details

Licence: PDDL-1.0

Evidence quality: 12

Listed in gee public catalogue API on 2026-10-16; relevance/value screened (haiku).

Metadata checked: 2026-10-14T13:20:00.000Z

Evidence

• ee.ImageCollection('LANDSAT/LT04/C02/T1_TOA')
• https://developers.google.com/earth-engine/datasets/catalog/LANDSAT_LT04_C02_T1_TOA

Check upstream coverage, uncertainty and licence before use. Station observations are not forecasts or design levels.