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Question:

Where can I find the latest information about Landsat data products?

Answer:

There are a number of Landsat data products that are useful for science applications and land use/ land change studies: 

Landsat Collection 1 Level 1 — ensures that the data in the Landsat Level-1 archive are consistent in processing and data quality to support time-series analyses and data stacking.

U.S. Landsat Analysis Read Data (ARD) — uses Landsat Collection 1 Level-1 data as input to provide data that is processed to highest scientific standards, and placed in a tile-based structure to support time-series analysis.

Landsat Science Products — includes Level-2 and Level-3 products that contain higher-level data to allow scientists to better document changes to Earth's terrestrial environment.