Landsat Missions

Cloud Cover Assessment Validation Datasets

Landsat Cloud Cover Assessment (CCA) validation datasets are comprised of satellite imagery and accompanying cloud truth masks that specify which Landsat pixels in a scene are cloudy or clear, or have other conditions such as cloud shadow.

Landsat Pre-Collection

Landsat Pre-Collection

A validation dataset created using Landsat Pre-Collection Landsat 4-5 TM, Landsat 7, and Landsat 8 images. (2012)

Pre-Collection Data

Landsat 8 Collection 1

Landsat 8 Collection 1

A cloud validation cloud truth mask validation set created using Landsat 8 Collection 1 images. (June 2021)

L8 Collection 1 Data

Landsat 8 Collection 2

Landsat 8 Collection 2

A cloud validation cloud truth mask validation set created using Landsat 8 Collection 2 images. (September 2021)

L8 Collection 2 Data