We are in the process of migrating all NASA Earth science data sites into Earthdata from now until end of 2026. Not all NASA Earth science data and resources will appear here until then. Thank you for your patience as we make this transition.
Read about the Web Unification Project
OLI Resources
Earthdata resources for users working with NASA’s Operational Land Imager (OLI) include tutorials and other learning resources, news announcements such as instrument updates and data releases, user guides and related documents, and frequently asked questions.
OLI Learning Resources
This ARSET training covers how to use remote sensing to identify impaired water quality from harmful algal blooms.
Training
Sept. 5-26, 2017
This ARSET training provides an overview of drought classification and web-based tools for drought monitoring and visualization.
Training
July 12-19, 2017
This ARSET training covers how to access and apply satellite data relevant to land indicators, such as estimating total forest area and forest change.
Training
June 20-22, 2017
This ARSET training focuses on using satellite imagery for land cover classification.
Training
Jan. 31 - Feb. 7, 2017
This ARSET training covers NASA soil moisture and evapotranspiration products and how to access and apply them for water resource management.
Training
Sept. 1-29, 2016
This ARSET training provides an overview of carbon monitoring for terrestrial ecosystems.
Training
June 9 - July 7, 2016
This ARSET training focuses on regional and global observation resources for conservation management.
Training
May 5 - June 2, 2015
SHOWING 7 OF 79
An upcoming training offered by NASA's ARSET program introduces a web-based platform for monitoring lake and coastal water conditions using satellite data.
News
Dec. 19, 2025
Harmonized Landsat and Sentinel-2 (HLS) image captured on December 1, 2025, by the OLI instrument aboard the Landsat 8 platform.
Worldview Image of the Week
Dec. 12, 2025
The addition of HLS data to Azure provides a foundation for next-generation Earth observation capabilities.
Blog
Sept. 30, 2025
Harmonized Landsat Sentinel-2 (HLS) image captured on August 30, 2025, by the OLI instrument aboard the Landsat 8 platform.
Worldview Image of the Week
Sept. 4, 2025
SHOWING 4 OF 64
Frequently Asked Questions
Earthdata Forum
Our online forum provides a space for users to browse thousands of FAQs about research needs, data, and data applications. You can also submit new questions for our experts to answer.
Submit Questions to Earthdata Forumand View Expert Responses