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 change detection methods, including image subtraction, classification, and analysis.
Training
Sept. 28 - Oct. 5, 2018
This ARSET training covers how to conduct an accuracy assessment on a land cover map and identify which classes might be misrepresented.
Training
Feb. 13-20, 2018
This ARSET training provides an overview of remote sensing products, tools, and applications for ecological modeling.
Training
Sept. 7-28, 2017
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
SHOWING 8 OF 82
Image captured on Feb 18, 2024, by the MSI instrument aboard ESA's Sentinel 2B satellite.
Worldview Image of the Week
Feb. 22, 2024
The open-source Cyanobacteria Finder (CyFi) uses machine learning to pinpoint areas that may contain harmful algal blooms in lakes, reservoirs, rivers, and other small water bodies.
Blog
Feb. 13, 2024
NASA researchers are tweaking algorithms and combining data from multiple satellites to track tropical forest fires in Brazil.
Feature Article
Feb. 1, 2024
Image captured on Jan 20, 2024, by the OLI and OLI-2 instruments aboard the NASA/USGS Landsat 8 and 9 satellites.
Worldview Image of the Week
Jan. 25, 2024
SHOWING 4 OF 66
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