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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 acquire, use, and derive NDVI imagery from Landsat and MODIS.
Training
Feb. 10 - March 2, 2016
This ARSET training explores how the R statistical coding language can be used to classify land cover and quantify changes in land cover over time.
Training
Feb. 24-26, 2026
This ARSET training introduces STREAM, a web tool for monitoring chlorophyll-a concentration, Secchi disk depth, and total suspended solids in inland lakes and coastal regions.
Training
Feb. 10-17, 2026
Using SNWG's OPERA DSWx product, USGS is able to monitor streamflow from space, augmenting hazardous in-person collection techniques.
Data in Action
July 8, 2025
Learn how to search for, access, and process HLS data.
External Resource
GitHub Repository
Sept. 20, 2024
Find, download, and subset HLS data from a command line executable.
External Resource
GitHub Repository
April 16, 2025
Find and download HLS data.
External Resource
GitHub Repository
May 1, 2024
Tutorial demonstrating how to search for, access, and process HLS data in R.
External Resource
GitHub Repository
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These new vegetation indices offer the same near-global coverage, and 30-meter spatial resolution as the initial HLS products.
News
Feb. 19, 2025
Image captured on February 2, 2025, from the OLI instrument aboard the Landsat 8 satellite.
Worldview Image of the Week
Feb. 6, 2025
To celebrate GIS Day, take a peek at these illuminating examples of NASA Earth Science leveraging Geographic Information Systems (GIS) to understand our home planet.
News
Nov. 20, 2024
False-color reflectance image of burned areas near the Greek town of Marathon acquired on Aug 18, 2024.
Worldview Image of the Week
Aug. 22, 2024
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Frequently Asked Questions
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