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Landsat Missions

Global Land Surveys (GLS)

The Global Land Survey (GLS) data sets were designed to allow scientists and data users to have access to a consistent, terrain corrected, coordinated collection of data. Five epochs have been created, each using the primary Landsat sensor in use at the time:

These images of New York City, New York and surrounding areas are examples of the Global Land Surveys (GLS) data sets. From left:  GLS1975, GLS1990, GLS2000, GLS2005, and GLS1010.

These images of New York City, New York and surrounding areas are examples of the Global Land Surveys (GLS) data sets. From left: GLS1975, GLS1990, GLS2000, GLS2005, and GLS1010.

The Landsat data incorporated into each GLS data set meets quality and cloud cover standards, and is processed to the following parameters:

The Global Land Survey data sets are scene-based, and can be searched and downloaded at no charge from EarthExplorer (http://earthexplorer.usgs.gov/) or GloVis (http://glovis.usgs.gov/).


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Page Last Modified: 11/20/14 12:40 pm
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