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Any of various satellites operated by US government organizations, used to gather data for constructing images of the earth's surface.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.



a U.S. scientific satellite that studies and photographs the earth's surface by using remote-sensing techniques.
[1975–80; land (or land(sensing)) + sat (ellite)]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
References in periodicals archive ?
For monitoring and mapping purpose of earth surface, one of the most valuable satellite datasets archive above 45 year available from Landsat data (Kennedy et al., 2014; Coppin and Bauer, 1994).
He was the catalyst behind many new innovations for the Landsat 7mission.
Especificamente, o sensor OLI (Operational Land Imager) do satelite Landsat 8 e o sensor Theos (Thailand Earth Observation Satellite).
The Landsat images and weather data are the two major inputs parameters in the vegetation index method.
For example, relatively medium-resolution sensors, such as Landsat, and relatively low-resolution sensors, such as MODIS, are deployed as long-term Earth observatories.
Hours after the Landsat 7 photograph was taken, Culbertson was writing his letter aboard the space station, in which, commenting on the still-visible smoke, he said: "It's horrible to see smoke pouring from wounds in your own country from such a fantastic vantage point.
Behind these indices, the tasselled cap transformation (TCT), which is calculated for Landsat 8 imagery, is used to compact spectral data into a few bands associated with physical scene characteristics with minimal information loss (Baig et al.
N--dimension of the data (09 images, Landsat orbits/ points 223/76, 222/76, 221/76, 223/77, 222/77, 221/77, 223/78, 22/78 and 221/78 or IRS orbits/points 324/94, 325/94, 326/94, 327/94, 324/95, 325/95, 326/95, 327/95 and 328/95 illustrated in Figure 1); and,
In this module, the preprocessing of Landsat and SAR images are performed.
The availability of the high spatial resolution and multitemporal satellite imagery from the archived Landsat datasets provides a unique opportunity for the monitoring of land degradation and desertification.