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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.



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)]
References in periodicals archive ?
In part two of this study, we examine five years of Landsat imagery surrounding the 27 April 2011 tornado outbreak to compare a forest disturbance index (DI) to NDVI in and around five tornado tracks.
In this module, the preprocessing of Landsat and SAR images are performed.
Spectral Indices on LANDSAT dataset proves to be a valuable image processing technique for discriminating different structures and rock types.
In contrast, the features were very unclear in the same images captured by Landsat 8, the DOST said.
Google Earth's previous mosaic of satellite images only used images from the Landsat 7, however, the company notes in its blog that the satellite suffered from a hardware failure in 2003.
Landsat and almost all of the 1,000 operational satellites in orbit today were not designed to be serviced, he said.
Although albedo has been used in many researches involving radiation and energy balances based on TM or ETM+ images, there are no published studies that allow its determination using images from OLI (Operational Land Imager), aboard Landsat 8, launched on February 11, 2013 by NASA (National Aeronautics and Space Administration).
El presente trabajo tuvo como objetivo analizar por medio de metodos empiricos, la influencia de los diferentes estratos del dosel en la formacion de la reflectancia de datos Landsat TM.
The Sierra National Forest is the forest that has been most often remotely sensed in California; nine of the papers we reviewed focused on this forest; it has been mapped with large- and small-footprint, discrete and waveform Lidar, as well as with Landsat, Quickbird and other sensors.
ROIs) based on the reference map were determined by choosing one or more polygons for each class based on visual analysis of the land cover map and Landsat data.
WASHINGTON (CyHAN)- Every full moon, Landsat 8 turns its back on Earth.
It processed more than 650,000 Landsat 7 satellite images from between 1999 and 2012 using Google Earth Engine.