What are Landsat 5 TM "no-Payload Correction Data" scenes?

Payload Correction Data (PCD) provides critical information when correcting for geometric distortions inherent to the imaging system and temperature values used to estimate per-scan gains and biases necessary for the radiometric calibration of the instrument's thermal band data.

Over 260,000 Landsat 5 Thematic Mapper (TM) scenes acquired between January 1986 and December 1999, originally downlinked to international ground stations, lack the necessary PCD.

Learn more: Landsat no-PCD 

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How does data from Sentinel-2A’s MultiSpectral Instrument compare to Landsat data?

The Sentinel-2A MultiSpectral Instrument (MSI) data has spectral bands very similar to Landsat 8 (excluding the thermal bands of Landsat 8’s Thermal Infrared Sensor). Comparison of Landsat 7 and 8 bands with Sentinel-2 Source: https://landsat.gsfc.nasa.gov/wp-content/uploads/2015/06/...

What is Landsat definitive ephemeris?

Definitive Ephemeris is used for geometrically correcting Landsat 7 data and providing improved accuracy over predicted ephemeris. Learn more (and download DE files): Landsat Definitive Ephemeris

What are Landsat Bias Parameter Files?

Landsat Bias Parameter Files (BPFs) supply radiometric correction parameters that are applied during Level-1 processing of Landsat data. Learn more (and search for BPF files): Landsat Bias Parameter

What is the Landsat Collections Angle Coefficient file and how is it used?

The Landsat Collection 1 Angle Coefficient file provides sensor viewing angle model coefficients that can be used to create angle bands, and allows users to compute the solar and sensor viewing angles on a per-pixel basis. Learn more: Solar Illumination and Sensor Viewing Angle Coefficient Files

How do I rescale Landsat Level-1 digital numbers to reflectance, radiance, and brightness temperature?

Landsat Level-1 data can be rescaled to the top of atmosphere (TOA) reflectance and/or radiance using radiometric rescaling coefficients provided in the metadata file (MTL.txt) that is delivered with the Landsat Level-1 product. The MTL file also contains the thermal constants needed to convert thermal band data to TOA brightness temperature (BT...

After a Landsat scene is collected, when will it become available for search and download?

Landsat scenes directly downlinked to the USGS EROS Landsat Ground Station become available through EarthExplorer within 6 hours after acquisition, and then become visible in GloVis and the LandsatLook Viewe r within 24 hours. Scenes downlinked to other USGS Ground Stations can be available within 1 to 2 weeks. Scenes downlinked to International...
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December 31, 2017

Landsat Collections

Landsat Collections: Providing a Stable Environmental Record for Time Series Analysis

This video introduces the new U.S. Geological Survey (USGS) Landsat Collection 1 inventory structure. Collection 1 required the reprocessing of all archived Landsat data to achieve radiometric and geometric consistency of Level-1 products through time and across all Landsat sensors

September 19, 2017

Landsat Collections — What are Tiers?

This is the third video in a series describing the new U.S. Geological Survey (USGS) Landsat Collection 1 inventory structure. Collection 1 required the reprocessing of all archived Landsat data to achieve radiometric and geometric consistency of Level-1 products through time and across all Landsat sensors. This video explains how Landsat Collection Level-1 data products

Landsat TM No-Payload Correction Data Example

Landsat TM No-Payload Correction Data Example

This image displays how geometric disturbances typically associated with a Landsat TM No-Payload Correction Data product will not show up as a readily visible scan-to-scan displacement. 

 

The green dots on this map denote the coverage of Landsat Thematic Mapper (TM) no-Payload Correction Data (PCD)

Landsat TM No-Payload Correction Data Map

The green dots on this map denote the coverage of Landsat Thematic Mapper (TM) no-Payload Correction Data (PCD). 

Landsat TM No-Payload Correction Data Geometric Distortions

Landsat TM No-Payload Correction Data Geometric Distortions

This image displays the geometric distortions seen in Landsat TM No-Payload Correction Data (left images), along with the reference images (right) to  measure the magnitude of the distortions