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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

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Landsat image shows the marine stratus and stratocumulus cloud layer that moved into the San Francisco Bay-Delta

How is the percentage of cloud cover calculated in a Landsat scene?

The C Function of Mask (CFMask) algorithm is used in Landsat Collection 1 Level-1 data processing. This algorithm provides a full-image “Scene Cloud Cover” estimation of the percentage of cloud cover calculated over an entire Landsat scene. Land Cloud Cover, which is also included, is determined by calculating the percentage of clouds over land-only pixels in a scene using a mask that...

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How is the percentage of cloud cover calculated in a Landsat scene?

The C Function of Mask (CFMask) algorithm is used in Landsat Collection 1 Level-1 data processing. This algorithm provides a full-image “Scene Cloud Cover” estimation of the percentage of cloud cover calculated over an entire Landsat scene. Land Cloud Cover, which is also included, is determined by calculating the percentage of clouds over land-only pixels in a scene using a mask that...

Learn More
link
Aug 2013 Response Linearization Look Up Tables Update Close up - Band 6

What are Landsat Response Linearization Look Up Tables?

Landsat Response Linearization Look Up Tables (RLUT) are additional files that accompany Calibration Parameter Files (CPFs) and contain a mapping lookup table to linearize the output of the Landsat 8 and Landsat 9 Operational Land Imager (OLI) detectors. Learn more (and download RLUT files): Landsat Response Linearization Look Up Tables

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What are Landsat Response Linearization Look Up Tables?

Landsat Response Linearization Look Up Tables (RLUT) are additional files that accompany Calibration Parameter Files (CPFs) and contain a mapping lookup table to linearize the output of the Landsat 8 and Landsat 9 Operational Land Imager (OLI) detectors. Learn more (and download RLUT files): Landsat Response Linearization Look Up Tables

Learn More
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Crop of Landsat 7 Path 38 Row 35, Acquired March 29, 2013

What is Landsat 7 ETM+ SLC-off data?

Landsat 7 ETM+ SLC-off data refers to all Landsat 7 images collected after May 31, 2003, when the Scan Line Corrector (SLC) failed. These products have data gaps, but are still useful and maintain the same radiometric and geometric corrections as data collected prior to the SLC failure. See the Landsat 7 website for information about the SLC-off data products.

link

What is Landsat 7 ETM+ SLC-off data?

Landsat 7 ETM+ SLC-off data refers to all Landsat 7 images collected after May 31, 2003, when the Scan Line Corrector (SLC) failed. These products have data gaps, but are still useful and maintain the same radiometric and geometric corrections as data collected prior to the SLC failure. See the Landsat 7 website for information about the SLC-off data products.

Learn More
link
White Sands Radiometric Calibration Site

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

link

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

Learn More
link
Calibration/Validation Test Sites

What are Landsat Calibration Parameter Files?

Landsat Calibration Parameter Files (CPFs) provide radiometric and geometric coefficients needed for processing of raw, uncorrected Landsat image data into Level-1 data products. Over 15,000 coefficients are issued to span distinct timeframes and are updated with improved calibration coefficients. CPFs are often updated with improved coefficients. Learn more (and search CPF files): Landsat...

link

What are Landsat Calibration Parameter Files?

Landsat Calibration Parameter Files (CPFs) provide radiometric and geometric coefficients needed for processing of raw, uncorrected Landsat image data into Level-1 data products. Over 15,000 coefficients are issued to span distinct timeframes and are updated with improved calibration coefficients. CPFs are often updated with improved coefficients. Learn more (and search CPF files): Landsat...

Learn More
link
Landsat 7 100,000th orbit image

What is the Landsat Collections Saturation Bits parameter?

The Landsat Collection 1 Level-1 product metadata (MTL.txt) file includes a SATURATION_BAND_ x” parameter for each Landsat band. This field indicates the presence of radiometric saturation for each band in every Landsat scene. Learn more: Landsat Collections Level-1 Saturation Bits Parameter

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What is the Landsat Collections Saturation Bits parameter?

The Landsat Collection 1 Level-1 product metadata (MTL.txt) file includes a SATURATION_BAND_ x” parameter for each Landsat band. This field indicates the presence of radiometric saturation for each band in every Landsat scene. Learn more: Landsat Collections Level-1 Saturation Bits Parameter

Learn More
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Landsat benefiting society for fifty years

Since 1972, data acquired by the Landsat series of satellites have become integral to land management for both government and the private sector, providing scientists and decision makers with key information about agricultural productivity, ice sheet dynamics, urban growth, forest monitoring, natural resource management, water quality, and supporting disaster response. Landsat 9 continues the miss
By
Earth Resources Observation and Science Center, National Land Imaging Program, Earth Resources Observation and Science (EROS) Center , Landsat Missions

U.S. Landsat Analysis Ready Data

U.S. Landsat Analysis Ready Data (ARD) are a revolutionary new U.S. Geological Survey science product that allows the Landsat archive to be more accessible and easier to analyze and reduces the amount of time users spend on data processing for monitoring and assessing landscape change. U.S. Landsat ARD are Level-2 products derived from Landsat Collections Level-1 precision and terrain-corrected sc
By
Earth Resources Observation and Science Center, Earth Resources Observation and Science (EROS) Center , Landsat Missions

Landsat Collections

In 2016, the U.S. Geological Survey reorganized the Landsat archive into a tiered collection structure, which ensures that Landsat Level-1 products provide a consistent archive of known data quality to support time-series analyses and data “stacking” while controlling continuous improvement of the archive and access to all data as they are acquired. Landsat Collection 1 required the reprocessing o
By
Earth Resources Observation and Science Center, Earth Resources Observation and Science (EROS) Center , Landsat Missions

Related Content

  • FAQ
    link
    Landsat image shows the marine stratus and stratocumulus cloud layer that moved into the San Francisco Bay-Delta

    How is the percentage of cloud cover calculated in a Landsat scene?

    The C Function of Mask (CFMask) algorithm is used in Landsat Collection 1 Level-1 data processing. This algorithm provides a full-image “Scene Cloud Cover” estimation of the percentage of cloud cover calculated over an entire Landsat scene. Land Cloud Cover, which is also included, is determined by calculating the percentage of clouds over land-only pixels in a scene using a mask that...

    link

    How is the percentage of cloud cover calculated in a Landsat scene?

    The C Function of Mask (CFMask) algorithm is used in Landsat Collection 1 Level-1 data processing. This algorithm provides a full-image “Scene Cloud Cover” estimation of the percentage of cloud cover calculated over an entire Landsat scene. Land Cloud Cover, which is also included, is determined by calculating the percentage of clouds over land-only pixels in a scene using a mask that...

    Learn More
    link
    Aug 2013 Response Linearization Look Up Tables Update Close up - Band 6

    What are Landsat Response Linearization Look Up Tables?

    Landsat Response Linearization Look Up Tables (RLUT) are additional files that accompany Calibration Parameter Files (CPFs) and contain a mapping lookup table to linearize the output of the Landsat 8 and Landsat 9 Operational Land Imager (OLI) detectors. Learn more (and download RLUT files): Landsat Response Linearization Look Up Tables

    link

    What are Landsat Response Linearization Look Up Tables?

    Landsat Response Linearization Look Up Tables (RLUT) are additional files that accompany Calibration Parameter Files (CPFs) and contain a mapping lookup table to linearize the output of the Landsat 8 and Landsat 9 Operational Land Imager (OLI) detectors. Learn more (and download RLUT files): Landsat Response Linearization Look Up Tables

    Learn More
    link
    Crop of Landsat 7 Path 38 Row 35, Acquired March 29, 2013

    What is Landsat 7 ETM+ SLC-off data?

    Landsat 7 ETM+ SLC-off data refers to all Landsat 7 images collected after May 31, 2003, when the Scan Line Corrector (SLC) failed. These products have data gaps, but are still useful and maintain the same radiometric and geometric corrections as data collected prior to the SLC failure. See the Landsat 7 website for information about the SLC-off data products.

    link

    What is Landsat 7 ETM+ SLC-off data?

    Landsat 7 ETM+ SLC-off data refers to all Landsat 7 images collected after May 31, 2003, when the Scan Line Corrector (SLC) failed. These products have data gaps, but are still useful and maintain the same radiometric and geometric corrections as data collected prior to the SLC failure. See the Landsat 7 website for information about the SLC-off data products.

    Learn More
    link
    White Sands Radiometric Calibration Site

    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

    link

    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

    Learn More
    link
    Calibration/Validation Test Sites

    What are Landsat Calibration Parameter Files?

    Landsat Calibration Parameter Files (CPFs) provide radiometric and geometric coefficients needed for processing of raw, uncorrected Landsat image data into Level-1 data products. Over 15,000 coefficients are issued to span distinct timeframes and are updated with improved calibration coefficients. CPFs are often updated with improved coefficients. Learn more (and search CPF files): Landsat...

    link

    What are Landsat Calibration Parameter Files?

    Landsat Calibration Parameter Files (CPFs) provide radiometric and geometric coefficients needed for processing of raw, uncorrected Landsat image data into Level-1 data products. Over 15,000 coefficients are issued to span distinct timeframes and are updated with improved calibration coefficients. CPFs are often updated with improved coefficients. Learn more (and search CPF files): Landsat...

    Learn More
    link
    Landsat 7 100,000th orbit image

    What is the Landsat Collections Saturation Bits parameter?

    The Landsat Collection 1 Level-1 product metadata (MTL.txt) file includes a SATURATION_BAND_ x” parameter for each Landsat band. This field indicates the presence of radiometric saturation for each band in every Landsat scene. Learn more: Landsat Collections Level-1 Saturation Bits Parameter

    link

    What is the Landsat Collections Saturation Bits parameter?

    The Landsat Collection 1 Level-1 product metadata (MTL.txt) file includes a SATURATION_BAND_ x” parameter for each Landsat band. This field indicates the presence of radiometric saturation for each band in every Landsat scene. Learn more: Landsat Collections Level-1 Saturation Bits Parameter

    Learn More
  • Multimedia
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  • Publications

    Landsat benefiting society for fifty years

    Since 1972, data acquired by the Landsat series of satellites have become integral to land management for both government and the private sector, providing scientists and decision makers with key information about agricultural productivity, ice sheet dynamics, urban growth, forest monitoring, natural resource management, water quality, and supporting disaster response. Landsat 9 continues the miss
    By
    Earth Resources Observation and Science Center, National Land Imaging Program, Earth Resources Observation and Science (EROS) Center , Landsat Missions

    U.S. Landsat Analysis Ready Data

    U.S. Landsat Analysis Ready Data (ARD) are a revolutionary new U.S. Geological Survey science product that allows the Landsat archive to be more accessible and easier to analyze and reduces the amount of time users spend on data processing for monitoring and assessing landscape change. U.S. Landsat ARD are Level-2 products derived from Landsat Collections Level-1 precision and terrain-corrected sc
    By
    Earth Resources Observation and Science Center, Earth Resources Observation and Science (EROS) Center , Landsat Missions

    Landsat Collections

    In 2016, the U.S. Geological Survey reorganized the Landsat archive into a tiered collection structure, which ensures that Landsat Level-1 products provide a consistent archive of known data quality to support time-series analyses and data “stacking” while controlling continuous improvement of the archive and access to all data as they are acquired. Landsat Collection 1 required the reprocessing o
    By
    Earth Resources Observation and Science Center, Earth Resources Observation and Science (EROS) Center , Landsat Missions