The next Landsat satellite: The Landsat Data Continuity Mission

The next Landsat satellite: The Landsat Data Continuity Mission

2012 | James R. Irons, John L. Dwyer, and Julia A. Barsi
The Landsat Data Continuity Mission (LDCM) is the successor to Landsat 7, designed to maintain the continuity of Earth observation data. NASA is responsible for building and launching the satellite, while the U.S. Geological Survey (USGS) is developing the ground system and will manage satellite operations and data collection. The LDCM will include two sensors: the Operational Land Imager (OLI) and the Thermal Infrared Sensor (TIRS). The OLI will collect multispectral data across nine spectral bands with a 30 m spatial resolution, while the TIRS will collect thermal data across two bands with a 100 m resolution. Both sensors will provide data consistent with previous Landsat missions, allowing for long-term studies of land cover and land use changes. The LDCM is scheduled for launch in December 2012 and will be renamed Landsat 8 after launch. The mission will extend the 40-year Landsat data archive with images that are sufficiently consistent with earlier data to allow multi-decadal studies of Earth's landscapes. The LDCM will provide free access to data products for the public, supporting environmental monitoring and research. The mission is part of a long-term effort to ensure continuous Earth observation data, with the LDCM being the third strategy attempted by NASA and USGS to achieve this goal. The LDCM will operate in a near-polar, sun-synchronous orbit, collecting data for seasonal coverage of the global land surface. The ground system will manage data collection, processing, and distribution, ensuring the data is archived and available for public use. The LDCM will also include on-orbit calibration to ensure data accuracy and consistency. The mission is expected to provide valuable data for environmental monitoring, climate studies, and land use analysis.The Landsat Data Continuity Mission (LDCM) is the successor to Landsat 7, designed to maintain the continuity of Earth observation data. NASA is responsible for building and launching the satellite, while the U.S. Geological Survey (USGS) is developing the ground system and will manage satellite operations and data collection. The LDCM will include two sensors: the Operational Land Imager (OLI) and the Thermal Infrared Sensor (TIRS). The OLI will collect multispectral data across nine spectral bands with a 30 m spatial resolution, while the TIRS will collect thermal data across two bands with a 100 m resolution. Both sensors will provide data consistent with previous Landsat missions, allowing for long-term studies of land cover and land use changes. The LDCM is scheduled for launch in December 2012 and will be renamed Landsat 8 after launch. The mission will extend the 40-year Landsat data archive with images that are sufficiently consistent with earlier data to allow multi-decadal studies of Earth's landscapes. The LDCM will provide free access to data products for the public, supporting environmental monitoring and research. The mission is part of a long-term effort to ensure continuous Earth observation data, with the LDCM being the third strategy attempted by NASA and USGS to achieve this goal. The LDCM will operate in a near-polar, sun-synchronous orbit, collecting data for seasonal coverage of the global land surface. The ground system will manage data collection, processing, and distribution, ensuring the data is archived and available for public use. The LDCM will also include on-orbit calibration to ensure data accuracy and consistency. The mission is expected to provide valuable data for environmental monitoring, climate studies, and land use analysis.
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