An overview of LCMAP Collection 1 science products: Time of Spectral Change, and Spectral Change Magnitude products.
By Land Change Monitoring, Assessment, and Projection
April 28, 2021
The USGS Land Change Monitoring, Assessment, and Projection (LCMAP) initiative has released the first update to its Conterminous United States (CONUS) science products, adding two years of data to a satellite-derived product suite already-unparalleled in its temporal density.
LCMAP Collection 1.1 marks the first of two planned updates for calendar year 2021. The new collection extends LCMAP’s historical record of land cover and change to 34 years, characterizing the landscapes across CONUS at 30-meter resolution from 1985-2019. A planned fall release will add data for the year 2020.
Collection 1.1 widens the broad scope of scientific and research questions that can be investigated through LCMAP. The 10-product suite can be used to capture the dynamics of wetlands in growth or decline, investigate the ephemeral impacts of hurricanes or rapidly-shifting mining operations, track the pace of coastal erosion or urban growth, to monitor recovery from mudslides and wildfires, and much more.
LCMAP products can also serve as a complement to other USGS Landsat-based mapping efforts, such as the National Land Cover Database.
The LCMAP team at EROS was able to produce the additional data less than one year after the release of Collection 1 thanks in part to algorithm modifications and efficiency improvements that resulted in a 69% reduction in processing time for 35 years of data.
Collection 1.1 data are now available through EarthExplorer. In May, the new data will be added to and available through LCMAP’s interactive web viewer, alongside downloadable CONUS mosaics for each product. The results of a validation assessment of the new LCMAP Collection are also available through ScienceBase.
To learn more about LCMAP Collection 1.1, visit the product page.
Be sure to subscribe to the LCMAP listserv to keep up with product news and updates.
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Related
Collection 1.1 CONUS Science Products
The LCMAP project has generated an integrated suite of annual land cover and land surface change products for the Conterminous United States based on time series data from the Landsat record from 1985–2019. LCMAP Collection 1.1 Science Products are based on the USGS implementation of the Continuous Change Detection and Classification (CCDC) algorithm.
CONUS Science Products
The LCMAP project has generated an integrated suite of annual land cover and land surface change products for the Conterminous United States based on time series data from the Landsat record from 1985–2017. LCMAP Collection 1.0 Science Products are based on the USGS implementation of the Continuous Change Detection and Classification (CCDC) algorithm.
LCMAP - Time of Spectral Change & Spectral Change Magnitude
An overview of LCMAP Collection 1 science products: Time of Spectral Change, and Spectral Change Magnitude products.
LCMAP Collection 1 Science Products - Annual Land Cover Change
An overview of LCMAP Collection 1 Science Products: Annual Land Cover Change
An overview of LCMAP Collection 1 Science Products: Annual Land Cover Change
LCMAP Collection 1 Science Products - Primary & Secondary Land Cover
LCMAP Collection 1 includes 10 Science Products, offering different perspectives for the study of land change across the country, through time. The primary and secondary land cover products, provide important information on the most likely land cover class for each pixel. Their associated confidence products record the level of confidence in each classification.
LCMAP Collection 1 includes 10 Science Products, offering different perspectives for the study of land change across the country, through time. The primary and secondary land cover products, provide important information on the most likely land cover class for each pixel. Their associated confidence products record the level of confidence in each classification.
Related
Collection 1.1 CONUS Science Products
The LCMAP project has generated an integrated suite of annual land cover and land surface change products for the Conterminous United States based on time series data from the Landsat record from 1985–2019. LCMAP Collection 1.1 Science Products are based on the USGS implementation of the Continuous Change Detection and Classification (CCDC) algorithm.
CONUS Science Products
The LCMAP project has generated an integrated suite of annual land cover and land surface change products for the Conterminous United States based on time series data from the Landsat record from 1985–2017. LCMAP Collection 1.0 Science Products are based on the USGS implementation of the Continuous Change Detection and Classification (CCDC) algorithm.
LCMAP - Time of Spectral Change & Spectral Change Magnitude
An overview of LCMAP Collection 1 science products: Time of Spectral Change, and Spectral Change Magnitude products.
An overview of LCMAP Collection 1 science products: Time of Spectral Change, and Spectral Change Magnitude products.
LCMAP Collection 1 Science Products - Annual Land Cover Change
An overview of LCMAP Collection 1 Science Products: Annual Land Cover Change
An overview of LCMAP Collection 1 Science Products: Annual Land Cover Change
LCMAP Collection 1 Science Products - Primary & Secondary Land Cover
LCMAP Collection 1 includes 10 Science Products, offering different perspectives for the study of land change across the country, through time. The primary and secondary land cover products, provide important information on the most likely land cover class for each pixel. Their associated confidence products record the level of confidence in each classification.
LCMAP Collection 1 includes 10 Science Products, offering different perspectives for the study of land change across the country, through time. The primary and secondary land cover products, provide important information on the most likely land cover class for each pixel. Their associated confidence products record the level of confidence in each classification.
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