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Annual National Land Cover Database (NLCD) Collection 1 Summary Land Cover Change Index 1985-2023 Conterminous United States

The USGS Land Cover program has combined the tried-and-true methodologies from premier land cover projects, National Land Cover Database (NLCD) and Land Change Monitoring, Assessment, and Projection (LCMAP), together with modern innovations in geospatial deep learning technologies to create the next generation of land cover and land change information. The product suite is called, “Annual NLCD” and includes six annual products that represent land cover and surface change characteristics of the U.S.: 1) Land Cover, 2) Land Cover Change, 3) Land Cover Confidence, 4) Fractional Impervious Surface, 5) Impervious Descriptor, and 6) Spectral Change Day of Year. These land cover science product algorithms harness the remotely sensed Landsat data record to provide state-of-the-art land surface change information needed by scientists, resource managers, and decision-makers. Annual NLCD uses a modernized, integrated approach to map, monitor, synthesize, and understand the complexities of land use, cover, and condition change. With this first release, Annual NLCD, Collection 1.0, the six products are available for the Conterminous U.S. for 1985 – 2023. Questions about the Annual NLCD product suite can be directed to the Annual NLCD mapping team at USGS EROS, Sioux Falls, SD (605) 594-6151 or custserv@usgs.gov. See included spatial metadata for more details. The Land Cover Change Index product summarizes Annual NLCD Land Cover change into 15 change classes. These classes are intended to communicate thematic change impact, and were based on the following hierarchy: water, urban, wetland, herbaceous wetland, agriculture, cultivated crop, hay pasture, rangeland grass and shrub, barren, woody wetland, forest type, urban within, forest transition mixed rangeland and forest change, and forest transition mixed rangeland and shrub/scrub change.

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Author(s) U.S. Geological Survey
Publication Date 2024-10-24
Beginning Date of Data 1985
Ending Date of Data 2023
Data Contact
DOI https://doi.org/10.5066/P94UXNTS
Citation Survey, U.G., 2024, Annual National Land Cover Database (NLCD) Collection 1 Summary Land Cover Change Index 1985-2023 Conterminous United States: U.S. Geological Survey data release, https://doi.org/10.5066/P94UXNTS.
Metadata Contact
Metadata Date 2024-10-24
Related Publication
Citations of these data No citations of these data are known at this time.
Access public
License http://www.usa.gov/publicdomain/label/1.0/
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Harvest Source: ScienceBase
Harvest Date: 2024-10-25T04:48:33.010Z