Additional information on Acknowledging or Crediting USGS as Information The latest available version of NLCD (NLCD 2016) quantified the United States land surface for land cover, percent impervious surface, and percent tree canopy cover from 2001 through 2016 at 2- to 3-year intervals. percentage) cover of shrub, herbaceous, bare ground, litter, sagebrush, and annual herbaceous in each 30-meter pixel in the Western United States. The .gov means its official. The database is designed to provide cyclical updates of United States land cover and associated changes. IKONOS. Below are news stories associated with the National Land Cover Database. Pasture/hay vegetation accounts for greater than 20% of total vegetation. A lock ( Completion of the 2011 National Land Cover Database for the conterminous United States - Representing a decade of land cover change information. The NLCD 2019 design aims to provide innovative, consistent, and robust methodologies for production of a multi-temporal land []. Find journal titles available online and in print. These products have been produced by USGS in collaboration with the Bureau of Land Management. Multi-Resolution Land Characteristics Consortium (U.S.). Remote sensing allows the evaluation of both abrupt and gradual rangeland change at unprecedented spatial and temporal extents. Making Earth System Data Records for Use in Research Environments ( MEaSUREs) Resourcesat-1 and -2 imagery from Indian Space Research Organisation (ISRO) Commercial satellite imagery (e.g. National Land Cover Database 2011 (NLCD 2011) is the most recent national land cover product created by the Multi-Resolution Land Characteristics (MRLC) Consortium. Pixels derived from the Microsoft US Building (Read More), The RCMAP product suite includes nine fractional components: annual herbaceous, bare ground, herbaceous, litter, non-sagebrush shrub, perennial herbaceous, sagebrush, shrub, and tree and the temporal trends of each component. The data have been arranged into four tiles to facilitate timely display and manipulation within a Geographic Information System, browse graphic: nlcd01-partition.jpg The National Land Cover Data Set for 2001 was produced through a cooperative project conducted by the Mul, The land-cover thematic accuracy of NLCD 2001 was assessed from a probability-sample of 15,000pixels. Landfire project. 2018. The National Land Cover Database (NLCD) provides nationwide data on land cover and land cover change at a 30m resolution with a 16-class legend based on a modified Anderson Level II classification system. doi:10.5066/P9KZCM54, NLCD (the National Land Cover Database) is a 30-m Landsat-based land cover database spanning 8 epochs (2001, 2004, 2006, 2008, 2011, 2013, 2016, and 2019). Facebook; Twitter; LinkedIn; Email; . residential/commercial/industrial areas, parks, and golf courses. Discover digital objects and collections curated by the UW-Digital Collections Center. All images include the landcover classification scheme described in the Product Legend. Impervious surfaces account for less than 20% of total cover. Developed areas that are The USGS Earth Resources Observation and Science (EROS) Center National Land Cover Database team in collaboration with the Bureau of Land Management (BLM) has produced the most comprehensive remote-sensing based quantification of western United States shrublands to date. The change index was designed to assist NLCD users to understand complex land cover change with a single product. 2001, ca. Developed, open space: areas with a mixture of some constructed materials, but mostly vegetation in the form of lawn grasses. Feedback. This is a national and regional data set that should be used only as a screening tool for very local or site-specific management decisions. (Read More), NLCD tree canopy cover is a 30 m raster geospatial dataset that is available for the conterminous United States, coastal Alaska, Hawaii, and Puerto Rico. Models used to predict Ecological Potential cover were trained on ecologically intact sites where annual herbaceous cover is low, no known disturbance or land treatment has occurred over the study period, and bare ground cover is relatively lower than expectations (Read More), RCMAP - Future Projections - 2020s, 2050s, and 2080s. Eyes on Earth Episode 42 Rangelands of the U.S. LCMAP and NLCD: Complementary Data for Understanding the Geography of the United States, Eyes on Earth Episode 3 - National Land Cover Database, Western U.S. Cheatgrass and Shrubland Monitoring, National Land Cover Database Visualization and Information Tool, National Land Cover Database (NLCD) 2016 Shrubland Fractional Components for the Western U.S. (ver. The Temperature-Vegetation Index (TVX) space was created to analyze how these satellite-derived biophysical parameters change during urbanization. Generally, vegetation accounts for less than 15% of total cover. NLCD 2016 Product Highlights Click (here) for NLCD Science Research Products which offer more comprehensive delineation of shrub and grass classes and information about change disturbance. Below are other science projects associated with this project. A., Yang, L., Jin, S., Danielson, P., Xian, G., Coulston, J., Herold, N. D., Wickham, J. D., & Megown, K. (2015). Canopy is never without green foliage. Sweden's Environmental Protection Agency has, in conjunction with several other Swedish agencies and organizations, taken the initiative to produce such a map that . LCMAP impervious. C-CAP data forms the coastal expression of the National Land Cover Database (NLCD) and the A-16 land cover theme of the National Spatial Data Infrastructure. Questions about the NLCD 2019 land cover product can be directed to the NLCD 2019 land cover mapping team at USGS EROS, Sioux Falls, SD (605) 594-6151 or mrlc@usgs.gov. 2.0, June 2021), National Land Cover Database (NLCD) 2019 Land Cover Products. See included spatial metadata for more details. National Land Cover Database Class Legend and Description The classification system used by NLCD is modified from the Anderson Land Cover Classification System *. The NLCD Land Cover change index combines information from all years of land cover change and provides a simple and comprehensive way to visualize change from all 8 dates of land cover in a single layer. Both classifications were checked against stratified randomly selected ground-based sites and with each other to compare the accuracy of the NLCD with NWI classific, The Multi-Resolution Land Characteristics Consortium has supported the development of two national digital land cover products: the National Land Cover Dataset (NLCD) 1992 and National Land Cover Database (NLCD) 2001. In this episode, we talk about the National Land Cover Database. Pixels derived from the US Wind Turbine Dataset, Comprehensive research was conducted and resulted in developed strategies for NLCD 2019: continued integration between impervious surface and all landcover products with impervious surface being directly mapped as developed classes in the landcover, a streamlined compositing process for assembling and preprocessing based on Landsat imagery and geospatial ancillary datasets; a multi-source integrated training data development and decision-tree based land cover classifications; a temporally, spectrally, and spatially integrated land cover change analysis strategy; a hierarchical theme-based post-classification and integration protocol for generating land cover and change products; a continuous fields biophysical parameters modeling method; and an automated scripted operational system for the NLCD 2019 production. Component products are designed to be used individually or combined to support a broad variety of applications. An official website of the United States government. The National Land Cover Database (NLCD) provides nationwide data on land cover and land cover change at a 30m resolution with a 16-class legend based on a modified Anderson Level II classification system. NLCD 2019 offers 8 integrated epochs of land cover for years 2001, 2004, 2006, 2008, 2011, 2013, 2016, and 2019. A New Generation of the United States National Land Cover Database: Requirements, Research Priorities, Design, and Implementation Strategies, ISPRS Journal of Photogrammetry and Remote Sensing, 146, pp.108-123. Specific examples of non-USGS imagery or data products include: Users may still acknowledge or cite any non-USGS dataset according to the format listed under USGS Products with some modification. & C.A. Tap the tabs above to explore related science, multimedia, and news on NLCD. NLCD 2011 is based primarily on a decision-tree classification of circa 2011 Landsat satellite data. See the USGS Visual Identity System Guidance for further details on proper citation and acknowledgement of USGS products. EAG is a continuous field consisting of abundance of non-native grass species whose life history is complete in one growing season. Projected data include three time periods (2020s, 2050s, and 2080s) and two climate scenarios (Representative Concentration Pathways [RCP] 4.5 and 8.5). USGS is currently working in partnership with the Interagency Multi-Resolution Land Characteristics (MRLC) Consortium to produce the next version of the National Land Cover Database, NLCD 2019. 2016 NLCD release. Recent advances in computation and satellite data availability have enabled . Grassland/herbaceous: areas dominated by gramanoid or herbaceous vegetation, generally greater than 80% of total vegetation. Primary road. Share. Federal government websites often end in .gov or .mil. NLCD supports a wide variety of Federal, State, local, and nongovernmental applications that seek to assess ecosystem status and health, understand the spatial patterns of biodiversity, predict effects of climate change, and develop land management policy. NLCD 2011 provides - for the first time - the capability to assess wall-to-wall, spatially explicit, national land cover changes and trends across the United States from 2001 to 2011. The images rely on the imperviousness data layer for the User feedback on the data is encouraged. Substantial differences in imagery, legends, and methods between these two land cover products must be overcome in order to support direct comparison. NLCD 2019 represents the latest evolution of NLCD land cover products focused on providing innovative land cover and land cover change data for the Nation. Explore recent publications by USGS authors, Browse all of Pubs Warehouse by publication type and year, Descriptions of US Geological Survey Report Series, Earth Resources Observation and Science (EROS) Center. It contains 28 different land cover products characterizing land cover and land cover change across 8 epochs from 2001-2019, urban imperviousness and urban imperviousness change across 8epochs, tree canopy and tree canopy change across 2 epochs from 2011-2016 and western U.S. shrub and grassland areas for 2016. NLCD provides spatial reference and descriptive data for characteristics of the land surface such as thematic class (for example, urban, agriculture, and forest), percent impervious surface, and percent tree canopy cover. (Read More), Rangeland Ecological Potential - Component Cover, Cover Departure, and Vegetation States. Source is available. Share sensitive information only on official, secure websites. The 2016 release saw landcover created for additional years of 2003, 2008, and 2013. These data are potentially valuable to environmental managers and stakeholders because of the utility of %IC as an indicator of watershed and aquatic condition, but lack an accuracy assessment bec, Accuracy assessment is a standard protocol of National Land Cover Database (NLCD) mapping. Some specific examples of USGS products would include: Acknowledgement or credit of the USGS as data source should be provided by including a line of text citation such as the example shown below. For additional information, please refer to the README file, license file, or other information delivered along with the image product. Secure .gov websites use HTTPS In this episode, we hear how Landsat helps monitor vulnerable rangelands in the Western U.S. The proper use and citation of imagery and products will vary according to source, and detailed information is provided in the sections below. Dewitz, J., and U.S. Geological Survey, 2021, National Land Cover Database (NLCD) urban classes and on a decision-tree classification for the rest. The original National Land Cover Database (NLCD) was created in 1992 by the Multi-Resolution Land Characteristics (MRLC) Consortium. (MRLC) Consortium, a partnership of federal agencies led by the These products provide spatially explicit and reliable information on the Nations land cover and land cover change. to fill in gaps left when roads were updated from previous Non-interstate highways. generally not roads or energy production; includes To access this dataset in Earth Engine, please sign up for Earth Engine Data characterize the percentage of each 30-meter pixel in the Western United States covered by each component for each year from 1985-2021 - providing change information for 35 years (imagery for 2012 was unavailable). If the imagery lacks additional information, please refer to the Product Page for more information and/or visit the website of the company or agency of origin. But now Land Change Monitoring, Assessment, and Projection (LCMAP) Collection 1 science products provide unprecedented monitoring of past changes occurring in land cover and condition across the conterminous U.S. over more than 30 years at an annual timestep. The site is secure. [Note: The scheduled release date for NLCD 2016 products is Friday, December 28, 2018]. IKONOS, OrbView, QuickBird, WorldView, SPOT) Example: Resourcesat-1 (ISRO) image courtesy of the U.S. Geological Survey. Land cover classification and changes and impervious fractions were obtained from the National Land Cover Database of 2001 and 2006. NLCD 2019 also includes a wind energy layer across all impervious products. As with two previous NLCD land cover products NLCD 2011 keeps the same 16-class land cover classification scheme that has been applied consistently across the United States at a spatial resolution of 30 meters. Crop vegetation accounts for greater than 20% of total vegetation. NLCD 1992, NLCD 2001, NLCD 2006, and NLCD 2011 are National Land Cover Database classification schemes based primarily on Landsat data along with ancillary data sources, such as topography, census and agricultural statistics, soil characteristics, wetlands, and other land cover maps. NLCD 1992 is a 21-class land cover classification scheme that . Examples include apartment complexes, row houses, and commercial/industrial. Heres how America uses its land. The NLCD 2019 design aims to provide innovative, consistent, and robust methodologies for production of a multi-temporal land cover and land cover change database from 2001 to 2019 at 23-year intervals. The land cover data sets are single band raster images. This descriptor layer identifies types of roads, wind tower sites, building locations, and energy production sites to allow a deeper analysis of developed features. By comparison, overall accuracies at Level II and Level I for the NLCD 1992 were 58% and 80%. Component products are designed to be used individually or combined to support a broad variety of applications. When using any imagery, data products, or information accessed from USGS or NASAs LP DAAC systems, we do ask that proper credit be given. No new imperviousness products for Alaska, Hawaii and Puerto Rico are available from NLCD 2019. The UK Centre for Ecology and Hydrology (UKCEH) have provided reliable land cover information since the early 1990's; this supports multiple scientific, government and commercial objectives. Citation. Nationwide, NLCD 2001 overall Anderson Level II and Level I accuracies were 78.7% and 85.3%, respectively. National Oceanic and Atmospheric Administration, Office for Coastal Management. The new time-series includes yearly . NLCD (the National Land Cover Database) is a 30-m Landsat-based land cover Questions about the NLCD 2019 land cover product can be directed to the NLCD 2019 land cover mapping team at USGS EROS, Sioux Falls, SD (605) 594-6151 or mrlc@usgs.gov. https://data.nal.usda.gov/dataset/national-land-cover-database-2011-nlcd-2011. Neither deciduous nor evergreen species are greater than 75% of total tree cover. These areas most commonly include large-lot single-family housing units, parks, golf courses, and vegetation planted in developed settings for recreation, erosion control, or aesthetic purposes. Nine shrubland ecosystem components, including percent shrub, sagebrush (Artemisia spp. The USFS derives tree canopy cover from multi-spectral Landsat imagery and other available ground and ancillary information. Proper citation and acknowledgement of USGS products imagery, legends, and 2013 21-class Land products... 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