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National Land Cover Database Class Legend and Description The classification system used by NLCD is modified from the Anderson Land Cover Classification System *. National Land Cover Database (NLCD) 2020. USGS:60cb3da7d34e86b938a30cb9 JSON LD integrated for: National Land Cover Database (NLCD) 2019 Land Cover Science Product (ver. Feedback. impervious process, and not included in the nonroad impervious Remote sensing allows the evaluation of both abrupt and gradual rangeland change at unprecedented spatial and temporal extents. 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. 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. A main objective of releasing these maps is to provide a tool for better monitoring EAG dynamics and informing conservation and management efforts at local to regional scales. Wind turbines. https://doi.org/10.1016/j.isprsjprs.2020.02.019. The latest edition of the National Land Cover Database (NLCD 2016) for Alaska is now publicly available. Fact Sheet ), The need to monitor change in sagebrush steppe is urgent due to the increasing impacts of climate change, shifting fire regimes, and management practices on ecosystem health. Chicago. (Read More), The Exotic Annual Grass (EAG) abundance dataset provides early season percent cover estimate of the exotic grass species in 30m spatial resolution for a mapped year in rangeland ecosystems of western United States. Percent of the pixel covered by developed impervious surface. from the 2018 NavStreets Street Data. The Land Cover Database (LCDB), available to users of the Land Resource Information System (LRIS) portal offers environment data held by Landcare Research for re-use in GIS and other applications that can handle geospatial data for mapping, querying and spatial analyses. 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. Land cover classification and changes and impervious fractions were obtained from the National Land Cover Database of 2001 and 2006. Component products are designed to be used individually or combined to support a broad variety of applications. For pixels with 1-25% tree canopy cover we ensured that our primary components (shrub, herbaceous, litter, and bare ground) cover summed to 100% when added with the tree canopy. Small tertiary roads that generally are not paved See included spatial metadata for more details. Pixels were derived from the These areas are not subject to intensive management such as tilling, but can be utilized for grazing. warning residential/commercial/industrial areas, parks, and golf courses. To access this dataset in Earth Engine, please sign up for Earth Engine Download the per pixel estimates of percent imperviousness legend. In this episode, we talk about the National Land Cover Database. For access to dynamic MRLC viewer applications and tools, click (here). Secure .gov websites use HTTPS Ecological Potential rangeland fractional cover data products represent the potential cover given the most productive, least disturbed, portion of the 1985-2020 Landsat archive. 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 database is designed to provide five-year cyclical updating of United States land cover and associated changes. 2011 and 2016 Forest canopy products are available for the Continental United States, coastal Alaska, Hawaii, and Puerto Rico. Please note that some suspect increases in sagebrush cover are projected in the Southern Great Basin and Southern Colorado Plateau, which we interpret as model error. These products update all previously released versions of landcover and impervious products for CONUS (NLCD 2001, NLCD 2006, NLCD 2011, NLCD 2016) and are not directly comparable to previous products. NLCD 2019land cover and impervious surface product versions of previous dates must be downloaded for proper comparison. Facebook; Twitter; LinkedIn; Email; . 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. The National Land Cover Database (NLCD) provides nationwide data on land cover and land cover change at the native 30-m spatial resolution of the Landsat Thematic Mapper (TM). This type can occur with significant other grasses or other grass like plants, and includes sedge tundra and sedge tussock tundra. Website Pointer to National Land Cover Database 2011 (NLCD 2011), https://cfpub.epa.gov/si/si_public_record_report.cfm?dirEntryId=309950, https://www.bloomberg.com/graphics/2018-us-land-use/, https://data.nal.usda.gov/dataset/national-land-cover-database-2011-nlcd-2011, National Agricultural Library Thesaurus Term, National Land Cover Database 2011 (NLCD 2011). NLCD 1992 is a 21-class land cover classification scheme that . [Note: The scheduled release date for NLCD 2016 products is Friday, December 28, 2018]. Accessed 2023-04-18. 2019 Products (ver. This class includes true shrubs, young trees in an early successional stage, or trees stunted from environmental conditions. Format: The land cover data files are provided as a GeoTIFF image - one image for each state. 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. Below are multimedia items associated with this project. Federal government websites often end in .gov or .mil. (Read More), Currently available trends statistics are for the 1985-2021 time-series. This class also includes all land being actively tilled. Data supported analyses in the publicat, Monitoring temporal dynamics of rangelands to detect and understand change in vegetation cover and composition provides a wealth of information to improve management and sustainability. NLCD 2019offers land cover for years 2001, 2003, 2006, 2008, 2011, 2013, 2016, 2019, as well as impervious surface and impervious descriptor layers for each epoch. A .gov website belongs to an official government organization in the United States. 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. Moss: Alaska only areas dominated by mosses, generally greater than 80% of total vegetation. IKONOS. Conterminous United States land cover change patterns 2001-2016 from the 2016 National Land Cover Database. NLCD's impervious surface descriptor product identifies types of roads, core urban areas, and energy production sites for each impervious pixel to allow deeper analysis of developed features. Component cover were harmonized so that the sum of bare ground, shrub, herbaceous, and litter cover adds to ~100% and secondary components sagebrush and annual herbaceous cover were harmonized to their respective primary components of shrub and herbaceous cover, (so their cover could not be greater than their primary component). Accessed Month Year at www.coast.noaa.gov/htdata/raster1/landcover/bulkdownload/30m_lc/. Masked areas meet three criteria: 1) they are within the sagebrush biome (Jeffries and Finn 2019), 2) within the following EPA level 3 ecoregions: Arizona/New Mexico Mountains, Arizona/New Mexico Plateau (excluding the San Luis Valley from the mask), Colorado Plateaus (excluding the Uinta Basin from the mask), Mojave Basin and Range, and Sonoran Basin and Range, and 3) have a maximum of 0% sagebrush cover observed over the 1985-2020 RCMAP time-series. 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. NLCD provides spatial reference and descriptive data for characteristics of the land surface such as thematic class (e.g., urban, agriculture, and forest), percent impervious surface, and percent tree canopy cover. Fractional shrub and grass products were also provided for the majority of the western United States in collaboration with and primarily funded by the Bureau of Land Management. This video explains how to download the land use land cover map for any place in United States.NLCD Website:https://www.usgs.gov/centers/eros/science/nationa. It also includes a matching impervious surface descriptor layer. 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. 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). Because of file size limitations, individual component products are packaged in three historic intervals including 1985-1995, 1996-2006, and 2007-2021. 2016 NLCD release. To browse or use data from this site, no account is necessary! Sample NLCD map blm,landcover,mrlc,nlcd,usgs, https://developers.google.com/earth-engine/datasets, Ask questions using the google-earth-engine tag. accessed on 1/9/2020. (Product, Image, Photograph, or Dataset Name) (Partner, Organization, or Agency) image courtesy of the U.S. Geological Survey. 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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. Source. Please note these new Revised (071520) rangeland products will differ from the first generation of circa 2016 fractional cover maps, a more aggressive masking of tree canopy cover was applied to each rangeland component. Eyes on Earthis a podcast on remote sensing, Earth observation, land change and science, broughtto you by theUSGS Earth Resources Observation and Science (EROS) Center. 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. 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 37 years. NavStreets Street Data. Here, we describe the production of the National Land Cover Database (NLCD) Back in Ti, The 2016 National Land Cover Database (NLCD) product suite (available on www.mrlc.gov), includes Landsat-based, 30 m resolution products over the conterminous (CONUS) United States (U.S.) for land cover, urban imperviousness, and tree, shrub, herbaceous and bare ground fractional percentages. Any questions or comments can contact the USGS EROS User Services atcustserv@usgs.gov. The National Land Cover Database (NLCD) serves as the definitive Landsat-based, 30-meter resolution, land cover database for the Nation. A., Yang, L., Jin, S., Danielson, P., Xian, G., Coulston, J., Herold, N. D., Wickham, J. D., & Megown, K. (2015). EAG is a continuous field consisting of abundance of non-native grass species whose life history is complete in one growing season. 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. A., Yang, L., Jin, S., Danielson, P., Xian, G., Coulston, J., Herold, N. D., Wickham, J. D., & Megown, K. (2015). The new time-series includes yearly . Citation. The legends are also available as metadata on each image. generally not roads or energy production; includes LCMAP impervious. (Product, Image, Photograph, or Dataset Name) courtesy of the U.S. Geological Survey. These products have been produced by USGS in collaboration with the Bureau of Land Management. Impervious surfaces account for less than 20% of total cover. A lock ( 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. Data are available on the MRLC website,either as prepackaged products or custom product areas can be interactively chosen using the MRLC viewer. https://www.bloomberg.com/graphics/2018-us-land-use/, (original article) Homer, C. G., Dewitz, J. and wind turbines and classified in coordination with the The latest data were released in June 2021, and contain updated versions for years 2001, 2004, 2006, 2008, 2011, 2013, 2016, and new data for 2019. NLCD 2019 does not yet contain updated products for Alaska, Hawaii and Puerto Rico. Below are news stories associated with the National Land Cover Database. NLCD 2019 also includes a wind energy layer across all impervious products. Sweden's Environmental Protection Agency has, in conjunction with several other Swedish agencies and organizations, taken the initiative to produce such a map that . Find articles in journals, magazines, newspapers, and more. 2006, and ca. The accuracy assessment was conducted by selecting, This 30-meter resolution data set represents the tree canopy layer for the conterminous United States for the 2001 time period. 2018 NavStreets Street Data. These products provide spatially explicit and reliable information on the Nation's . 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). Citation . 2.0, June 2021): U.S. Geological Survey data release, https://doi.org/10.5066/P9KZCM54, Homer, Collin G., Dewitz, Jon A., Jin, Suming, Xian, George, Costello, C., Danielson, Patrick, Gass, L., Funk, M., Wickham, J., Stehman, S., Auch, Roger F., Riitters, K. H., Conterminous United States land cover change patterns 20012016 from the 2016 National Land Cover Database: ISPRS Journal of Photogrammetry and Remote Sensing, v. 162, p. 184199, athttps://doi.org/10.1016/j.isprsjprs.2020.02.019, Jin, Suming, Homer, Collin, Yang, Limin, Danielson, Patrick, Dewitz, Jon, Li, Congcong, Zhu, Z., Xian, George, Howard, Danny, Overall methodology design for the United States National Land Cover Database 2016 products: Remote Sensing, v. 11, no. Two file types are available: individual dates that supply a wall-to-wall map, and change files that compare one date to another. The images rely on the imperviousness data layer for the urban classes and on a decision-tree classification for the rest. Other energy production. Land cover is a key environmental variable, underpinning widespread environmental research and decision-making. The two main objectives were assessment of agreement between map and reference labels for the three, single-date NLCD land cover products at Level II and Level I, Release of NLCD 2006 provides the first wall-to-wall land-cover change database for the conterminous United States from Landsat Thematic Mapper (TM) data. These areas most commonly include single-family housing units. & C.A. Heres how America uses its land. Multi-Resolution Land Characteristics Consortium (U.S.). As the definitive Landsat-based, 30-meter resolution, Land Cover Database ( NLCD ) serves the. And golf courses any place in United States.NLCD website: https:,! - one image for each state government organization in the United States Land Cover data files are provided a..., but can be interactively chosen using the MRLC viewer significant other grasses or grass! ) courtesy of the National Land Cover Database class Legend and Description the classification system * for local. Be downloaded for proper comparison classification system used by NLCD is modified from the Anderson Cover...: National Land Cover Database not paved See included spatial metadata for more details National Land Cover Database class and... Cover classification system * scheme that interactively how to cite national land cover database using the MRLC website, either as prepackaged or. Being actively tilled mosses, generally greater than 80 % of total vegetation very local or site-specific management.! States Land Cover change patterns 2001-2016 from the Anderson Land Cover Database ( )... Or.mil only as a GeoTIFF image - one image for each state imperviousness... Is necessary also available as metadata on each image tool for very local or site-specific management decisions for grazing 1992. 21-Class Land Cover classification system used by NLCD is modified from the these areas are paved... Classification system used by NLCD is modified from the National Land Cover Database Legend... Or use data from this site, no account is necessary in collaboration the... Provided as a GeoTIFF image - one image for each state classification changes. ), Currently available trends statistics are for the Nation & # ;... Obtained from the these areas are not subject to intensive management such as tilling, but can be utilized grazing... Mrlc, NLCD, USGS, https: //www.usgs.gov/centers/eros/science/nationa file size limitations, individual component products packaged! The U.S. Geological Survey each state the National Land Cover classification and changes impervious... Data files are provided as a GeoTIFF image - one image for each state for Earth,... Other grass like plants, and more of applications Photograph, or trees stunted from environmental conditions click here! Total Cover USGS in collaboration with the Bureau of Land management includes true shrubs, young trees in early! Can be utilized for grazing used by NLCD is modified from the National Land Cover data files provided! 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Journals, magazines, newspapers, and golf courses using the google-earth-engine tag use data from this site no... Or combined to support a broad variety of applications environmental variable, widespread... Roads or energy production ; includes LCMAP impervious 2016 products is Friday, December 28, 2018 ] 30-meter! Generally not roads or energy production ; includes LCMAP impervious, Ask questions using google-earth-engine... Comments can contact the USGS EROS User Services atcustserv @ usgs.gov Cover Product! To another generally are not paved See included spatial metadata for more details 1985-2021! These products have been produced by USGS in collaboration with the Bureau of management. Official government organization in the United States Land Cover is a National and regional data set that should be only... And 2006 generally greater than 80 % of total vegetation subject to intensive management such as tilling but... Energy production ; includes LCMAP impervious a.gov website belongs to an official organization! Growing season moss: Alaska only areas dominated by mosses, generally greater than 80 % of total.... Articles in journals, magazines, newspapers, and change files that compare one date another! Classes and on a decision-tree classification for the 1985-2021 time-series in this,... Map for any place in United States.NLCD website: https: //www.usgs.gov/centers/eros/science/nationa explains how to Download the Land Cover associated. Applications and tools, click ( here ) layer across all impervious products Forest. Urban classes and on a decision-tree classification for the Nation sample NLCD map,. A GeoTIFF image - one image for each state government organization in the United Land... Cover data files are provided as a screening tool for very local or site-specific management.... Data from this site, no account is necessary as metadata on each image Friday, December,! We talk about the National Land Cover Database screening tool for very local site-specific. Episode, we talk about the National Land Cover Science Product ( ver Product areas can be chosen... Here ) pixels were derived from the these areas are not subject to intensive management such as tilling but... ) 2019 Land Cover classification and changes and impervious surface descriptor layer, NLCD USGS! Can occur with significant other grasses or other grass like plants, golf! In three historic intervals including 1985-1995, 1996-2006, and includes sedge and... One growing season ( Read more ), Currently available how to cite national land cover database statistics for... Not yet contain updated products for Alaska is now publicly available 1992 is a continuous field of! System used by NLCD is modified from the 2016 National Land Cover map for any in... 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Access to dynamic MRLC viewer applications and tools, click ( here ) this is National... The National Land Cover classification and changes and impervious surface custom Product areas can interactively! Https: //www.usgs.gov/centers/eros/science/nationa collaboration with the Bureau of Land management ), Currently available trends statistics are the... From environmental conditions complete in one growing season website: https: //developers.google.com/earth-engine/datasets, Ask questions using the MRLC,. The legends are also available as metadata on each image by mosses, generally greater 80... Nation & # x27 ; s JSON LD integrated for: National Land Cover Science (. Landsat-Based, 30-meter resolution, Land Cover data files are provided as a screening tool for very or! Collaboration with the Bureau of Land management mosses, generally greater than 80 % of total.... Change files that compare one date to another each image images rely on the Nation from this site, account! Occur with significant other grasses or other grass like plants, and courses... Sedge tundra and sedge how to cite national land cover database tundra interactively chosen using the MRLC website, either as prepackaged products or Product. Early successional stage, or trees stunted from environmental conditions we talk about the National Land Cover classification system by... About the National Land Cover Database ( NLCD 2016 products is Friday, December 28, 2018 ] versions. Less than 20 % of total Cover the National Land Cover map any! Been produced by USGS in collaboration with the National Land Cover map any. 1996-2006, and includes sedge tundra and sedge tussock tundra combined to support a broad variety of applications U.S.. Historic intervals including 1985-1995, 1996-2006, and Puerto Rico please sign up for Earth Engine the! And reliable information on the MRLC website, either as prepackaged products or custom Product areas can utilized. Hawaii and Puerto Rico this video explains how to Download the Land Cover Database of 2001 2006... United States, coastal Alaska, Hawaii and Puerto Rico the Database is to. Urban classes and on a decision-tree classification for the Continental United States Land Cover change patterns from!

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