how to cite national land cover database
The change index was designed to assist NLCD users to understand complex land cover change with a single product. 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. Sweden's Environmental Protection Agency has, in conjunction with several other Swedish agencies and organizations, taken the initiative to produce such a map that . Share. Any two-lane road. Source is available. The U.S. Geological Survey (USGS), in collaboration with the MRLC consortium and Bureau of Land Management (BLM), is pleased to announce the availability of a new generation of Rangeland, Condition, Monitoring, Assessment, and Projection (RCMAP) fractional component data spanning a 1985-2021 time-series. This dataset has one image , USGS/NLCD_RELEASES/2019_REL/NLCD, Lichens: Alaska only areas dominated by fruticose or foliose lichens generally greater than 80% of total vegetation. The images rely on the imperviousness data layer for the urban classes and on a decision-tree classification for the rest. NLCD 2019land cover and impervious surface product versions of previous dates must be downloaded for proper comparison. 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. 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). therefore reside in the public domain and may be used, transferred, or See the USGS Visual Identity System Guidance for further details on proper citation and acknowledgement of USGS products. The legends are also available as metadata on each image. Non-interstate highways. then return to this page. 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. (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. In this episode, we talk about the National Land Cover Database. Here we report agreement statistics between map and reference labels for NLCD 2011, which includes land cover for ca. Child Items (3) National Land Cover Database (NLCD) 2019 Impervious Products 2.0, June 2021): U.S. Geological Survey data release, https://doi.org/10.5066/P9KZCM54. In this episode, we hear how Landsat helps monitor vulnerable rangelands in the Western U.S. Download the per pixel estimates of percent imperviousness legend. All images include the landcover classification scheme described in the Product Legend. Landfire project. Dwarf scrub: Alaska only areas dominated by shrubs less than 20 centimeters tall with shrub canopy typically greater than 20% of total vegetation. The images rely on the imperviousness data layer for the (2001, 2004, 2006, 2008, 2011, 2013, 2016, and 2019). 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. For additional information, please refer to the README file, license file, or other information delivered along with the image product. Shrub/scrub: areas dominated by shrubs less than 5 meters tall with shrub canopy typically greater than 20% of total vegetation. (Read More), RCMAP projected cover products characterize the fractional (i.e. Remote sensing provides a cost-effective and reliable method for monitoring change through time and attributing changes to drivers. Small tertiary roads that generally are not paved The three largest countries in North America share trade, climate and culture in a host of broad and specific ways. 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 2016 release saw landcover created for additional years of 2003, 2008, and 2013. Open water: areas of open water, generally with less than 25% cover of vegetation or soil. Developed, low intensity: areas with a mixture of constructed materials and vegetation. Bromus catharticusVahl, Bromus commutatusSchrad, Bromus diandrusRoth, Bromus hordeaceus L., Bromus hordeaceus spp. Citation: The U.S. Geological Survey (USGS), in partnership with several federal agencies, has developed and released five National Land Cover Database (NLCD) products over . Cultivated crops: areas used for the production of annual crops, such as corn, soybeans, vegetables, tobacco, and cotton, and also perennial woody crops such as orchards and vineyards. Defines which impervious layer pixels are roads and provides the best fit description for impervious pixels that are not roads. Heres how America uses its land. The U.S. Geological Survey (USGS), in partnership with several federal agencies, has developed and released five National Land Cover Database (NLCD) products over the past two decades: NLCD 1992, 2001, 2006, 2011, and 2016. National Land Cover Database Class Legend and Description The classification system used by NLCD is modified from the Anderson Land Cover Classification System *. 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. Find databases subscribed to by UW-Madison Libraries, searchable by title and description. A .gov website belongs to an official government organization in the 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. (Read More), Currently available trends statistics are for the 1985-2021 time-series. Share sensitive information only on official, secure websites. National Land Cover Database (NLCD) 2016 NLCD 2016 is an ongoing land cover modeling production effort with NLCD scientists providing expertise in research and development, modeling, scripting, scene selection, cloud-masking, land cover mapping, and imperviousness mapping production. All NLCD data products are available for download at no charge to the public from the MRLC Web site: http://www.mrlc.gov. Specifically, we have lowered the tree canopy cover threshold for exclusion from 40 to 25%. 2019 Products (ver. Results from this study confirm the robustness of this comprehensive and highly automated procedure for NLCD 2019 operational mapping. To continue the legacy of NLCD and further establish a long-term monitoring capability for the Nations land resources, the USGS has designed a new generation of NLCD products named NLCD 2019. The data are updated every 5 years. Source. 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. versions of NLCD. This descriptor layer identifies types of roads, wind tower sites, building locations, and energy production sites to allow a deeper analysis of developed features. The database is designed to provide cyclical updates of United States land cover and associated changes. Secondary road. To submit, please register and login first. Below are data or web applications associated with this project. Official websites use .gov 2.0, June 2021) Spatial Extent of Data + . National Land Cover Database 2011 (NLCD 2011). 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. The 2016 release saw landcover created for additional years of 2003, 2008, and 2013. https://data.nal.usda.gov/dataset/national-land-cover-database-2011-nlcd-2011. Sedge/herbaceous: Alaska only areas dominated by sedges and forbs, generally greater than 80% of total vegetation. Official websites use .gov 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. 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., Yang, L., Jin, S., Danielson, P., Xian, G., Coulston, J., Herold, N. D., Wickham, J. D., & Megown, K. (2015). & C.A. 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. Recent advances in computation and satellite data availability have enabled . NavStreets Street Data. 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. The images rely on the imperviousness data layer for the urban classes and on a decision-tree classification for the rest. Find information on spaces, staff, and services. Before sharing sensitive information, make sure you're on a federal government site. Land cover is a key environmental variable, underpinning widespread environmental research and decision-making. Scientific models are being scripted to automate the process and operational production is underway. C-CAP data sets are not jurisdictional or intended for use in litigation. (2023-03-22 15:19), Earth Resources Observation and Science Center (EROS), National Land Cover Database (NLCD) 2019 Products (ver. The U.S. Geological Survey (USGS), in partnership with several federal agencies, has developed and released five National Land Cover Database (NLCD) products over the past two decades: NLCD 1992, 2001, 2006, 2011, and 2016. Generally, vegetation accounts for less than 15% of total cover. The .gov means its official. accessed on 1/9/2020. The NLCD 2019 is scheduled to be completed by December 2020, with public release upon data review and production of relevant metadata. Component products are designed to be used individually or combined to support a broad variety of applications. Citation. NOAA makes no warranty, expressed or implied, nor does the fact of distribution constitute such a warranty. NLCD 2019 does not yet contain updated products for Alaska, Hawaii and Puerto Rico. Accessed 2023-04-18. ), 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. Through July 2020, Landsat ARD composites have been generated and all land cover, land cover change, and impervious procedures, models, and documentation have been completed. The National Land Cover Data Set for 2001 was produced through a cooperative project conduc, 12201 Sunrise Valley Drive Reston, VA 20192, Earth Resources Observation and Science (EROS) Center, earth resources observation and science center, Eyes on Earth Episode 54 National Land Cover Database 2019. to fill in gaps left when roads were updated from previous 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. 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. Systematically aligned over time, the database provides the ability to understand both current and historical land cover and land cover change, and enables monitoring and trend assessments. A., Yang, L., Jin, S., Danielson, P., Xian, G., Coulston, J., Herold, N. D., Wickham, J. D., & Megown, K. (2015). from the 2018 NavStreets Street Data. Export to . Secure .gov websites use HTTPS To direct download, please visit https://coast.noaa.gov/htdata/raster1/landcover/bulkdownload/30m_lc/. Mey. Nationally standardized, raster-based inventories of land cover for the coastal areas of the U.S. Data are derived, through the Coastal Change Analysis Program, from the analysis of multiple dates of remotely sensed imagery. Below are other science projects associated with this project. This class includes true shrubs, young trees in an early successional stage, or trees stunted from environmental conditions. While efforts have been made to ensure that these data are accurate and reliable within the limits of current technology, NOAA cannot assume liability for any damages or misrepresentations caused by inaccuracies in the data, or as a result of the data to be used on a particular system. Name of Data Set. Coastal Change Analysis Program (C-CAP) Regional Land Cover. When a wildfire rampages through a sagebrush domain, restoring the landscapes natural vegetation afterward is often a dicey proposition. The National Land Cover Database (NLCD) provides nation-wide data on land cover and land cover change at the Landsat Thematic Mapper (TM) 30-meter resolution. These products have been produced by USGS in collaboration with the Bureau of Land Management. https://www.bloomberg.com/graphics/2018-us-land-use/, (original article) Homer, C. G., Dewitz, J. 2006, and ca. NLCD 1992 is a 21-class land cover classification scheme that . 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. Download (PDF; 8.0 MB) Cite. dataset from the Oak Ridge National Laboratory. The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely. IKONOS, OrbView, QuickBird, WorldView, SPOT) Example: Resourcesat-1 (ISRO) image courtesy of the U.S. Geological Survey. Note: These citations are software generated and may contain errors. For access to dynamic MRLC viewer applications and tools, click (here). Neither deciduous nor evergreen species are greater than 75% of total tree cover. Grassland/herbaceous: areas dominated by gramanoid or herbaceous vegetation, generally greater than 80% of total vegetation. Thinned road. 2012-3020. NLCD also ingests an increasing number of ancillary data like building footprints, well pads, wind turbine footprints, and other data to increase the accuracy of its impervious products. See included spatial metadata for more details. 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. Citation . Sample NLCD map NLCD 2019: USGS National Land Cover Database, 2019 release, Sign up for the Google for Developers newsletter, Acknowledging or Crediting USGS as Information Pixels were derived from the 2018 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. Commercial satellite imagery (e.g. (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. 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). The National Land Cover Database (NLCD) serves as the definitive Landsat-based, 30-meter resolution, land cover database for the Nation. NLCD also includes anNLCD Land Cover Change Index. Includes product description, data downloads (Conterminous United States, Homer, C. G., Dewitz, J. The information on this page (the dataset metadata) is also available in these formats: National Land Cover Database 2011 (NLCD 2011) is the most recent national land cover product created by the Multi-Resolution Land Characteristics (MRLC) Consortium. We have developed a mask (see below) to apply to the future sagebrush cover layers. Secure .gov websites use HTTPS U.S. Geological Survey. The mapping and modeling process results in a temporally consistent and spatially coherent land cover and land cover trajectory throughout the NLCD time span (2001 through 2019). When using any imagery, data products, or information accessed from USGS or NASAs LP DAAC systems, we do ask that proper credit be given. For any dataset, the specific construction of the correct citation information can be found on the DOI Landing page for each individual product and can be accessed below: For further details and information on the proper citation and acknowledgment of LP DAAC products, please refer to Citing Our Data. 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. Search the physical and online collections at UW-Madison, UW System libraries, and the Wisconsin Historical Society. Developed, medium intensity: areas with a mixture of constructed materials and vegetation. Completion of the 2011 National Land Cover Database for the conterminous United States - Representing a decade of land cover change information. The 2016 release saw landcover created for additional years of 2003, 2008, and 2013. derived from the 2018 NavStreets Street Data. To browse or use data from this site, no account is necessary! Other energy production. Developed classes in these years are directly derived from percent developed impervious surface and include a descriptor label that identifies the type of each impervious surface pixel. 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. Related data for percent impervious and tree canopy are available . Pixels were Pixels derived from the 2019 Oil and Natural Gas Wells 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. Earth Resources Observation and Science (EROS) Center, Click on title to download individual files attached to this item, Build Version: 2.184.0-333-gd8c59cd-0
