national land cover data usgs

Population densities will be lower than in high intensity residential areas. Another source of error is the discrepancy between satellite imagery and NAPP photograph acquisition time. 14. The analysis and interpretation of the satellite imagery was conducted using very large, sometimes multi-state image mosaics (up to 18 Landsat scenes). 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. An alternative is USGS data from the National Map Viewer. Data themes included are Boundaries, Geographic Names, Transportation, Contours, Hydrography, Land Cover, Shaded Relief, and Bathymetry. The U.S. Geological Survey (USGS), in partnership with several federal agencies, has developed and released four National Land Cover Database (NLCD) products over the past two decades: NLCD 1992, 2001, 2006, and 2011. Grasslands or Herbaceous - Areas dominated by upland grasses and forbs. This grid is a subset of the National Land Cover Data (NLCD 2011) data set. The U.S. Geological Survey (USGS), in partnership with several federal agencies, has developed and released four National Land Cover Database (NLCD) products over the past two decades: NLCD 1992, 2001, 2006, and 2011. 2002) as well as land use classes described in the National Land Cover Dataset 2001 (Homer et al. 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. Constructed materials account for 30 to 80 percent of the cover. The land cover values were reclassified and numbered 1 to 20. The National Land Cover Dataset (NLCD) was produced as a cooperative effort between the U.S. Geological Survey (USGS) and the U.S. Environmental Protection Agency (US EPA) to produce a consistent, land cover data layer for the conterminous U.S. using early 1990s Landsat thematic mapper (TM) data purchased by the Multi-resolution Land Characterization (MRLC) Consortium. The successor to LULC is the USGS's National Land Cover Data (NLCD). Detailed Description. NLCD 2011 is the most up-to-date iteration of the National Land Cover Database, the definitive Landsat-based, 30-meter resolution land cover database for the Nation. Using a relatively small number of aerial photographs for "ground truth", the thematic interpretations were necessarily conducted from a spatially broad perspective. Major factors that have contributed to disagreements between mapped land cover and reference land cover labels include: 1) Landsat TM data quality and mapping error, NLCD 2006 is the most recent 30-meter, seamless, wall-to-wall land cover database for the conterminous United States. Canopy is never without green foliage. Examples include apartment complexes and row houses. The GAP/LANDFIRE National Terrestrial Ecosystems data set includes detailed vegetation and land cover patterns for the continental United States. 8. This service is designed to provide a seamless view of TNM data in a geographic information system (GIS) accessible format. 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. 1, p. 45-57. “National Land Cover Database 2011 (NLCD 2011) is the most recent national land cover product created by the Multi-Resolution Land Characteristics (MRLC) Consortium. An example of mapping error is the limited success in discriminating hay/pasture from row crops using leaf-off season (spring or fall) Landsat TM data. 3) Wetlands classes are extremely difficult to extract from Landsat TM spectral information alone. A screen shot of the National Land Cover Dataset from 2001. USGS 2001 National Landcover - Download Data data 71 views Download data Link is ok Openness score. Examples include parks, lawns, golf courses, airport grasses, and industrial site grasses. 1992 data are primarily based on unsupervised classification of Landsat data, while the rest of the images rely on the imperviousness data layer for the urban classes and on a decision-tree classification for the rest. Vogelmann, J.E., Sohl, T., and Howard, S.M., 1998, Regional characterization of land cover using multiple sources of data: Photogrammetric Engineering and Remote Sensing, v. 64, no. 4) Separation of natural grass and shrub is problematic. USGS 2001 National Landcover Metadata Updated: February 27, 2019. Details. The National Land Cover Database (NLCD) serves as the definitive Landsat-based, 30-meter resolution, land cover database for the Nation. The goal of the GAP/LANDFIRE National Terrestrial Ecosystems 2011 data is to provide accurate, seamless data on the vegetation and land cover of the United States. Projected NLCD Rangeland Cover Products Through 2080 – Now Available. 415-428. These products provide spatially explicit and reliable information on the Nation’s land cover and land cover change. Projected data include three time periods (2020s, 2050s, and 2080s) and two climate scenarios (Representative Concentration Pathways [RCP] 4.5 and … These products provide spatially explicit and reliable information on the Nation’s land cover and land cover change. The map legend includes types described by NatureServe's Ecological Systems Classification (Comer et al. Cowardin, L.M., Carter, V., Golet, F.C., and LaRoe, E.T., 1979, Classification of wetlands and deepwater habitats of the United States: U.S. National Land Cover Database 2011 (NLCD 2011) is the most recent national land cover product created by the Multi-Resolution Land Characteristics (MRLC) Consortium. A citation containing the Digital Object Identifier (DOI) for each dataset is provided below. The National Land Cover Database (NLCD) serves as the definitive Landsat-based, 30-meter resolution, land cover database for the Nation. The spatial data layer was created using Landsat satellite imagery and a detailed vegetation and land use classification system. Projected data include three time periods (2020s, 2050s, and 2080s) and two climate scenarios (Representative Concentration Pathways [RCP] 4.5 and … Projected NLCD Rangeland Cover Products Through 2080 – Now Available. Second stage sampling is accomplished by selecting SSUs (pixels) within each PSU (NAPP photograph) to provide the actual locations for the reference land cover classification. 13. Digital land cover and terrain data of the Arctic National Wildlife Refuge (ANWR) were prduced by the U.S. Geological Survey (USGS) Earth Resources Observation Systems Field Office, Anchorage, Alaska for the U.S. Fish and Wildlife Service (USFWS). PSUs are selected from a sampling grid based on NAPP flight lines and photograph centers, each grid cell measures 15' x 15' (minutes of latitude and longitude) and consists of 32 photographs from the National High Altitude Program (NHAP). To continue the legacy of NLCD and further establish a long-term monitoring capability for the Nation’s land resources, the USGS has designed a new generation of … 20. Vogelmann, J.E., Sohl, T., Campbell, P.V., and Shaw, D.M., 1998, Regional land cover characterization using landsat thematic mapper data and ancillary data sources: Environmental Monitoring and Assessment, v. 51, pp. 16. 15 Row Crops - Areas used for the production of crops, such as corn, soybeans, vegetables, tobacco, and cotton. Zhu, Z.hiliang, Yang, Limin., Stehman, S.V., and Czaplewski, R.L., 1999, Accuracy assessment for the U.S. Geological Survey regional land cover mapping program: New York and New Jersey Region: Photogrammetric Engineering and Remote Sensing 66:1425-1435. NLCD serves as the definitive moderate resolution land cover database for the U.S., developed from Landsat data at a 30-m pixel resolution. The spatial layer was imported in the geodatabase and metadata written. , . This raster spatial layer contains land cover information from the 1992 National Land Cover Dataset (NLCD) and was constructed to show land cover and land use in the upper Washita River basin in southwestern Oklahoma. 1) Some of the TM data sets are not temporally ideal. NLCD (the National Land Cover Database) is a 30-m Landsat-based land cover database spanning 8 epochs (1992, 2001, 2004, 2006, 2008, 2011, 2013 and 2016). The spatial data layer was created using Landsat satellite imagery and a detailed vegetation and land use classifi... Land Cover Data Download, Metadata, and Web Services. The U.S. Geological Survey (USGS), in partnership with several federal agencies, has developed and released four National Land Cover Database (NLCD) products over the past two decades: NLCD 1992, 2001, 2006, and 2011. However, if leaf-off data acquisition is not temporally ideal (e.g., the greenness level of hay/pasture areas is low), it may result in misclassification between hay/pasture and other agricultural lands. Visit page . The U.S. Geological Survey (USGS), in partnership with several federal agencies, has developed and released four National Land Cover Database (NLCD) products over the past two decades: NLCD 1992, 2001, 2006, and 2011. The USGS, in collaboration with the Bureau of Land Management, has produced projected rangeland fractional cover products for Western U.S. You need to enable JavaScript to run this app. << Back to Land Cover Data Overview: Data and Tools. Small Grains - Areas used for the production of graminoid crops such as wheat, barley, oats, and rice. Friedl, M., Gray, J., Sulla-Menashe, D. (2019). Visually checked against land use and land cover data sets. Examples include forest clearcuts, a transition phase between forest and agricultural land, the temporary clearing of vegetation, and changes due to natural causes (such as fire or flood). 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. The framework of a national land use and land cover classification system is presented for use with remote sensor data. •USGS/EPA National Land Cover Dataset (NLCD) •DOI/USDA LANDFIRE Program •Western States Consumptive Water Use •NOAA Coastal Change Analysis Program •Global Forest Watch Forest Change Products Landsat is the most widely used land remote sensing data source within Federal civil agencies The Land Cover Data - Version 1.0 represents a highly thematically detailed land cover map of the U.S. Low Intensity Residential - Includes areas with a mixture of constructed materials and vegetation. The goal of the GAP/LANDFIRE National Terrestrial Ecosystems 2011 data is to provide accurate, seamless data on the vegetation and land cover of the United States. You need to enable JavaScript to run this app. LAND_COVER_2006_USGS_IN is a grid (30-meter cell size) showing 2006 Land Cover data in Indiana. USGS 2001 National ... land-cover; land-use; usgs; Additional Metadata. Vegetation accounts for less than 20 percent of the cover. The data analyst assumes that there is a temporal window during which hay and pasture green up before most other annual or perennial vegetation. Yup, you can get land cover data for the whole USA enchilada. Acquisition dates of the NAPP photographs range from the late 1980s to 1997, whereas the satellite data were mostly acquired from 1991 to 1993. Note: download the data files labeled "grid_cell". It has many advantages including: • Multiple data sources • No limit of the amount of data you can download (no max point limit) There are many different resolutions of surface information in the National Elevation Dataset (NED). 1. These areas are not subject to intensive management, but are often utilized for grazing. The Digital Object Identifier (DOI) for the data product is given below. Urban or Recreational Grasses - Vegetation (primarily grasses) planted in developed settings for recreation, erosion control, or aesthetic purposes. Likewise, there was often disagreement between LUDA and the Gap Analylsis Program on these classes. 10. Conterminous United States (based on 2011 imagery) Download Alaska Land Cover * Download Hawaii Land Cover * Download Puerto Rico Land Cover * * These data are based on 2001 imagery. 2001 National Land Cover Data Set Positives of the USGS 2001 National Land Cover Data Set The Natural Terrestrial Ecosystems Viewer allows the user to explore the land cover data for the conterminous United States. These nationally standardized, raster-based inventories of land cover are derived from multiple dates of Landsat satellite imagery and provide 7 epochs of land cover data for years 2001, 2003, 2006, 2008, 2011, and 2016. The National Land Cover Database (NLCD) serves as the definitive Landsat-based, 30-meter resolution, land cover database for the Nation. Map Name: Layers Legend All Layers and Tables Dynamic Legend Dynamic All Layers Layers: Deciduous Forest - Areas dominated by trees where 75 percent or more of the tree species shed foliage simultaneously in response to seasonal change. Other GAP Online Data Viewers are also highlighted. Use 7zip or another compression program to open these files. Originator: U.S. Geological Survey EROS data center Publication_Date: 2000 Title: LandCover_key -- National Land Cover Data Set key ... National Land Cover Dataset. Quarries, Strip Mines, or Gravel Pits - Areas of extractive mining activities with significant surface expression. 18. Database (NLCD) land cover layer is one of several primary and supplementary layers in NLCD 2006. NOTE - All classes may NOT be represented in a specific state data set. The success of discriminating between these classes using leaves-off data sets depends on the time of data acquisition. The National Land Cover Database (NLCD) serves as the definitive Landsat-based, 30-meter resolution, land cover database for the Nation. 2001 National Land Cover Data Set West Africa land use and land cover time series (USGS Fact Sheet 2017-3004) Started in 1999, the West Africa Land Use Dynamics project represents an effort to map land use and land cover, characterize the trends in time and space, and understand their effects on the environment across West Africa. The NLCD was produced as a cooperative effort between the U.S. Geological Survey (USGS) and the U.S. Environmental Protection Agency (US EPA) to produce a consistent, land cover data layer for the conterminous U.S. using early 1990s Landsat thematic mapper (TM) data purchased by the Multi-resolution Land Characterization (MRLC) Consortium. This grid is a subset of the National Land Cover Data (NLCD 2006) data set. Commercial, Industrial, or Transportation - Includes infrastructure (roads, railroads) and all highways and all developed areas not classified as High Intensity Residential. Shrub cover is generally greater than 25 percent when tree cover is less than 25 percent. Similar problems exist within agricultural classes due to crop rotations. It is difficult to acquire a single-date of imagery (leaves-on or leaves-off) that adequately differentiates between both deciduous and hay/pasture and hay/pasture and row crops. Constructed materials account for 80 to 100 percent of the cover. 4) spatial uncertainty, such as geo-registration error. The USGS, in collaboration with the Bureau of Land Management, has produced projected rangeland fractional cover products for Western U.S. USGS 2006 National Landcover Metadata Updated: February 27, 2019 The National Land Cover Database products are created through a cooperative project conducted by the Multi-Resolution Land Characteristics (MRLC) Consortium. Mixed Forest - Areas dominated by trees where neither deciduous nor evergreen species represent more than 75 percent of the cover present. 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. Overview EROS is central to the creation of the National Land Cover Database (NLCD), which is updated every five years and stands as the definitive land cover database for the United States. Additional information about the National Land Cover Dataset (NLCD) can found at URL: . Pasture or Hay - Areas of grasses, legumes, or grass-legume mixtures planted for livestock grazing or the production of seed or hay crops. These products provide spatially explicit and reliable information on the Nation’s land cover and land cover change. National Land Cover Database 2011 (NLCD 2011) is the most recent national land cover product created by the Multi-Resolution Land Characteristics (MRLC) Consortium. When hay and pasture areas are non-green, those areas not easily distinguishable from other agricultural areas using remotely sensed data. The SSUs are manually interpreted and misclassification errors are estimated and described using a traditional error matrix as well as a number of other important measures including the overall proportion of pixels correctly classified, user's and producer's accuracies, and omission and commission error probabilities. The GAP/LANDFIRE National Terrestrial Ecosystems data layer provides detailed information about the vegetation of the United States. NASA EOSDIS Land Processes DAAC. The class numbers were assigned to numbers from 1 to 20. 2) The data sets used cover a range of years (see data sources), so changes that have occurred across the landscape over the time period may not have been captured. However, there is a temporal window during which hay and pasture areas green up before most other vegetation (excluding evergreens, which have different spectral properties); during this window these areas are easily distinguishable from other crop areas. The National Land Cover Dataset (NLCD) is a component of the USGS Land Cover Characterization Program. These products provide spatially explicit and reliable information on the Nation’s land cover and land cover change. NLCD2006 is based primarily on the unsupervised classification of Landsat Enhanced Thematic Mapper+ (ETM+) circa 2006 satellite data. The GAP/LANDFIRE National Terrestrial Ecosystems data, based on the NatureServe Ecological Systems Classification, are the foundation of the most detailed, consistent map of vegetation available for the United States. Originator: Multi-Resolution Land Characteristics (MRLC) Consortium - USGS, EPA, NOAA, BLM, NASA, NPS, USDA-NASS, USFWS, US Army COE. Access & Use Information ... Creative Commons Attribution. Fish and Wildlife Service, Department of the Interior, Washington, D.C., 191 p. Kelly, P.M. and White, J.M., 1993, Preprocessing remotely sensed data for efficient analysis and classification, Applications of Artificial Intelligence 1993: Knowledge-Based Systems in Aerospace and Industry, Proceeding of SPIE, 1993, p. 24-30. One class that suffers most is the transitional barren, a class that is designed for conditions such as temporary clearing and regeneration of forest cover. Published Dec 02, 2020. LAND_COVER_CHANGE_2001_2006_USGS_IN is a grid (30-meter cell size) showing 2001 to 2006 Land Cover Change pixels in Indiana. 3. U.S. Geological Survey Fact Sheet 2012–3020. These areas most commonly include single-family housing units. February 2012. NLCD 2011 provides - for the first time - the capability to assess The National Land Cover Dataset (NLCD) was produced as a cooperative effort between the U.S. Geological Survey (USGS) and the U.S. Environmental Protection Agency (US EPA) to produce a consistent, land cover data layer for the conterminous U.S. using early 1990s Landsat thematic mapper (TM) data purchased by the Multi-resolution Land Characterization (MRLC) Consortium. Projected NLCD Rangeland Cover Products Through 2080 – Now Available. The National Land Cover Database products are created through a cooperative project conducted by the Multi-Resolution Land Characteristics (MRLC) Consortium. 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