Additional products include percent developed impervious, percent tree canopy, and land cover change. 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). USGS 2001 National Landcover Metadata Updated: February 27, 2019. Emergent Herbaceous Wetlands - Areas where perennial herbaceous vegetation accounts for 75 to 100 percent of the cover and the soil or substrate is periodically saturated with or covered with water. 16. A citation containing the Digital Object Identifier (DOI) for each dataset is provided below. Use 7zip or another compression program to open these files. Canopy is never without green foliage. Mixed Forest - Areas dominated by trees where neither deciduous nor evergreen species represent more than 75 percent of the cover present. 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. Projected data include three time periods (2020s, 2050s, and 2080s) and two climate scenarios (Representative Concentration Pathways [RCP] 4.5 and … Low accuracy for classes related to land use is understandable. These products provide spatially explicit and reliable information on the Nation’s land cover and land cover change. 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. Yup, you can get land cover data for the whole USA enchilada. The success of discriminating between these classes using leaves-off data sets depends on the time of data acquisition. The raster spatial layer was projected and land cover information was selected using the 8-digit hydrologic unit code (HUC8) and the ARC/INFO GRIDCLIP command. Another source of error is the discrepancy between satellite imagery and NAPP photograph acquisition time. This grid is a subset of the National Land Cover Database (NLCD 2006) suite of data products. 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. Selected scenes were geometrically and radiometrically corrected, then combined into s… The USGS, in collaboration with the Bureau of Land Management, has produced projected rangeland fractional cover products for Western U.S. Published Dec 02, 2020. 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. U.S. Geological Survey Fact Sheet 2012–3020. The map legend based on NatureServe’s ecological system classification scheme provides detailed information on the vegetation types at a plant community level. Database (NLCD) land cover layer is one of several primary and supplementary layers in NLCD 2006. Other GAP Online Data Viewers are also highlighted. The framework of a national land use and land cover classification system is presented for use with remote sensor data. 14. 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. “National Land Cover Database 2011 (NLCD 2011) is the most recent national land cover product created by the Multi-Resolution Land Characteristics (MRLC) Consortium. Land Cover 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. Constructed materials account for 30 to 80 percent of the cover. Examples include parks, lawns, golf courses, airport grasses, and industrial site grasses. 12. The analysis and interpretation of the satellite imagery was conducted using very large, sometimes multi-state image mosaics (up to 18 Landsat scenes). Bare Rock, Sand, or Clay - Perennially barren areas of bedrock, desert, pavement, scarps, talus, slides, volcanic material, glacial debris, and other accumulations of earthen material. The USGS 2001 National Land Cover Data Set is the latest, most accurate, nearest-to-complete and standardized land use coverage for the entire United States. The framework of a national land use and land cover classification system is presented for use with remote sensor data. National Land Cover Database 2011 (NLCD 2011) is the most recent national land cover product created by the Multi-Resolution Land Characteristics (MRLC) Consortium. •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 Friedl, M., Gray, J., Sulla-Menashe, D. (2019). 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. The application also included buttons to display two reference data sets in the background: (1) a point coverage of all of the original labels in the GIRAS files (unmodified by GIS polygon processing operations), and (2) the 1992 National Land Cover Data Set (Vogelmann and others, 2001; U.S. Geological Survey, 2002). Image Dimensions: 720 x 474 The USGS 2001 National Land Cover Data Set is the latest, most accurate, nearest-to-complete and standardized land use coverage for the entire United States. Detailed Description. The National Land Cover Database products are created through a cooperative project conducted by the Multi-Resolution Land Characteristics (MRLC) Consortium. 3) Wetlands classes are extremely difficult to extract from Landsat TM spectral information alone. Originator: U.S. Geological Survey EROS data center Publication_Date: 2000 Title: LandCover_key -- National Land Cover Data Set key ... National Land Cover Dataset. These data facilitate the planning and management for biological diversity on a regional and national scale. 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. Originator: U.S. Geological Survey EROS data center Publication_Date: 2000 Title: LandCover_key -- National Land Cover Data Set key ... National Land Cover Dataset. Projected data include three time periods (2020s, 2050s, and 2080s) and two climate scenarios (Representative Concentration Pathways [RCP] 4.5 and … 10. 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. While this is not viewed as a major problem for most classes, it is possible that some land cover features change more rapidly than might be expected (for example, hay one year, row crop the next). These products provide spatially explicit and reliable information on the Nation’s land cover and land cover change. The successor to LULC is the USGS's National Land Cover Data (NLCD). This table can be related using the attribute "VALUE". << Back to Land Cover Data Overview: Data and Tools. There are 15 categories of land use shown in this data set when the associated layer file (LAND_COVER_2006_USGS_IN.LYR) is loaded. February 2012. 1. The National Land Cover Dataset (NLCD) is a component of the USGS Land Cover Characterization Program. 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. 18. 5. Vegetation may account for 20 to 70 percent of the cover. Additional information about the National Land Cover Dataset (NLCD) can found at URL: . 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. 9. 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. This grid is a subset of the National Land Cover Data (NLCD 2006) 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. Shrubland - Areas dominated by shrubs; shrub canopy accounts for 25 to 100 percent of land cover. 1995 Land Cover/Use (LTRM) 1994 Land Cover/Use (LTRM) 1991 Land Cover/Use (LTRM) 1989 Landsat Satellite Land Cover/Use (LTRM) 1989 Land Cover/Use (LTRM) 1975 Land Cover/Use (GREAT) 1890's Land Cover/Use (Mississippi River Commission) Vegetation (LTRM monitoring data) Floodplain Forests (LTRM) LTRM Land Cover Viewer ; Land Cover/Use Interactive Maps 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. 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. Evergreen Forest - Areas characterized by trees where 75 percent or more of the tree species maintain leaves all year. An alternative is USGS data from the National Map Viewer. Note: download the data files labeled "grid_cell". Open Water - areas of open water, generally with less than 25 percent or greater cover of water (per pixel). 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 … These products provide spatially explicit and reliable information on the Nation’s land cover and land cover change. There are 15 categories of land use shown in this data set when the associated layer file (LAND_COVER_2011_USGS_IN.LYR) is loaded. In rare cases, herbaceous cover is less than 25 percent, but exceeds the combined cover of the woody species present. These data can be used in a geographic information system (GIS) for many purposes such as assessing wildlife habitat, water quality, pesticide runoff, and land use change. Yup, you can get land cover data for the whole USA enchilada. 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). 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. The VIIRS Land Cover Dynamics product suite provides global land surface phenology metrics for up to two detected growing cycles per year. National Land Cover Data Set NLCD, U.S. Geological Survey (USGS) The NLCD was compiled from Landsat TM imagery (circa 1992) with a spatial resolution of 30 meters supplemented by various ancillary data (where available). USGS National Land Cover Data 1992 (NLCD 92) NLCD 92 data by State ... USGS CTG Land Use/Land Cover (LULC) Data . 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. Figure 1. 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. 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. Details. Projected data include three time periods (2020s, 2050s, and 2080s) and two climate scenarios (Representative Concentration Pathways [RCP] 4.5 and … 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. Projected NLCD Rangeland Cover Products Through 2080 – Now Available. Published Dec 02, 2020. 6. The GAP/LANDFIRE National Terrestrial Ecosystems data layer provides detailed information about the vegetation of the United States. Downloads & Resources. National Biogeographic Map. Download Land Cover Data. Shrub cover is generally greater than 25 percent when tree cover is less than 25 percent. Areas observed on the ground to be shrub or grass are not always distinguishable spectrally. Small Grains - Areas used for the production of graminoid crops such as wheat, barley, oats, and rice. 2) time difference in source imagery and reference data acquisition (hay/pasture, row crop, wetland, transitional), Commercial, Industrial, or Transportation - Includes infrastructure (roads, railroads) and all highways and all developed areas not classified as High Intensity Residential. Vegetation accounts for less than 20 percent of the cover. The map legend based on NatureServe’s ecological system classification scheme provides detailed information on the vegetation types at a plant community level. The source data is the "National Land Cover Database 2011" produced by the United States Geological Survey (Homer and others, 2011). The National Land Cover Database (NLCD) serves as the definitive Landsat-based, 30-meter resolution, land cover database for the Nation. These areas most commonly include single-family housing units. The discrimination between hay and pasture and deciduous forest is likewise optimized by selecting data in a temporal window where deciduous vegetation has yet to leaf out. The statistical accuracy of the data is known only for the region. 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. 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. The Digital Object Identifier (DOI) for the data product is given below. Visually checked against land use and land cover data sets. A screen shot of the National Land Cover Dataset from 2001. The class numbers shown below represent the original digital values of the classes in the NLCD data set. 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. The Natural Terrestrial Ecosystems Viewer allows the user to explore the land cover data for the conterminous United States. National Land Cover Database 2011 (NLCD 2011) is the most recent national land cover product created by the Multi-Resolution Land Characteristics (MRLC) Consortium. Download the 1:250,000 scale LULC US data sorted alphabetically, through the USGS Web Site. 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. 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 definitive Landsat-based, 30-meter resolution, land cover for each Dataset is provided below data. ) planted in developed settings for recreation, erosion control, or aesthetic purposes National Viewer. 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