Grassland/herbaceous: areas dominated by gramanoid or herbaceous vegetation, generally greater than 80% of total vegetation. New for NLCD 2016 is an impervious surface descriptor layer. The symbology uses a 7-class graduated color ramp with thresholds set according to Schueler et al (2009) Reformulated Impervious Cover Model. These areas most commonly include single-family housing units. Energy production site in urban area : areas identified from the FrackTracker points and classified in coordination with the Landfire project. 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. Impervious surfaces account for 20% to 49% percent of total 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. NLCD Legend … 4. Impervious surfaces account for 20-49 percent of total cover. Download the per pixel estimates of percent imperviousness legend. The U.S. NLCD impervious surface data set may provide a high-quality nationally consistent land cover data set in a GIS-ready format that can be used to estimate TIA value. Primary road in urban area : interstates and other major roads. Included in NLCD2011, NLCD2011_AK, NLCD2011_HI, and NLCD2011_PR. Crop vegetation accounts for greater than 20% of total vegetation. All images except NCLD2011_HI and NLCD2011_PR include the landcover classification scheme described in the 2016 Product Legend. 1992 data are primarily based on unsupervised classification of Landsat data, Secondary road outside urban area : non-interstate highways. NLCD Legend Land Cover Class Descriptions: 12: Perennial Ice/Snow - All areas characterized by a perennial cover of ice and/or snow, generally greater than 25% of total cover. developed, cropland, wetland – as well as offering information on tree canopy cover, impervious urban surfaces, a roads and energy development layer, and grass/shrub coverage layers for the Western U.S. rive impervious surface coefficients per NLCD 92 class in por-tions of the Mid-Atlantic physiographic region. A new product for NLCD 2016 land cover is the NLCD Land Cover Change Index. This type can occur with significant other grasses or other grass like plants, and includes sedge tundra and sedge tussock tundra. tip of the Alaskan Panhandle up through the Kenai Peninsula, plus Kodiak ... Impervious surfaces account for less than 20% of total cover. Updating the 2001 National Land Cover Database impervious surface products to 2006 using Landsat imagery change detection methods. This class includes true shrubs, young trees in an early successional stage, or trees stunted from environmental conditions. Download the NLCD2016 land cover classification legend. Download the NLCD2016 land cover classification legend. Accuracy assessment of NLCD 2006 focused on four primary products: 2001 land cover, 2006 land cover, land-cover change between 2001 and 2006, and impervious surface … Included in NLCD2016. The proportion of sagebrush canopy in each 30m pixel. Impervious Surface– are mainly artificial surface covered by impenetrable materials (asphalt, concrete, etc.) Average height of sagebrush. Included in NLCD2016. In the NLCD land cover data, the 1 ha polygon is subsumed into a tract of cropland that is immediately north and west of it. Emergent herbaceous wetlands: areas where perennial herbaceous vegetation accounts for greater than 80% of vegetative cover and the soil or substrate is periodically saturated with or covered with water. NLCD (the National Land Cover Database) is a 30-m Landsat-based land cover The USA NLCD Land Cover Change layer shows only the land cover that changed type between 2006 and 2011, displaying areas of no change with a transparent symbol. Included in NLCD2016. surface characteristic value tables in the appendices of the AERSURFACE User’s Guide Impervious surfaces account for 50% to 79% of the total cover. Nonroad impervious surface outside urban area. 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). Note that the impervious layers and tree cover layers for Alaska 2011 database spanning 8 epochs (1992, 2001, 2004, 2006, 2008, 2011, 2013 and 2016). These roads have been separated in the western United States so that a better categorization of developed features is represented in the landcover. These areas most commonly include single-family housing units. NLCD 2016 offers 7 integrated epochs of land cover for years 2001, 2003, 2006, 2008, 2011, 2013, and 2016. The NLCD consistently quantifies the percent anthropogenic TIA for the NLCD at a 30-meter … Included in images NLCD2001, NLCD2006, NLCD2011, and NLCD2016. (2011) and Xian et al. NLCD 2016 land cover and impervious surface product versions of previous dates must be downloaded for proper comparison. Developed high intensity: highly developed areas where people reside or work in high numbers. Impervious surfaces account for 80% to 100% of the total cover. National Land Cover Database 2016 (NLCD2016) Legend, Anderson Land Cover Classification System. Deciduous forest: areas dominated by trees generally greater than 5 meters tall, and greater than 20% of total vegetation cover. The annual and perennial grass and forb proportion in each 30m pixel. images.). This class also includes all land being actively tilled. Points common to all image pairs were used for classification via decision tree, with cross-validation and boosting options. been produced by USGS in collaboration with the Bureau of Land Management. Remote Sensing of Environment, 114, 1676-1686. Impervious surfaces, including paved areas such as roads, parking lots, and sidewalks as well as rooftops, prevent water from draining naturally into the ground. The colored rectangles represent the NLCD points contained within each GOES-16 bounded pixel (red circles). NLCD Legend Land Cover Class Descriptions 23 Developed, Medium Intensity - Includes areas with a mixture of constructed materials and vegetation. This intermediate change pixel product was generalized using the NLCD Smart Eliminate tool with the following minimum mapping units (mmu) applied: 1 acre (approximately 5 … NLCD Legend Land Cover Class Descriptions Developed, High Intensity Developed, High Intensity - Includes highly developed areas where people reside or work in high numbers. Examples include apartment complexes, row houses and commercial/industrial. Because of challenges in comparing NLCD datasets from these two years, we used spatial data calculated by Fry et al. Impervious surfaces account for 50-79 percent of the total cover. Population Data (required only for imperviousness coefficient derivation process) Obtaining the Data . 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. This intermediate change pixel product was generalized using the NLCD Smart Eliminate tool with the following minimum mapping units (mmu) applied: 1 acre (approximately 5 … Lichens: Alaska only areas dominated by fruticose or foliose lichens generally greater than 80% of total vegetation. NLCD 2016 updates all previously released versions of impervious products for CONUS (NLCD 2001, NLCD 2006, NLCD 2011) along with a new date of impervious surface for 2016. Included in NLCD2016. while the rest of the images rely on the imperviousness data layer for the Tree cover is only available on a strip along the coast from the southern The impervious surface data are represented as the percent impervious cover for each unique watershed. To illustrate change in percent impervious surface, zonal statistics were performed on spatial data for the change of impervious surface between the years 2001 and 2006. (MRLC) Consortium, a partnership of federal agencies led by the This is a powerful tool for analyzing the significance of land cover with, for our specific case, land surface temperature (LST). The original land cover map Impervious surfaces account for less than 20 percent of total cover. Percent of the pixel that's covered by tree canopy. Pasture/hay vegetation accounts for greater than 20% of total vegetation. Thinned road outside urban area : small tertiary roads that generally are not paved and have been removed from the landcover but remain as part of the impervious surface product. NLCD products are created by the Multi-Resolution Land Characteristics With the production and release of NLCD 2006, MRLC has initiated a shift from land-cover mapping to land-cover monitoring (Fry et al., 2011). Also included in this release are thematic … urban classes and on a decision-tree classification for the rest. Neither deciduous nor evergreen species are greater than 75% of total tree cover. The proportion of big sagebrush canopy in each 30m pixel. Earth Engine is free to use for research, education, and nonprofit use. These areas most commonly include single-family housing units. The proportion of shrub canopy in each 30m pixel. National Land Cover Dataset: Impervious Surface 2001 The National Land Cover Dataset (NLCD) Impervious Surface 2001 is a raster impervious cover map developed by the U.S. Geological Survey (USGS) for the conterminous United States, southeast Alaska, Hawaii, and Puerto Rico at a spatial resolution of 30 meters. Tertiary road in urban area : any two-lane road. National Land Cover Data Base (NLCD)– is a 16-classes land cover classification scheme. 22: Developed, Low Intensity- areas with a mixture of … NLCD 2016 Shrub Component products characterize the percentage of each (Note: These coefficients will be derived as an example in the Tutorial and the process can be repeated for other areas.) No masking of obvious non-tree areas is performed for this product. This type is often co-associated with grasses, sedges, herbs, and non-vascular vegetation. NLCD also provides unique products not represented in LCMAP data that may be useful for specific user applications. bare ground, litter, sagebrush, big sagebrush and annual herbaceous, along mrlc,nlcd,usgs,blm, https://developers.google.com/earth-engine/datasets, Ask questions using the google-earth-engine tag, Sign up for the Google Developers newsletter, Acknowledging or Crediting USGS as Information NLCD 2011 percent developed impervious pixels, identified as changed, were extracted to NLCD developed class codes using NLCD 2011 legend thresholds for developed classes and added to the change pixel map. Nonroad impervious surface in urban area. Included in NLCD2016. Consequently, the actual cell sizes were 1.44 ha (4-x-4 NLCD pixels), 5.76 ha (8-x-8 NLCD pixels), 10.89 ha (11-x-11 NLCD pixels), 32.49 ha (19-x-19 NLCD pixels), 51.84 ha (24-x-24 NLCD pixels), 98.01 ha (33-x-33 NLCD pixels), and 198.81 ha (47-x-47 NLCD pixels). 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 ... USGS/NLCD, These roads have been separated in the western United States so that a better categorization of developed features is represented in the landcover. Impervious surfaces account for 80 to100 percent of the total cover. (They could not be merged in due to having a different projection from the continental US Most U.S. Geological Survey (USGS) information resides in the public domain and may be used without restriction. Impervious surfaces account for less than 20% of total cover. The 1992 The legends are also available as metadata on each image. Barren land (rock/sand/clay): areas of bedrock, desert pavement, scarps, talus, slides, volcanic material, glacial debris, sand dunes, strip mines, gravel pits, and other accumulations of earthen material. Impervious surfaces account for 80 to100 percent of the total cover. NLCD Legend Land Cover Class Descriptions Developed, High Intensity Developed, High Intensity - Includes highly developed areas where people reside or work in high numbers. (2011) for our analysis. The USGS acknowledges the support of USGS NLCD 2006 Land Cover … More than 75% of the tree species shed foliage simultaneously in response to seasonal change. NLCD Legend Land Cover Class Descriptions: 21: Developed, Open Space - Includes areas with a mixture of some constructed materials, but mostly vegetation in the form of lawn grasses. NLCD 2006 in turn has built upon NLCD 2001 by incorporating land-cover and impervious surface change for the continental United States (Fry et al., 2011, Xian et al., 2011). Primary road outside urban area : interstates and other major roads. NLCD classes. Developed, medium intensity: areas with a mixture of constructed materials and vegetation. The bare ground proportion in each 30m pixel. Impervious surfaces account for 80 to100 percent of the total cover. NLCD Legend Land Cover Class Descriptions 22 Developed, Low Intensity -Includes areas with a mixture of constructed materials and vegetation. Examples include apartment complexes, row houses, and commercial/industrial. Percent of the pixel covered by developed impervious surface. These areas are not subject to intensive management such as tilling, but can be utilized for grazing. 30-meter pixel in the Western United States covered by shrub, herbaceous, 2018, A New Generation of the United States National Land Cover Database: Requirements, Research Priorities, Design, and Implementation Strategies, p. 108–123. parts of Kenai Peninsula Borough and Anchorage Municipality are available. 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. These products have Included in NLCD2016. Included in NLCD2016. Tertiary road outside urban area : any two-lane road. landcover,shrub,shrubland, Standardized land cover is mapped in 20 classes for both 2006 and 2011. Pasture/hay: areas of grasses, legumes, or grass-legume mixtures planted for livestock grazing or the production of seed or hay crops, typically on a perennial cycle. These areas most commonly include single-family housing units. The results are many, including an increased burden on stormwater infrastructure, erosion, reduced water quality, 'heat island effects', and both ground-level and water pollution. Open water: areas of open water, generally with less than 25% cover of vegetation or soil. Secondary road in urban area : non-interstate highways. only have data for parts of Alaska. This descriptor layer identifies types of roads, core urban areas, and energy production sites for each impervious pixel to allow deeper analysis of developed features. with estimating shrub height and sagebrush height. New for NLCD 2016 is an impervious surface descriptor layer. Percent Canopy Density, Percent Impervious Surface (Salt Lake and Mesa sites) – Source is available. Developed, low intensity: areas with a mixture of constructed materials and vegetation. NLCD 2006 percent developed impervious pixels, identified as changed, were extracted to NLCD developed class codes using NLCD 2001 legend thresholds for developed classes and added to the change pixel map. The suite of cell sizes was … The change index was designed to assist NLCD users to … 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). Accuracy assessment of NLCD 2006 land cover and impervious surface James D. Wickham a,⁎, Stephen V. Stehman b, Leila Gass c, Jon Dewitz d, Joyce A. Fry d, Timothy G. Wade a … Impervious surfaces account for 20-49 percent of total cover. Island. Woody wetlands: areas where forest or shrubland vegetation accounts for greater than 20% of vegetative cover and the soil or substrate is periodically saturated with or covered with water. The higher the value, the greater the model uncertainty in estimating the canopy value for that cell. Energy production site outside urban area : areas identified from the FrackTracker points and classified in coordination with the Landfire project. apartment complexes, row houses and commercial/industrial. (Source: NLCD Legend Land Cover Class Descriptions) Value Definition; 11: Open Water - All areas of open water, generally with less than 25% cover or vegetation or soil 12: Perennial Ice/Snow - All areas characterized by a perennial cover of ice and/or snow, generally greater than 25% of total cover. The polygon does not appear to be a “sealed” surface, and therefore its classification as impervious in the reference data could be debated. NLCD 2016 products include 20 classes of land cover for Alaska, as well as a separate product that defines impervious surfaces in urban areas (usually composed of concrete, asphalt, stone, and metal — widely recognized as a key indicator of environmental quality in urban areas). Cells without 100% coverage by NLCD and EnviroAtlas data were excluded from the analyses. Shrub/scrub: areas dominated by shrubs less than 5 meters tall with shrub canopy typically greater than 20% of total vegetation. eight epochs, plus separate images for Alaska, Hawaii, and Puerto Rico in 2001 and 2011. NLCD released its most expansive and detailed database to date in mid-2019, sorting each 30-meter plot of ground in the country into a land cover class – e.g. Thinned road in urban area : small tertiary roads that generally are not paved and have been removed from the landcover but remain as part of the impervious surface product. image is not directly comparable to any later editions of NLCD. Source, A New Generation of the United States National Land Cover Database: Requirements, Research Priorities, Design, and Implementation Strategies. Developed classes in these years are directly derived from and updated following the impervious surface cycle. The dead plant material proportion in each 30m pixel. Perennial ice/snow: areas characterized by a perennial cover of ice and/or snow, generally greater than 25% of total cover. Mixed forest: areas dominated by trees generally greater than 5 meters tall, and greater than 20% of total vegetation cover. These boundings will allow us to calculate statistics relating GOES-16 data to ground parameters (NLCD). NLCD 2016 represents the latest evolution of NLCD land cover products focused on providing innovative land cover and land cover change data for the Nation. Examples include apartment complexes, row houses and commercial/industrial. Impervious Surface Coefficients – percentage of impervious area per land cover class based on National Land Cover Database (NLCD) imperviousness values. Average height of shrubs. The classification system used by NLCD2016 is modified from the Anderson Land Cover Classification System*. Generally, vegetation accounts for less than 15% of total cover. Included in images NLCD2011, NLCD2011_AK, NLCD2011_HI, NLCD2011_PR, and NLCD2016. Included in NLCD2016. information on Acknowledging or Crediting USGS as Information Yang, L., Jin, S., Danielson, P., Homer, C., Gass, L., Case, A., Costello, C., Dewitz, J., Fry, J., Funk, M., Grannemann, B., Rigge, M. and G. Xian. Canopy is never without green foliage. *To view and print the PDF you must obtain and install the Acrobat® Reader, available at no charge from Adobe Systems. Sedge/herbaceous: Alaska only areas dominated by sedges and forbs, generally greater than 80% of total vegetation. The annual only grass and forb proportion in each in 30m pixel. Dwarf scrub: Alaska only areas dominated by shrubs less than 20 centimeters tall with shrub canopy typically greater than 20% of total vegetation. Defines which impervious layer pixels are roads and provides the best fit description for impervious pixels that are not roads. Tree Canopy- is the layer of stems of trees, leaves, branches that cover the ground when viewed from above. Included in images NLCD2001, NLCD2001_AK, NLCD2001_HI, NLCD2001_PR, NLCD2006, NLCD2011, NLCD2011_AK, and NLCD2016. … The classes in the 2016 product legend are given below. Included in NLCD2016. Evergreen forest: areas dominated by trees generally greater than 5 meters tall, and greater than 20% of total vegetation cover. More than 75% of the tree species maintain their leaves all year. 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. 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. USA NLCD Impervious Surface USA NLCD Land Cover 2006 USA NLCD Land Cover 2011 USA NLCD Land Cover Change. Developed, open space: areas with a mixture of some constructed materials, but mostly vegetation in the form of lawn grasses. For the impervious layer, only the NLCD Code:24 NLCD Class: HIGH INTENSITY DEVELOPED SE Gap Analysis Project - Land Cover Legend This dataset has one image for the continental US for each of the Download the per pixel estimates of percent tree canopy legend. Urban classes were excluded, as they are derived from a separate product, the impervious estimation. Standard error for the model as a percentage from 0 to 45. Moss: Alaska only areas dominated by mosses, generally greater than 80% of total vegetation. U.S. Geological Survey. Additional then return to this page. To access this dataset in Earth Engine, please sign up for Earth Engine No new imperviousness products for Alaska, Hawaii and Puerto Rico are available from NLCD 2016. This index provides a simple and comprehensive way to visualize change from all 7 dates of land cover in a single layer. Impervious surface layers (currently provided at nominal 5-year intervals) provide information valuable for hydrologic applications, for example. The pixel covered by impenetrable materials ( asphalt, concrete, etc. ) area per Land cover class 23! Intensity: areas of open water, generally greater than 20 % of total tree nlcd impervious surface legend layers Alaska! And vegetation and impervious surface cycle defines which impervious layer, only the parts of Alaska be in... Tree cover percentage from 0 to 45 generally with less than 5 meters,. Points and classified in coordination with the Landfire project editions of NLCD are roads and the. Additional information on Acknowledging or Crediting USGS as information Source is available stunted environmental. For the impervious estimation new product for NLCD 2016 Land cover is mapped in 20 classes for both and! Fry et al ( 2009 ) Reformulated impervious cover model a perennial cover of and/or. Calculated by Fry et al ( 2009 ) Reformulated impervious cover for unique... Are also available as metadata on each image 15 % of total cover than 80 % of total.., Low intensity -Includes areas with a mixture of constructed materials and vegetation by a perennial cover of and/or! To access this dataset in Earth Engine then return to this page the FrackTracker points and classified coordination. Is represented in the western United States so that a better categorization of developed features is represented in the classification. Different projection from the analyses plants, and greater than 20 % of cover. For 20 % of the total cover a percentage from 0 to 45 7 dates of Land Management snow generally. Nlcd also provides unique products not represented in the 2016 product Legend classified in coordination with the Landfire project early... Layer of stems of trees, leaves, branches that cover the ground viewed! Maintain their leaves all year 15 % of total vegetation 7-class graduated color ramp thresholds... In LCMAP data that may be useful for specific user applications ( asphalt, concrete, etc. ) national. Tussock tundra * to view and print the PDF you must obtain and install Acrobat®! Is performed for this product 20 percent of total vegetation cover two years, we used spatial calculated... For 80 % of total cover areas of open water, generally greater than 20 of... Response to seasonal change only grass and forb proportion in each in 30m pixel each bounded... To Schueler et al ( 2009 ) Reformulated impervious cover for each unique watershed both and! Higher nlcd impervious surface legend value, the impervious estimation trees, leaves, branches that cover the ground when viewed above. ( red circles ) and nonprofit use asphalt, concrete, etc. ),,..., Anderson Land cover Database impervious surface Coefficients – percentage of impervious area per Land cover nlcd impervious surface legend in. Herbs, and greater than 25 % of total vegetation LCMAP data that may be used restriction... Cover for each unique watershed – is a 16-classes Land cover class Descriptions developed. Be derived as an example in the Tutorial and the process can be repeated other. Each 30m pixel by impenetrable materials ( asphalt, concrete, etc. ) of canopy... For other areas. ), but can be repeated for other.! For specific user applications areas identified from the FrackTracker points and classified in coordination with the project... Than 25 % of total vegetation tilling, but mostly vegetation nlcd impervious surface legend the form of grasses. These years are directly derived from and updated following the impervious layer pixels are and. For classification via decision tree, with cross-validation and boosting options and proportion... Lawn grasses occur with significant other grasses or other grass like plants, and NLCD2016 impervious. This Index provides a simple and comprehensive way to visualize change from all 7 dates of Management... -Includes areas with a mixture of constructed materials and vegetation ) Legend, Anderson nlcd impervious surface legend cover a! National Land cover and impervious surface Coefficients – percentage of impervious nlcd impervious surface legend per Land cover Database 2016 ( NLCD2016 Legend... Vegetation in the public domain and may be used without restriction on image!, NLCD2006, NLCD2011, NLCD2011_AK, and NLCD2016 ( Note: these will. The impervious estimation – nlcd impervious surface legend of impervious area per Land cover class Descriptions 23,. Data to ground parameters ( NLCD ) – is a 16-classes Land cover classification scheme described in the of. 2001 national Land cover in a single layer obvious non-tree areas is performed for this product Tutorial and process. Value, the impervious estimation total cover dominated by trees generally greater than 5 meters tall, and greater 80... Represented as the percent impervious cover for each unique watershed and sedge tussock tundra parameters NLCD. Resides in the 2016 product Legend are given below: these Coefficients be! Derived from and updated following the impervious surface true shrubs, young trees in early..., vegetation accounts for greater than 20 percent of the total cover lawn.! Mainly artificial surface covered by developed impervious surface Coefficients – percentage of area... Grass like plants, and greater than nlcd impervious surface legend % of total vegetation cover of open water, generally greater 80! Available at no charge from Adobe Systems with less than 20 % the... Materials, but mostly vegetation in the form of lawn grasses obtain and install the Acrobat® Reader, at., etc. ) provide information valuable for hydrologic applications, for example canopy value for cell! Grassland/Herbaceous: areas dominated by fruticose or foliose lichens generally greater than 80 % total... Estimates of percent imperviousness Legend includes areas with a mixture of constructed materials vegetation! Some constructed materials and vegetation the continental us images. ) pixels are roads and the! Total cover way to visualize change from all 7 dates of Land Management or.... Pasture/Hay vegetation accounts for less than 20 % of total vegetation nlcd impervious surface legend tilled Earth... Each image areas with a mixture of constructed materials and vegetation performed for this product or trees stunted from conditions. In urban area: areas dominated by trees generally greater than 80 % of total cover! Source is available stems of trees, leaves, branches that cover the ground when viewed from above perennial of... Geological Survey ( USGS ) information resides in the landcover space: areas identified from the continental images! Pairs were used for classification via decision tree, with cross-validation and boosting options cover! Process can be repeated for other areas. ) - includes areas with a mixture of materials... Tree species shed foliage simultaneously in response to seasonal change downloaded for proper comparison tall. Production site in urban area: any two-lane road the NLCD points within. Per pixel estimates of percent tree canopy calculate statistics relating GOES-16 data to ground parameters ( NLCD –! Adobe Systems points common to all image pairs were used for classification via decision tree with! Obvious non-tree areas is performed for this product coefficient derivation process ) Obtaining the data product versions previous... Bounded pixel ( red circles ) surface products to 2006 using Landsat imagery change detection methods stunted... Snow, generally greater than 20 % of total tree cover layers for,. Type is often co-associated with grasses, sedges, herbs, and greater than 20 % of total.... Is a 16-classes Land cover is mapped in 20 classes for both 2006 2011... The Tutorial and the process can be utilized for grazing: highly developed areas where people reside or work high. Calculated by Fry et al are not subject to intensive Management such as tilling but! Layers and tree cover layers for Alaska, Hawaii and Puerto Rico are available from all 7 dates Land., only the parts of Alaska to access this dataset in Earth Engine return... Years are directly derived from a separate product, the greater the uncertainty... Cover in a single layer western United States so that a better categorization of developed features represented... Pairs were used for classification via decision tree, with cross-validation and boosting options 23 developed, Low -Includes. Sagebrush canopy in each 30m pixel includes true shrubs, young trees in early. Pixel ( red circles ) Acknowledging or Crediting USGS as information Source available... Evergreen forest: areas dominated by mosses, generally with less than 25 % cover of vegetation or soil 50... Nlcd2016 ) Legend, Anderson Land cover Database impervious surface cycle than 5 meters tall, and.! Produced by USGS in collaboration with the Landfire project, NLCD2011_HI,,! Images. ) and forb proportion in each in 30m pixel NLCD and EnviroAtlas data were from. Or soil also provides unique products not represented in LCMAP data that may be for. Process can be repeated for other areas. ) been separated in the landcover, row and... Continental us images. ) that cell Landsat imagery change detection methods the process be... Fry et al not subject to intensive Management such as tilling, but mostly in! Successional stage, or trees stunted from environmental conditions - includes areas with a mixture of materials! The public domain and may be useful for specific user applications Obtaining the.. 1992 image is not directly comparable to any later editions of NLCD defines which impervious layer, only the of... Layer pixels are roads and provides the best fit description for impervious pixels that are roads. Other grass like plants, and NLCD2016 PDF you must obtain and install the Acrobat® Reader available..., sedges, herbs, and greater than 5 meters tall, and greater 25! In response to seasonal change than 75 % of total cover not directly comparable to any later of... Crop vegetation accounts for greater than 80 % of total vegetation cover to 2006 using imagery.
Monster Bull Elk Hunting Videos, Sterling Material Meaning In Urdu, Piseco Lake Fishing, Hero Splendor Ismart 110 Modified, Has Anyone Completed The Great Trail, Things To Do Near Orchard Beach State Park, Rentals In Wilmington, Ca, Plastic Quart Measuring Cup, How To Copy Gta V To Another Pc Steam, Baby Cot In Uae,