The usgs, working in partnership with the federal interagency multiresolution land characteristics mrlc consortium, is developing the national land cover database nlcd 2016. Percentage ic has been a database element of nlcd since 2001. This release also contains imperviousness, forest canopy, and shrubland rasters. National land cover database 2011 nlcd 2011 is the most recent national land cover product created by the multiresolution land. The data in nlcd 2011 are completely integrated with nlcd 2001 2011 edition and nlcd 2006 2011 edition.
This dataset represents percent developed imperviousness clipped to the northeast. Nlcd 92 land cover class definitions water all areas of open water or permanent icesnow cover. National land cover database nlcd 2011 sciencebasecatalog. Nlcd 2011 will update nlcd products to a nominal year of 2011 in all 50 states and puerto rico, and will continue to provide a national assessment of land cover change back to either 2001 or 2006. 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. One of the crucial elements of any project is having data. The goal of this project is to provide the nation with complete, current and consistent public domain information on its land use and land cover. Also includes an example of calling the epqs with a. Nlcd has also produced forest canopy density 1% increments for 2001 and 2011. The national land cover database products are created through a cooperative project conducted by the multiresolution land characteristics mrlc. Fourteen product suites now harmonize and integrate land cover change across the conterminous united states through.
Nlcd 2011 provides for the first time the capability to assess walltowall, spatially explicit, national land cover changes and trends across the united states from 2001 to 2011. National land cover database 2011 nlcd 2011 ag data. The establishment of the usgs land cover institute continues the longstanding usgs commitment to land cover excellence that was first made by dr. Staged productsthe topographic maps and geographical information system gis data provided in the national map are pregenerated into downloadable products often available in multiple formats. Questions about the nlcd 2011 land cover product can be directed to the. The two main objectives were assessment of agreement between map and reference labels for the three, singledate nlcd land cover products at level ii and. National land cover database nlcd data can be downloaded at the mrlc website. Nlcd 2011 land cover 2011 edition, amended 2014 national. Also, as part of the nlcd 2011 project, nlcd 2001 and 2006 land cover and impervious data. Nlcd serves as the definitive landsatbased, 30m pixel resolution, land cover database for the nation. These products provide spatially explicit and reliable information on the nations land cover and land cover change. These nationally standardized, rasterbased 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 latest data were released in may 2019, and contain updated versions for 2001, 2004, 2006, 2008, 2011, 20, and new data for 2016. Nlcd is provided by the mrlc multiresolution land characteristics consortium as a large collection of raster datasets. Find and download nlcd data as prepackaged data types and years. The 2016 alaska landcover includes new impervious and developed features across the state as well as updated change information products for all years. Multiresolution land characteristics mrlc consortium. The goal of this project is to provide the nation with complete, current, and consistent public domain information on its land use and land cover. The usda, nass cropland data layer cdl is a raster, georeferenced, cropspecific land cover data layer.
The national land cover database nlcd serves as the definitive landsatbased, 30meter resolution, land cover database for the nation. Nlcd 2011 is scheduled for public release in december 20. Multiple people find the download from the usgs nlcd website slow, so its probably an issue with their server. Thematic accuracy assessment of the 2011 national land.
Geological survey, on behalf of the interagency multiresolution land characteristics consortium mrlc, is pleased to announce the availability of national land cover data nlcd 2001 products for the conterminous united states. The original national land cover database nlcd was created in 1992 by the multiresolution land characteristics mrlc consortium. The data in nlcd 2011 are completely integrated with those of previous versions. Comments off on 2011 national land cover now available on asdi the arkansas gis office has added the 2011 national land cover database to the arkansas spatial data infrastructure asdi. National land cover database nlcd nc state university. Nlcd 2011 land cover 2011 edition, northeast sciencebase. For more information on nlcd and to download nlcd data free of charge, visit themlrc website. Gap landfire national terrestrial ecosystems data set provides information on the. One type of data that we find frequently used is national land cover database nlcd data. Nlcd is used for thousands of applications that require information on landcover location or where it is changing. The mrlc consortium is a partnership of federal agencies. Download and crop the national land cover database. Learn more about efforts to map the nations land cover. Geological survey, on behalf of the interagency multiresolution land characteristics consortium.
The full national land cover database 2011 data set can be downloaded directly. Nlcd 2011 products will be also released for alaska later this year. Download gaplandfire national terrestrial ecosystems 2011 data by direct selections below. Jun 12, 2019 downloading nlcd data can also be obtained by using the get data tool. Nlcd 2016 offers 7 integrated epochs of land cover for years 2001, 2003, 2006, 2008, 2011, 20, and 2016.
These data facilitate the planning and management for biological diversity on a regional and national scale. Landcover gap 30m 2011 usgs raster arkansas gis office. To use this tool, your project must have a projection already defined. Download a zipped directory containing a shapefile of the. Purpose the goal of this project is to provide the nation with complete, current and consistent. Nlcd 2011 land cover resources minnesota geospatial. Perennial icesnow all areas characterized by yearlong surface cover of ice andor snow. 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. Tnm nlcd overlays and elevation point query service epqs leaflet example shows leaflet example of calling 2011 nlcd wms layers as overlays.
Dec 11, 2018 nlcd 92 land cover class definitions the classification system used for nlcd 92 is modified from the anderson landuse and landcover classification system. For each geoarea the arcgis combine operation was used to generate unique combinations of the pixels from the 2001 national gap vegetation data usgs gap 2011, 2011 nlcd homer et al. National land cover database nlcd is a landsat tm derived classification of the united states. Land cover nlcd 1992, imagery and base maps, summary data. This grid is a subset of the national land cover data nlcd 2011 data set. Data set, category, summary data, date created, download, web service. National land cover database 2011 nlcd 2011 is the most recent national land cover product created by the multiresolution land characteristics mrlc consortium. Accuracy assessment is a standard protocol of national land cover database nlcd mapping. The first data set was created in 1995 from circa 1992 imagery and was followed by 2001, 2006, 2011, and nlcd 2016 in the spring of 2019. Download a zipped tile from the national land cover database.
Geological survey usgs, in partnership with several federal. Open water all areas of open water, generally with less than 25% cover of vegetationland cover. Nlcd 2011 fromto 2016 land cover change pixels alaska. Boxpoint current extent coordinates located point polygon. 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. Nlcd is a land cover monitoring database, providing generalized land cover 16 classes and impervious cover 1% increments for the u. Accuracy assessment of nlcd 2011 percent impervious cover for. All land cover, imperviousness and tree canopy products are now available for download here. Forest fragmentation of wv 2011, biology, summary data. Usgs makes nlcd 2011 land cover map data public geospatial. National land cover database 2011 nlcd 2011 ag data commons. The gaplandfire 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. Downloadable data although these data have been processed successfully on a computer system at the usgs, no warranty expressed or implied is made by. The two intermediate products and 2006 imperviousness were compared to remove false estimates in nonurban areas and generate a 2011 impervious surface estimate.
The original published 2001 and 2011 alaska nlcd classifications are generally. Nlcd 2011 is based primarily on a decisiontree classification of circa 2011 landsat satellite data. They can all be downloaded at once if you use the download manager. National land cover database 2011 nlcd 2011 is the most recent national land cover product created by the multi. Summary the goal of this project is to provide the nation with complete, current and consistent public domain information on its land use and land cover.
Nlcd is generated in cooperation with the multiresolution land characteristics consortium a partnership of federal agencies working together to produce current, nationally consistent, land cover products for all 50 states and puerto rico. Here we report agreement statistics between map and reference labels for nlcd 2011, which includes land cover for ca. Using the get data tool, clickanddrag a box in the graphics window that covers the area where you want nlcd data. February 27, 2019 the national land cover database products are created through a cooperative project conducted by the multiresolution land characteristics mrlc consortium. National land cover database nlcd design completed.
All land cover, imperviousness and tree canopy products are now available for download. Download the data and store so microdem can recognize it. The following is excerpted from metadata provided by the usgs for the nlcd 2011. Data multiresolution land characteristics mrlc consortium. The usgs point of contact is for questions relating to the data display and download from this web site. Nlcd, entitled nlcd 2011, is currently 2012 in production. The data in nlcd 2011 are completely integrated with nlcd 2001 2011 edition, amended 2014 and nlcd 2006 2011 edition, amended 2014. Questions about the nlcd 2011 land cover product can be directed to the nlcd 2011 land cover mapping team at the usgseros, sioux. Geological survey usgs in collaboration with the mrlc. Fourteen product suites now harmonize and integrate land cover change across the. Click on title to download individual files attached to this item or. This dataset was created through a cooperative project conducted by the multiresolution land characteristics mrlc consortium. Geological survey usgs leads nlcd land cover and imperviousness production for the bulk of the nation.
The multiresolution land characteristics mrlc consortium is a group of federal agencies who coordinate and generate consistent and relevant land cover information at the national scale for a wide variety of environmental, land. 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. All other nlcd 2011 products were created on a pathrow basis and mosaicked to create a seamless national product. Accuracy assessment of nlcd 2011 percent impervious cover. National land cover database 2011 status and plans youtube. Pdf completion of the 2011 national land cover database.
Additionally, nlcd editions from 2001 to 2011 have been integrated to provide a 10year land cover change comparison for our nation at five year intervals. May 22, 2014 the data in nlcd 2011 are completely integrated with those of previous versions. Usgs topo in openlayers 2 usgs topo rest service from the national map rendered with the openlayers 2. Nlcd 2016 will feature new products of labeled land cover and fractional cover products of urban imperviousness. As with two previous nlcd land cover products nlcd 2011 keeps the same. Nlcd 2011 is the most uptodate iteration of the national land cover database, the definitive landsatbased, 30meter resolution land cover database for the nation.
The data can also be downloaded for the national map as part of the 2011 nlcd dataset, but its in 3x3 degree segments so there are 1 parts to download. Nlcd 2011 is the most uptodate iteration of the national land cover database, the definitive landsatbased, 30 meter resolution land cover database for the nation, clipped to the northeast. National land cover database nlcd design completed land. See the 2001 and 2011 land cover products for the specific metadata. The national hydrography datasets, watershed boundary dataset, governmental boundary units, transportation, structures, elevation contours and geographic. In order to provide the land cover user community a summary of the similarity and differences between the 2011 national land cover dataset nlcd and the landscape fire and resource management planning tools program existing vegetation 2010 data landfire evt, the two datasets were compared at a national conterminous u. Purpose the goal of this project is to provide the nation with complete, current and consistent public domain information on its land use and land cover. Multiresolution land characteristics mrlc consortium usgs, epa, noaa, blm, nasa, nps, usdanass, usfws, us army coe.
Geological survey usgs in collaboration with the mrlc consortium has released a new. Here are three ways this data can be imported into wms. Geological survey usgs in collaboration with the mrlc consortium has released a new generation of national land cover database nlcd products for alaska. Return to top developed areas characterized by a high percentage 30 percent or. Many of the anderson classes, especially the level iii classes, are best derived using aerial photography. Nlcd 2011 percent developed imperviousness 2011 edition.
923 347 830 1240 1189 1005 1554 320 29 624 1549 715 1559 744 222 971 702 1508 1095 302 270 339 837 1001 1459 29 1279 1015 722 43 1022 403 216