Includes product description, data downloads conterminous united. Completion of the national land cover database nlcd 1992. Nlcd data are public domain, and may be freely downloaded from the. The national land cover database nlcd provides nation. National land cover database 2001 nlcd2001 statistics multi. Nlcd 2001 is widely used as a baseline for national land cover and impervious cover conditions. The new zealand land cover database lcdb is a multitemporal, thematic classification of new zealands land cover. National land cover database 2011 nlcd 2011 ag data commons. National land cover database zone 01 tree canopy layer. Updating the 2001 national land cover database land cover.
Pdf completion of the 2001 national land cover database for. 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 national land cover database nlcd serves as the definitive landsatbased, 30meter resolution, land cover database for the nation. Completion of the national land cover database nlcd 1992 2001 land cover change retrofit product by j. Additional products include percent developed impervious, percent tree canopy, and land cover change. Development of a 2001 national landcover database for the united states. The 2016 national land cover database nlcd product suite available on. National land cover data for the national wildlife refuge. Land cover is measured both in total square meters and as a proportion of all land within the tract. This landcover map and all documents pertaining to it are considered provisional until a formal accuracy assessment can be conducted. The usgs lci has been established to provide access to. Geological survey usgs national land cover database nlcd 2001 to a nominal date of 2006. The usgs and other agencies and organizations have produced land cover data to meet a wide variety of spatial needs. National land cover database nlcd nc state university.
The national land cover data set for 2001 was produced through a cooperative project conducted by the multiresolution land characteristics mrlc consortium. May 17, 20 the national land cover database 2001 was produced through a cooperative project conducted by the multiresolution land characteristics mrlc consortium, a partnership of federal agencies. S the nlcd 2001 land cover dataset was produced through a cooperative project conducted by the multiresolution land characteristics mrlc consortium. The national land cover database 2001 land cover layer for minnesota mapping zones 3151 was. Conterminous united states land cover change patterns 2001.
A new paper entitled, conterminous united states land cover change patterns 2001 2016 from the 2016 national land cover database, has just been published in the isprs journal of photogrammetry and remote sensing. Completion of the national land cover database nlcd 1992 2001 land cover change retrofit product. For a detailed definition and discussion on mrlc and the nlcd 2001 products, refer to homer et al. National biomass and carbon dataset woods hole research.
Ccap regional land cover and change national oceanic and. National land cover database land cover layer minnesota. The mrlc consortium is a partnership of federal agencies. Ccap data forms the coastal expression of the national land cover database nlcd and the a16 land cover theme of the national spatial. National land cover database 2001 nlcd01 tree canopy layer. This image service contains the national land cover database nlcd 2001 land cover classification rasters of the conterminous u. The alaska data amount to the most uptodate and comprehensive land cover map ever produced for the largest u. Change of impervious surface area between 2001 and 2006 in the conterminous united states introduction land cover and land use change have long been recognized as an important driver of past and present ecosystem change, especially when considering terrestrial biodiversity loss in humandominated regions ipcc, 2007. Land cover change in indiana, derived from the 2001 and 2006 national land cover database united states geological survey, 30meter tiff image limitation of warranties and liability this product is provided as is, without any other warranties or conditions, expressed or. The united states 2001 national land cover database 7 scattering using a smart eliminate aggregation algorithm. Geological survey usgs national land cover database nlcd 2001, which represents the nations land cover status based on a nominal date of 2001, is widely used as a baseline for national land cover conditions. The original nlcd coverage was clipped to refuges within each us fish and wildlife service region.
The national land cover database nlcd 2016 provides a suite of data products, including land cover and land cover change of the conterminous united states from 2001 to 2016, at two to three. New land cover maps depict 15 years of alaska change. This land cover map and all documents pertaining to it are considered provisional until a formal accuracy assessment can be conducted. National land cover database 2011 nlcd 2011 is the most recent national land cover product created by the multiresolution land characteristics mrlc consortium. National scale land use data land use data mapped at the national scale 1. Dec 11, 2018 under the geography banner within the survey, it is arguably the largest operational land cover agency in the world today.
We maintain the spatial datasets described here in order to better describe washingtons diverse natural and cultural environments. Completion of the 2001 national land cover database for. National land cover database zone 01 land cover layer abstract. Learn more about efforts to map the nations land cover. The use of standardized data and procedures assures consistency through time and across geographies. Arcgis javascript arcgis online map viewer arcgis earth arcmap arcgis pro view footprint in.
Nlcd 19922001 retrofit land cover change product developments in mapping methodology, new sources of input data, and changes in the mapping legend for the 2001 national land cover database nlcd2001 will confound any direct comparison between nlcd2001 and national land cover dataset 1992 nlcd1992. Nlcd is generated in cooperation with the multiresolution land characteristics consortium mrlc a partnership of. View help for summary this dataset contains measures of land cover e. Land cover has historically been part of usgss research heritage, and has been significantly influential in the science of mapping land cover and land use. Jul 16, 2015 geographic features are described by a polygon boundary, a land cover code, and a land cover name at each of four nominal time steps. Completion of the 2001 national land cover database for the conterminous united states photogrammetric engineering and remote sensing by. Our geodatabases standard projection and datum are in washington state plane. This gallery contains land cover, impervious surface, and tree canopy cover datasets from the nlcd 2001 database, separated into 17 zones for the united states. Multiresolution land characteristics consortium, u. The national land cover database nlcd provides nationwide data on land cover and land cover change at a 30m resolution with a 16class legend based on a modified anderson level ii classification system.
Change of impervious surface area between 2001 and 2006 in. Completion of the 2001 national land cover database for the conterminous united states article pdf available in photogrammetric engineering and remote sensing 734 april 2007 with 3,437 reads. Data were derived from the national land cover database nlcd 2001 land cover, a product of the multiresolution. Data multiresolution land characteristics mrlc consortium. Download the per pixel estimates of percent tree canopy legend. National land cover database 2001 nlcd2001 legend multi. Nlcd 2006 is the most recent 30meter, seamless, walltowall land cover database for the conterminous united states. Conterminous united states land cover change patterns 2001 2016 from the 2016 national land cover database. Multiresolution land characterization 2001 mrlc 2001 is a secondgeneration federal consortium designed to create an updated pool of nationwide landsat 5 and 7 imagery and derive a secondgeneration national land cover database nlcd 2001. Land cover seamless downloads mrlc nlcd 2001 nlcd 2006. The land cover service contains data for the united states, puerto rico, and the u.
Database nlcd land cover layer is one of several primary and supplementary layers in nlcd 2006. National land cover database 2011 nlcd 2011 is the most recent. Dec 11, 2018 the usgs land cover institute lci is a focal point for advancing the science, knowledge, and application of land use and land cover information. Pdf completion of the 2001 national land cover database. 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 national land cover database 2001 land cover layer for mapping zone 01 was produced through a cooperative project conducted by the multiresolution land characteristics mrlc consortium.
The original national land cover database nlcd was created in 1992 by the multiresolution land characteristics mrlc consortium. National land cover database zone 01 land cover layer. National land cover database 2001 nlcd01 imperviousness. National land cover database nlcd 2001 was used to determine land cover classes and acres for the national wildlife refuge system. National land cover database 2011 nlcd 2011 ag data. The national land cover database 2001 was produced through a cooperative project conducted by the multiresolution land characteristics mrlc consortium, a partnership of federal agencies. The national land cover database 2001 tree canopy layer for mapping zone 01 was produced through a cooperative project conducted by the multiresolution land characteristics mrlc consortium. The national land cover database nlcd provides nationwide data on land cover. These products represent the first time this type of 30meter cell land cover change has been produced for the conterminous united states. Select datasets users can select one or more datasets. The release of nlcd 2016 provides important new information on land change patterns across conus. One of the primary goals of the project is to generate a current, consistent, seamless, and accurate national land cover database nlcd circa 2001 for the united states at medium spatial resolution. Pdf completion of the 2011 national land cover database for the.
Nys gis clearinghouse us environmental protection agency. The original national land cover database nlcd was created in 1992 by the. 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. The national land cover database 2001 land cover layer for mapping zone 41 was produced through a. The multiresolution land characteristics consortium has supported the development of two national digital land cover products. Updating the 2001 national land cover database impervious. The see5 decision tree method that was selected for nlcd 2001 breiman and others, 1984.
For more information, visit the national land cover database website. The data set is designed to complement in theme, scale and accuracy, land information new zealands 1. Use 7zip or another compression program to open these files. As a public service, we have made some of our data available for viewing and downloading. Get started data basin is a sciencebased mapping and analysis platform that supports learning, research, and sustainable environmental stewardship. These geoareas are aggregations of the 66 multiresolution land characteristics consortium mlrc mapping zones that have been used by nlcd, gap and landfire as mapping zones in their 2001 national mapping efforts homer et al. The latest edition of the national land cover database nlcd 2016 for alaska is now publicly available.
Dec 04, 2019 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. Completion of the 2001 national land cover database for the. National land cover database nlcd nc state university libraries. Phenology study of the conterminous united states usgs land cover historical milestones.
Land cover data overview national gap analysis program. This table is for illustrative purposes only, we encourage you to download the most recent nlcd2001 data file to complete detailed land cover analysis. The nlcd national land cover database of 2006 wms web mapping service quantifies land cover and land cover change between the years 2001 to 2006 and provides an updated version of nlcd 2001. This 30meter resolution data set represents the imperviousness layer for the conterminous united states for the 2001 time period. To continue the legacy of nlcd and further establish a longterm monitoring. Land cover data download national gap analysis program. It identifies 33 mainland land cover classes 35 classes once the offshore chatham islands are included. Wickham 3 1 stinger ghaffarian technologies sgt, inc. A screen shot of the national land cover dataset from 2001. This grid is a subset of the national land cover data nlcd 2001 data set. Downloading maps with the national map download client. National land cover database 2001 nlcd01 tree canopy. Nlcd 2001 land cover resources minnesota geospatial.
Multiresolution land characteristics mrlc consortium. This algorithm uses eightcorner connectivity from a central pixel to allow nonlinear features like roads and streams to remain intact, and accesses a weighting table to allow smart decisions on a dissolve protocol. The national land cover data set for 2001 was produced through a cooperative project conducted by the. 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. National biomass and carbon dataset woods hole research center. The national land cover database nlcd serves as the. Geological survey usgs national land cover database nlcd 2001, which represents the nations land cover status based on a nominal date of 2001, is widely used as. Geological survey usgs, the national oceanic and atmospheric administration noaa, the u. The national land cover database 2001 land cover layer for mapping zone 30 was produced through a cooperative project conducted by the multiresolution land characteristics mrlc consortium. Usgs 2001 national landcover north dakota gis hub data. National land cover database nlcd data can be downloaded at the mrlc website. The data have been arranged into four tiles to facilitate timely display and manipulation within a geographic information system, browse graphic. National land cover database 1992 and 2001 mapping contemporary land cover change across the conterminous united states. Nlcd is a land cover monitoring database, providing generalized land cover 16 classes and impervious cover 1% increments for the u.
The latest data were released in may 2019, and contain updated versions for 2001, 2004, 2006, 2008, 2011, 20, and new data for 2016. Find and download nlcd data as prepackaged data types and years. National land cover database 2011 status and plans youtube. May 22, 2014 national land cover database 2011 status and plans. 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. Pdf completion of the 2001 national land cover database for the. Table 1 provides links to the datasets and associated documents that should be read before using the data. These products provide spatially explicit and reliable information on the nations land cover and land cover change. Ccap data forms the coastal expression of the national land cover database nlcd and the a16 land cover theme of the national spatial data infrastructure. 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 2016 offers 7 integrated epochs of land cover for years 2001, 2003, 2006. The national land cover data set for 2001 was produced through a cooperative project conducted by. United states national land cover database 2016 multitemporal land cover and change methodology implementation strategies abstract the u. Development of a 2001 national landcover database for the. Available data have been used for many environmental applications, including land use planning, hydrological analyses, habitat assessments, as well as many others. National land cover database office for coastal management. This 30meter resolution data set represents the tree canopy layer for the conterminous united states for the 2001 time period.
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