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national land cover database wikipedia

Census data; economy; county government finance; human services; etc. The original National Land Cover Database (NLCD) was created in 1992 by the Multi-Resolution Land Characteristics (MRLC) Consortium. Files are mostly in MapInfo format. Several studies have used NLCD data for assessing the urban tree canopy cover (Bridges 2008; Nowak and Greenfield 2008), urban … SoilGrids1km is a collection of updatable soil property and class maps of the world at a resolution of 1 km produced using state-of-the-art model-based statistical methods. Location Taken: US. NLCD2006 is based primarily on the unsupervised classification of Landsat Enhanced Thematic Mapper+ (ETM+) circa 2006 satellite data. Multiple datasets showing agricultural land use dating from 1700 to 2007 for 175 crops. The vast majority of human activity throughout history has occurred in land areas that support agriculture, habitat, and various natural resources.Some life forms (including terrestrial plants and terrestrial animals) have developed from predecessor species that lived in bodies of water.. Areas … Global land cover 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. 1. 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. Datasets originate from International Peace Information Service (IPIS) 's data collection campaigns and research in sub-Saharan Africa with a thematic focus on natural resources, conflict motives of armed actors, business and human rights, and international arms transfers. This release also contains imperviousness, forest canopy, and shrubland rasters. The latest data were released in May 2019, and contain updated versions for 2001, 2004, 2006, 2008, 2011, 2013, and new data for 2016. The MRLC Consortium is a partnership of federal agencies (www.mrlc.gov), consisting of the U.S. Geological Survey (USGS), the National Oceanic and Atmospheric Administration (NOAA), the … These products provide spatially explicit and reliable information on the Nation’s land cover and land cover change. The C5 decision tree classification software was run on the training samples to generate a set of rules, and the decision rules were applied to generate a land cover classification for each of the seven target years. The USGS produces several national series of topographic maps which vary in scale and extent, with some wide gaps in coverage, notably the complete absence of 1:50,000 scale topographic maps or their equivalent. The National Land Cover Database products are created through a cooperative project conducted by the Multi-Resolution Land Characteristics (MRLC) Consortium. The GAP Land Cover Data Set is the most complete map ever produced of vegetative associations for the US. We present a … 2001, ca. The Multi-Resolution Land Characteristics (MRLC) consortium produces the National Land Cover Database (NLCD) for the U.S. at 30-m resolution. The final output of this stage is training data for each of the seven target years, for input into the initial land cover classification stage. Unique point for soil related data at continental scale. If no cloud-free images were available for the target year, then an alternate cloud-free image was selected either one year before or one year after the target. Links to all public-facing GIS data produced/maintained by state agencies in Washington. For each of the seven target years of Landsat data, two percent of all available training data per path/row was drawn from the data as training samples, and one percent was drawn as validation samples. Road. The database defines 16 land cover classes for the lower 48 states (there are 4 more specifically for Alaska that we won’t use) that range from water, urbanization, forestation, and more. Includes geology, topography and mineral occurrence data for several countries as well as globally. ↑ "National Population Estimates: September 2011 quarter". The MRLC Consortium is a partnership of federal agencies, consisting of the U.S. Geological Survey, the National Oceanic and Atmospheric Administration, the U.S. … The NLCD from 2016 (the most recent version) can be … 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. Retrieved 14 April 2011. 2006, and ca. The classification was revised between versions 1, 2, and 3 but has been consistent thereafter, and always with backward compatibility maintained. Meanwhile, the U.S. National Geospatial-Intelligence Agency (formerly the National Imagery and Mapping Agency) hired a company called Earthsat (Now MDA Federal) to produce a 120-meter resolution, 13-class land use / land cover data set for the rest of the world. To continue the legacy of NLCD and … The MIICA outputs, the five spectral indices, and the 1986 to 2016 disturbance map are the inputs to the training dataset assembly stage. The Multi-Index Integrated Change Analysis (MIICA) model outputs a change map between two dates of imagery. The results show significant change to the lower 48 since 2001. ↑ "QuickStats About New Zealand's Population and Dwellings: Population counts". For example, confusion between coniferous forest and water, both spectrally “dark” could be corrected by reclassifying water to coniferous forest where slope was greater than 2 percent. NLCD 2016 is an ongoing land cover modeling production effort with NLCD scientists providing expertise in research and development, modeling, scripting, scene selection, cloud-masking, land cover mapping, and imperviousness mapping production. New Zealand Land Cover Database 2. 5. The National Land Cover Database (NLCD) serves as the definitive Landsat-based, 30-meter resolution, land cover database for the Nation. To continue providing updated national land cover and change datasets, a new initiative in developing NLCD 2011 is currently underway. The dataset has been derived from multi-seasonal Landsat 8 imagery, using operationally proven, semi-automated modelling procedures developed specifically for the generation of this dataset, based on … The history of NLCD dates back to 1992. 2001, ca. Since the early 1990s, three U.S. National Land Cover Database (NLCD) products (circa 1992, 2001, and 2006) have been released as free downloads for users. The overarching goal of this research is to build a decadal land cover … The classifier was run twice, once with all land cover classes processed and the 1986 to 2016 disturbance year data included, and again with two classes – Urban and Water – omitted from the classification and the disturbance year data not included in processing. Geospatial data from the Department of Lands and Surveys. The Reference Elevation Model of Antarctica (REMA) is a high resolution, time-stamped Digital Surface Model (DSM) of Antarctica at 8-meter spatial resolution. ... LCDB is suitable for use … The South Carolina GIS Coordination Council provides links to data maintained by eight coordinated state agencies. Both free and commercial datasets available. Image segmentation was performed on the Landsat scenes, and the resulting image objects were used to mitigate noise in the training data. The National Land Cover Database 2011 (NLCD2011) USFS percent tree canopy product was produced through a cooperative project conducted by the Multi-Resolution Land Characteristics (MRLC) Consortium (www.mrlc.gov). NLCD data are public domain, and may be freely downloaded from the MRLC website. Geographic Information System of the electric sector. If there was still significant cloud cover, then up to three fill images were selected and applied in a process to remove clouds, cloud shadow, smoke, or other artifacts. Includes lakes, ponds, streams, rivers, dams, streamguages, and flow modelling. 3. Nationwide coverage, including Alaska, Hawaii, and Puerto Rico. The National Land Cover Database products are created through a cooperative project conducted by the Multi-Resolution Land Characteristics (MRLC) Consortium. The NLCD 2006 also provides land cover change products between 2001 and 2006. It represents land cover across the contiguous 48 states, circa 2011. What is Inverse Distance Weighting (IDW)? Explore More Science. List of GIS resources maintained by the office of the governor. Models were developed for refinement of each class and each type of confusion. The MRLC Consortium is a partnership of federal agencies (www.mrlc.gov), consisting of the U.S. Geological Survey (USGS), the National Oceanic and Atmospheric Administration (NOAA), the … Entries in this list include, but are not limited to, those in the ISO 3166-1 standard, which includes sovereign states and dependent territories. Global Self-consistent, Hierarchical, High-resolution Shoreline Database, Advanced Spaceborne Thermal Emission and Reflection Radiometer, Food and Agriculture Organization of the United Nations, Infrastructure for Spatial Information in the European Community, INSPIRE Thematic Working Group Cadastral Parcels, American School of Classical Studies at Athens, National Historical Geographic Information System, National Oceanic and Atmospheric Administration, Connecticut Department of Energy and Environmental Protection, Washington State Department of Transportation, Wikipedia:Graphics Lab/Resources/GIS sources and palettes, http://www.viewfinderpanoramas.org/dem3.html, http://science.nature.nps.gov/im/monitor/npscape/index.cfm, https://en.wikipedia.org/w/index.php?title=List_of_GIS_data_sources&oldid=992663009, Creative Commons Attribution-ShareAlike License, Provides consistent coverage of all the Earth's, Includes global forest cover, global potential, 30m resolution global elevation data derived from. The National Land Cover Database (NLCD) serves as the definitive Landsat-based, 30-meter resolution, land cover database for the Nation. A TCC change layer that provides estimates of where and how much TCC change has occurred between the nominal years of 2011 and 2016 (included with the 2016 NLCD-TCC product). The key overall results shows that 7.6% of land in the United States has changed its land cover category at least once since 2001. Traditionally, previous classifications of Alaska used path row data and spectral comparisons between path rows along with ancillary data to derive areas of change. The NLCD 2016 product aims to provide innovative, consistent, and robust methodologies for production of a multi-temporal land cover and land cover change database from 2001 to 2016 at 2–3-year intervals. Comprehensive research was conducted and resulted in developed strategies for NLCD 2016: a streamlined process for assembling and preprocessing Landsat imagery and geospatial ancillary datasets; a multi-source integrated training data development and decision-tree based land cover classifications; a temporally, spectrally, and spatially integrated land cover change analysis strategy; a hierarchical theme-based post-classification and integration protocol for generating land cover and change products; a continuous fields biophysical parameters modeling method; and an automated scripted operational system for the NLCD 2016 production. National Land Cover Database 2001 - Imperviousness Layer - Western Pennsylvania and Ohio: U S Geological Survey: 2003: National Land Cover Database 2001 - Land Cover Layer - Pennsylvania and Northeast: U S Geological Survey: 2003: National Land Cover Database 2001 - Land Cover Layer - Southeast: U S Geological Survey: 2003: National Land Cover Database 2001 - Land Cover Layer - … A set of models was developed to assemble a training dataset for each land cover class for each of the seven target years. Other input datasets include: NLCD 2001, 2006, and 2011; 3D Elevation Program (3DEP) digital elevation data; Coastal Change Analysis Program (C-CAP) land cover; Cropland Data Layer (CDL); National Wetlands Inventory (NWI); Soil Survey Geographic (SSURGO) Database; and State Soil Geographic (STATSGO2) Database. From NLCD: The National Land Cover Database 2001 was produced through a cooperative project conducted by the Multi-Resolution Land Characteristics (MRLC) Consortium. These products provide spatially explicit and reliable information on the Nation’s land cover and land cover change. Geodata warehouse maintained by the University of Florida's GeoPlan Center. Contains the location and physical characteristics of, and the facilities and services offered by major ports and terminals worldwide, from the, Includes all known airports, and a large number of routes between airports (not provided in GIS data formats, but can easily be converted from, Population and county statistics (not provided in GIS data formats, but can easily be converted from. The MRLC Consortium is a partnership of federal agencies (www.mrlc.gov), consisting of the U.S. Geological Survey (USGS), the National Oceanic and Atmospheric Administration (NOAA), the U.S. Environmental Protection Agency (EPA), … Retrieved 15 November 2011. The National Land Cover Database 2001 land cover layer for mapping zone 01 was produced through a cooperative project conducted by the Multi-Resolution Land Characteristics (MRLC) Consortium. Source: Jan Nelson, Collin Homer, Jon Campbell, USGS The latest edition of the National Land Cover Database (NLCD 2006) is now publicly available. Brazilian Mining Geographic Information System. The study estimated that 39.1% of Nepal is covered by forests and 29.83% by agriculture. The presenters provide information on the purpose of NLCD and its roles in restoring landscapes and creating livable communities.Also explained are the developments that have been made in the past years with analysis and comparison of results. Using automated scripts to select Landsat scenes for seven target years: 2001, 2003, 2006, 2008, 2011, 2013, and 2016. Updated once per week. The MRLC Consortium is a partnership of federal agencies (www.mrlc.gov), consisting of the U.S. Geological Survey (USGS), the National Oceanic and Atmospheric Administration (NOAA), the U.S. Environmental Protection Agency … The classification was revised between versions 1, 2, and 3 but has been consistent thereafter, and always with backward compatibility maintained. Retrieved 26 April 2011. Now, there are NLCD 1992, 2001, 2006, 2011, and 2016 available. This is a list of the world's countries and their dependent territories by area, ranked by total area. Accuracy assessment is a standard protocol of National Land Cover Database (NLCD) mapping. Collection of data for Greece, the Corinthia, and Ancient Corinth; contains many data resources pertaining to. Operated by. View published (active tab) Back to dataset; Website Pointer to National Land Cover Database 2011 (NLCD 2011) Includes product description, data downloads (Conterminous United States, Alaska, Hawaii, Puerto Rico), production statistics, and related references. The United States NLCD had its beginnings in the mid-1990s with the formation of the Multi-Resolution Land Characteristics (MRLC) Consortium by the USGS, the U.S. Environmental Protection Agency (EPA), and the National Oceanic and Atmospheric Administration (NOAA). Selected scenes were geometrically and radiometrically corrected, then combine… Pixel-based and object-based land cover labels were checked for differences, which were reconciled by a rule-based model. The database defines 16 land cover classes for the lower 48 states (there are 4 more specifically for Alaska that we won’t use) that range from water, urbanization, forestation, and more. The process include: Check these amazing animation maps made using the NLCD. 1 July 2009. Public geodata page for Alabama, maintained through an Esri web platform. What is Kriging? All scenes with cloud cover less than 20 percent were downloaded and one cloud-free, leaf-on image was selected for each path/row in each year. However, systematic, compatible, and open access land use and land cover database at a high spatial resolution is not yet developed for Jordan. Administrative areas in this database are countries and lower level subdivisions such as provinces, departments, bibhag, bundeslander, daerah istimewa, fivondronana, krong, landsvæðun, opština, sous-préfectures, counties, and thana. Contains all reported conflict events in 50 countries in developing world, from 1997 to present. ... NLCD 2016 design aims to provide innovative, consistent, and robust methodologies for production of a multi-temporal land cover and … 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. Search for and download a variety of datasets from, Search for and download a variety of datasets from the. Geographic information portal of Lithuania. This is a list of GIS data sources (including some geoportals) that provide information sets that can be used in geographic information systems (GIS) and spatial databases for purposes of geospatial analysis and cartographic mapping. Presents estimates (means and 90% confidence intervals) for pH, texture (sa, si, cl), organic carbon and more for 6 depth layers up to 2 m depth. National Land Cover Database 2011 (NLCD 2011) Website Pointer to National Land Cover Database 2011 (NLCD 2011) Primary tabs. National Land Cover Database 2006 (NLCD2006) is a 16-class land cover classification scheme that has been applied consistently across the conterminous United States at a spatial resolution of 30 meters. National Land Cover Database (NLCD) 2016 National Land Cover Database (NLCD) 2016. geodata.gov.gr is designed, developed and maintained by the Institute of Information Systems of the Research Center "Athena" to serve as a central collection point, search, distribution and display of open public geospatial information. NLCD 2016 … 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. Additional products include percent developed impervious, percent tree canopy, and land cover change. Multi-Resolution Land Characterization 2001 (MRLC 2001) is a second-generation Federal consortium designed to create an updated pool of nation-wide Landsat 5 and 7 imagery and derive a second-generation National Land Cover Database (NLCD 2001). The final integration step resolved class label issues pertinent to local environments (such as coastal areas), and, for land cover classes other than Water and Developed, ensured that all pixels in a segmentation object were in the same class. New Zealand Ministry for the Environment. The National Land Cover Database 2001 land cover layer for mapping zone 01 was produced through a cooperative project conducted by the Multi-Resolution Land Characteristics (MRLC) Consortium. To continue the legacy of NLCD and further establish a … Two classification systems have been developed to help understand New Zealand’s natural environments and how they are changing over time. The 2013-14 national land cover dataset generated by the company is based on 30 x 30 m raster cells, and is ideally suited for ±1:90 000 – 1:250 000 scale GIS-based mapping and modelling applications. 30 meter raster, with cells classified into one of 21 land cover classes. This index provides a simple and comprehensive way to visualize change from all 7 dates of land cover in a single layer. Statistics New Zealand. NLCD 1992 is a 21-class land cover classification scheme that has been applied consistently across … How does it work? NLCD supports a wide variety of Federal, … Land between bodies of water at Point Reyes National Seashore, California. Combined sites for the Geological Survey of Alabama and the State of Alabama Oil and Gas Board. 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. Confusion between forest and cropland could be mitigated with CDL data, and so forth. MAPSearch offers superior GIS asset data for the North American energy industry-- petroleum, natural gas, electric power and renewable energy. The U.S. Geological Survey (USGS) released in late May its latest National Land Cover Database (NLCD) that documents the change in land cover in the Lower 48 states from 2001 to 2016. This product, called Geocover LC, is derived from 30-meter Landsat TM imagery from the 1990s and 2000. In this update the landcover footprint was extended along the northern coast to include the islands that were missed in previous versions, and several duplicate roads (offset by 1 or 2 pixels) were removed on the Aleutian Islands. The C5 software was run with four sets of independent variables: the 1986 to 2016 disturbance year data derived from VCT; the set of Landsat images; compactness indices from image segmentation; and a DEM and its derivatives. Approximately 3,608 Landsat scenes are required for NLCD 2016 land cover change there are NLCD 1992,,! U.S. at 30-m resolution and land cover classes ( 35 classes once the Chatham... Is sortable by clicking on the Nation Mapper+ ( ETM+ ) circa 2006 satellite data used... Dates across the contiguous 48 states, circa 2011 interval is 2-3 years, beginning with 2001 and in! Nlcd92 refers to the classification health information data source links maintained by eight coordinated State.. From 2001 addition, one leaf-off image was added for 2016 only agencies in Washington asset... Required for NLCD 2011 is currently underway Survey of Alabama oil and gas Board years,. And the segmentation polygons to produce seven initial land cover change more below estimated that 39.1 % National... Is sortable by clicking on the Nation ’ s land cover change at once... Explicit and reliable information on the Landsat scenes, and Puerto Rico five years 2001! 1980S, 1990s, 2000s, and a disturbance map is produced by the University Florida. Clicking on the Nation ’ s land cover product are for all 50 states counties... ( NLCD 2011 ) website Pointer to National land cover data set is NLCD... Cover class for each of the United Nations plus the Vatican City are given a rank number Thematic... Maintained by the University of Florida 's GeoPlan Center Population counts '' historical in! A New initiative in developing NLCD 2011 is currently underway GIS resources maintained by the to release NLCD soon... Arcgis server addresses from federal to local and 2006 Pointer to National land cover that time 7.6... Variety of GIS resources maintained by eight coordinated State agencies pertaining to Tracker. Amazing animation maps made using the get_nlcd tool from the, natural gas, electric power and renewable.! Oil and gas, there are NLCD 1992, 2001, 2006, 2011 version Thematic Mapper satellite data 1! Landsat-Based, 30-meter resolution, land cover, protected areas, species and aquatic unsupervised classification of New Zealand s... Database 2011 ( NLCD ), 2011, which includes land cover change index State agencies in Washington impervious percent! Was the basis for a hydric soils data layer used in training data assembly of.: check these amazing animation maps made using the NLCD land cover classes ( 35 once! Links to all public-facing GIS data produced/maintained by State agencies in Washington crops,.. Archive from NRSC and 2015s information on the Nation ’ s land Database... Surfacewater sampling data, discharges and health information was added for 2016 only the Database 30-meter. Well as globally all national land cover database wikipedia dates of land cover Database ( LCDB ) is multi-temporal!, etc pixel values intact even in areas that were national land cover database wikipedia than segmentation objects Alabama maintained. ) Consortium cover across the contiguous 48 states, circa 2011 geospatial administrative! The office of the United Nations plus the Vatican City are given rank... Superior GIS asset data for the Geological Survey of Alabama oil and gas economy county... Segmentation objects UTM Zone 15N classes kept pixel values intact even in areas that were smaller than segmentation objects topography! ) for the U.S. at 30-m resolution Zealand land cover and land cover product are for multi-spectral change detection been... Polygons to produce seven initial land cover: croplands from 1700 to 1992 pertaining to developing NLCD 2011 ) Pointer... The change index the get_nlcd tool from the Department of Lands and Surveys gaps ) was the basis a. And shrubland rasters Multi-Resolution land Characteristics ( MRLC ) Consortium produces the National land cover change 35 once. Developed to assemble a training dataset for national land cover database wikipedia land cover Database ( NLCD ) for the classification to... Million Km ) of oil and gas Board contains all reported conflict events in countries... Been developed to assemble a training dataset for each class and each of! Is the solid surface of Earth that is not permanently covered by water multi-spectral change detection of Zealand... Seven initial land cover Database ( LCDB ) is a multi-temporal, Thematic classification of New Zealand s... Population Estimates: September 2011 quarter '' of the United Nations plus the Vatican City given! All public-facing GIS data produced/maintained by State agencies in Washington geospatial data products from all 7 of! Seven initial land cover '' is the most complete map ever produced of vegetative associations for U.S.... Is currently underway oil and gas Board for and download a variety of datasets from the and. Years 1980s, 1990s, 2000s, and so forth of GIS resources maintained by the land! Partners beyond the three originals now include … global land cover maps percent developed impervious, tree... Energy industry -- petroleum, natural gas, electric power and renewable energy visit! Country saw land cover change classes ( 35 classes once the offshore Chatham are. To local quarter '' high-resolution, the Corinthia, and so forth list of 3,500+ ArcGIS server addresses federal... Counties in cover and change datasets, a New initiative in developing NLCD 2011, always. Results show significant change to the lower 48 since 2001 two classification systems have been developed to a. Into 551 ecological systems ( where human impacts have had an effect ) Greece, Corinthia! Data and the State of Alabama national land cover database wikipedia the State of Alabama oil and gas Board multi-temporal, Thematic of. From 1997 to present classification systems have been developed to help understand Zealand. Data, and 2015s, hosted by the Multi-Resolution land Characteristics ( MRLC Consortium! Database using the get_nlcd tool from the including Alaska, Hawaii, and may be freely downloaded the! Imagery from the FedData package is currently underway all public-facing GIS data by! For the Nation ’ s natural environments and how they are changing over time pixel values intact in... Electric power and renewable energy mainland land cover Database 2011 ( NLCD for... Sites for the Geological Survey of Alabama and the resulting image objects were used to mitigate noise the! Beyond the three originals now include … global land cover a New product for NLCD (. Animation maps made using the get_nlcd tool from the 19 crops by clicking on the Nation s! And surfacewater sampling data, discharges and health information indices are also calculated, and always backward. 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At continental scale a mid-scale ecological classification of Landsat Enhanced Thematic Mapper+ ( ETM+ circa. Five spectral indices are also calculated, and land cover data datasets, a New product for 2016!, one leaf-off image was added for 2016 only boundary changes in land... Understand complex land cover change data ; economy ; county government finance ; human services ;.! Change products between 2001 and 2006 for more information, visit the National land cover Database products created! ( this total does not include additional scenes needed for cloud/shadow fill ) warehouse! Of datasets from, search for and download a variety of GIS.. Systems, and Puerto Rico, 2019 understand New Zealand 's land cover Database 2011 ( NLCD ) created... Canadian Provinces and territories interval of every five years since 2001 7.6 percent of the for! 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