The usgs, the university of nebraskalincoln, and the european commissions joint research centre have generated a 1km resolution global land cover characteristics data base for use in a wide range of environmental research and modeling applications. All continents in the global database share the same map projection interrupted goode homolosine, have 1km nominal spatial resolution, and are based on 1km. Revised data provincial land cover data base 2000 is available for northern ontario and is based on landsat images flown between 1998 and 2002. The usgs land cover institute lci is a focal point for advancing the science, knowledge, and. Geological survey techniques and methods 11c1 geographic information system software to enhance fielddata collection and management of land cover trends information by nathan wood, benjamin sleeter, and peter ng 2006 map annotation using tablet pc. Geological survey usgs released the latest edition of the national land cover database nlcd for the u. Geonetwork opensource allows to easily share spatial data among different users. Geological survey historical land use and land cover data, available from the u. Landuse data was constructed from the usgs global land cover characterization glcc database. Usgs uses github for all new software development, as well as open sourcing older software as time allows. Nlcd national land cover database nlcd2001 national land cover database, year 2001. The cdl is produced using satellite imagery from the landsat 8 olitirs sensor and the disaster monitoring constellation dmc deimos1 and uk2 sensors collected during the current growing season. Funded primarily by nasa, glcf has been involved in numerous research projects encompassing the fields of remote sensing, geospatial ecology, and information systems.
But to convert the file from the original crs to one of my choosing, i would have to know the original crs in the first place. Geological survey usgs for the conterminous united states and hawaii, have been enhanced for use in geographic information systems gis applications. What is the best free land cover and land use data set. Land use module softwright, llc rf design software. 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. Further studies of the interior of this fascinating ocean world will need to better combine data from the various instruments on the now defunct cassini spacecraft. The usgs 3d elevation program 3dep is managing the acquisition of lidar data across the nation for highresolution mapping of the land surface, which is useful for multiple applications. Completion of the national land cover database nlcd 19922001 land cover change retrofit product by j. Classifying landsat data for the national land cover. You have to convert your file into an 8bit flat binary file.
The 1km global land cover database was developed through a continentby. The global land cover characteristics database was developed on a continentbycontinent basis. Development of a global land cover characteristics. This report relies heavily upon 1 usgs techniques and methods, book 6. Global shape model for saturns moon enceladus land. Land use module the land use module imports usgs national land cover database nlcd files and modis global land cover files and uses them in the radio coverage predictions and link analyses.
Nlcd is generated in cooperation with the multiresolution land characteristics consortium. The global land cover characteristics database was developed on a continentby continent basis. What is the crs of the global land cover characteristics data base version 2. The land cover parameters were based on the national land cover database from the year 2001 homer and others, 2007. These data describe land cover type, and are based on 10 years 20012010 of collection 5. Land cover scientists investigate new ways to use satellite images and other data to map land cover. Wickham 3 1 stinger ghaffarian technologies sgt, inc. What crs is the usgs global land cover characteristics. Global land cover characterization glcc is a series of global land cover classification datasets that are based primarily on the unsupervised classification of 1km avhrr advanced very high resolution radiometer 10day ndvi normalized difference vegetation index composites. Loss values may be defined for any frequency ranges for each specified type of land use to permit the inclusion of localized environmental conditions in. The jets of water are fed from a global ocean hidden underneath a thick shell of ice. The dataset contains 5 dates of land use land cover data for 2,688 sample blocks randomly selected within 84 ecological regions. Usgs scientists have a long tradition of providing highquality, consistent, and relevant landcover data for the united states, using our archive of current and historical remote sensing data. Geological survey land cover trends project is releasing a 19732000 timeseries land use land cover dataset for the conterminous united states.
A formal accuracy assessment of the discover data layer will be completed in 1998. Geological survey usgs, the university of nebraskalincoln unl, and the european commissions joint research centre jrc have generated a 1km resolution global land cover characteristics data base for use in a wide range of environmental research and modeling applications. The following classifications are included in the glcc database. In the interim, a number of prototype land cover products will be produced. Global land cover characteristics data base version 2. Software to download usgs earthquake hazard program. Geonetwork the portal to spatial data and information. The national land cover database nlcd provides consistent, spatially explicit, periodically updated maps. The usda, nass cropland data layer cdl is a raster, georeferenced, cropspecific land cover data layer. Im voting to close this question as offtopic because it doesnt deal specifically with gis software or data, but rather web connectivity andor hosting issues hdunn oct 12 16 at 14. February 27, 2019 the national land cover database products are created through a cooperative project conducted by the multiresolution land characteristics mrlc consortium. Funding for the project was provided by the usgs, nasa, the u.
The national land cover database nlcd serves as the definitive landsatbased, 30meter resolution, land cover database for the nation. Geonetwork opensource provides internet access to interactive maps, satellite imagery and related spatial databases. Global land cover data are widely used in weather, climate, and hydrometeorological models. The internet enabled geographic information system gis allows users to quickly create maps of the upper mississippi river land cover data. The lulc mapping program is designed so that standard topographic maps of a scale of 1. Earth resources observation and science eros center.
Enhanced historical land use and land cover data sets of the u. Geological survey created the usgs land use and land cover lulc data by manually outlining and coding areas on air photos that appeared to have homogeneous land cover that corresponded to one of the anderson classes. 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. Geological surveys usgs earth resources observation system eros data center, the university of nebraskalincoln unl and the joint research centre of the european commission are generating a 1km resolution global land cover characteristics data base for use in a wide range of environmental research and modeling applications loveland and others, in press. Oge olson global ecosystems igbp international geosphere biosphere programme lulc usgs land use and land cover classification sbm simple biosphere model sbm2 simple biosphere 2 model bats biosphere atmosphere transfer scheme vl vegetation lifeforms. While lidar data are available for many department of the interior as well as other federal lands in the u. Classifying landsat data for the national land cover dataset. Its purpose is to improve access to and integrated use of spatial data and information. At the usgs eros center, we study land change and produce land change data products used by researchers, resource managers, and policy makers across the nation and around the world. The usgs lci has been established to provide access to, and scientific and. Geological survey are useful for environmental assessment of land use patterns with respect to waterquality analysis, growth management, and other types of environmental impact assessment. Global land cover characterization glcc is a series of global land cover classification datasets made available by the united states geological survey.
All continental databases share the same map projections. The nlcd1992 land cover map of virginia you have downloaded is only a. Conterminous united states based on 2011 imagery download. The global land cover facility glcf is an operational research and development project housed in the department of geographical sciences, within the college or behavioral and social sciences, at the university of maryland. Geological survey, university of nebraskalincoln and the european commissions joint research centre, ispra, italy produced a 1 km resolution global land cover characteristics database for use in a wide range of continentalto global scale environmental studies. The land cover data was derived from digital, multispectral landsat thematic mapper data.
The land cover parameter recognizes 17 categories of land cover following 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. Global lithological map database glim hartmann and moosdorf, 2012 land cover. The scope of usgs land cover activities ranges spatially and temporally, from local to global scales and includes historical, current and future timeframes. The soils parameter tables were derived based on soil survey geographic ssurgo database soil survey staff, natural resources conservation service, united states department of agriculture, 2012. The usgs and other agencies and organizations have produced land cover data to meet a wide variety of spatial needs. The overall goal is to produce flexible largearea land cover databases to meet evolving. Derived from global multiresolution terrain elevation data 2010 danielson and gesch, 2011 peak ground velocity pgv u. They are based primarily on the unsupervised classification of 1km avhrr advanced very high resolution radiometer 10day ndvi normalized difference vegetation index composites.
Satellite images and other remotely sensed data play an important role in this research. Goddard institute for space studies dataset global distribution of vegetation at 1x1 resolution. Enceladus has active eruptions of water ice that create and sustain the famous rings of saturn. Upper mississippi river system land cover viewer the long term resource monitoring ltrm element land cover land use data are featured in an arcgis server viewer. The usgs lci has been established to provide access to, and scientific and technical support for, the application of these land cover data. Webgis free lulc data geographic information systems. Geological survey shakemap worden and wald, 2016 lithology.
The avhrr source imagery dates from april 1992 through march 1993. The united states geological survey usgs provides these data sets and associated maps as a part of its national mapping program. The usgs land cover institute lci is a focal point for advancing the science, knowledge, and application of land use and land cover information. This map provides, for the first time, a webbased, gisready, global ecophysiographic data product for land managers, scientists, conservationists, planners, and the public to use for global and regional scale landscape analysis and accounting, said roger sayre, senior scientist for ecosystems, with the usgs. Arcmap thus only sees the file as just a picture with no spectral attributes, even though there are.
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