The global land covershare glc share is a global land cover database with spatial resolution of 30 arcseconds 1 sq. January 7, 2019 josephkerski leave a comment go to comments. The data were prepared by using modis data with remote sensing technology. The data set describes historical land use changes over a 300year historical period 17001990. The overall goal is to produce flexible largearea land cover databases to meet evolving requirements of the earth science. Expected products of the proposed project include global remote sensing data for use in developing land cover characterizations within ia models, prototype land cover data sets developed by the project and data sets developed by the ia community, centralized access to land cover data by the ia community and other users, and a system for data. Funded primarily by nasa, glcf has been involved in numerous research projects encompassing the fields of remote sensing, geospatial ecology, and information systems. The cci land cover lc team is proud to announce the successful development of three new global land cover databases at 300m resolution, which consist of. Because the global validation database should expand over time as new validation data are contributed, the sampling design must be constructed so that it is simple to increase the. Webgis free lulc data geographic information systems.
These maps were generated for use by global modelers and others. Land cover and land use change information earthdata. The jrc coordinated and implemented the global land cover 2000 project glc 2000 in collaboration with a network of partners around the world. A number of landcover products, both global and regional, have been produced and more are forthcoming. Land cover classification system tool lccs a userfriendly tool with a graphical user interface that allows the classification of the land cover features in a comprehensive system, applying the lcml standard. This website provides access to our datasets of the distribution of the worlds natural vegetation, croplands, grazing lands, major crops, etc. Updated global elevation data released by nasa gis lounge. 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. The datasets integrate multiple global remote sensingderived landcover products and provide consensus information on the prevalence of 12 landcover classes at 1km resolution. The main instrument of gladis is the analytical tool that can be used to identify the main ecosystem properties in one or more places and make the. Landuse data was constructed from the usgs global land cover characterization glcc database. This data set gives the global distribution of countriespolitical subunits, reflecting the world scene in 1993. A global land cover database primarily derived from 1992 to 1993 1km avhrr data.
Globeland30 is stored according to raster data format, and there are 853 data tiles all over the world. Global land cover maps provide a synoptic overview and broad stratification of land cover over large areas. It is a webbased, free, opensource and globally available tool. Vegetation indices are used for globally monitoring vegetation conditions and are used in products displaying land cover and land cover changes. Choices about landuse and landcover patterns have affected and will continue to affect our vulnerability to the effects of climate change. Data documentation for dataset 9821 historical landcover change and. During this reprocessing, the original edc land cover type and fraction maps were adjusted to match the waterland fraction of the islscp ii landwater mask. The global forest cover change project, funded by the nasa measures program, is mapping changes in earths forest cover at subhectare resolution using the nasa usgs global land survey datasets circa 1975, 1990, 2000 and 2005. Corine land cover is a key database for integrated environmental assessment. Remap allows users without the otherwise needed, hard or software andor training to create land cover maps.
Enabling centralized access to land cover data for climate. In order for a user to create land cover maps, a 7step. The new zealand land cover database lcdb is a multitemporal, thematic classification of new zealands land cover. The data products corresponding to each data tile can be downloaded in the form of zip files, including five parts. Free gis data land cover and land use data gis resources.
The global land cover facility glcf is a center for land cover science with a focus on research using remotely sensed satellite data and products to assess land cover change for local to global systems. Islscp ii igbp discover and sib land cover, 19921993. A global dataset of crowdsourced land cover and land use. Global land cover characteristics data base version 2. The global land degradation information system gladis is a global tool that contains low resolution information on the status of land and ecosystem resources and the processes acting on them. Gtap 8 land use and land cover data base the gtap 8 land use and land cover data base builds on global land cover and land use data bases, as well as global forestry data.
In addition, we will provide several new data layers not publicly available from the original srtm processing. Landuse and landcover changes affect local, regional, and global climate processes. Soil maps the soil maps below come in the form of zip files containing 1 or more tiles for each continent. Historical landcover change and landuse conversions global dataset landing page dataset landing page with general information and access links for the dataset. The aim of the project was to develop a service capable of delivering global composites and land cover maps using as input observations from the 300m meris sensor on board the envisat satellite mission. Global land cover is an essential climate variable and a key biophysical driver for earth system models. Glcshare was created by the land and water division of fao in partnership with and based on contributions from various institutions by a combination of best available high resolution national, regional andor subnational land cover databases. This website includes, among many excellent resources, links to often free data remote sensing imagery and products useful for monitoring. Nlcd land cover data is available now for use with probe 45 and ampro 2. Assessing their accuracy would be greatly facilitated by a global validation database of reference sites that allows for comparative assessments of uncertainty for multiple landcover data sets. The global vegetation monitoring unit carries out several activities related to land cover mapping and monitoring. This means in particular that the global land cover 2000 dataset is a main input dataset to define the boundaries between ecosystems such as forest, grassland, and cultivated systems. The united states geological survey usgs provides these data sets and associated maps as a part of its national mapping program.
Land use and land cover change national climate assessment. It is made available on a 250m by 250m grid database, which has been aggregated from the original vector data at 1. It has cultural and natural vector datasets in here too. We are pleased to announce the release of the global land cover lc products for the years 2016, 2017 and 2018 in the framework of the copernicus climate. How to download the latest land use land cover lulc data.
The corine land cover database provides a paneuropean inventory of biophysical land cover, using a 44class nomenclature. The resulting land cover analysis tool lcat allows users to quickly locate, display, and download data from the national land cover dataset nlcd, including the recently developed nlcd change product, which displays changes in land cover between 1992 and 2001. The following classifications are included in the glcc database. Usgs eros archive land cover products global land cover. The primary source data of this land cover mapping were 23period, 16day composite, 7band, 500m modis data of 2008. A fifteensecond global land cover dataset glcnmo2008 or glcnmo version 2 was produced by the authors in the global mapping project coordinated by the international steering committee for global mapping iscgm. From a combination of sources including satellite imagery and other remote sensing, ecological modeling, and country surveys, we adapt and synthesize. Global land use database sage has been developing global databases of land use and land cover by combining satellite data and census data. Comprehensive data set of global land cover change for. The datasets were assembled by inez fung, elaine matthews, and associates during 19841991. Global map still packs some serious punch with their free gis data. Global land cover 250m european environment agency. What is the best free land cover and land use data set.
Since the move, registration is no longer required. Land cover products use mda global land cover products when you need affordable, consistent and reliable data. Sites are shut down due to the end of a funding period, changes in technologies, or as a result of mission or personnel changes. In particular the gvm unit is coordinating and implementing the global land cover 2000 project glc 2000 in collaboration with a network of partners around the world. Historical landcover change and landuse conversions. Land use and land cover lulc the land use and land cover lulc data files describe the vegetation, water, natural surface, and cultural features on the land surface.
Even though land cover is familiar to everyone on the planet, the most detailed satellitebased maps of global land cover are still on the order of hundreds of meters per pixel. 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. The land cover datasets use a common format throughout, with the exception of the country codes dataset. Great set of links to almost all land cover datasets. Global land cover facility goes offline spatial reserves.
Global land cover datasets this page offers access to a number of datasets which describe land cover characteristics at 1. The overall goal is to produce flexible largearea land cover databases to meet evolving requirements of the earth science research community. The general objective is to provide for the year 2000 a harmonised land cover database over the whole globe. First standardised map of global land cover released. The global land covershare glcshare is a global land cover database with spatial resolution of 30 arcseconds 1 sq. The classification has evolved from version to version but. The global land cover characterization project was established to meet science data requirements identified by the international geosphere and biosphere programme igbp, and the u.
Land cover and land cover change information is used by resource managers, policy makers and scientists studying the global carbon cycle, biodiversity loss and land degradation. That means that a park in a city may be too small to show up on the global map, says peder nelson, a land cover scientist at. The avhrr source imagery dates from april 1992 through march 1993. It contains 33 mainland classes 35 including the offshore chatham islands. The modis land cover type product is a global land cover classification data layer produced annually from 2001 to till dec 2017. While remote sensing technology, particularly satellites, have played a key role in.
Harmonization of the various available land cover databases is based on the utilization of the land cover. For example, global land cover and percent tree cover are the two key datasets here. Land cover glcnmo global version data were developed by the secretariat of iscgm in collaboration with geospatial information authority of japan gsi, chiba university, and ngias of respective countries and regions. Gladis global land degradation information system beta. The historical land cover and land use data set consists of two files, and was developed to provide the global change community with historical land use estimates. The land cover characterization effort is part of the nasa earth observing system pathfinder program and the international geospherebiosphere programmedata and information system focus 1 activity. A global dataset of crowdsourced land cover and land use reference.
In keeping with the multiyear release of version 8, the land cover and land use database is updated to two base years. For additional information about the integration approach and the evaluations of the datasets, please see the associated journal article. Links here include most of the datasets below, and many more esoteric data such as river observations, aquifers data and. 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. Whether managing natural resources, monitoring the impacts of environmental policies or mitigating or preparing for environmental disasters, you need the most reliable global land use and land cover products available for informed decision making. Globcover is an esa initiative which began in 2005 in partnership with jrc, eea, fao, unep, gofcgold and igbp. Land cover maps represent spatial information on different types classes of physical coverage of the earths surface, e. Global land use, which is a fundamental driver of environmental. Most global land cover maps are based on medium to high. These data may be used as input for modeling global biogeochemical and hydrologic processes and global and regional climate. Global land cover eu science hub european commission.
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