A .gov website belongs to an official government organization in the A .gov website belongs to an official government organization in the However, the utility of these maps for specific applications has often been hampered due to considerable amounts of uncertainties and inconsistencies.
GlobCover is a European Space Agency initiative to develop a global composites and land cover maps using as input observations from the 300m MERIS sensor on board the ENVISAT satellite mission. SD Click on a pin on the map to see more information. The project was implemented by the United States Geological Survey/EROS Data Center (EDC), the University of Nebraska-Lincoln (UNL), and the Joint Research (JRC) of European Commission. ) or https:// means you’ve safely connected to the .gov website. Funding for the project was provided by the USGS, NASA, the U.S. Environmental Protection Agency (EPA), National Oceanic and Atmospheric Administration (NOAA), U.S. Forest Service (USFS) , and the United Nations Environment Programme. Global Land Cover Characterization (GLCC) is a series of global land cover classification datasets that are based primarily on the unsupervised classification of 1-km AVHRR (Advanced Very High Resolution Radiometer) 10-day NDVI (Normalized Difference Vegetation Index ) composites. Many of the users of the land cover data set have provided feedback (that is, suggestions for additions and improvements). A comparison of the classification schemes showed that there are many inconsistencies between the definitions of the map classes. EROS Center Field Definition: The classification name of the land cover.
Below are data or web applications associated with this product. Each of these collections were created using the primary Landsat sensor in use at the time for each collection epoch. Land Cover Projects. In order to provide flexibility for a variety of applications, a core set of derived thematic maps produced through the aggregation of seasonal land cover regions are included in each continental database. The U.S. Geological Survey (USGS), the University of Nebraska-Lincoln (UNL), and the European Commission's Joint Research Centre (JRC) have generated a 1-km resolution global land cover characteristics data base for use in a wide range of environmental research and modeling applications. There are now two versions of the Global Land Cover Chacteristics database available. Accurate and up-to-date global land cover data sets are necessary for various global change research studies including climate change, biodiversity conservation, ecosystem assessment, and environmental modeling. The overall goal is to produce flexible large-area land cover databases to meet evolving requirements of the earth science research community. Online, Fees: We do not provide the software necessary to view or analyze these data. EE supports the searching of satellite, aircraft, and other remote sensing inventories through interactive and textual-based query capabilities. No data point selected.
This data center does not have any contact mechanisms listed. That information is found in the documentation. Geographic Names Information System (GNIS), Mapping, Remote Sensing, and Geospatial Data, Earth Resources Observation and Science (EROS) Center, Global 30 Arc Second Elevation Data Set readme, Global Land Cover Characterization (GLCC), USGS EROS Archive - Land Cover Products - Global Land Cover Characterization (GLCC), USGS EROS Archive - Digital Elevation - Global 30 Arc-Second Elevation (GTOPO30), Prepare an ascii file, named filename.hdr.
EE supports the searching of satellite, aircraft, and other remote sensing inventories through interactive and textual-based query capabilities. The data base has been adopted by the International Geosphere-Biosphere Programme Data and Information System office (IGBP-DIS) to fill its requirement for a global 1-km land cover data set. Users can conveniently use the findings in the areas of agreement, whereas users might need to verify the informaiton in the areas of disagreement with the help of secondary information. An official website of the United States government. 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. S. Global Change Research Program. LockA locked padlock https://www.nature.com/articles/s41597-019-0282-4, https://www.nature.com/articles/s41597-019-0282-4, Purchase the map, SWAT lookup table, and SWAT2012.mdb. This is especially true for the mixed type classes for which thresholds vary for the attributes/discriminators used in the classification process. The identified areas of spatial agreement and disagreement will be useful for both data producers and users. All data used or generated during the course of the project (source, interpretations, attributes, and derived data), unless protected by copyrights or trade secret agreements, are distributed through the Earth Resources Observation & Science (EROS). For more information visit GLAD website Citation. The U.S. Geological Survey (USGS), the University of Nebraska-Lincoln (UNL), and the European Commission's Joint Research Centre (JRC) have generated a 1-km resolution global land cover characteristics data base for use in a wide range of environmental research and modeling applications. Version 1.2 was produced as an International Geosphere Biosphere Programme-Data and Information System (IGBP-DIS) initiative lead by the Land Cover Working Group and has been subjected to a formal accuracy assessment (the IGBP DISCover classification).
The file should look something like the following example .hdr file, except the number rows and columns and the x and y coordinates will vary according to the image data. Toggle Archive And Distribution Information, http://mercury.ornl.gov/clearinghouse/send/xsltText2?fileURL=d:\mercury_instances\usgs\ma\harvested\www.nbii.gov_metadata_mdata_Millennium_nbii_wdc_ma_d_GLCCD.xml&full_datasource=Millennium%20Assessment&full_queryString=%20text%20:%20Global%20text%20:%20Land%20text%20:%20Cover%20text%20:%20Characterization%20text%20:%20Program&ds_id=, http://lpdaac.usgs.gov/glcc/globdoc1_2.asp, Not provided, FIELD SURVEYS, DEM, MAPS, LANDSAT, FIELD INVESTIGATION. Global Land Cover Characterization Program - Links. A lock ( Share sensitive information only on official, secure websites. 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. S. Global Change Research Program. Global Land Cover Characteristics (GLCC) FAQ's Back to Products Overview The land cover data are provided in a generic image array format (flat, headerless, binary raster data) to maximize the flexibility for importing into a variety of software systems. 1-km multispectral data from the NOAA satellite series. Values: 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 This effort is part of the National Aeronautic's and Space Administration (NASA) Earth Observing System Pathfinder Program. , Those image parameters can be found in the documentation for each of the continental data bases. Global Land Cover Characterization (GLCC) Background. All continental databases share the same map projections (Interrupted Goode Homolosine and Lambert Azimuthal Equal Area), have 1-km nominal spatial resolution, and are based on 1-km Advanced Very High Resolution Radiometer (AVHRR) data spanning April 1992 through March 1993.
Yet, we are far from producing geospatially consistent high-quality data at an operational level. In recent years, substantial advancement has been achieved in generating such data products. Query and order satellite images, aerial photographs, and cartographic products through the U.S. Geological Survey. The data base has been adopted by the International Geosphere-Biosphere Programme Data and Information System office (IGBP-DIS) to fill its requirement for a global 1-km land cover data set. The collections are located under the Land Cover Products data set. The procedure for importing these raster image files into ArcInfo is as follows 1: nows - 2889ncols – 4587nbands – 1nbits – 8layout – bsqskipbytes – 0ulxmap - -987549.963ulymap – 600868.288xdim – 1000ydim - 1000. Associated files include: “Lookup_Landuse_Globcover.txt”, and “SWAT2012.mdb”. Since this version was released, over 200 gigabytes of land cover data have been distributed from the EROS anonymous ftp site. Data producers may use the areas of spatial agreement for training area selection and pay special attention to areas of disagreement for further improvement in future land cover characterization and mapping. 1 This is not an endorsement of the ArcInfo software. This work is licensed under a Creative Commons Attribution 4.0 International License. NASA Goddard Space Flight Center Use PROJECTDEFINE to attach the appropriate projection information to the grid. The EarthExplorer (EE) user interface is an online search, discovery, and ordering tool developed by the United States Geological Survey (USGS). Each database contains unique elements based on the geographic aspects of the specific continent. Use the IMAGEGRID command to create a grid file from the image data. Learning from past experience and building on the existing infrastructure (e.g., regional networks), further research is necessary to (1) reduce ambiguity in land cover definitions, (2) increase availability of improved spatial, spectral, radiometric, and geometric resolution satellite data, and (3) develop advanced classification algorithms.
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