The datasets integrate multiple global remote sensingderived land cover products and provide consensus information on the prevalence of 12 land cover classes at 1km resolution. Jul, 2004 global land cover facility glcf the glcf develops and distributes remotely sensed satellite data and products concerned with land cover from the local to global scales. Mapping sense gis dataset global land survey digital. 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. For additional information about the integration approach and the evaluations of the datasets, please see the associated journal article.
Original article multirisk interpretation of natural hazards for settlements of the hatay province in the east mediterranean region, turkey using srtm dem. Mapping land use land cover change in the olomouc region, czech. The glcf is funded by nasas making earth system data records for use in research environments measures. Global land cover facility glcf university of maryland. I am doing a project on land use land cover mapping. Global land cover ja continuous fields tree cover, modis products. Provide free access to an integrated collection of critical land cover and earth science data through systems that are designed to maximize user. 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. It appears that the global 1arcsecond 30m srtm digital elevation model is now being made. Over 50 different global datasets are represented with daily, weekly, and monthly snapshots, and images are available in a variety of formats. The data were prepared by using modis data with remote sensing technology. Provide free access to an integrated collection of critical land cover and earth science data through systems that are designed to maximize user outreach and that promote development of novel tools for. Department of geographical sciences university of maryland, 2181 samuel j. Feb 19, 2019 in this video, i have clearly shown the steps required to download 30m and 90m resolution srtm digital elevation model data from opentopography.
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. How to download daily soil water index from copernicus global land. Global land cover facility modis data products at the. The shuttle radar topography mission srtm obtained elevation data on a nearglobal scale to generate the most complete highresolution digital topographic database of earth. How can i download srtm data of 30 m resolution for research in remote sensing. Thats the period for which the most recent estimates are available, says kip desch, manager of the deforestation mapping group at the university of marylands global land cover facility. Global land cover facility and b srtm 3 arcsecond digital elevation data source. Funded primarily by nasa, glcf has been involved in numerous research projects encompassing the fields of remote sensing, geospatial ecology, and information systems. The glcf is funded by nasas making earth system data records for. How to download satellite images free via glcf the global land cover facility. This data comes blue marble next generation, ciatcsi srtm v4, global land cover facility avhrr and arcgis, and is redistributed here in the proland internal format with the permission of ciatcsi and glcf no authorization is required to redistribute the blue marble data, and the world borders map from arcgis has a creative commons license. Usgs eros archive land cover products global land cover. You have benthic, elevation, imagery, land cover and socioeconomic data. Global land cover glc information is fundamental for environmental change studies, land resource management, sustainable development, and many other societal benefits.
Global land cover facility earth science data interface. Finer resolution observation and monitoring of global land cover is the first 30 m resolution global land cover maps in the world. Finer resolution observation and monitoring global land. The usgs archive contains the most complete and wellmaintained collection of landsat data. The global land cover facility glcf external link the university of. How to download satellite images free via glcf the global.
Global land cover re ional c global land cover months ago exclude global uire glcf. Shuttle radar topography mission national aeronautics and. In particular, the glcf develops and distributes remotely sensed satellite data and products that explain land cover from the local to global scales. Landsat tree cover data release nasas earth observing. It appears that the global 1arcsecond 30m srtm digital elevation model is now being made publicly available. 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. There are also many online resources for landsat science products. The global land cover facility glcf develops and distributes remotely sensed data and products concerned with land cover from the local to the global scales. Geographers long agreed that, while the amazon might be the worlds largest river by volume, the longest was likely the nile. Nasa has released version 2 of the shuttle radar topography mission digital topographic data also known as the finished version. Jul 20, 2005 global land cover facility glcf university of maryland. Apr 22, 2012 data download remote sensing dem srtm aster global land cover facility lp daac satelite imagery openstreetmap vector data esri shapefiles continentscountries europecountries geospatial data for romania vector data borders, county borders corine land cover 2000.
The global land cover facility glcf geog geographical. Oct 17, 2014 how to download satellite images free via glcf the global land cover facility. Multirisk interpretation of natural hazards for settlements. Reoional vcf tiles avhrr products global land cover re iona global land cover global continuous fields tree cover. Global land cover 250m european environment agency. Congress set aside funding to stimulate the use of remotely sensed imagery and products through the science data purchase sdp program. The shuttle radar topography mission srtm is an international research effort that obtained digital elevation models on a nearglobal scale from 56 s to 60 n, to generate the most complete highresolution digital topographic database of earth prior to the release of the aster gdem in 2009. As with any consideration of data portals, make sure you have done a. The global land cover facility glcf, based at the university of maryland, college park, is pleased to announce the release of the landsat tree cover continuous fields dataset. The application of airborne geophysical and satellite. Global land cover facility modis data products at the global.
Evaluation of the wetland mapping methods using landsat. How to download satellite images free via glcf the. Data holdings include landsat scenes, modis, aster, quickbird imagery high res and srtm dems. The global land cover facility glcf provides earth science data and products to help everyone to better understand global environmental systems. It appears that the global 1arcsecond 30m srtm digital elevation model. Download landsat imagery from global land cover facilityglcf. Global cloudfree, orthorectified landsat data sets centered on 1975, 1990, 2000, 2005, and 2010 partnership between usgs and nasa, in support of ccsp support global assessments of landcover, landcover change, and ecosystem dynamics disturbance, vegetation health, etc. The earth science data interface is the glcfs web application for searching, browsing, and downloading data from their online holdings.
Srtm was designed to collect threedimensional measurements of the earths surface using a radar instrument that flew aboard the space shuttle endeavour in february 2000. If you want to download srtm data, those data are available at the us geological surveys eros data center for download. The data set can be found on the global land cover facility glcf. This page is about the meanings of the acronymabbreviationshorthand glcf in the miscellaneous field in general and in the unclassified terminology in particular. The global land cover facility provides srtm data in the same projection and datum as the global landsat geocover imagery. Davenportmurchison range, northern territory, australia. First, there is no one single site to obtain landsat data, and second, the sites are in continual flux, with some such as the global land cover facility disappearing and some having recently been created. The data which is been used in this research was srtm cband dsms provided by global land cover facility glcf from earth science information partnership at the university of maryland 3. Download virginia county naip imagery mosaics from vgin. Oct 20, 2008 furthermore, the global land cover 2000 land cover database has been chosen as a core dataset for the millennium ecosystems assessment.
There is a lot of spatial data available on the internet, here you can find a lot of links to most important services in finland and internationally. Nasa earth observatory image by jesse allen, using elevation data from the shuttle radar topography mission srtm courtesy of the university of marylands global land cover facility. Shuttle radar topography mission national aeronautics. One of the earliest and most useful sites particularly for remotely sensed imagery recently went offlinethe global land cover facility from the university of maryland. Originally it was funded under nasas earth science information. Global land cover facility university of maryland, nasa,gofc.
This provides really fast download unlike some other ftp sites global land cover facility especially comming from europe 5mbs. Open gis data services for research csc company site. 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 effect of millennia of shifting ground on the island is readily apparent in this elevation image, created using data from the shuttle radar topography mission srtm. Jun 22, 2009 the global land cover facility has exchanged spatial data and software with the delorme company, a leading mapping and spatial technologies company located in yarmouth, maine. Earth science data interface windows internet explorer. How to download 30m and 90m resolution srtm digital elevation. The most recent attempt to address the problem uses the shuttle radar topography mission srtm data set to create the srtm water body data set swbd 2005. Gist this is us aids geodata repository and you can find some very useful data sets here you need to create an account here its free, but then you have access. Users should be aware that these data are intended for use with a geographic information system gis or other special application software, and are not.
The new interface allows users to immediately download global land survey gls 2010 and gls 2005 surface reflectance products. If youre interested in images and visualizations created from srtm data, go to the image product description page. As a result we have founded the global land cover facility building on multiple existing activities in earth system science and computer science. The global land cover facility umcp successfully competed for one of the nasafunded earth system information partnerships esip. Global land cover facility university of maryland, nasa,gofc gold. The global land cover facility provides earth science data and products to help everyone better understand global environmental systems.
Here are the most important archives and other useful data. The glcf develops and distributes remotely sensed satellite data and products concerned with land cover from the local to global scales. The global land cover facility provides earth science data and. A new global raster water mask at 250 m resolution.
Tiles srtm wrs2 tiles srtm gtop030 srtm gtop030 mosaic landsat produces forest cover tree cover modis products 320as, comoosites 16dav veaetation index vcf. Nasa image by jesse allen and robert simmon, using earthquake and plate tectonics data from the usgs earthquake hazard program, elevation data from the shuttle radar topography mission srtm courtesy of the university of marylands global land cover facility, and ocean bathymetry data from the national oceanic and atmospheric administrations noaa etopo1 global relief model of earths. Landsat tree cover data release nasas earth observing system. The global land cover facility glcf at the university of maryland, college park houses shuttle radar topography mission srtm data. Glcf provided delorme with landsat geocover imagery covering much of the world. The university of marylands global land cover facility, one of the worlds largest suppliers of free online satellite data, now distributes userready editions of land surface topography data from nasas shuttle radar topography mission srtm. Provides access to landsat, aster, modis, avhrr and srtm products.
Globcover is an esa initiative which began in 2005 in partnership with jrc, eea, fao, unep, gofcgold and igbp. Data download remote sensing dem srtm aster global land cover facility lp daac satelite imagery openstreetmap vector data esri shapefiles continentscountries europecountries geospatial data for romania vector data borders, county borders corine land cover 2000. The datasets integrate multiple global remote sensingderived landcover products and provide consensus information on the prevalence of 12 landcover classes at 1km resolution. You get a range of free satellite imagery to choose from such as radar, infrared and true color composites.
Landsat tm, etm, mss, ali, aster, elevation data srtm, modis image products, avhrr products, and other products. The shuttle radar topography mission srtm obtained elevation data on a nearglobal scale to generate the most complete highresolution digital. If you want to download srtm data, those data are available at the us. Sorry for the long answer to a rather simple procedure but as i write this i am actually downloading aster. Srtmdem available through the global land cover facility glcf. The 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. Lefrak hall, 7251 preinkert drive, college park, md 20742 phone. Use 7zip or another compression program to open these files. Nasa image by jesse allen and robert simmon, using earthquake and plate tectonics data from the usgs earthquake hazard program, elevation data from the shuttle radar topography mission srtm courtesy of the university of marylands global land cover facility, and ocean bathymetry data from the national oceanic and atmospheric administrations noaa etopo1. 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 global land survey digital elevation model glsdem is a spatial data collection crucial to new global imagery products from nasa and the usgs. A substantial portion of the global land surface between 60 northern and 58 southern latitude was covered. Gls 2000 surface reflectance products will be available. The earth science data interface esdi at the global land cover facility university of marylandus provides free access to strm data, and as a bonus you can download landsat images already aligned to strm tiles. Their notice said, the glcf has had a very good run since 1997. Welcome to nasa earth observations, where you can browse and download imagery of satellite data from nasas earth observing system. As the orbit flown and imaging period of the srtm mission had been optimized for the us cband system, the germanitalian xsar with narrower aperture angle imaged data only along roughly 50 km wide orbital ground traces. Funded primarily by nasa, glcf has been involved in numerous research projects encompassing the fields of remote sensing, geospatial ecology, and. The shuttle radar topography mission srtm obtained elevation data on a near global scale to generate the most complete highresolution digital. Download landsat imagery from global land cover facility. The mission of the glcf is to encourage and expand the use of remotely sensed imagery, derived products and applications in a manner that improves comprehension of the nature and causes.