Global land cover facility, university of maryland, college park, maryland 20742, usa. Online datasets may be accessed electronically through the earth science data. But most of the professionals are in sri lanka facing trouble to download and utilizing these images. The global vegetation monitoring unit carries out several activities related to land cover mapping and monitoring. The united states geological survey usgs provides these data sets and associated maps as a part of its national mapping program.
Global land cover facility glcf archives gis resources. Nasa earthdata is also an excellent source of global land use and cover. The landsat images are very useful to land cover analysis. Usgs eros archive land cover products global land cover. The university of marylands global land cover facility glcf offers thousands of landsat scenes and derived data products. Global land cover facility creates first highresolution. Global land cover facility goes offline spatial reserves. Global, landsatbased forestcover change from 1990 to 2000. 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. Share ideas and learn from the arcgis living atlas of the world community on geonet. How to download satellite images free via glcf the global. There are also many online resources for landsat science products. Free digital elevation model dem and free satellite data.
Mapping land use land cover change in the olomouc region, czech. As a result we have founded the global land cover facility building on multiple existing activities in earth system science and computer science. Jan 07, 2019 sites are shut down due to the end of a funding period, changes in technologies, or as a result of mission or personnel changes. Global land cover facility glcf global land cover facility glcf. Hello, i am looking for the data of glcf, however, the website has been shutted, can you tell how to download the data, thanks. 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. The datasets integrate multiple global remote sensingderived landcover products and provide consensus information on the prevalence of 12 landcover classes at 1km resolution. Global land cover facility amazon and central africa forest change products. In particular, the glcf develops and distributes remotely sensed satellite data and products that explain land cover from the local to global scales. Use 7zip or another compression program to open these files.
Global land cover facility large archive of select free landsat, modis, and aster data worldwide. National agriculture imagery program naip 1meter resolution imagery of the entire state of california acquired in 2005 and 2009. Glp members mairon bastos lima and martin persson published an indepth case study in frontiers in forests and global change of the cerrado working group, a multistakeholder initiative led by civil society and the soy agribusiness to address land use change in that savanna landscape in brazil. Global land cover facility modis data products at the global.
How to download satellite images free via glcf the global land cover facility. Lefrak hall, 7251 preinkert drive, college park, md 20742 phone. 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. Urban landcover change threatens biodiversity and affects ecosystem productivity through loss of habitat, biomass, and carbon storage. Global land cover facility university of maryland, nasa,gofc. Land cover is the physical material at the surface of the earth. Department of geographical sciences university of maryland, 2181 samuel j. However, despite projections that world urban populations will increase to nearly 5 billion by 2030, little is known about future locations, magnitudes, and rates of urban expansion. 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. In a new study published in the journal remote sensing of environment, the global land cover facility glcf in the university of maryland department of geographical sciences announced that it has produced the worlds first highresolution global map of 1990 forest cover and the first map of forestcover change from 1990 to 2000. In this video, i have included the steps required to download landsat image from the global land cover facilityglcf. Primary data and products available at the glcf are free to anyone via ftp. The global land cover facility glcf is sponsored by nasa programs, including eos, measures and lcluc, and the university of maryland. 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 umcp successfully competed for one of the nasafunded earth system information partnerships esip. Conservation policy and the measurement of forests nature. Heres a guide for how to download free landsat imagery from the usgs earth explorer to help you get. The best source of free satellite imagery on the web, and one of the best websites anywhere specializing in near global landsat tm, landsat etm, modis and other coverage. Jul 20, 2005 global land cover facility glcf university of maryland. The global land cover facility glcf geog geographical. Results from timeseries analysis of landsat images characterizing forest extent and change. In this exercise you will learn, how to download landsat satellite data. Jul 23, 2018 sites are shut down due to the end of a funding period, changes in technologies, or as a result of mission or personnel changes. Look for landsat, modis, aster, and srtm data here developed and hosted at the university of maryland. Im posting about the university of marylands global land cover facility, a massive archive terabytes and growing of various kinds of satellite imagery and derived data, even though i suspect many readers of this blog are already familiar with it. How to download satellite images free via glcf the. The glcf develops and distributes remotely sensed satellite data and products concerned with land cover from the local to global scales. Oct 17, 2014 how to download satellite images free via glcf the global land cover facility.
Sign up for the nature briefing newsletter what matters in science, free to. In some cases, user selections that are not yet in the electronicdistribution format must be scanned or otherwise processed before. 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. The global land cover facility glcf provides earth science data and products to help everyone to better understand global environmental systems. Global land cover facility glcf university of maryland. Global land cover facility provides global vegetation imagery from landsat, modis and avhrr.
How to download landsat8 imagery for free duration. For additional information about the integration approach and the evaluations of the datasets, please see the associated journal article. Land covers include grass, asphalt, trees, bare ground, water, etc. Most of the data is freely downloadable, accessible through a browserbased interface, and georeferenced for use in gis and satellite image. The usgs archive contains the most complete and wellmaintained collection of landsat data. Webgis free lulc data geographic information systems. The global land cover facility glcf provides earth science data and products to help everyone to better understand global environmental. The new interface allows users to immediately download global land survey gls 2010 and gls 2005 surface reflectance products.
Forest cover loss is defined as a standreplacement disturbance, or a change from a forest to nonforest state, during the period 20002018. 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 pilot project for routine global monitoring in ldcm era. This work is licensed under a creative commons attribution 4. The global forest cover and change maps will be made available for free download at the global land cover facility. Download aster global dem data from earth explorer duration. These findings will be important for inferring the efficacy of policies and for analyzing causal relationship between socioeconomic drivers and forest cover changes. Free satellite imagery and derived data from the glcf. Global forecasts of urban expansion to 2030 and direct. The usgs earth resources observation and science eros center. Mapping landuselandcover change in the olomouc region, czech.
This page offers access to a number of datasets which describe land cover characteristics at 1. 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. Global land cover glc information is fundamental for environmental change studies, land resource management, sustainable development, and many other societal benefits. Although glc data exists at spatial resolutions of 300 m and m, a 30 m resolution mapping approach is now a feasible option for the next generation of glc products. Choose data pool to access free current aster data for the us.
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. 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. The jrc coordinated and implemented the global land cover 2000 project glc 2000 in collaboration with a network of partners around the world. Download landsat imagery from global land cover facilityglcf. The global land cover facility glcf is an operational research and. Read the latest blogs about the arcgis living atlas of the world.
Sites are shut down due to the end of a funding period, changes in technologies, or as a result of mission or personnel changes. This is reflected particularly in some of its classes cropland, grassland, bare soil and mangroves. The global land analysis and discovery glad laboratory in the department of geographical sciences at the university of maryland investigates methods, causes and impacts of global land surface change. The global land cover facility provides earth science data and.
Earth cover is the expression used by ecologist frederick edward clements that has its closest modern equivalent being vegetation. 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. The datasets were assembled by inez fung, elaine matthews, and associates during 19841991. Funded primarily by nasa, glcf has been involved in numerous research projects encompassing the fields of remote sensing, geospatial ecology, and information systems. Global land cover classification, maryland university. Mar 21, 2015 the landsat images are very useful to land cover analysis. If your demand is not satisfied by free providers, you can try products of commercial companies. The avhrr source imagery dates from april 1992 through march 1993. The general objective is to provide for the year 2000 a harmonised land cover database over the whole globe. The global land cover facility glcf external link the university of. Furthermore, the global land cover 2000 land cover database has been chosen as a core dataset for the millennium ecosystems assessment. 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. In part, this expansion was achieved by scanning very large volumes of film images that were originally captured by aircraft and satelliteborne cameras. Noaa digital coast is a place to go for free satellite imagery of seashores.
Global land cover 250m european environment agency. In some cases, user selections that are not yet in the electronicdistribution format must be scanned or otherwise processed before they become available for free download. Download satellite images from global land cover facility. 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. Forest cover tree cover modis products 32dav comoosites 16dav veoetation index vcf. Sign up to receive updates on whats new from the arcgis living atlas of the world team. In general terms, the tectonic activity of central california is caused by the northwestward slide of the plate of rock underlying the pacific ocean against the plate underlying north america. The glcf develops and distributes remotely sensed satellite data and products concerned with land cover from the local to. Global land cover classification glcf africa lambert projection data files digital cartographic and satellite data archives from usgs. 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. Globcover is an esa initiative which began in 2005 in partnership with jrc, eea, fao, unep, gofcgold and igbp. 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. Trees are defined as vegetation taller than 5m in height and are expressed as a percentage per output grid cell as 2000 percent tree cover.
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