Sites are shut down due to the end of a funding period, changes in technologies, or as a result of mission or personnel changes. Provided for free download at the global land cover facility glcf website. One of the earliest and most useful sites particularly for remotely sensed imagery recently went offlinethe global. The global land cover facility glcf of the university of maryland in college park, maryland has landsat data available for download via ftp. Purchase, and includes orthorectified landsat imagery for all land surfaces in three editions.
Global land cover facility university of maryland, nasa,gofc. The global land cover facility glcf provides earth science data and products to help everyone to better understand global environmental systems. About these data describe land cover type, and are based on 10 years 20012010 of collection 5. Search for specific landsat images based on area of interest, acquisition. Landsat 5 and landsat 7 satellite thematic mapper links. Jul, 2004 the glcf develops and distributes remotely sensed satellite data and products concerned with land cover from the local to global scales. The landsat vegetation continuous fields vcf tree cover layers contain estimates of the percentage of horizontal ground in each 30m pixel covered by woody vegetation greater than 5 meters in height. Landsat has also helped to assess damage from natural disasters such as fires, floods, and tsunamis, and subsequently, plan disaster relief and. Technical guide glcf university of maryland landsat imagery is relatively high resolution earth observation data that is acquired through sensors on one of the nasa landsat satellites.
Landsat tree cover data release nasas earth observing system. As planners grapple with significant environmental issues related to stormwater runoff and climate change in the future, the university of maryland researchers think a satellitebased. University of maryland to derive a variety of products that are made available to the public through the global land cover facility. This gallery includes all landsat images published on the earth observatory, visible earth, and landsat science web sites from all seven landsat satellites landsats 18, landsat 6 failed to achieve orbit. Global land cover facility goes offline spatial reserves. Download at least one band of landsat image data from glovis or click and pick and save it to your day 2 folder. The glcf archive includes all of the landsat geocover data, therefore, the archive contains at least one image from any where in the world within landsat coverage boundaries, except for. May 19, 2020 the landsat satellite record stretches from 1972 to the present. 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. Make sure to fill out the type of landsat imagery you need, to the top left. Global land cover facility glcf university of maryland. University of maryland institute for advanced computer studies. Query and order satellite images, aerial photographs, and cartographic products through the u.
Landsat data have been used to monitor water quality, glacier recession, sea ice movement, invasive species encroachment, coral reef health, land use change, deforestation rates and population growth. The national land cover database nlcd provides nationwide data on land cover and land cover change at the landsat thematic mapper tm 30meter resolution. Last year, we wrote about the landsat thematic bands web mapping application, an easytouse but powerful teaching and research tool and data set. Jan 07, 2019 the data and services provided by glcf are now mostly available via government agencies, especially usgs and nasa. Free satellite imagery and derived data from the glcf.
Most of the data is freely downloadable, accessible through a browserbased interface, and georeferenced for use in gis and satellite image. Previous versions of tcc were derived using the landsat global land survey. Global, 30m resolution continuous fields of tree cover. The global land cover facility glcf geog geographical. If you are going to performing analysis on the landsat data, the level 1 geotiff data product is probably the one youre after, which will be the largest file size. This data is perfect input for alphapixels pixelsense product.
For the time being, the glcf data are still on a nographics ftp site, here. This is a naturalcolor image made using red, blue, and green wavelengths tm bands 3, 2, and 1. University of maryland global land cover facility glcf web site this web site allows you to search for, request and download landsat thematic mapper tm and enhanced thematic mapper etm imagery bands for almost anywhere on planet earth, free of charge. The university of marylands global land cover facility glcf offers thousands of landsat scenes and derived data products. The global land cover facility glcf university of maryland. Funded primarily by nasa, glcf has been involved in numerous research projects encompassing the fields of remote sensing, geospatial ecology, and information systems. Look for landsat, modis, aster, and srtm data here developed and hosted at the university of maryland. The usgs archive contains the most complete and wellmaintained collection of landsat data. The landsat satellite record stretches from 1972 to the present.
The glcf provides access to all geocover imagery via ftp free to the world. University of maryland institute for advanced computer studies addressing challenges in deep neural networks furong huang is applying classical machine learning algorithms to solve problems with modern deep neural networks. This was successful some time ago, maybe they have data in different formats. Jul 20, 2005 the glcf develops and distributes remotely sensed satellite data and products concerned with land cover from the local to global scales. It is a web mapping application with global coverage, with mapping services updated daily with new landsat 8 scenes and access to selected bands that allows the user to visualize agriculture, rock formations, vegetation health, and more. The global land cover facility glcf is sponsored by nasa programs, including eos, measures and lcluc, and the university of maryland. While this not an ftp interface, it will be quite easy to batch download in a scripting language. Their notice said, the glcf has had a very good run since 1997. The only request in return is that the user acknowledge the glcf as source of the dataset in any publication or presentation.
The landsatlook viewer is a prototype tool that was developed to allow rapid online viewing and access to the usgs landsat image archives. 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. 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. There is a standard directory structure and the data can be accessed via an or through the aws commandline interface. Cities, rivers, lakes, mountains and other features shown in this image include. Global characterization and monitoring of forest cover. On july 23, 1972 the earth resources technology satellite was launched. In particular, the glcf develops and distributes remotely sensed satellite data.
First launched in 1972, the landsat satellite series constitutes one of the longest continuous records in earth observation. Geological survey usgs that will continue the landsat programs critical role of repeat global observations for monitoring, understanding, and managing earths natural resources. Amazon and central africa forest change products data. Burned areas in russia gallery university of maryland.
Global land cover facility modis data products at the. Landsat tree cover data release nasas earth observing. Data holdings include landsat scenes, modis, aster, quickbird imagery high res and srtm dems. I always reply to the buyer that i do not cater to download landsat satellite imagery, because it can do on their own. Locate a feature of interest, set a scale, and measure the feature. The most recent, landsat 8, was launched on february 11, 20. The glcf archive includes all of the landsat geocover data, therefore, the archive contains at least one image from any where in the world within landsat coverage boundaries, except for antarctica. Earth observation imagery are the primary data source and land cover extent and change the.
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 glcf external link the university of maryland s global land cover facility glcf offers thousands of landsat scenes and derived data. The satellite sensors acquire high integrity images of the planet surface in a systematic fashion. The landsat data retained the saturation artifact of the modis vcf at greater than or equal to 80% tree cover but showed greater potential for removal of errors through calibration to lidar, with postcalibration rmse of 9. The glcf is funded by nasas making earth system data records for use in research environments measures. The instruments on the landsat satellites have acquired millions of images. Since 1972, landsat data have provided a unique resource. Share and discuss page and post a screen shot of the image, demonstrating that you can download a landsat image. One advantage of this site is that it provides data for all. The usgs earth explorer gives a quick and intuitive way to download free aerial and satellite imagery.
I always reply to the buyer that i do not cater to download landsat satellite. Landsat global inland water the global inland water dataset shows inland surface water bodies, including fresh and saline lakes, rivers, and reservoirs. The landsat program is the longestrunning enterprise for acquisition of satellite imagery of earth. The global inland water dataset shows inland surface water bodies, including fresh and saline lakes, rivers, and reservoirs. This fabulous resource is a must visit for anyone seeking small scale global coverage for large areas. Landsat global inland water earth engine data catalog. Vegetation is green, grey areas are exposed rock or concrete structures, permanent snow is white, while much of the exposed ground is barren and brown. Interactively explore the landsat archive at up to full resolution directly from a common web browser. To expand on the last note above, what should you, the gis user who loves imagery, do.
Free geographic information system gis data for maryland this service is for gis professionals to accompany our imagery offerings. There are also many online resources for landsat science products. This image was acquired by landsat 5s thematic mapper tm sensor on december 26, 1999. You must have the appropriate gis software and experience in order to utilize this data. Funded primarily by nasa, glcf has been involved in numerous research projects. Frank, i am currently trying to read in landsat 7 from glcf maryland. This is a landsat geocover 2000 satellite image map of maryland. The map is generated by choosing, for each pixel, the land cover classification with the highest overall confidence from 20012010, as described in broxton et al.
The 500m 32day composites available from glcf were derived from the modis l3 surface reflectance product mod09a1. The glcf develops and distributes remotely sensed satellite data and products concerned with land cover from the local to global scales. The data is available for download via ftp and earth science data interface. The researchers hope the two studies make it clear that satellite programs such as landsat can be used to reliably map the history of urban development. Landsat tree cover data release submitted by heather hanson on tue, 20702 14. Nlcd provides spatial reference and descriptive data for characteristics of the land surface such as thematic class e.
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