This data is currently distributed free of charge by usgs and is available for download from the national map seamless data distribution system, or the usgs. Download srtm 30m digital elevation models for free. It appears that the global 1arcsecond 30m srtm digital elevation model is now being made publicly available. Meyervalidation of the aster global digital elevation model version 3 over the.
The srtm 90m dems have a resolution of 90m at the equator, and are provided in mosaiced 5 deg x 5 deg tiles for easy download and use. Cgiarcsi at the africagis 2019 conference in kigali, rwanda. Vertical accuracy assessment for srtm and aster digital. The process was performed 3 times inn order to eliminate all voids. This was achieved by filling the voids with elevation data primarily from the aster gdem2 global digital elevation model version 2 and secondarily from the usgs gmted2010 elevation model or the usgs national elevation dataset ned. If you want to download srtm data, those data are available at the us geological surveys eros data center for download. Arranged in tiles that are 1 degree latitude by 1 degree longitude, shuttle radar topography mission srtm data was acquired over a 11day mission in february 2000. Learn how easy it is to search and download freely available shuttle radar topographic mission srtm dems, that were collected in february 2000 in a special joint mission onboard sts99, using x. Shuttle radar topography mission srtm data have been enhanced to fill areas of missing data void filled to provide more complete digital elevation data with a resolution of 1 arcsecond 30 meters and 3 arcseconds 90 meters for global coverage. The image at left has data samples spaced every 90 meters 295 feet. Opendem the portal for sharing free digital elevation models and xyz height datasets download srtm data the data could be downloaded under the open database license.
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 directly viewable in a browser. The collections are located under the digital elevation category below the srtm subcategory. Nasa shuttle radar topography mission v3 global 1 arc second hillshade image of the mt everest regionthe land processes distributed active archive center recently released additional tiles in the nasa srtm version 3. Derek watkins has created a simple and easy to use interface for downloading 30meter srtm data. This collaboration aims to generate a nearglobal digital elevation model dem of earth using radar interferometry. This srtm v3 product srtm plus is provided by nasa jpl at a resolution of 1 arcsecond approximately 30m. Query and order satellite images, aerial photographs, and cartographic products through the u. As stated on the nasa jpl official page, the next release is planned for later in 2014, and it is expected to include all of south america plus north. Lembaga seperti usgs, nasa dan ministry of economy, trade and industry of japan meti secara aktif melakukan pengambilan data dem melalui teknologi satelit. There is a new, 30 meters resolution srtm dtm coming out. Users can display the footprint and thumbnail of one or more products, view metadata, directly download the file or add to a cart. Srtm was the primary and virtually only payload on the sts99 mission of the space shuttle endeavour, which launched february 11, 2000 and.
This tutorial will discuss how to download srtm elevation data directly in qgis using srtm downloader plugin. Digital elevation models dem for the entire globe, covering all of the countries of the world, are available for download on this site. You may also access srtm 90m dem data from this link. Agency, or nima, as well as the participation of the german and italian space agencies, to generate a nearglobal digital elevation model dem.
Voidfilled srtm plus released srtm nasa v3 nasa has released a voidfilled version of the shuttle radar topography mission digital elevation model, known as srtm plus or srtm nasa version 3. Opentopography shuttle radar topography mission srtm. Under the data sets tab, select digital elevation srtm srtm 1arcsecond global. The glcf is also a convenient way to browse and download srtm data. Which dem data is better for elevation mapping, aster or srtm satellite data. Where can i get recent free dem data other than usgs data. I read about the new version of the digital elevation model at 30 meters srtm 30 meters, but i can not find from were i can download it. Nasa shuttle radar topography mission global 30 arc second. Srtm dem data is being housed on the usgs earth explorer.
Shuttle radar topography mission srtm nonvoid filled north of juneau. Download 30meter srtm data easily with this point and. The shuttle radar topography mission srtm obtained elevation data on a nearglobal scale to generate the most complete highresolution digital topographic database of earth. Srtm consisted of a specially modified radar system that flew onboard the space shuttle endeavour during an 11day mission in february of 2000. Please subscribe to the lp daac listserv for updates on all the tools from the lp daac. Aster gdem boasted a global resolution of 90 meters with a resolution of. Srtm data was used to update the older usgs gtopo30 global dem. Cgiar consortium for spatial information cgiarcsi is the geospatial science community of practice that facilitates cgiars use of geospatial data and analysis in research. I would like to add that the srtm dem is originally 90m 3 arc sec data. The shuttle radar topography mission srtm, see farr et al. How can i download srtm data of 30 m resolution for research in remote sensing. All are produced from a seamless dataset to allow easy mosaicing. Usgs earth resources observation and science eros center archive spans from 1937 aerial photographs to millions of satellite images of the earths surface, starting with the original earth orbits in the 1960s and first landsat satellite in 1972, to our current hourly additions of satellite images.
Click on the srtm30 tile to download the digital elevation map dem from the place you select. This interface attempts to ease the pain of downloading 30meter resolution elevation data from the shuttle radar topography mission click on yellow tiles to download their corresponding data tiles come as zipped srtmhgt files at 1arcsecond resolution 3601x3601 pixels in a latitudelongitude projection, downloaded from nasa servers. Our objective is to provide the scientific and civil communities with a stateoftheart global digital elevation model dem derived from a combination of shuttle radar topography mission srtm processing improvements, elevation control, voidfilling and merging with data unavailable at the time of the original srtm production. Which dem data is better for elevation mapping, aster or.
Digital elevation shuttle radar topography mission srtm usgs. The new data are available for download from the usgs eros data center. The srtm digital elevation data, produced by nasa originally, is a major. Download data srtm 3 arc second 30 meter citrasatelit. Seperti kita ketahui, data srtmdem sangat dibutuhkan untuk membuat peta dasar atau peta topografi. Radar topography mission digital elevation model, known as srtm. Simplifying soil data management in subsaharan africa. Srtm elevation data is an effort to provide digital elevation model dem at global scope with highest resolution 30 m. Documentation for the shuttle radar topography mission srtm water body data files the srtm water body data files are a byproduct of the data editing performed by the national geospatialintelligence agency nga to produce the finished srtm digital terrain elevation data level 2 dted 2. 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. The original raw open data from us geological survey srtm 1arc, nasa and meti aster gdem and european union eudem has been modified, adapted and overlaid to fill the gaps and provide a. Video ini berisi tata tacatutorial bagaimana caranya mendownload data srtmdem dari situs usgs.
Digital elevation model dem is a raster image that holds z values, it is used widely during the analysis process where surface height value are important. Srtm digital elevation data 30m earth engine data catalog. The srtm 90m dems have a resolution of 90m at the equator, and are. Documentation for the shuttle radar topography mission. Download data topography dalam bentuk model elevasi digital dem sudah menjadi keharusan.
The usgs earth explorer gives a quick and intuitive way to download free aerial and satellite imagery. The global data explorer gdex tool has been retired. Sejak september 2014, gabungan antara nasa, nga dan usgs berbaik hati melaunching produk data ketinggian be. Any download policies of the respective mirrors apply. The cgiarcsi geoportal is able to provide srtm 90m digital elevation data for. These seamless dems were referred to as the national elevation dataset ned from about 2000 through 2015 at which time they became the seamless dem layers. Nasa shuttle radar topography mission srtm version 3. The shuttle radar topography mission srtm obtained 90 meter 3 arcsecond. Shuttle radar topography mission srtm mungkin adalah misi yang menjadi tonggak tersedianya data dem yang gratis dengan resolusi yang. Srtm 90m digital elevation data from the chiar consortium for spatial information. You can download the aster dem data for free from the usgs earth explorer. The srtm 90m dems have a resolution of 90m at the equator, and are provided. Srtm 90m 3 arcsecond elevation can be browsed and downloaded from the usgs. The dem represents ground surface topography, and excludes vegetation features.
Users are encouraged to use the application for extracting and exploring analysis ready samples appeears web platform as alternatives for transforming and working with aster gdem data. These voids were filled by a 33 matrix with the mean value zero values were ignored. Digital elevation model version 2 and secondarily from the usgs. The srtm 90m dem s have a resolution of 90m at the equator, and are provided in mosaiced 5 deg x 5 deg tiles for easy download and use. Dems have a resolution of 90m at the equator, and are provided in mosaiced 5. The data is published for download here, but its sliced into thousands of small files, and i dont see an ftp option for more efficient downloading. This coincides with the newly processed areas released by the united states geological survey. Vertical accuracy assessment for srtm and aster digital elevation models. As everybody is aware that z or elevation values are expensive to obtain, so i have listed few places on internet where you can download the world dem data for free. But heres a usgs earth explorer download guide to help you get started. The onemeter dem is the highest resolution standard dem offered in the 3dep product suite. Usually the srtm data can be downloaded from usgs earth explorer or nasa earth data server. This data is currently distributed free of charge by usgs and is available for download from the national map seamless data distribution system, or the usgs ftp site.
Srtm 90m digital elevation database cgiar platform for. Download digital elevation model dem srtm 90m seluruh dunia mudah dan gratis. Other 3dep products are nationally seamless dems in resolutions of, 1, and 2 arc seconds. Shuttle radar topography mission produces a wealth of data. Elevation data provides height above the sea level in meters for every single place in the world, measured for regions of approximately 30x30 meters. The nasa shuttle radar topographic mission has provided digital elevation data dems for over 80% of the globe.