Mapping the earth the shuttle radar topography mission. 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. 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. The dem represents ground surface topography, and excludes vegetation features. The data was released continent by continent, as and when the data was processed by nasa and the usgs. Srtm plus uses srtm version 2 see below where the radar interferometric method was successful not void. Usgs eros archive digital elevation interferometry and. The nearglobal topographic maps of earth called digital elevation models dems are made from the cband radar data. The srtm data were collected during an 11day mission in february of. For manual bulk downloads, a geojson indexing dem file names lives here. The srtm data were collected during an 11day mission in february of 2000.
Video ini berisi tata tacatutorial bagaimana caranya mendownload data srtmdem dari situs usgs. For geographic context, this site is located at almost the exact center of jpl photojournal image. Download 30meter srtm data easily with this point and. Free for all nearglobal 30meter srtm elevation data. Srtm elevation data of the earths land surface are available with data points posted every 1 arc second for global coverage.
Until my next edition of the free for all, happy hunting for free geospatial goodies. Elevation data provides height above the sea level in meters for every single place in the world, measured for regions of approximately 30x30 meters. Vertical accuracy assessment for srtm and aster digital. Digital elevation models dem for the entire globe, covering all of the countries of the world, are available for download on this site. This data is provided in an effort to promote the use of geospatial science and applications for sustainable development and resource conservation in the developing world. April 29, 2020 this is a tiled collection of the 3d elevation program 3dep and is one meter resolution. Download srtm 30m digital elevation models for free youtube. Dec 03, 2014 getting started with srtm elevation data. Where could i get a free global srtm digital elevation data shapefile.
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. These files have been processed to fill data voids and there is a corresponding kmz file which contains a 90meter index for growing srtm data. Srtm data, in hgt format, can be downloaded from here, but for some mountain and desert. 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.
Gdem2 global digital elevation model version 2 and secondarily from the. Sep 24, 2014 srtmdatasets shuttle radar topographic mission are activ remote sensing data, obtained during an eleven days long shuttle flight of space shuttle endevour driven by nasa, dlr and others. On september 23, 2014, the white house announced that the highestresolution topographic data generated from nasas shuttle radar topography mission srtm in 2000 was to be released globally by late 2015. Andrew jarvis of the ciat land use project, in collaboration with h. The data originate in the nasa shuttle radar topographic mission srtm data held at the national map seamless data. It is the current dataset of choice for digital elevation model dem data since it has a fairly high resolution 1 arcsecond, or around 25 meters, has nearglobal coverage from 56s to 60n, and is in the public domain.
Mar 01, 2019 global geographic elevation data made easy. Nasa has released a voidfilled version of the shuttle radar topography mission digital elevation model, known as srtm plus or srtm nasa version 3. Seperti kita ketahui, data srtm dem sangat dibutuhkan untuk membuat peta dasar atau peta topografi. Apr 29, 2020 1 meter digital elevation models dems usgs national map 3dep downloadable data collection metadata updated. 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. For a description of the project, see the nasajpl srtm site. This data represents the 30 meters digital elevation model dem from shuttle radar topography mission srtm. Download 30meter srtm data easily with this point and click. Shuttle radar topography mission data were used to generate digital elevation data with a resolution of 1 arcsecond for the united states and 3 arcseconds for global coverage. 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. The shuttle radar topography mission srtm wikipedia article is a nasa mission conducted in 2000 to obtain elevation data for most of the world. During this time the shuttle had a flying attitude of 233km, sending 1700microwave impulses per second.
Free satellite data, satellite imagery, digital elevation models dems, topographic maps and free software links. Elimination of the voids in the nasa srtm dem was the primary goal of a. Srtm global digital elevation model south east, one of six data sets represents an elevation map between 60 degrees north and 56 degrees south latitude of the world from the nasanga shuttle radar topography mission srtm data sets from the u. The ministry of economy, trade, and industry meti of japan and the united states national aeronautics and space administration nasa jointly announced the release of the advanced spaceborne thermal emission and reflection radiometer aster global digital elevation model version 3 gdem 003, and the aster water body dataset astwbd on. The shuttle radar topography mission srtm is an international research effort that obtained digital elevation models on a nearglobal scale from 56s to 60n, to generate the most complete highresolution digital topographic database of earth prior to the release of the aster gdem in 2009. It appears that the global 1arcsecond 30m srtm digital elevation model is now being made publicly available through, for example, the united states. We would like to show you a description here but the site wont allow us. Also, it covers most of the world with absolute vertical height accuracy of less than 16m. The shuttle radar topography mission srtm obtained elevation data on a nearglobal scale to generate the most complete highresolution digital topographic database of earth. Guevara to fill in data voids and produce a seamless mosaic. Seperti kita ketahui, data srtmdem sangat dibutuhkan untuk. Srtm elevation data of the earths land surface are available with data points posted every 1.
I wrote an open source command line tool to download and clip srtm 30m data, docs are here. Global multiresolution terrain elevation data 2010. Use planetdem 30 plus, the global 30meter digital elevation model from planetobserver in all civil and military 3d visualization and simulation solutions. Take advantage of advanced elevation data processed from entirely corrected 30meter srtm data combined with other multisource data. Srtm or directly from their ftp site files are named according to latitude and longitude. 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. The srtm 1 arcsecond global data offer worldwide coverage of void filled data at a resolution of 1 arcsecond 30 meters and provide open distribution of this highresolution global data set. Please see the linked pdf files for further documentation. Srtm digital elevation data 30m earth engine data catalog. This dataset was derived through mosaicking of individual srtm tiles for a particular country and clipping the mosaicked tiles using the country boundary extent. The wonderful srtm project has the potential to provide global elevation data at up to 30m 1 arcsecond resolution, worldwide. Note that any download policies of the respective providers apply. 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. Shuttle radar topography mission srtm gl1 global 30m ellipsoidal.
Srtm elevation data is an effort to provide digital elevation model dem at global scope with highest resolution 30 m. The srtm radar contained two types of antenna panels, cband and xband. Opendem the portal for sharing free digital elevation models and xyz height datasets. By analysing the interferograms digital elevation modells can be created. The srtm elevation data for the study area was downloaded from. 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. Elimination of the voids in the nasa srtm dem was the primary goal of a project under the. But heres a usgs earth explorer download guide to help you get started. The shuttle radar topography mission srtm, see farr et al. Srtm global digital elevation model nc state university. 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. The national aeronautics and space administration nasa. Download srtm 30m digital elevation models for free. Any download policies of the respective mirrors apply.
The us government recently relaxed the distribution restrictions on the data, making 30m 1 arc second dems available. Click on the srtm30 tile to download the digital elevation map dem from the place you select. Click on yellow tiles to download their corresponding data. The first release of shuttle radar topography mission srtm data was provided in 1degree digital elevation model dem tiles from the usgs ftp server ftp.
Srtm dem data is being housed on the usgs earth explorer. Annotated version click on the image for larger version movie click on the image to view the movie. Where could i get a free global srtm digital elevation. The collections are located under the digital elevation category. Elevation data digital elevation models l3harris geospatial. Shuttle radar topography mission srtm gl1 global 30m. Digital elevation data with srtm voids filled using. How can i download srtm data of 30 m resolution for research in remote sensing. Digital elevation shuttle radar topography mission srtm usgs. I need a global elevation map to work in divagis, but i only can find elevation maps of countries. The 3dep data holdings serve as the elevation layer of the national map, and provide foundational elevation information for earth. How to download srtm elevation data in qgis geodose.
May 27, 2015 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. This srtm v3 product srtm plus is provided by nasa jpl at a resolution of 1 arcsecond approximately 30m. Free digital elevation model dem and free satellite data. Be sure to select data sets from the row of tabs on the top left of the screen, then scroll down to digital elevation, then srtm and finally select the srtm 1 arcsecond global dataset. This tutorial will discuss how to download srtm elevation data directly in qgis using srtm downloader plugin. Usgs ascii dem format is not particularly good as a data format because it is ascii. A site in the crater highlands of tanzania reveals the difference between shuttle radar topography mission srtm digital elevation model dem data as originally released in 2004 left and as now released at full resolution in 2014 right. Elevation data l3harris geospatial offers a wide variety of inhouse digital elevation datasets and has partnered with other leading topography providers such as airbus and planetobserver to provide multiresolution digital elevation models dem coverage 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.
Usually the srtm data can be downloaded from usgs earth explorer or nasa earth data server. Shuttle radar topography mission srtm 1 arcsecond global elevation data at a resolution of 1 arcsecond 30 meters are now available for europe and africa on the geosoft public dap server download a windowed selection from dap. The shuttle radar topography mission cband data for north america and south america are available to the public. Where could i get a free global srtm digital elevation data. Apr 26, 2017 video ini berisi tata tacatutorial bagaimana caranya mendownload data srtm dem dari situs usgs. There is a new, 30 meters resolution srtm dtm coming out. Apr 19, 2019 these files have been processed to fill data voids and there is a corresponding kmz file which contains a 90meter index for growing srtm data. It appears that the global 1arcsecond 30m srtm digital elevation model is now being made publicly available. The shuttle radar topography mission srtm was flown aboard the space shuttle endeavour february 1122, 2000. A great advantage of such an active remote sensing system is the collection of data without depency on weaher or illumination schmidt 2011. Elevation provides easy download, cache and access of the global datasets srtm 30m global 1 arc second v003 elaborated by nasa and nga hosted on amazon s3 and srtm 90m digital elevation database v4. Navigate directly to the url for data access and download. The data originate in the nasa shuttle radar topographic mission srtm data held at the national map seamless data distribution system. This makes the file size several times larger than a well.
The srtm digital elevation data, produced by nasa originally, is a major breakthrough in digital mapping of the world, and provides a major advance in the accessibility of high quality elevation data for large portions of the tropics and other areas of the developing world. Vertical accuracy assessment for srtm and aster digital elevation models. The downloadable 3 arc second 1 x1 digital elevation models on this site are mainly based on data collected by the 2000 shuttle radar topography mission. Jul 25, 2019 the shuttle radar topography mission srtm obtained elevation data on a nearglobal scale to generate the most complete highresolution digital topographic database of earth.
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