Srtm did not produce data for the northernmost latitudes or antarctica. Annotated version click on the image for larger version movie click on the image to view the movie. Download srtm 30m digital elevation models for free. The tiles are distributed as zip files containing hgt files labeled with the. The cgiarcsi geoportal is able to provide srtm 90m digital elevation data for the entire world. Do not select the datasets that have the phrase second number v003 as part of their tittle. Click the primary dem tab and select srtm world from the digital elevation model drop down list. Digital elevation data with srtm voids filled using. For a description of the project, see the nasajpl srtm site. For further information, contact lp daac user services. Research grade srtm cband data are available through nasa jpl.
Shuttle radar topography mission srtm cband radar xband radar. Digital elevation model of ireland, from nasas shuttle radar. The land processes distributed active archive center lp daac is responsible for the archive and distribution of nasa making earth system data records for use in research environments srtm, which includes the global 3 arc second 90 meter product. This tutorial will discuss how to download srtm elevation data directly in qgis using srtm downloader plugin. The shuttle radar topography mission srtm data products result from a collaborative mission by the national aeronautics and space administration nasa, the national imagery and mapping agency nima, the german space agency dlr and italian space agency asi, to generate a nearglobal digital elevation model dem of. Free for all nearglobal 30meter srtm elevation data. Click the file index button and a new window will appear. The collections are located under the digital elevation category below the srtm subcategory. The nasa srtm data files are in bigendian format, so depending on what platform you are reading the data on, you may have to do a conversion from bigendian to littleendian. 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. Any download policies of the respective mirrors apply. There is a new, 30 meters resolution srtm dtm coming out. I would recommend you to visit the eartexplorer as your first place to obtain the digital elevation model data.
Nasa shuttle radar topography mission global 3 arc second v003. The nasa srtm data sets result from a collaborative effort by the national aeronautics and space administration nasa and the national geospatialintelligence agency nga previously known as the national imagery and mapping agency, or nima, as well as the participation of the german and italian space agencies. Data for this version can be downloaded from this usgs directory page. The shuttle radar topography mission produced the first detailed elevation model of most of the world. On the page that appears, look for the category called search for. Usually the srtm data can be downloaded from usgs earth explorer or nasa earth data server. Like much of central america, costa rica is generally cloud covered, so very little satellite imagery is available. 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. However, due to high demand and occasional maintenance, the site is not always available, and users are asked to limit their downloads.
Using srtm data as a dem with the pathloss 5 program. How to obtain srtm data for a specific area 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. Hgt importdownloadnasasrtmdatafileshgt, matlab central file exchange. Srtm shuttle radar topography mission center for earth. The new data are available for download from the usgs eros data. Your earthdata login also helps the eosdis program better understand the usage of eosdis services to improve user experience through customization of tools and improvement of services. Oct 24, 2014 take a jaunt on the wild side as nasa jpl shuttle radar topography mission conducts an aerial safari of africa varied topography. Srtm elevation data is an effort to provide digital elevation model dem at global scope with highest resolution 30 m. Tiles come as zipped srtmhgt files at 1arcsecond resolution 3601x3601 pixels in a latitudelongitude projection epsg. Srtm data is usually available direct from nasa s website no longer ftp. There are numerous sources on how to do this, i have no experience with python so i cant help you there. Free sample srtm shuttle radar topography mission back description.
The next release is planned for later in 2014, and it is expected to include all of south america plus north america south of the united states. A comparison of 30m and 90m srtm data from crater highlands, tanzania. The national aeronautics and space administration nasa and the national geospatialintelligence agency nga participated in an international project to acquire radar data which were used to create the first nearglobal set of land elevations. Click on the srtm30 tile to download the digital elevation map dem from the place you select. Please see the linked pdf files for further documentation. 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.
Digital elevation shuttle radar topography mission srtm usgs. A variety of images have been created with data from the shuttle radar topography mission and are available on jpls planetary photojournal. The shuttle radar topography mission srtm was flown aboard the space shuttle endeavour february 1122, 2000. 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. It connects to the nasa ftp server and downloads the zipped tiles which it needs to process your request. 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. For more information about the gdem, see the validation report. Srtm plus uses srtm version 2 see below where the radar interferometric method was successful not void.
Nasa shuttle radar topography mission global 1 arc second v003. Hgt importdownloadnasasrtmdatafileshgt, matlab central file. 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 downloadin. 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.
Nasa shuttle radar topography mission srtm datasets result from a collaborative effort by the national aeronautics and space administration nasa and the national geospatialintelligence agency nga previously known as the national imagery and mapping agency, or nima, as well as the participation of the german and italian space agencies. The gdem and astwbd are available for download from nasa earthdata and japan space systems. Select datasets select the v003 dataset you wish, either nasa shuttle radar topography mission global 3 arc second v003 or nasa shuttle radar topography mission global 3 arc second v003, then click search for granules. The land processes distributed active archive center lp daac is responsible for the archive and distribution of the nasa making earth system data records for use in research environments version srtm, which includes the global 1 arc second 30 meter product.
Shuttle radar topography mission nasa jet propulsion. Nasa radar image shows topography of sendai, japan region full resolution. Nasa on september 23, 2014, the white house announced the coming availability of a nearglobal 30meter m. 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. Nasa shuttle radar topography mission srtm version 3. In february 2000, space shuttle endeavour started on an 11day srtm shuttle radar topography mission remote sensing mission. Nasa shuttle radar topography mission the wonderful srtm project has the potential to provide global elevation data at up to 30m 1 arcsecond resolution, worldwide. The earthdata login provides a single mechanism for user registration and profile management for all eosdis system components daacs, tools, services. The data are available for download via earthdata search, the lp daac data pool and the global data explorer. To access the srtm cband image products on jpls photojournal, follow the link below. For a description of the project, see the nasa jpl srtm site. If youre interested in images and visualizations created from srtm data, go to the image product description page. The data was released continent by continent, as and when the data was processed by nasa and the usgs.
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