An individual file covers a 5 degree grid so the size of the files can be up to 63mbytes. Registered users can download these datasets from an ftp server. Download and clip a portion of the srtm 30m dem giving bounding box as wgs84 coordinates. The dataset covers most of the globe, except polar regions, i. Shuttle radar topography mission data was first released in early. Importing shuttle radar topography mission srtm elevation data. Data can be downloaded using a browser or accessed directly from the ftp site. Srtm dem 30m free download enter your email address for notification upon completion of processing. Under the data sets tab, select digital elevation srtm srtm 1arcsecond global. On september 23, 2014, the white house announced the coming availability of a nearglobal 30meter m version of the widely utilized elevation dataset, the shuttle radar topography mission srtm. Srtm was a specially designed mission of the endeavour space shuttle, with a specially built sensor antenna, and aimed to map the earths land. Annotated version click on the image for larger version movie click on the image to view the movie.
See the africa image above and its caption at the pia04965. The data could be downloaded under the open database license the data could be visualised in 3d with the virtual terrain software srtm digital terrain model of germany. 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. It then unzips the files and stores them in a cache directory, so that it doesnt have to download the same tiles the next time it needs them. Elevation models from the srtm mission available free of charge.
You can download and clip a portion of the srtm 30m dem with one command with the elevation python. Mrlc multi resolution land characteristics for ned and nlcd data in bil format. It connects to the nasa ftp server and downloads the zipped tiles which it needs to process your request. The usgs suggest three different approaches to download multiple. Some years ago ive downloaded srtm3 90m data from a anonymous ftp directory. Any download policies of the respective mirrors apply. A 1 arc second data product was also produced, but is not available for all countries. 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. But heres a usgs earth explorer download guide to help you get started. Earn 10 reputation in order to answer this question. The nearglobal topographic maps of earth called digital elevation models dems are made from the cband radar data. The srtm digital elevation data provided on this site has been processed to fill data voids and to facilitate its ease of use by a wide group of potential users.
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 data is processed srtm data which means bad data and no data voids have been removed. Derek watkins has created a simple and easy to use interface for downloading 30meter srtm data. There are 2 ways that srtm data can be used with pathloss 5. Srtm 90m digital elevation database cgiar big data platform. Parent directory documentation navmac800qsfile srtm1 srtm3 srtm30 swbd. It can be considered to be either an srtm data set enhanced with gtopo30, or as an upgrade to gtopo30. The data can be configured as a dem and used for all profile and background generation or it can be used in conjunction with a bare earth dem such as ned data in gridfloat format as a clutter database. Click on the srtm30 tile to download the digital elevation map dem from the place you select. Srtm did not produce data for the northernmost latitudes or antarctica. This interface attempts to ease the pain of downloading 30meter resolution elevation data from the shuttle radar topography mission. The download for about 80 gb of srtm data took about 1 day and worked flawlessly. 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 difference in elevation, when compared to a bare earth dem is assigned to the clutter height.
Elevation models from the srtm mission available free of. The global 1arcsecond 30m srtm digital elevation model is free and made available publicly a through the united states geological surveys earthexplorer site. The glcf is also a convenient way to browse and download srtm data, in geotiff format for. This filter will only be applied to data sets that support cloud cover filtering in the data set list denotes cloud cover support. Nasa 3 second data approx 90m grid the files are downloaded from this website ftp. The new data are available for download from the usgs eros data. Free sample srtm shuttle radar topography mission back description. The shuttle radar topography mission srtm was flown aboard the space shuttle endeavour february 1122, 2000.
The dem data are provided in motorola or ieee byte order, which stores the most signi. Flown on a space shuttle mission during 2000, srtm elevation data covers our globe from 60 degrees north to 56 degrees south and was previously only. The nasa shuttle radar topographic mission srtm has provided digital elevation data dems for over 80% of the globe. The shuttle radar topography mission is a collaborative project between nasa, the national imagery and mapping agency nima, and the german and italian space agencies to map the elevation of a large part of the globe. The 3dep data holdings serve as the elevation layer of the national map, and provide foundational elevation information for earth. The shuttle radar topography mission cband data for north america and south america are available to the public.
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. But the shuttle radar topography mission was not only a milestone for precise recording of. May 20, 2020 this is a tiled collection of the 3d elevation program 3dep and is one meter resolution. They can be downloaded free of charge by registering with eoweb. An overview of the different versions is given in figure 2 in the srtm user guide jplnasa version 1 srtm nonvoid filled, unedited elevation data us. 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. The topographic maps and geographical information system gis data provided in the national map are pregenerated into downloadable products often available in multiple formats. The srtm 90m dems have a resolution of 90m at the equator, and are provided. 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. Public terrain data free of charge fetchsrtm download tool for finding and downloading srtm, ned and nlcd terrain data.
A 1 arc second data product was also produced, but is. Space shuttle radar topography mission several srtm data versions and products are available. Downloading srtm data geographic information systems stack. 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. The shuttle radar topography mission srtm is a tremendous resource because of its high accuracy and its consistency as a snapshot of earths surface, acquired over just 10 days during february 2000. Maps and gis data are available for digital download. Background information about our remote sensing data is provided here, including collection overview, instrument specifications, and workflow examples. Does anybody know a ftpadress where we can download srtm1.
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