It can be considered to be either an srtm data set enhanced with gtopo30, or as an upgrade to gtopo30. Download and clip a portion of the srtm 30m dem giving bounding box as wgs84 coordinates. The technical details on srtm dem database is documented on a paper entitled the shuttle radar topography mission and can be downloaded from following link. 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. The dataset covers most of the globe, except polar regions, i. Does anybody know a ftpadress where we can download srtm1. So, i am trying create a standalone program with netcdf4 python module to. Click fetch to start the download if you have selected 1 srtm as the data type. 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. Parent directory documentation navmac800qsfile srtm1 srtm3 srtm30 swbd. This is the third release in the series providing access to additional nasa srtm version 3. May 11, 2014 i just finished developing a tool for whitebox gat that will automatically download shuttle radar topography mission srtm digital elevation models dems from the usgs srtm ftp site. Dec 03, 2014 srtm data have been publicly available relatively soon after the data was processed. Does anybody know such a ftpdirectory to download srtm1 data.
The new data are available for download from the usgs. There are some voids in the current data that can be readily filled using other data sets such as srtm. The data could be visualised in 3d with the virtual terrain software. Click on the srtm30 tile to download the digital elevation map dem from the place you select. Srtm 90m digital elevation database cgiar big data platform. See an index map of the newly available fullresolution data. The glcf is also a convenient way to browse and download srtm data, in geotiff format for more information, see the glcf srtm page. 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. Using shuttle radar topography mission srtm data in surfer.
Mar 09, 2012 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 in both arcinfo ascii and geotiff format. But also other sources of srtm data can be configured. Jplnasa version 1 srtm nonvoid filled, unedited elevation data us. The glcf is also a convenient way to browse and download srtm data, in geotiff format for.
Srtm did not produce data for the northernmost latitudes or antarctica. Public terrain data free of charge fetchsrtm download tool for finding and downloading srtm, ned and nlcd terrain data. Data can be downloaded using a browser or accessed directly from the ftp site. Nasa shuttle radar topography mission srtm version 3. Still, the coastal zone is also showing the negative value for a long stretch landward. The cgiarcsi geoportal is able to provide srtm 90m digital.
Still, the coastal zone is also showing the negative value for. Asking for help, clarification, or responding to other answers. Like the srtm data set, these data are described as a digital surface model since the heights of offterrain objects vegetation, buildings, etc are included. Download from internet if a file is not founr on the local path. Shuttle radar topography mission srtm 1 arcsecond global elevation data at a resolution of 1 arc. 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. Download srtm data the data could be downloaded under the open database license. Plugin for blender written in python, used to import srtm shuttle radar topography mission data as a mesh. I just finished developing a tool for whitebox gat that will automatically download shuttle radar topography mission srtm digital elevation models dems from the usgs srtm ftp. Srtm shuttle radar topography mission quality version 4 is now finished, and will be available online by july. Improved and voidfilled global topographic model of the srtm data.
If you have selected 1 srtm as the data type, you will be prompted to enter your earthdata login credentials. See the section below for a 2014 update srtm shuttle radar topography mission, a joint project between the nima and nasa to. A cookie will be stored and subsequent downloads will not require the login. 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. The shuttle radar topography mission srtm wikipedia article is a nasa mission conducted in 2000 to obtain elevation data for most of the world.
It appears that the global 1arcsecond 30m srtm digital elevation model is now being made publicly available through, for example, the united states geological surveys earthexplorer 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. Any download policies of the respective mirrors apply. It is designed for advanced users seeking to download large amounts of data quickly and who have the bandwidth, expertise, and software necessary to manage 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 in both arcinfo ascii and geotiff. For further information, contact lp daac user services. 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. Space shuttle radar topography mission several srtm data versions and products are available. The usgs ned files are large and can a long time to download. 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.
Nov 18, 2010 the cgiarcsi geoportal is able to provide srtm 90m digital elevation data for the entire world. This data was collected during the shuttle radar topography. An overview of the different versions is given in figure 2 in the srtm user guide. The links are connected directly to the nasa site courtesy of nasangausgs. We would like to show you a description here but the site wont allow us. 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 data are provided in motorola or ieee byte order, which stores the most signi. Similarly, i also tried with srtm 30m dem data but the range is showing from 1 to 22, the above results were confusing, requesting for the suggestions thank you nataraja m. Oct 28, 2019 however, coastal data in subarctic zones showing some mysterious results like the value of water is 48, thats ok. It also happens to offer their version 4 srtm which has the gaps filled. 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.
The dem data on this site are version 3 of the csisrtm data with included improved clipping of shorelines using the srtm water bodies data swbd, and improved interpolation of voids areas using high resolution auxiliary data for us, canada, mexico, europe. The cgiarcsi geoportal is able to provide srtm 90m digital elevation data for the entire world. 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. The shuttle radar topography mission srtm was flown aboard the space shuttle endeavour february 1122, 2000. The srtm digital elevation data, produced by nasa originally, is a major. There are different places where you can download the aster dem, first is lp daac global data explorer and next is nasa reverb. The nasa shuttle radar topographic mission srtm has provided digital elevation data dems for over 80% of the globe. The srtm hgt format is similar to the gtopo30 dem format supported by surfer. The mission collected elevation data from 56s to 60n and was the highest resolution topographical database at the time of acquisition more. This interface attempts to ease the pain of downloading 30meter resolution elevation data from the shuttle radar topography mission click on yellow. Laz in cloud when exporting lidar data urls to text from the cart the user can specify whether to include files in laz only, las only or both formats if both types are present in the cart. An overview of the different versions is given in figure 2 in the srtm. Top 4 download periodically updates software information of srtm full versions from the publishers, but some information may be slightly outofdate using warez version, crack, warez passwords, patches, serial numbers, registration codes, key generator, pirate key, keymaker or keygen for srtm license key is illegal. 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.
The data was released continent by continent, as and when the data was processed by nasa and the usgs. 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. The srtm 90m dems have a resolution of 90m at the equator, and are. The data are available for download via earthdata search, the lp daac data pool and the global data explorer. However, coastal data in subarctic zones showing some mysterious results like the value of water is 48, thats ok. It provides endtoend capabilities for managing nasas earth. Thanks for contributing an answer to stack overflow. Webgis geographic information systems resource gis. Downloading srtm data geographic information systems stack. If you want to download srtm data, those data are available at the us geological surveys eros data center for download. 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.
Srtm3 data are among the best global elevation data, with a grid resolution of approximately 90 m. In many areas srtm data provide the only topographic data set. Maps and gis data are available for digital download. Mrlc multi resolution land characteristics for ned and nlcd data in bil format. This interface attempts to ease the pain of downloading 30meter resolution elevation data from the shuttle radar topography mission. The actual url of the source of dem is configured in the file internet. Click on yellow tiles to download their corresponding data.
Some years ago ive downloaded srtm3 90m data from a anonymous ftp directory. Users should be aware that these data are intended for use with a. Apr 19, 2019 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. Surface map created with srtm bil data converted to the surfer grd format with bil2grd3. 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.
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. 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. The earth observing system data and information system is a key core capability in nasas earth science data systems program. Prior to release of the aster data, srtm was the one of the free dem available on the market. See the africa image above and its caption at the pia04965. The new data are available for download from the usgs eros data center see public data distribution for details. The dem data on this site are version 3 of the csisrtm data with included improved clipping of shorelines. The national aeronautics and space administration nasa and the.
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