Under the data sets tab, select digital elevation srtm srtm 1arcsecond global. How to download 30m and 90m resolution srtm digital. 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. On my previous tutorial, you can learn how to download srtm data from earthexplorer as well as using srtm downloader in qgis.
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. The glcf is also a convenient way to browse and download srtm data, in geotiff format for more information, see the glcf srtm page. By cgiarcsi january 4, 2019 february 8, 2019 continue reading cgiar consortium for spatial information cgiarcsi is the geospatial science community of practice that facilitates cgiars use of geospatial data and analysis in research. Srtm dem data is being housed on the usgs earth explorer. 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. To download srtm elevation data, firstly we have to define a location extent. 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.
The global 1arcsecond 30m srtm digital elevation model is free and made available publicly a through the united states geological surveys earthexplorer site. Free for all nearglobal 30meter srtm elevation data. Digital elevation model data of whole pakistan srtm 90m posted by city pulse team on june 05, 2009 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. For example, in this case i added a world satellite imagery image from esri web map server. The data is presented in osgb coords and is free to use and distribute. The dem represents ground surface topography, and excludes vegetation features. Nepal digital model elevation dem this is nepal digital model elevation with 90 meter resolution based on shuttle radar topography mission imagery clipped to nepal boundary. Download srtm 30m digital elevation models for free. This data is currently distributed free of charge by usgs and is available for download. Since then the schedule was accelerated, and all global srtm data have been. It also happens to offer their version 4 srtm which has the gaps filled. We would like to show you a description here but the site wont allow us. Srtm digital elevation data version 4 earth engine data catalog. Srtm software free download srtm top 4 download offers free software downloads for windows, mac, ios and android computers and mobile devices.
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 click on yellow tiles to download their corresponding data. Prior to release of the aster data, srtm was the one of the free dem available on the market. The srtm data is packaged as a srtmhgt files at 1arc second resolution. The srtm 90m dems have a resolution of 90m at the equator, and are. Using srtm data as a dem with the pathloss 5 program. This is free, and all the data has been upgraded to version 4. Click the file index button and a new window will appear. 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. How to download 30m and 90m resolution srtm digital elevation. Digital elevation models dem for the entire globe, covering all of the countries of the world, are available for download on this site. All are produced from a seamless dataset to allow easy mosaicing. This latest version represents a significant improvement from previous versions, using new interpolation algorithms and better auxiliary dems.
The shuttle radar topography mission srtm obtained 90 meter 3. But heres a usgs earth explorer download guide to help you get started. In the menu of the new window click files,import index and srtm hgt files. A tutorial for the processing with free software is under development howto section. 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.
A nearlyglobal, void free, multiscale smoothed, 90m digital elevation model from fused aster and srtm data. Srtm data have been enhanced to fill areas of missing data to provide digital elevation data with a resolution of 1 arcsecond for global coverage. This shuttle radar topography mission srtm dem was created from level 1 data which was cleaned and had holes patched. The cgiarcsi geoportal is able to provide srtm 90m digital elevation data for the entire world. If you want to download srtm data, those data are available at the us geological surveys eros data center for download. The shuttle radar topography mission srtm wikipedia article is a nasa mission conducted in 2000 to obtain elevation data for most of the world. Jun 11, 2014 download srtm 250m or 90m digital elevation data version 4. 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. 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.
Earn 10 reputation in order to answer this question. 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. Click the primary dem tab and select srtm world from the digital elevation model drop down list. See this tutorial how to add satellite imagery in qgis. The shuttle radar topography mission srtm was flown aboard the space. 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. Shuttle radar topography mission srtm nonvoid filled usgs. The tandemx 90m dem is a product variant of the global digital elevation model dem acquired in the frame of the german tandemx mission between 2010 and 2015, and has a reduced pixel spacing of 3 arcseconds 90m at the equator. In this video, i have clearly shown the steps required to download 30m and 90m resolution srtm digital elevation model data from opentopography. Any download policies of the respective mirrors apply. The new data are available for download from the usgs eros data. Srtm 90m digital elevation database cgiar platform for. These are available in both arcinfo ascii and geotiff format to facilitate their ease of use in a variety of image processing and gis. You will have world satellite imagery as in figure 2.
Click on the srtm30 tile to download the digital elevation map dem from the place you select. Kmz file which contains a 90meter index for growing srtm data. 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 90m digital elevation data from the chiar consortium for spatial information. Free synthetic aperture radar handbook available for download. 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. How to generate contour from srtm data in qgis gis tutorial. On february 2000 special modified radar flew for 11 day using two antennas and a single pass. Digital elevation model data of whole pakistan srtm 90m. So this tutorial is basically will show you how to generate contour from a srtm file. This version of the srtm digital elevation data has been processed to fill data voids, and to facilitate its ease of use. 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. Downloading 30meter srtm from the tile downloader site is as simple as pointing.
The shuttle radar topography mission srtm digital elevation dataset was originally produced to provide consistent, highquality elevation data at near global scope. The cgiarcsi geoportal is able to provide srtm 90m digital. Nov 18, 2010 free download srtm data for entire world the cgiarcsi geoportal is able to provide srtm 90m digital elevation data for the entire world. 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.
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. The processed data is available under the open databas license at the download srtm section. The shuttle radar topography mission srtm obtained 90 meter 3 arcsecond resolution data on a nearglobal scale between 56 degrees. The srtm digital elevation data, produced by nasa originally, is a major breakthrough in. 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. Downloading 30meter srtm from the tile downloader site is as simple as. You can do it manually or simply just add a data into qgis map canvas. For more information concerning the tandemx 90m dem, the. Srtm 90m digital elevation database cgiar platform for big. Download 30meter srtm data easily with this point and click. Please refer to acknowledgements in robinson et al. So, after we have srtm data loaded in qgis canvas, we can do many things such as generating contours from the srtm data. The national aeronautics and space administration nasa and the national geospatial.
Mar 15, 2017 shuttle radar topography mission srtm. The shuttle radar topography mission srtm was flown aboard the space shuttle endeavour february 1122, 2000. Nepal digital model elevation dem humanitarian data. Download and clip a portion of the srtm 30m dem giving bounding box as wgs84 coordinates. Feb 19, 2019 in this video, i have clearly shown the steps required to download 30m and 90m resolution srtm digital elevation model data from opentopography. Download srtm 30m digital elevation models for free duration. The data does not incluse the shetland islands as srtm data becomes unreliable at 60n. Users are prohibited from any commercial, nonfree resale.
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