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. This is free, and all the data has been upgraded to version 4. Click on the srtm30 tile to download the digital elevation map dem from the place you select. 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.
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. For more information concerning the tandemx 90m dem, the. Digital elevation models dem for nearly the entire globe, covering most of the countries of the world, are available for download on this site. High resolution free dem data released for africa igis. A nearlyglobal, void free, multiscale smoothed, 90m digital elevation model from fused aster and srtm 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.
Where could i get a free global srtm digital elevation. Srtm 90m digital elevation database cgiar platform for. 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. How to download srtm dem 90m for arcgis engineering times. You will have world satellite imagery as in figure 2. 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.
Earn 10 reputation in order to answer this question. These are available in both arcinfo ascii and geotiff format to facilitate their ease of use in a variety of image processing and gis. 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 shuttle radar topography mission srtm digital elevation dataset was originally produced to provide consistent, highquality elevation data at near global scope. This version of the srtm digital elevation data has been processed to fill data voids, and to facilitate its ease of use.
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. Srtm digital elevation data version 4 earth engine data. The dataset covers most of the globe, except polar regions, i. We would like to show you a description here but the site wont allow us. Oct 23, 2017 create slope and hillshade map for digital elevation model srtm raster data in arcgis 10. 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. The new data are available for download from the usgs eros data. Download free dem with spatial resolution of 30 meters. On my previous tutorial, you can learn how to download srtm data from earthexplorer as well as using srtm downloader in qgis. A tutorial for the processing with free software is under development howto section. 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. The processed data is available under the open databas license at the download srtm section.
Srtm digital elevation data version 4 earth engine data catalog. For example, in this case i added a world satellite imagery image from esri web map server. How to generate contour from srtm data in qgis gis tutorial. Its january 1st and i made the new years resolution to post more this year. If you want to download srtm data, those data are available at the us geological surveys eros data center for download. Srtm 90m digital elevation database cgiar platform for big.
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 cgiarcsi geoportal is able to provide srtm 90m digital elevation data for the entire world. This license is free of charge, but exclusively granted for scientific use. Under the data sets tab, select digital elevation srtm srtm 1arcsecond global. The image is acquired by just one of srtms two antennas, and consequently it does not show topographic data but only the strength of the radar signal reflected from the ground. This data is currently distributed free of charge by usgs and is available for download. Jun 11, 2014 download srtm 250m or 90m digital elevation data version 4.
Any download policies of the respective mirrors apply. This latest version represents a significant improvement from previous versions, using new interpolation algorithms and better auxiliary dems. Prior to release of the aster data, srtm was the one of the free dem available on the market. This shuttle radar topography mission srtm dem was created from level 1 data which was cleaned and had holes patched. 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. 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.
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. A nearlyglobal, voidfree, multiscale smoothed, 90m digital elevation model from fused aster and srtm data. The cgiarcsi geoportal is able to provide srtm 90m digital. The shuttle radar topography mission srtm obtained 90 meter 3 arcsecond resolution data on a nearglobal scale between 56 degrees. Download srtm 30m digital elevation models for free duration. Please refer to acknowledgements in robinson et al. Digital elevation models dem for the entire globe, covering all of the countries of the world, are available for download on this site. The global 1arcsecond 30m srtm digital elevation model is free and made available publicly a through the united states geological surveys earthexplorer site. The dem represents ground surface topography, and excludes vegetation features. 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. To download srtm elevation data, firstly we have to define a location extent. Srtm 90m digital elevation data from the chiar consortium for spatial information. Free download srtm data for entire world the cgiarcsi geoportal is able to provide srtm 90m digital elevation data for the entire world.
So here is a short tutorial on how to download srtm s huttle radar topography mission 90m resolution data 3 arc seconds for an entire country using the raster and rgeos r packages. On february 2000 special modified radar flew for 11 day using two antennas and a single pass. 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. 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.
Processed srtm 90m digital elevation data dem for the. 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 srtm 90m dems have a resolution of 90m at the equator, and are. On this article, i am going to show you how to generate contours from srtm data in qgis. Radar image the radar image was obtained by the shuttle radar topography mission as part of its mission to map earths topography. 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. Create slope and hillshade map for digital elevation model srtm raster data in arcgis 10. See this tutorial how to add satellite imagery in qgis. The shuttle radar topography mission srtm wikipedia article is a nasa mission conducted in 2000 to obtain elevation data for most of the world. 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. All are produced from a seamless dataset to allow easy mosaicing. You can do it manually or simply just add a data into qgis map canvas. 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. 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 licence for commercial use of the tandemx 90m dem data products is to be purchased separately. 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 data does not incluse the shetland islands as srtm data becomes unreliable at 60n. The national aeronautics and space administration nasa and the national geospatial. There are 2 ways that srtm data can be used with pathloss 5. But heres a usgs earth explorer download guide to help you get started. How to download srtm dem directly from the qgis canvas tutorial. Digital elevation model data of whole pakistan srtm 90m. Shuttle radar topography mission srtm nonvoid filled usgs. The data is presented in osgb coords and is free to use and distribute. So here is a short tutorial on how to download srtm s huttle radar topography mission 90m resolution data 3 arc seconds for an entire country using the raster and rgeos r packages basics download single srtm tile. Plugin for blender written in python, used to import srtm shuttle radar topography mission data as a mesh. The nasa shuttle radar topographic mission has provided digital elevation data dems for over 80% of the globe. Mar 15, 2017 shuttle radar topography mission srtm.
So, after we have srtm data loaded in qgis canvas, we can do many things such as generating contours from the srtm data. 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. Download srtm 30m digital elevation models for free. Tandemx 90m dem or tandemx 90m dem products as defined below is granted by the german aerospace center dlr to the user. Download and clip a portion of the srtm 30m dem giving bounding box as wgs84 coordinates. Nice slider comparing the 90m to the 30m data here. Srtm dem data is being housed on the usgs earth explorer. 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. The shuttle radar topography mission srtm obtained elevation data on a nearglobal scale to generate the most complete highresolution digital topographic database of earth 1. How to download 30m and 90m resolution srtm digital elevation. 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. 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 shuttle radar topography mission srtm was flown aboard the space shuttle endeavour february 1122, 2000. 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. 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. 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. So this tutorial is basically will show you how to generate contour from a srtm file. Free for all nearglobal 30meter srtm elevation 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. It also happens to offer their version 4 srtm which has the gaps filled. The difference in elevation, when compared to a bare earth dem is assigned to the.