Shuttle radar topography mission srtm gl3 global 90m. This version of the srtm digital elevation data has been processed to fill data voids, and to facilitate its ease of use. The shuttle radar topography mission srtm obtained elevation data on a nearglobal scale to generate the most complete highresolution digital topographic database of earth. Optionally, narrow the results by adding text search criteria such as a keyword like srtm. These data have been processed and merged to provide continuous coverage of 91% of the globe. The srtm digital elevation data provided on this mirror has been. You will have world satellite imagery as in figure 2. The data distributed here are in ehdr format, unprojected and referenced to the wgs84 geodetic datum. Srtm digital elevation data version 4 earth engine 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. 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. While there are many free versions available in the public.
Digital elevation models dem for the entire globe, covering all of the countries of the world, are available for download on this site. The dem represents ground surface topography, and excludes vegetation features. 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. Elimination of the voids in the nasa srtm dem was the primary goal of a. The shuttle radar topography mission srtm wikipedia article is a nasa mission conducted in 2000 to obtain elevation data for most of the world. Oct 23, 2017 create slope and hillshade map for digital elevation model srtm raster data in arcgis 10. I read about the new version of the digital elevation model at 30 meters srtm 30 meters, but i can not find from were i can download it. Global spatiallydisaggregated crop production statistics data for 2010.
How to download 30m and 90m resolution srtm digital elevation model data from opentopography duration. 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. Please see the linked pdf files for further documentation. Nasa shuttle radar topography mission srtm version 3.
The data does not incluse the shetland islands as srtm data becomes unreliable at 60n. Usgs eros archive digital elevation shuttle radar topography. 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. Srtm 90m digital elevation database cgiar platform for. Elevation data provides height above the sea level in meters for every single place in the world, measured for regions of approximately 30x30 meters. I made this script to download an arbitrary region that can be reprojected. Srtm data was obtained using the nasa space shuttle and provides a 90m data grid data for most of the world. See this tutorial how to add satellite imagery in qgis. Basics download single srtm tile as described in a previous post its possible to download the 90m srtm using the getdata function as follows. As with all other raster data products delivered by opentopography, srtm data can be downloaded seamlessly for a user defined area of. 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 national aeronautics and space administration nasa and the national geospatial.
Swbd shall be produced as 3dimensional, area features, attributed with standard nima feature and attribute coding catalogue. 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. 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 nasa srtm obtained elevation data on a nearglobal scale using radar interferometry.
Download srtm 30m digital elevation models 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 tiles come as zipped srtmhgt files at 1arcsecond resolution 3601x3601 pixels in a latitudelongitude projection, downloaded from nasa servers. This data is currently distributed free of charge by usgs and is available for download from the national map seamless data. The shuttle radar topography mission srtm digital elevation dataset was originally produced to provide consistent, highquality elevation data at near global scope. 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. Srtm gl1 ellipsoidal, srtm gl1, raster bulk download. Srtm 90m digital elevation database cgiar big data platform. 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. Users should be aware that these data are intended for use with a geographic information system gis or other special application. The nasa shuttle radar topographic mission srtm has provided digital elevation data dems for over 80% of the globe. Create slope and hillshade map for digital elevation model srtm raster data in arcgis 10. For a description of the project, see the nasajpl srtm site. If youre interested in images and visualizations created from srtm data, go to the image product description page.
Srtm consisted of a specially modified radar system that flew onboard the space shuttle endeavour during an 11day mission in february of 2000. The global 1arcsecond 30m srtm digital elevation model is free and made available publicly a through the united states geological surveys earthexplorer site. In this video, i have clearly shown the steps required to download 30m and 90m resolution srtm digital elevation model data from. The raster package is not only a great tool for raster processing and calculation but also very useful for data acquisition. For example, in this case i added a world satellite imagery image from esri web map server. In the results for the geosoft dap server, the srtm world elevation 90m and srtm us elevation 30m will appear as long as they intersect with your area of interest. For more information concerning the tandemx 90m dem, the. Srtm consisted of a specially modified radar system that flew on board the space. Global elevation data evaluation and basemaps bigdata earth. Elevation provides easy download, cache and access of the global datasets srtm 30m global 1 arc second v003 elaborated by nasa and nga hosted on amazon s3 and srtm 90m digital elevation database v4. Its not easy to download it, although certain web sites give tools to do it. Srtm xsar digital elevation model dem 10 mosaics global abstract.
Srtm 90m digital elevation data from the chiar consortium for spatial information. 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. Srtm digital elevation data version 4 earth engine data catalog. Free for all nearglobal 30meter srtm elevation data. The cgiarcsi geoportal is able to provide srtm 90m digital elevation data for the entire world. Mar 01, 2019 global geographic elevation data made easy. Any download policies of the respective mirrors apply.
The shuttle radar topography mission srtm obtained elevation data on a. Shuttle radar topography mission srtm data have been enhanced to fill areas of missing data void filled to provide more complete digital elevation data with a resolution of 1 arcsecond 30 meters and 3 arcseconds 90 meters for global coverage. How to download 30m and 90m resolution srtm digital elevation. The areas where we processed the data with the void filling algorithm are stored iin the mask data are in. There is a new, 30 meters resolution srtm dtm coming out. Note that these data do not extend past 60n or 60s. This processor transformed the radar echoes into strips of digital elevation data, one strip for each of the or so data swaths. Prior to release of the aster data, srtm was the one of the free dem available on the market. With the function getdata you can download the following data directly into r and process it. The srtm digital elevation data, produced by nasa originally. Note that any download policies of the respective providers apply. The shuttle radar topography mission srtm was flown aboard the space shuttle endeavour february 1122, 2000. We would like to show you a description here but the site wont allow us.
You can do it manually or simply just add a data into qgis map canvas. For most cases probably the srtm data is the best bet. One of them, the srtm 90m dem digital elevation database, allows to do it in 5x5 degrees tiles. To download srtm elevation data, firstly we have to define a location extent. Since srtm data are one of the most widely used elevation data sources, the. May 27, 2015 download srtm 30m digital elevation models for free. As stated on the nasa jpl official page, the next release is planned for later in 2014, and it is expected to include all of south america plus north. The shuttle radar topography mission srtm, dts99 from february 11 to 22, 2000 was an usgermanitalian effort to produce a first global digital elevation model dem.
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. 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. Data downloadyou will find at this site elevation data stored in the directories. This shuttle radar topography mission srtm dem was created from level 1 data which was cleaned and had holes patched. Srtm 90 elevation data with 90m resolution between latitude 60 and 60 world climate data tmin, tmax, precip, bioclim. You will find at this site elevation data stored in the directories. The original raw open data from us geological survey srtm 1arc, nasa and meti aster gdem and european union eudem has been modified, adapted and overlaid to fill the gaps and provide a.
The srtm digital elevation data, originally produced by nasa, 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. On february 2000 special modified radar flew for 11 day using two antennas and a single pass. 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. 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, 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. Creating terrain mesh using highresolution elevation map srtm 1 arc second or. The data is presented in osgb coords and is free to use and distribute.