The new data are available for download from the usgs eros data. Srtm 90m digital elevation database cgiar platform for. These 1 second products are a significant improvement on the shuttle radar topographic mission srtm digital surface model dsm from which they were derived. 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. Digital elevation models dem for the entire globe, covering all of the countries of the world, are available for download on this site. Create slope and hillshade map for digital elevation model srtm raster data. Andrew jarvis of the ciat land use project, in collaboration with h. Python script to download global terrain digital elevation models, srtm 30m dem and srtm 90m dem. Guevara to fill in data voids and produce a seamless mosaic.
But heres a usgs earth explorer download guide to help you get started. 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. It appears that the global 1arcsecond 30m srtm digital elevation model is now being made publicly available. All are produced from a seamless dataset to allow easy mosaicing. Download srtm 30m digital elevation models for free. There is a new, 30 meters resolution srtm dtm coming out. See here why the aster dem was not succesfull by comparing it to the old srtm 90m dem in mongolia. Digital elevation model dem, smoothed dem dems and hydrologically enforced dem demh. Srtm dem data is being housed on the usgs earth explorer. Nasa on september 23, 2014, the white house announced the coming availability of a nearglobal 30meter m. We are all excited about the recent message from the white house.
Srtm plus uses srtm version 2 see below where the radar interferometric method was successful not void. This shuttle radar topography mission srtm dem was created from level 1 data which was cleaned and had holes patched. We would like to show you a description here but the site wont allow us. How can i download srtm data of 30 m resolution for research in remote sensing. Perbandingan data srtm 3 arc second kiri dengan srtm 1 arc second kanan. Note that any download policies of the respective providers apply. Download scientific diagram shuttle radar topography mission srtm 90 m digital elevation model dem of the study area, draped over a hillshade model. The data is presented in osgb coords and is free to use and distribute. This tutorial will discuss how to download srtm elevation data directly in qgis using srtm downloader plugin. 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.
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. The processed data is available under the open databas license at the download srtm section. Nepal digital model elevation dem humanitarian data. Oct 23, 2017 how to download srtm dem 90m for arcgis. These data have been processed and merged to provide continuous coverage of 91% of the globe. 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. A comparison of 30m and 90 m srtm data from crater highlands, tanzania. The tandemx 90m dem offered here for download is a product derived from the global digital elevation model dem with a 0. The data originate in the nasa shuttle radar topographic mission srtm data held at the national map seamless data distribution system.
The collections are located under the digital elevation category below the srtm subcategory. Srtm consisted of a specially modified radar system that flew onboard the space shuttle endeavour during an 11day mission in february of 2000. Mar 09, 2012 the srtm 90m dem s 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. Download 30meter srtm data easily with this point and click. Any download policies of the respective mirrors apply. The data does not incluse the shetland islands as srtm data becomes unreliable at 60n. 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. 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. Mar 01, 2019 global geographic elevation data made easy. This was achieved by filling the voids with elevation data primarily from the aster gdem2 global digital elevation model version 2 and secondarily from the usgs gmted2010 elevation model or the usgs national elevation dataset ned. The shuttle radar topography mission srtm digital elevation dataset was originally produced to provide consistent, highquality elevation data at near global scope. Download data srtm 1 arc second 30 meter hasil downloa data langsung bisa dibuka menggunakan software global mapper yang enteng dan mudah dalam penggunaanya dan perbandingkan dengan data srtm 3 arc second 90 meter akan sangat jauh berbeda. Learn how easy it is to search and download freely available shuttle radar topographic mission srtm dems, that were collected in february 2000. 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.
The shuttle radar topography mission srtm obtained elevation data on a nearglobal scale to generate the most complete highresolution digital topographic database of earth. Usually the srtm data can be downloaded from usgs earth explorer or nasa earth data server. Srtm did not produce data for the northernmost latitudes or antarctica. Srtm xsar digital elevation model dem 10 mosaics global abstract. 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. The national 1 second 30m dems suite contains three publicly released national models.
The shuttle radar topography mission srtm obtained 90 meter 3 arcsecond resolution data on a nearglobal scale between 56 degrees. The cgiarcsi geoportal is able to provide srtm 90m digital. Srtm 90m digital elevation database cgiar platform for big. Which dem data is better for elevation mapping, aster or. 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. Under the data sets tab, select digital elevation srtm srtm 1arcsecond global. Voidfilled srtm plus released srtm nasa v3 nasa has released a voidfilled version of the shuttle radar topography mission digital elevation model, known as srtm plus or srtm nasa version 3.
Free for all nearglobal 30meter srtm elevation data. Digital elevation shuttle radar topography mission srtm usgs. 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. It covers with 150 mio sqkm all earths landmasses from pole to pole. Click on the srtm30 tile to download the digital elevation map dem from the place you select. Srtm digital elevation data version 4 earth engine data catalog. Which dem data is better for elevation mapping, aster or srtm satellite data. The srtm 90m dem s have a resolution of 90m at the equator, and are provided in mosaiced 5 deg x 5 deg tiles for easy download and use. Srtm 90m digital elevation data from the chiar consortium for spatial information. A tutorial for the processing with free software is under development howto section. Srtm elevation data is an effort to provide digital elevation model dem at global scope with highest resolution 30 m.
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. Apr 19, 2019 derek watkins has created a simple and easy to use interface for downloading 30meter srtm data. 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 data distributed here are in ehdr format, unprojected and referenced to the wgs84 geodetic datum. 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. Opentopography shuttle radar topography mission srtm gl3. This version of the srtm digital elevation data has been processed to fill data voids, and to facilitate its ease of use.
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. Cgiar consortium for spatial information cgiarcsi is the geospatial science community of practice that facilitates cgiars use of geospatial data and analysis in research. Simplifying soil data management in subsaharan africa. 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. There are 2 ways that srtm data can be used with pathloss 5. Srtm 1 1 equals 1 arcsecond, whereas 3 was indicating the 3 arcsecond a. Cgiarcsi at the africagis 2019 conference in kigali, rwanda. Shuttle radar topography mission srtm 90 m digital elevation. Which dem data is better for elevation mapping, aster or srtm.
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