If you want to download srtm data, those data are available at the us geological surveys eros data center for download. Srtm consisted of a specially modified radar system that flew onboard the space shuttle endeavour during an 11day mission in february of 2000. Nasa shuttle radar topography mission srtm datasets result from a collaborative effort by the national aeronautics and space administration nasa and the national geospatialintelligence agency nga previously known as the national imagery and mapping agency, or nima, as well as the participation of the german and italian space agencies. Airsar was designed and built by the jet propulsion laboratory jpl which also manages the airsar project. The nasa shuttle radar topographic mission srtm has provided digital elevation data dems for over 80% of the globe. 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.
The german aerospace center dlr and the italian space agency asi complemented the us cband synthetic aperture radar sar payload of nasa jpl with an additional xsar. This is the third release in the series providing access to additional nasa srtm version 3. Nasa shuttle radar topography mission srtm datasets result from a collaborative effort by the national aeronautics and space. Overview download data citation information documentation additional information. For further information, contact lp daac user services. 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. Usgs eros archive digital elevation shuttle radar topography. 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. Sample spacing for individual data points is either 1. Srtm did not produce data for the northernmost latitudes or antarctica. The version 2 directory also contains the vector coastline mask derived by nga during the editing, called the srtm water body data swbd, in esri shapefile format. Elevation data used in this image were acquired by the shuttle radar topography mission srtm aboard the space shuttle endeavour, launched on february 11, 2000. See the africa image above and its caption at the pia04965.
Srtm used the same radar instrument that comprised the spaceborne imaging radarcxband synthetic aperture radar sircxsar that flew twice on the space shuttle endeavour in 1994. Nasa shuttle radar topography mission global 3 arc second v003. Under the data sets tab, select digital elevation srtm srtm 1arcsecond global. The primary goal of creating the version 3 data was to eliminate gaps, or voids, that were present in earlier versions of srtm data. In gray is the original elevation taken with an android smartphone. 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 shuttle radar topography mission instrument consisted of three sections. Usgs srtm mission summary interferometry and srtm an overview nasa jpl srtm. Shuttle radar topography mission project office, jet propulsion laboratory, nasa. If youre interested in images and visualizations created from srtm data, go to the image product description page. The shuttle radar topography mission, which flew aboard nasas space shuttle endeavour during an 11day mission in 2000, made the first nearglobal topographical map of earth, collecting data on nearly 80 percent of earths land surfaces. This version was then edited or finished by the nga to delineate and flatten water bodies, better. 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.
Srtm 90m digital elevation database cgiar big data platform. Airsar served as a nasa radar technology testbed for demonstrating new radar technology and acquiring data for the development of radar. But heres a usgs earth explorer download guide to help you get started. Srtm eoportal directory satellite missions esa earth online. The srtm radar contained two types of antenna panels, cband and xband. Shuttle radar topography mission srtm 2 these versions. There is a new, 30 meters resolution srtm dtm coming out. Space images srtm data release for eurasia, index map. This data center does not have any addresses listed. Nasa shuttle radar topography mission water body data. Illustration of the srtm main antenna assembly image credit.
Srtm nonvoid filled digital object identifier doi number. The nasa srtm product with sample spacing of 3 arc second 90 meter generated by a 3 x 3 averaging of the 1 arc second data are then 10 x 10. Shuttle radar topography mission srtm data have been enhanced to fill. 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.
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. Currently, the missions homepage provides direct access to. A site in the crater highlands of tanzania reveals the difference between shuttle radar topography mission srtm digital elevation model dem data as originally released in 2004 left and as now released at full resolution in 2014 right. Usgs earthexplorer provides users the ability to query, search, and download. If you are having problems with the real videos, download the files pc.
The land processes distributed active archive center lp daac is responsible for the archive and distribution of nasa making earth system data records for use in research environments srtm, which includes the global 30 arc second 1,000 meter product. Srtm was the primary and virtually only payload on the sts99 mission of the space shuttle endeavour, which launched february 11, 2000 and. This srtm v3 product srtm plus is provided by nasa jpl at a resolution of 1 arcsecond approximately 30m. This functionality rely on third party web services that provides api to request srtm data. Srtm dem data is being housed on the usgs earth explorer. This data center does not have any contact mechanisms listed. 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.
The new data are available for download from the usgs eros data center see public data distribution for details. The ministry of economy, trade, and industry meti of japan and the united states national aeronautics and space administration nasa jointly announced the release of the advanced spaceborne thermal emission and reflection radiometer aster global digital elevation model version 3 gdem 003, and the aster water body dataset astwbd on. Click on the srtm30 tile to download the digital elevation map dem from the place you select. The srtm swaths extended from 30 degrees offnadir to 58 degrees offnadir from an altitude of 233 kilometers km, creating swaths 225 km wide, and consisted of all land between 60. Srtm30 is a nearglobal digital elevation model dem comprising a combination of data from the shuttle radar topography mission, flown in february, 2000 and the the u. The land processes distributed active archive center lp daac is responsible for the archive and distribution of nasa making earth system data records for use in research environments srtm, which includes the water body data shapefiles and raster files 30 m product. The srtm xsar dem 1 arcsec offered here for download were processed from. They can be downloaded free of charge by registering with eoweb. In areas with limited data, existing topographical data were used to supplement the srtm data to fill the voids. Srtm digital elevation data 30m earth engine data catalog. The new data are available for download from the usgs eros data. The srtmgl3 data were generated from srtm1gl data that fall within that tile. For 11 days in february 2000, the space shuttle endeavour conducted the shuttle radar topography mission srtm using cband and xband interferometric synthetic aperture radars to acquire topographic data over 80% of the earths land mass, creating the firstever nearglobal data set of land elevations.
Maps indicating the availability of srtm products are available for download. 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 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. Nasa shuttle radar topography mission srtm version 3. The nasa jpl srtm page provides additional information for the project. Elevation data used in this image was acquired by the shuttle radar topography mission srtm aboard the space shuttle endeavour, launched on february 11, 2000.
The main antenna was located in the payload bay of space shuttle endeavour, the mast was connected to the main antenna truss, and an outboard antenna was connected to the end of the mast. The data are available for download via earthdata search, the lp daac data pool and the global data explorer. See an index map of the newly available fullresolution data. Nasa shuttle radar topography mission global 1 arc second v003. The shuttle radar topography mission srtm, see farr et al. A list of complete public data set is available at govsrtmdataprod. The nearglobal topographic maps of earth called digital elevation models dems are made from the cband radar data. Shuttle radar topography mission jet propulsion laboratory.