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. 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. Srtm3 this data was collected during the shuttle radar topography mission srtm and contains global coverage from 56 degrees south latitude to 60 degrees north latitude in 1 by 1 degree blocks with an approximate resolution of 90 by 90 meters. The data was released continent by continent, as and when the data was processed by nasa and the usgs.
The glcf is also a convenient way to browse and download srtm data, in geotiff format for more information, see the glcf srtm page. The data are available for download via earthdata search, the lp daac data pool and the global data explorer. Srtm shuttle radar topography mission terrain data in resolutions of 90m and 900m covering the entire world and of 30m for the us free. Download 30meter srtm data easily with this point and click. In other words, make sure that the sites coordinates fall within the rectangle bounded by the north, south, east and west edges as listed for the srtm files in the index.
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. A free dataset created by combining data from many sources, including gapfilling srtm, and sheets of contour maps. We are looking for any free terrain data for anywhere in the world. It appears that the global 1arcsecond 30m srtm digital elevation model is now being made publicly available through, for example, the united states. Then in the next dialog enter the location of the root directory for the data in this case it would be. This data was collected during the shuttle radar topography mission srtm and contains global coverage from 56 degrees south latitude to 60 degrees north latitude in 1 by 1 degree blocks with an approximate resolution of 90 by 90 meters. This srtm v3 product srtm plus is provided by nasa jpl at a resolution of 1 arcsecond approximately 30m. This data was collected during the shuttle radar topography mission srtm and contains full coverage of the. Height data from these sites or data files in the same formats are supported. Download srtm 30m digital elevation models for free duration. Mapping the earth the shuttle radar topography mission. See an index map of the newly available fullresolution data.
Srtm digital elevation data 30m earth engine data catalog. Nasa shuttle radar topography mission srtm version 3. This is the third release in the series providing access to additional nasa srtm version 3. The national map viewer website has recently changed the way that you download the demsrtm files which we use to generate real world terrain for train simulator routes. Usually the srtm data can be downloaded from usgs earth explorer or nasa earth data server. Digital elevation data with srtm voids filled using accurate. The shuttle radar topography mission srtm was flown aboard the space shuttle endeavour february 1122, 2000. 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. Data can be downloaded using a browser or accessed directly from the ftp site. Note the edges of the srtm files and ensure that they cover the area of your project. Under the data sets tab, select digital elevation srtm srtm 1arcsecond global.
The mission collected elevation data from 56s to 60n and was the highest resolution topographical database at the time of acquisition more. Download srtm 30m digital elevation models for free. A cookie will be stored and subsequent downloads will not require the login. The srtm digital elevation data, produced by nasa originally, is a major. The global multiresolution terrain elevation data 2010 gmted2010 provides a new level of detail in global topographic data. The shuttle radar topography mission srtm wikipedia article is a nasa mission conducted in 2000 to obtain elevation data for most of the world.
Download free dem digital elevation model 10 meters by. Srtm dem data is being housed on the usgs earth explorer. To access the srtm cband image products on jpls photojournal, follow the link below. Srtmderived 1 second digital surface model dsm version 1. The first release of shuttle radar topography mission srtm data was provided in 1degree digital elevation model dem tiles from the usgs ftp server ftp. If its obviously not free data, then dont add it, please.
Oct 24, 2014 take a jaunt on the wild side as nasa jpl shuttle radar topography mission conducts an aerial safari of africa varied topography. 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. Jan 11, 2017 the national map viewer website has recently changed the way that you download the dem srtm files which we use to generate real world terrain for train simulator routes. Webgis is where you can find all the leading information and resources for geographical information systems. Laz in cloud when exporting lidar data urls to text from the cart the user can specify whether to include files in laz only, las only or both formats if both types are present in the cart. The usgs ned files are large and can a long time to download. Please see the linked pdf files for further documentation. If you have selected 1 srtm as the data type, you will be prompted to enter your earthdata login credentials. Webgis free terrain data geographic information systems.
The operator named get srtm is a nice shortcut to grab srtm relief data for a particular location. The shuttle radar topography mission srtm obtained elevation data on a nearglobal scale to generate the most complete highresolution digital topographic database of earth. It also happens to offer their version 4 srtm which has the gaps filled. Digital elevation data with srtm voids filled using. The shuttle radar topography mission srtm, see farr et al. Digital elevation shuttle radar topography mission srtm usgs. 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.
It is generated by collecting elevation points of terrain. Srtm elevation data is an effort to provide digital elevation model dem at global scope with highest resolution 30 m. For geographic context, this site is located at almost the exact center of jpl photojournal image. The data could be visualised in 3d with the virtual terrain software. The new data are available for download from the usgs eros data center see. Downloading 30meter srtm from the tile downloader site is as simple. Public terrain data free of charge fetchsrtm download tool for finding and downloading srtm, ned and nlcd terrain data. Download 30meter srtm data easily with this point and. Documentation for the shuttle radar topography mission. Download srtm 30m digital elevation models for free youtube. The tutorial below covers how to choose the dem type, confirm availability for your area, and then download these files. Usgs eros data center edc distributes and archives srtm data for nasa in accordance with policy guidelines set forth by nasanga memorandum of understanding october, 2003.
Derived from nasas srtm data, this dsm had been processed to remove artifacts and errors inherent to the data. Any download policies of the respective mirrors apply. 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. For a description of the project, see the nasajpl srtm site. Download digital terrain dem digital elevation model and. This data was collected during the shuttle radar topography mission srtm and contains full coverage of the united states in 1 by 1 degree blocks with an approximate resolution of 30 by 30 meters. 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.
This functionality rely on third party web services that provides api to request srtm data. 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. Documentation for the shuttle radar topography mission srtm water body data files the srtm water body data files are a byproduct of the data editing performed by the national geospatialintelligence agency nga to produce the finished srtm digital terrain elevation data level 2 dted 2. These files have been processed to fill data voids and there is a corresponding kmz file which contains a 90meter index for growing srtm data. Srtm data, in hgt format, can be downloaded from here, but for some mountain and desert areas there are nodata void and phase unwrapping error areas. Srtm consisted of a specially modified radar system that flew onboard the space shuttle endeavour during an 11day mission in february of 2000. The mission collected elevation data from 56s to 60n and was the. Learn how easy it is to search and download freely available shuttle radar topographic mission srtm dems, that were collected in february 2000. The data can be downloaded in the download srtm section under the open database license or ccbysa license. Digital elevation model is a 3d representation of a terrain.
The srtm mission mapped the structure of the earth. Nasa shuttle radar topography mission srtm datasets result from a collaborative effort by the national aeronautics and space. 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. Access digital elevation data about australias landforms and seabed, which is crucial for addressing the impacts of climate change, disaster management, water security, environmental management, urban planning and infrastructure design. We would like to show you a description here but the site wont allow us. The shuttle radar topography mission produced the first detailed elevation model of most of the world. Opentopography shuttle radar topography mission srtm. Srtm v3 terrain data in visualyse 4 page you should then be all set to create new terrain regions. The land processes distributed active archive center lp daac is responsible for the archive and distribution of the nasa making earth system data records for use in research environments version srtm, which includes the global 1 arc second 30 meter product. The gmted2010 product suite contains seven new raster elevation products for each of the 30, 15, and 7. Openstreetmap data was used to correct the height values for forested and built up areas.
The short answer is the srtm data tends to include land cover in its data elevations are the tops of the tree canopy or built up areas, where the ned data tends to be bare earth. For further information, contact lp daac user services. You have now configured pathloss 5 for srtm terrain data. Railworks america downloading dem srtm terrain data. A variety of images have been created with data from the shuttle radar topography mission and are available on jpls planetary photojournal. The new data are available for download from the usgs eros data center see public data distribution for details. Srtm30 global data on a 1 km resolution can be downloaded directly from the srtm ftp site. Files are named according to latitude and longitude nw corner. This tutorial will discuss how to download srtm elevation data directly in qgis using srtm downloader plugin. Here you will find how to download digital terrain data and create contour map. The srtm water body data files are a byproduct of the data editing performed by the national geospatialintelligence agency nga to produce the finished srtm digital terrain elevation data level 2 dted 2. Shuttle radar topography mission srtm the srtm mission began in 2000 as a joint venture between nasa and nga to use a modified radar system onboard the space shuttle endeavour to acquire reflective surface elevation data for over 80 percent of the earths land mass. The us government recently relaxed the distribution restrictions on the data, making 30m 1 arc second dems available. 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.
Apr 19, 2019 these files have been processed to fill data voids and there is a corresponding kmz file which contains a 90meter index for growing srtm data. We dont have to do hectic work like this as webgis provides us with readymade digital elevation data. May 27, 2018 how to download free dem digital elevation model 10 meters by global mapper. See the africa image above and its caption at the pia04965.
These maps are ready for download in various formats, to facilitate your modeling. The links are connected directly to the nasa site courtesy of nasangausgs. Global multiresolution terrain elevation data 2010. Mar 03, 2020 this is the third release in the series providing access to additional nasa srtm version 3. But heres a usgs earth explorer download guide to help you get started. Documentation for the shuttle radar topography mission srtm.
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