Srtm digital elevation data 30m earth engine data catalog. Mar 15, 2017 shuttle radar topography mission srtm. We dont have to do hectic work like this as webgis provides us with readymade digital elevation data. This srtm v3 product srtm plus is provided by nasa jpl at a resolution of 1. This srtm v3 product srtm plus is provided by nasa jpl at a resolution of 1 arcsecond approximately 30m. The glcf is also a convenient way to browse and download srtm data, in geotiff format for more information, see the glcf srtm page. Download digital terrain dem digital elevation model and. Free for all nearglobal 30meter srtm elevation data apollo. More and more dem data sets are published under free licenses or as public domain. You can do it manually or simply just add a data into qgis map canvas. The shuttle radar topography mission srtm data products result from a collaborative mission by the national aeronautics and space administration nasa, the national imagery and mapping agency nima, the german space agency dlr and italian space agency asi, to generate a nearglobal digital elevation model dem of. Since srtm data are one of the most widely used elevation data sources, the.
Free 30meterresolution elevation data for most of the world. The shuttle radar topography mission srtm was flown aboard the space shuttle endeavour february 1122, 2000. The dem represents ground surface topography, and excludes vegetation features. Download srtm data the data could be downloaded under the open database license. 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.
How to download srtm elevation data in qgis geodose. 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. Apr 08, 2014 the srtm data were collected during an 11day mission in february of 2000 from a radar system onboard the space shuttle endeavor. Webgis is where you can find all the leading information and resources for geographical information systems. Opendem the portal for sharing free digital elevation models and xyz height datasets. Feb 18, 2020 our objective is to provide the scientific and civil communities with a stateoftheart global digital elevation model dem derived from a combination of shuttle radar topography mission srtm processing improvements, elevation control, voidfilling and merging with data unavailable at the time of the original srtm production. Download srtm 30m digital elevation models for free.
Any download policies of the respective mirrors apply. I created a global version of the aster data at a 5 arcsecond resolution that extends from 80 north lat to 80 south lat. Feb 19, 2019 in this video, i have clearly shown the steps required to download 30m and 90m resolution srtm digital elevation model data from opentopography. I would recommend you to visit the eartexplorer as your first place to obtain the digital elevation model data. Nasa shuttle radar topography mission srtm version 3. This interface attempts to ease the pain of downloading 30meter resolution elevation data from the shuttle radar topography mission. Usgs eros archive digital elevation shuttle radar topography. Please see the linked pdf files for further documentation. Tiles come as zipped srtmhgt files at 1arcsecond resolution 3601x3601 pixels in a latitude. This data is provided in an effort to promote the use of geospatial science and applications for sustainable development and. The global 1arcsecond 30m srtm digital elevation model is free and made available publicly a through the united states geological surveys earthexplorer site. 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. The shuttle radar topography mission srtm wikipedia article is a nasa mission conducted in 2000 to obtain elevation data for most of the world. Gmted2010 is a suite of seven raster data products.
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. Free synthetic aperture radar handbook available for download. It is generated by collecting elevation points of terrain. The shuttle radar topography mission srtm obtained elevation data on a nearglobal scale to generate the most. The shuttle radar topography mission srtm, see farr et al. For example, in this case i added a world satellite imagery image from esri web map server. The shuttle radar topography mission srtm obtained 90 meter 3 arcsecond resolution data on a nearglobal scale between 56 degrees.
Free satellite data, satellite imagery, digital elevation models dems, topographic maps and free software links. 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. But heres a usgs earth explorer download guide to help you get started. Free sample srtm shuttle radar topography mission back description. I merged this data with the 3 arcsecond version of the global srtm elevation data. See this tutorial how to add satellite imagery in qgis. 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. Download 30meter srtm data easily with this point and click. It also happens to offer their version 4 srtm which has the gaps filled. Nov 30, 2011 this new elevation data called global multiresolution terrain elevation data 2010 gmted2010, replaces the thirty year old gtopo30 terrain model.
Be sure to select data sets from the row of tabs on the top left of the screen, then scroll down to digital elevation, then srtm and finally select the srtm 1 arcsecond global dataset. Shuttle radar topography mission data were used to generate digital elevation data with a resolution of 1 arcsecond for the united states and 3 arcseconds for global coverage. You will have world satellite imagery as in figure 2. The announcement was made at the united nations heads of state climate summit in new york. Global multiresolution terrain elevation data 2010. 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. On february 2000 special modified radar flew for 11 day using two antennas and a single pass. The ocean color extends beneath land areas as a flat tintmask it with the 10m natural earth vector shoreline, or a shoreline from another data source. For additional conversion details feel free to contact us. Grayscale shaded relief of land areas only derived from downsampled srtm plus elevation data clipped to the 10 millionscale natural earth coastline. 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.
Updated version of global elevation data nasadem arab. The srtm project was led by the national geospatialintelligence agency nga and nasa. We would like to show you a description here but the site wont allow us. How to download 30m and 90m resolution srtm digital elevation. Nasadem is a nearglobal elevation model that is being produced primarily by completely reprocessing the shuttle radar topography mission srtm radar data and then merging it with refined aster gdem elevations. 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. 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. Mapping the earth the shuttle radar topography mission. Download srtm 30m digital elevation models for free youtube. Free digital elevation model dem and free satellite data. The mission collected elevation data from 56s to 60n and was the highest. 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. There is a new, 30 meters resolution srtm dtm coming out. Download 30meter srtm data easily with this point and click interface.
Be sure to select data sets from the row of tabs on the top left of the screen, then scroll down to digital elevation, then srtm and finally select. Srtm water body data swbd shapefile accompanying the srtm data slater et al. 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. Free for all nearglobal 30meter srtm elevation data. Srtm 90m digital elevation database cgiar big data platform. The national aeronautics and space administration nasa. The nasa shuttle radar topographic mission srtm has provided digital elevation data dems for over 80% of the globe. So the aster data fills holes in the srtm data and extends the northern and southern extents an extra 20 degrees. Geodata 9 second dem version 3 geoscience australia, 2008 used to fill voids. To download srtm elevation data, firstly we have to define a location extent. Until my next edition of the free for all, happy hunting for free geospatial goodies. Earth engine is free to use for research, education, and nonprofit use. Digital elevation model is a 3d representation of a terrain. The nasa srtm obtained elevation data on a nearglobal scale using radar interferometry.
Srtm dem data is being housed on the usgs earth explorer. The data could be visualised in 3d with the virtual terrain software. Geoscience australia, 1 second srtm digital elevation model. Under the data sets tab, select digital elevation srtm srtm 1arcsecond global. How to obtain srtm data for a specific area for free. If you want to download srtm data, those data are available at the us geological surveys eros data center for download. 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. Navigate directly to the url for data access and download. This makes the file size several times larger than a well. Prior to release of the aster data, srtm was the one of the free dem available on the market. 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.
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