Stream order from a digital elevation model dem using. I want to download high resolution dem data, ideally srtm 30 m resolution for 120 countries. The srtm 1 arcsecond global data offer worldwide coverage of void filled data at a resolution of 1 arcsecond 30 meters and provide open distribution of this highresolution global data set. Processing of data resulted in most complete nearglobal highresolution and high elevation accuracy database of the earth.
Apr 08, 2014 the shuttle radar topography mission srtm obtained 90 meter 3 arcsecond resolution data on a nearglobal scale between 56 degrees south and 60 degrees north latitude and 30 meter 1 arcsecond resolution over united states, providing a valuable global topographic dataset. The data could be downloaded under the open database license. Download srtm 30m digital elevation models for free pci geomatics. 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. Enhanced shuttle land elevation data srtm 30 meters now. Alos global digital surface model alos world 3d 30m. So the aster data fills holes in the srtm data and extends the northern and southern extents an extra 20 degrees. Srtm elevation data of the earths land surface are available with data points posted every 1 arc second for global coverage. 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 obtained elevation data on a nearglobal scale to generate the most complete highresolution digital topographic database of earth.
A global 1km resolution land surface digital elevation model dem derived from united states geological survey usgs 30 arcsecond srtm30 gridded dem data created from the nasa shuttle radar topography mission srtm. May 27, 2015 download srtm 30m digital elevation models for free pci geomatics. For manual bulk downloads, a geojson indexing dem file names lives here. 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. I have a buffer area of 100km from the coastline and only require the data for these areas. Usgs eros archive digital elevation shuttle radar topography. The shuttle radar topography mission srtm is a tremendous resource because of its high accuracy and its consistency as a snapshot of earths surface, acquired over just 10 days during february 2000. Shuttle radar topography mission srtm gl1 global 30m ellipsoidal. 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 srtm30 obtained elevation data on a nearglobal scale to generate the most complete highresolution digital topographic database of earth. Tutorial download data srtm dari usgs rahmad hidayatullah.
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. Click on yellow tiles to download their corresponding data. Sean buckley, nasas jet propulsion laboratory 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 processing improvements, elevation control, voidfilling and merging with data unavailable at. Navigate directly to the url for data access and download. Dec 03, 2014 digital elevation model covering the same area that the vesuvius image, and with the same pixel size. 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. Srtm was a primary component of the payload on the space shuttle endeavour during its sts99 mission. 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. There are numerous elevation datasets with global or nearly global coverage, but by far the most significant is srtm.
Data are available at 3 arcsecond 90 m resolution globally, and also at 1 arc. Then to top it off, i applied the nasa blue marble image on top of the whole thing. Download srtm 30m digital elevation models for free. Srtm global digital elevation model south east, one of six data sets represents an elevation map between 60 degrees north and 56 degrees south latitude of the world from the nasanga shuttle radar topography mission srtm data sets from the u. 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. Mar 01, 2019 global geographic elevation data made easy. Srtm was a specially designed mission of the endeavour space shuttle, with a specially built sensor antenna, and aimed to. This regulation establishes registration and licensing conditions for gmescopernicus users. Srtm elevation data is an effort to provide digital elevation model dem at global scope with highest resolution 30 m. The data could be visualised in 3d with the virtual terrain software. 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. This data represents the 30 meters digital elevation model dem from shuttle radar topography mission srtm. However, these packages provide the srtm 90 m resolution. Elimination of the voids in the nasa srtm dem was the primary goal of a project.
In november 20 nasa released version 3 of the srtm data. Shuttle radar topography mission srtm 1 arcsecond global elevation data at a resolution of 1 arcsecond 30 meters are now available for europe and africa on the geosoft public dap server download a windowed selection from dap. It appears that the global 1arcsecond 30m srtm digital elevation model is now being made publicly available through, for example, the united states. Users should be aware that these data are intended for use with a geographic information system gis or other special application. Please see the linked pdf files for further documentation. Srtm1 available for usa with 1 spatial resolution approx. The shuttle radar topography mission srtm, see farr et al. Usgs eros archive digital elevation global 30 arcsecond. Apr 26, 2017 tutorial download data srtm dari usgs rahmad hidayatullah. Srtm consisted of a specially modified radar system that flew onboard.
You can download the aster dem data for free from the usgs. Shuttle radar topography mission srtm 1 arcsecond global elevation data at a resolution of 1 arcsecond 30 meters are now available for europe and africa on the geosoft public dap server. A free dataset created by combining data from many sources, including gapfilling srtm, and sheets of contour maps. Downloading 30meter srtm from the tile downloader site is as. 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. Srtm dem data is being housed on the usgs earth explorer. Srtm global digital elevation model nc state university. Gtopo30 data are used for high latitudes where srtm data are not available. Shuttle radar topography mission srtm gl1 global 30m.
The shuttle radar topography mission srtm wikipedia article is a nasa mission conducted in 2000 to obtain elevation data for most of the world. Note that any download policies of the respective providers apply. 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. Free 30meterresolution elevation data for most of the world.
The global 1arcsecond 30 m srtm digital elevation model is free and made available publicly a through the united states geological surveys earthexplorer site. Learn how easy it is to search and download freely available shuttle radar topographic mission srtm dems, that were collected in. Srtm 1 arcsecond global digital object identifier doi number. Usually the srtm data can be downloaded from usgs earth explorer or nasa earth data server. This processor transformed the radar echoes into strips of digital elevation data, one strip for each of the or so data swaths.
We would like to show you a description here but the site wont allow us. In the next post we will compute grids of aspect and slope from this dem. Srtm consisted of a specially modified radar system that flew onboard the space shuttle endeavour during an 11day mission in february of 2000. Srtm consisted of a specially modified radar system that flew on board the space.
The purpose of srtm was to generate a nearglobal digital elevation model dem of the earth using radar interferometry. Access to data is based on a principle of full, open and free access as established by the copernicus data and information policy regulation eu no 115920 of 12 july 20. If youre interested in images and visualizations created from srtm data, go to the image product description page. I then added a 30 arcsecond global bathymetry layer. If you want to download srtm data, those data are available at the us geological surveys eros data center for download. Derek watkins has created a simple and easy to use interface for downloading 30meter srtm data. This srtm v3 product srtm plus is provided by nasa jpl at a resolution of 1 arcsecond approximately 30m. 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. Usgs eros archive digital elevation shuttle radar topography mission srtm. Srtm xsar digital elevation model dem 10 mosaics global abstract. Download 30meter srtm data easily with this point and click. The global 1arcsecond 30m srtm digital elevation model is free and made available publicly a through the united states geological surveys earthexplorer site. How to download srtm elevation data in qgis geodose.
The shuttle radar topography mission srtm is an international research effort that obtained digital elevation models on a nearglobal scale from 56s to 60n, to generate the most complete highresolution digital topographic database of earth prior to the release of the aster gdem in 2009. Jul 25, 2019 the shuttle radar topography mission srtm obtained elevation data on a nearglobal scale to generate the most complete highresolution digital topographic database of earth. I merged this data with the 3 arcsecond version of the global srtm elevation data. Apr 20, 2015 this data represents the 30 meters digital elevation model dem from shuttle radar topography mission srtm. The srtm 1 arcsecond global 30 meters data set will be released in.
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. This dataset was derived through mosaicking of individual srtm tiles for a particular country and clipping the mosaicked tiles using the country boundary extent. Aster gdem boasted a global resolution of 90 meters with a resolution of 30 meters in the. The srtm digital elevation data provided on this mirror has been. Care should be taken when using srtm data in areas with extreme topographical change as there are still data voids in some of these areas. Digital elevation data with srtm voids filled using. Srtm digital elevation data 30m earth engine data catalog. There is a new, 30 meters resolution srtm dtm coming out. Apr 19, 2019 derek watkins has created a simple and easy to use interface for downloading 30meter srtm data.
Global bathymetry and elevation digital elevation model. Immediately following the presidents speech, esri announced that it will enhance its existing world elevation map to include this more detailed 1 arcsecond 30 meters srtm data, making the data available to its customers and others around the world. Srtm shuttle radar topography mission center for earth. 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. Download srtm 30m digital elevation models for free duration. 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. I am aware of downloading dem data using the raster and elevatr packages.
Download srtm 30m digital elevation models for free youtube. Click on the srtm30 tile to download the digital elevation map dem from the place you select. 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 set is a global digital surface model dsm with horizontal resolution of approximately 30 meters basically 1 arcsecond by the panchromatic remotesensing instrument for stereo mapping prism, which was an optical sensor on board the advanced land observing satellite alos. This will add to the rich data offerings already available to esri customers through arcgis online, and will help our users. For the older and coarser 90meter data, try this downloader. 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. This tutorial will discuss how to download srtm elevation data directly in qgis using srtm downloader plugin. Srtm 30 m resolution download by country function or.