August, 2019 admin music leave a comment on srtm dem 30m free download. This dataset was derived through mosaicking of individual srtm tiles for a particular country and clipping the mosaicked tiles using the country boundary extent. The shuttle radar topography mission srtm was flown aboard the space shuttle endeavour february 1122, 2000. This image of south america was generated with data from the shuttle radar topography mission srtm. It appears that the global 1arcsecond 30m srtm digital elevation model is now being made publicly available through, for example, the united states. 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.
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. The difference in elevation, when compared to a bare earth dem is assigned to the clutter height. Download srtm 30m digital elevation models for free. Usually the srtm data can be downloaded from usgs earth explorer or nasa earth data server. The national aeronautics and space administration nasa. The dem represents ground surface topography, and excludes vegetation features. Previously srtm data at this resolution have only been available for the us and its territories. Download data srtm 3 arc second 30 meter citrasatelit. Free for all nearglobal 30meter srtm elevation data. Srtm or the shuttle radar topography mission was started 1999 onboard the endeavour and collected data for 11 days. 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. The srtm project was led by the national geospatialintelligence agency nga and nasa. Openstreetmap data was used to correct the height values for forested and built up areas. Download srtm 30m digital elevation models for free youtube.
Derek watkins has created a simple and easy to use interface for downloading 30meter srtm data. How to download aster dem 30m data for free duration. The shuttle radar topography mission srtm, see farr et al. How to download free satellite datasets dem 30m for arcgis. Shuttle radar topography mission srtm nonvoid filled usgs. Enter your email address for notification upon completion of processing. Note that any download policies of the respective providers apply. Download dem srtm 30 meter seindonesia perwilayah provinsi data srtm 30 meter ini baru direleases 23 september 2014 lalu, oleh nga, nasa dan usgs badan pemerintah milik negara amerika serikat. Srtm consisted of a specially modified radar system that flew onboard the space shuttle endeavour during an 11day mission in february of 2000. We would like to show you a description here but the site wont allow us. Perbandingan data srtm 3 arc second kiri dengan srtm 1 arc second kanan sekian tutorial download data srtm 1 arc second 30 meter di usgs via, semoga bermanfaat. In data section you will get various data sets along with srtm data of 30m resolution cite. For this broad view the resolution of the data was first reduced to 30 arcseconds about 928 meters northsouth but variable eastwest, matching the best previously existing global digital topographic data set called gtopo30. I eventually settled with 90m srtm data, but recently 30m resolution data has been made available for much of europe, asia, africa, the americas, oceania and australia.
The global 1arcsecond 30m srtm digital elevation model is free and made available publicly a through the united states geological surveys earthexplorer site. The data can be downloaded in the download srtm section under the open database license. Clicking on a particular region will open a new window showing the zoomed in region in more detail. 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. It can be considered to be either an srtm data set enhanced with gtopo30, or as an upgrade to gtopo30. Opentopography shuttle radar topography mission srtm. Srtm elevation data of the earths land surface are available with data points posted every 1. This srtm v3 product srtm plus is provided by nasa jpl at a resolution of 1. Comparing alos global digital surface model alos world 3d 30m with srtm 1 the last post with the focus on recent data for your work when it comes to.
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. The usgs has begun to distribute global shuttle radar topography mission srtm elevation data at 1 arcsecond 30m resolution. Srtm digital elevation data 30m earth engine data catalog. 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. Free for all nearglobal 30meter srtm elevation data apollo. Input gdem was rejected if more than 80 m different from srtm. Com download srtm 30 meter seluruh indonesia merupakan data untuk membuat dem digital elevasion model digunakan untuk.
Webgis geographic information systems resource gis. 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 elevation data is an effort to provide digital elevation model dem at global scope with highest resolution 30 m. Data yang tersedia untuk umum untuk wilayah di seluruh dunia adalah srtm 90, sedangkan srtm 30 hanya tersedia untuk wilayah amerika serikat. 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 can download 30m srtm data from the usgs earth explorer here. Input gdem was rejected if more than 80 m different from prism, unless input gdem num number pixel value was 3 or more. Bisa dikatakan srtm 30 meter merupakan penyempurnaan dari. Earn 10 reputation in order to answer this question. Download and clip a portion of the srtm 30m dem giving bounding box as wgs84 coordinates.
In this study, the quality of dems acquired by srtm ver. 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 the time of the original srtm. The newly released data are at onearcsecond pixel size, which is about 30 meters 98 feet, as shown in the right image. The map below has been sectioned into 33 clickable regions. Which dem data is better for elevation mapping, aster or. This data represents the 30 meters digital elevation model dem from shuttle radar topography mission srtm. Download data dem srtm resolusi 30 m rsgis indonesia.
Python script to download global terrain digital elevation models, srtm 30m dem and srtm 90m dem. Data can be downloaded using a browser or accessed directly from the ftp site. Click on the srtm30 tile to download the digital elevation map dem from the place you select. A 1 arc second data product was also produced, but is not available for all countries.
Click on yellow tiles to download their corresponding data. The reference levels produced from gps elevations, and the topographic map is used to assess the vertical accuracy of srtm and astar dems in najran city, saudi arabia. Global srtm at 30m resolution center for earth observation. 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. Arranged in tiles that are 1 degree latitude by 1 degree longitude, shuttle radar topography mission srtm data was acquired over a 11day.
Heres where to find digital elevation model dem and other base data online. You can download and clip a portion of the srtm 30m dem with one command with the elevation python command line tool. Any download policies of the respective mirrors apply. As the orbit of the shuttle was not circumpolar but sinusoidal it was only possible to cover a small portion of the earth surface. Shuttle radar topography mission srtm menyediakan dem global dengan resolusi horizontal yang terbagi menjadi dua, yaitu 1 arcdetik atau srtm 30m dan 3 arcdetik atau srtm 90m. The us government recently relaxed the distribution restrictions on the data, making 30m 1 arc second dems available. Satellite geodesy, igpp, sio, ucsd global topography. The links are connected directly to the nasa site courtesy of nasangausgs. Shuttle radar topography mission srtm gl1 global 30m.