90m srtm data download

The data is published for download here, but its sliced into thousands of small files, and i dont see an ftp option for more efficient downloading. Srtm did not produce data for the northernmost latitudes or antarctica. I am aware of downloading dem data using the raster and elevatr packages. I made this script to download an arbitrary region that can be reprojected. Shuttle radar topography mission srtm nonvoid filled usgs. The areas where we processed the data with the void filling algorithm are stored iin the mask data are in. Earn 10 reputation in order to answer this question.

The shuttle radar topography mission srtm, see farr et al. 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. How to download srtm elevation data in qgis geodose. The difference in elevation, when compared to a bare earth dem is assigned to the clutter height. For more information concerning the tandemx 90m dem, the. With the function getdata you can download the following data directly into r and process it. 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. For example, in this case i added a world satellite imagery image from esri web map server. The shuttle radar topography mission srtm obtained elevation data on a nearglobal scale to generate the most complete highresolution digital topographic database of earth. Its not easy to download it, although certain web sites give tools to do it.

Click on the srtm30 tile to download the digital elevation map dem from the place you select. The cgiarcsi geoportal is able to provide srtm 90m digital elevation data for the entire world. Note that any download policies of the respective providers apply. The shuttle radar topography mission srtm obtained 90 meter 3 arcsecond resolution data on a nearglobal scale between 56 degrees. The entire dataset 90m world or 30m us is very large originally, it. If youre interested in images and visualizations created from srtm data, go to the image product description page.

This version of the srtm digital elevation data has been processed to fill data voids, and to. 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. The shuttle radar topography mission srtm digital elevation dataset was originally produced to provide consistent, highquality elevation data at near global scope. To download srtm elevation data, firstly we have to define a location extent. These data have been processed and merged to provide continuous coverage of 91% of the globe. This srtm v3 product srtm plus is provided by nasa jpl at a resolution of 1 arcsecond approximately 30m. Create slope and hillshade map for digital elevation model srtm raster data in arcgis 10. You can do it manually or simply just add a data into qgis map canvas. 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.

Srtm 30 m resolution download by country function or. The objective of the srtm mission is to obtain elevation radar data on a. You will find at this site elevation data stored in the directories. The tandemx 90m dem is a product variant of the global digital elevation model dem acquired in the frame of the german tandemx mission between 2010 and 2015, and has a reduced pixel spacing of 3 arcseconds 90m at the equator. Srtm data have been enhanced to fill areas of missing data to provide digital elevation data with a resolution of 1 arcsecond for global coverage.

If you want to download srtm data, those data are available at the us geological surveys eros data center for download. How to download 30m and 90m resolution srtm digital. The srtm data have undergone a sequence of processing steps resulting in several data versions having slightly different characteristics. Srtm consisted of a specially modified radar system that flew on board the space shuttle endeavour.

The raster package is not only a great tool for raster processing and calculation but also very useful for data acquisition. Kenya digital elevation model 90m resolution datasets data. You will have world satellite imagery as in figure 2. Srtm 90m digital elevation database cgiar big data platform. Any download policies of the respective mirrors apply. I would like to add that the srtm dem is originally 90m 3 arc sec 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. However, these packages provide the srtm 90 m resolution. This data is provided in an effort to promote the use of geospatial science and applications for sustainable development and. This information page gives an overview about the basic products specifications of the tandemx dem product, about the tandemx mission, explains how to register, and how to download the tandemx 90m data sets, which license terms for the use of the data have to be considered, and comprises basic compatibility issues, which might arise when.

This is the third release in the series providing access to additional nasa srtm version 3. Srtm 90 elevation data with 90m resolution between latitude 60 and 60 world climate data tmin, tmax, precip, bioclim. 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. For further information, contact lp daac user services. See this tutorial how to add satellite imagery in qgis. The data does not incluse the shetland islands as srtm data becomes unreliable at 60n. The shuttle radar topography mission srtm was flown aboard the space shuttle endeavour february 1122, 2000. 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. In this video, i have clearly shown the steps required to download 30m and 90m resolution srtm digital elevation model data from opentopography. Shuttle radar topography mission srtm gl3 global 90m. 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. Its january 1st and i made the new years resolution to post more this year. The dem represents ground surface topography, and excludes vegetation features.

Global spatiallydisaggregated crop production statistics data for 2010. Srtm digital elevation data 30m earth engine data catalog. 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. Please see the linked pdf files for further documentation. Nasa shuttle radar topography mission srtm version 3. The srtm digital elevation data, produced by nasa originally. Srtm digital elevation data version 4 earth engine data. The data are available for download via earthdata search, the lp daac data pool and the global data explorer. The data distributed here are in ehdr format, unprojected and referenced to the wgs84 geodetic datum. The srtm digital elevation data, produced by nasa originally, 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. The srtm x sar dem was generated at dlr from this instruments data using radar interferometry technique. Openstreetmap data was used to correct the height values for forested and built up areas.

The data can be downloaded in the download srtm section under the open database license. The data was acquired simultaneously from aboard the space shuttle endeavor employing two sar antennas, one inside the space shuttles cargo bay, the other at. The national aeronautics and space administration nasa and the national geospatial. This shuttle radar topography mission srtm dem was created from level 1 data which was cleaned and had holes patched. Free for all nearglobal 30meter srtm elevation data. All are produced from a seamless dataset to allow easy mosaicing. 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. I want to download high resolution dem data, ideally srtm 30 m resolution for 120 countries. I recommend the alospalsar dem which is as fine as 12. Srtm shuttle radar topography mission are the most popular datasets on the geosoft dap server.

These grids make a great base group on a regional scale map or a relief surface to drape other data on in 3d. Nepal digital model elevation dem humanitarian data. The new data are available for download from the usgs eros data center see public data distribution for details. We would like to show you a description here but the site wont allow us. One of them, the srtm 90m dem digital elevation database, allows to do it in 5x5 degrees tiles. 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 data is presented in osgb coords and is free to use and distribute. Srtm consisted of a specially modified radar system that flew onboard the space shuttle endeavour during an 11day mission in february of 2000.

In addition, the different naming conventions used by the nga and nasa can lead to some confusion. 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. Gb srtm digital elevation model dem 90m edinburgh datashare. See an index map of the newly available fullresolution data. So here is a short tutorial on how to download srtm s huttle radar topography mission 90m resolution data 3 arc seconds for an entire country using the raster and rgeos r packages basics download single srtm tile. Download and clip a portion of the srtm 30m dem giving bounding box as wgs84 coordinates. The nasa shuttle radar topographic mission srtm has provided digital elevation data dems for over 80% of the globe. Hdx data manager updated the dataset nepal digital model elevation dem over 5 years ago dita anggraeni added the tag eq2015000048npl to the dataset nepal digital model elevation dem over 5. Srtm 90m digital elevation data from the chiar consortium for spatial information. 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. This version of the srtm digital elevation data has been processed to fill data voids, and to facilitate its ease of use. There are 2 ways that srtm data can be used with pathloss 5.