Nasa has released version 2 of the shuttle radar topography mission digital topographic data also known as the finished version. Nasa shuttle radar topography mission v3 global 1 arc second hillshade image of the mt everest regionthe land processes distributed active archive center recently released additional tiles in the nasa srtm version 3. Usually the srtm data can be downloaded from usgs earth explorer or nasa earth data server. 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 thread i will try to explain how to serve srtm elevations using nasa worldwind wms. How to configure srtm elevations in worldwind wms the nasa.
Combining the nasa srtm version 2 92m dem with national atlas ned 30m to recover missing data. Shuttle radar topography mission srtm cband radar xband radar. The new data are available for download from the usgs eros data. Nasa shuttle radar topography mission water body data. The data represent the average of the years 19702000. Srtm data is usually available direct from nasas website no longer ftp. Does anybody know a ftpadress where we can download srtm1.
The 3 arc second data was derived from the 1 arc second using averaging methods. 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. Nasa s oco3 mission is ready for launch to the international space station. The nasa srtm data sets result from a collaborative effort by the national. Download the datafiles you require, and place them into your new directory. Current ww wms implementation does not use pyramid of tiles however work is in progress, we use srtm source tiles to fulfill requests. We also operate the landsat satellite program with nasa, and maintain the largest civilian collection of images of the earths land surface in existence, including tens of millions of satellite. Whenever a planet passes in front of its parent star as viewed from the spacecraft, a tiny pulse or beat is produced. How to configure srtm elevations in worldwind wms the. Shuttle radar topography mission nasa jet propulsion. 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. If youre interested in images and visualizations created from srtm data, go to the image product description page. Nasa, through agreements with the federal railroad administration, is managing, operating, and accepting reports for the railroad confidential close call reporting system c 3 rs. Srtm30 is considered an upgrade to the original gtopo30 data sets.
Free sample srtm shuttle radar topography mission back description. To get projected future climate data cmip5, you must provide arguments var and res as above. 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. Digital elevation data with srtm voids filled using. In addition to jays excellent pointers, i would recommend using the timestamping flag when downloading so you can only get files that are newer than on your file system really useful when your downloading gets interrupted additionally, using the noparent flag means that only the srtm3 directory is downloaded rather than it continuing up the tree to the other directories. How to configure srtm elevations in worldwind wms 07152009, 12. If srtm3 showed significant voids in your area, youll definitely want to give aster a shot. Any download policies of the respective mirrors apply. 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 other areas of the developing world. Shuttle radar topography mission srtm gl1 global 30m. Importing shuttle radar topography mission srtm elevation data.
Basic question about downloading srtm 3 arc resolution data. I attached a screenshot from the situation i am talking about see upper left corner. Please notify me via email with important information about eosdis science data products e. At the usgs eros center, we study land change and produce land change data products used by researchers, resource managers, and policy makers across the nation and around the world. There are numerous sources on how to do this, i have no experience with python so i cant help you there.
Releases enhanced shuttle land elevation data nasajpl. Rebuilt missing data in srtm3 using alternative source e. The nasa shuttle radar topographic mission has provided digital elevation data dems for over 80% of the globe. Download srtm 30m digital elevation models for free. It appears that the global 1arcsecond 30m srtm digital elevation model is now being made publicly available through, for example, the united states geological surveys earthexplorer site.
Its not possible to download single years but there is a possibility to download future projections of 2050 and 2070. National geospatialintelligence agency nga and the u. Create an altitude profile for cycle routes based on the freely available nasa srtm3 altitude data. The nasa srtm data files are in bigendian format, so depending on what platform you are reading the data on, you may have to do a conversion from bigendian to littleendian. Webgis geographic information systems resource gis. Geological survey usgs research physical scientists at the earth resources observation and science eros center in that he spends less time looking at the past and present, and more time peering into the future. 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 with an approximate resolution of 900 by 900 meters. Nasa shuttle radar topography mission srtm version 3. Srtm data, in hgt format, can be downloaded from here, but for some. For 11 days in february 2000, the space shuttle endeavour conducted the shuttle radar topography mission srtm using cband and xband interferometric synthetic aperture radars to acquire topographic data over 80% of the earths land mass, creating the. Recently, an updated version of the usgs gtopo30 has also been released, with.
The data will look like an ekg showing the heart beat. The user simply specifies the range of latlong values for their area of interest and the tool will download all of the. 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. The map below has been sectioned into 33 clickable regions. 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.
The shuttle radar topography mission is an international project spearheaded by the u. Nasa shuttle radar topography mission srtm datasets result from a collaborative effort by the national aeronautics and space. 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. The current srtm dem product is the most intensely downloaded dataset. Earth resources observation and science eros center. Not begin, end or contain two consecutive special characters. February 27, 2019 to provide an improved mapping of the seafloor fabric globally, we have used available sounding data along with an improved global marine gravity model. Click on the srtm30 tile to download the digital elevation map dem from the place you select. Oct 24, 2014 nasa s oco3 mission is ready for launch to the international space station. Nasa radar image shows topography of sendai, japan region full resolution. Releases enhanced shuttle land elevation data highresolution topographic data generated from nasa s shuttle radar topography mission srtm in 2000, previously only available for the united states, will be released globally over the next year, the white house announced today. This coincides with the newly processed areas released by the united states geological survey.
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. Version 2 is the result of a substantial editing effort by the national geospatial intelligence agency and exhibits welldefined water bodies and coastlines and the absence of spikes and wells single pixel errors. The srtm swaths extended from 30 degrees offnadir to 58 degrees offnadir from an altitude of 233 kilometers km, creating swaths. From the repeated beats we can detect and verify the existence of earth. The combine layer operation is globalmapper was minimum. Land resources, earth resources observation and science eros center. National aeronautics and space administration nasa. Get the latest updates on nasa missions, watch nasa tv live, and learn about our quest to reveal the unknown and benefit all humankind. Coverage map for srtm void fill data from linked coverage map of elevation data from. If it is that srtm3 data dld via gm isnt sure to be srtm3, it would be wise not to reference it as such. Satellite geodesy, igpp, sio, ucsd global topography. Data fusion of shuttle radar topography mission srtm land topography with measured and estimated seafloor topography ncei accession 0150537 metadata updated.
Aug 23, 2006 download the datafiles you require, and place them into your new directory. If you want to download srtm data, those data are available at the us. This tutorial will discuss how to download srtm elevation data directly in qgis using srtm downloader plugin. For more information on this dataset visit the lp daac nasa shuttle radar topography mission global 1 arc second page. The land processes distributed active archive center lp daac is responsible for the archive and distribution of nasa making earth system data records for use in research environments srtm, which includes the global 3 arc second 90 meter product. Fra office of safety analysis users can run dynamic queries, download a variety of safety database files, publications and forms, and view current statistical information on railroad safety. 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.
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 shuttle radar topography mission srtm was flown aboard the space shuttle endeavour february 1122, 2000. The links are connected directly to the nasa site courtesy of nasa ngausgs. Nasa shuttle radar topography mission global 3 arc second. In the meantime, if the quality of the aster dem is good in your project area, it can offer a significant improvement over the 3 arcsecond srtm3 data. Hensley, 2005, an assessment of the srtm topographic. Nasa transferred the srtm payload to the smithsonian national air and space museum in 2003.
If you want to download srtm data, those data are available at the us geological surveys eros data center for download. Digital elevation data with srtm voids filled using accurate. Jun 04, 2012 the home page for usm3d can be found here nasa responsible official. Nasa s supertiger balloon flies again to study heavy cosmic particles 12. 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. Version 2 is the result of a substantial editing effort by the national geospatial intelligence agency and exhibits welldefined water bodies and coastlines and the absence of spikes and wells. This followon to oco2 brings new techniques and new technologies to carbon dioxide observations of earth from space. Srtm3 version 4 dem data bil format file downloaded from cgiarcsi, corrected data. The function includes also an automatic download of data from the usgs srtm webserver, so indicating latitude and longitude is sufficient to get the data and. Srtm data is usually available direct from nasa s website no longer ftp. The c 3 rs is expected to identify issues in the railroad system that could be addressed to provide improvements in safety. In addition to fra, stakeholders include labor organizations, railroad carriers, nasa, and the usdot volpe center.
In mac, when i run port scan on my default gateway, i am unable to find open ports i am in my university at the moment, so it may be more difficult but i will try again when i get home. For a description of the project, see the nasa jpl srtm site. Hello, i followed the instructions to have srtm 30 with bathmetry, but for oceans i allways get 32768 for elevation. This iss live stream of planet earth from space is courtesy of nasa earth viewing cameras aboard the international space station. Derek watkins has created a simple and easy to use interface for downloading 30meter srtm data. The 20192020 nasa software catalog offers hundreds of new software programs you can download for free to use in a wide variety of technical applications. Nasas got you covered, offering up every environmental science software tool they have that uses data from their earthobserving satellites. Clicking on a particular region will open a new window showing the zoomed in region in more detail. To download, right click link and select save link as. The mission is a collaboration among nasa, nga, and the german and italian space agencies. The shuttle radar topography mission is a collaborative project between nasa, the national imagery and mapping agency nima, and the german and italian space agencies to map the elevation of a large part of the globe. I recently wrote an srtm download tool that works from the free and opensource gis, whitebox geospatial analysis tools which can be downloaded here. Dec 09, 2009 hopefully, we will soon see a version 2 of the aster gdem that will address some of these issues. Srtm elevation data is an effort to provide digital elevation model dem at global scope with highest resolution 30 m.
75 685 1503 39 439 1319 1440 1052 656 1265 1066 1154 424 594 855 531 410 953 1181 1116 673 281 608 1474 661 1590 1366 1238 90 513 394 646 504 1459 161 153 163 1388 665 649