The dem data on this site are version 3 of the csi srtm data with included improved clipping of shorelines using the srtm water bodies data swbd, and improved interpolation of voids areas using high resolution auxiliary data for us, canada, mexico, europe, australia, new zealand and gtopo30 global topographic data for other areas. The great artesian basin gab is one of australias most significant hydrogeological entities covering more than 1. Earn 10 reputation in order to answer this question. Shuttle radar topography mission 1arc second global. This is a commonly used format that can be directly used in arcanything, divagis, and many other programs. See this tutorial how to add satellite imagery in qgis. 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. Enhanced datasets for mountain areas by panorama viewfinders. The great artesian basin gab is one of australia s most significant hydrogeological entities covering more than 1. Digital elevation data which describes australias landforms and. This dataset and its metadata statement were supplied to the. Does anyone have any other srtm sources i could try for the usa please. I recommend the alospalsar dem which is as fine as 12.
For further information, contact lp daac user services. National elevation data framework digital elevation data which describes australia s landforms and seabed is crucial for addressing issues relating to the impacts of climate change, disaster management, water security, environmental management, urban planning and infrastructure design. See the africa image above and its caption at the pia04965. You can use programs such as 7zip, pkzip or stuffit to decompress the files. Srtm used the same radar instrument that comprised the spaceborne imaging radarcxband synthetic aperture radar sircxsar that flew twice on the space shuttle endeavour in 1994. The australian dem dems, which is a cleaned and smoothed version of srtm 1 arc sec, is courtesy of geoscience australia, while the asia. Geoscience australia no longer supports users external hard drives. We say tends because there are variables, especially when dealing with trees. Covers australia, new zealand including auckland islands and macquarie island, pngirian jaya, indonesia, malaysia, philippines, taiwan, japan, korea, micronesia, solomon islands, new caledonia, vanuatu, fiji islands and all other pacific islands except the hawaiian islands. The nasa srtm obtained elevation data on a nearglobal scale using.
Global elevation data evaluation and basemaps bigdata earth. Srtm consisted of a specially modified radar system that flew on board the space. By early 2004, 3 data for north america, south america, eurasia, africa, australia, and islands was available. For example, in this case i added a world satellite imagery image from esri web map server. Nasa shuttle radar topography mission srtm version 3. Height data from these sites or data files in the same formats are supported.
The 1 second products are derived from the shuttle radar topography mission srtm data and include a cleaned digital surface model dsm, a bareearth digital elevation model dem, a smoothed digital elevation model dems and a. National coverage is available at 1 second 30m, 3 second 90m and 9 second 250m resolution. The data can either be downloaded from the elvis portal or from. Data can be downloaded at no charge but note that there is a 15gb limit per request please check the file size before you download your files.
The files have been compressed and grouped in zip files. Data were produced by nasa from radar data collected by the shuttle radar topography mission in february 2000. In addition, the different naming conventions used by the nga and nasa can lead to some confusion. The 3 second 90m shuttle radar topographic mission srtm digital elevation model dem version 1. National elevation data framework geoscience australia. The difference in elevation, when compared to a bare earth dem is assigned to the. Srtm dem data is being housed on the usgs earth explorer.
This mesh is processed from srtm data versions 3 and 4. The eudem is a hybrid product based on srtm and aster gdem data fused by a weighted averaging approach and it has been generated as a contiguous dataset divided into 1 degree by 1 degree tiles, corresponding to the srtm naming convention. See an index map of the newly available fullresolution data. 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. The results indicate that the two datasets showed strong. 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. I would like to add that the srtm dem is originally 90m 3 arc sec data. Free digital elevation model dem and free satellite data. 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. 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. 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. Users should be aware that these data are intended for use with a geographic information system gis or other special application. 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. Mar 03, 2020 nasa shuttle radar topography mission srtm version 3.
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. Second argument optional specifies from which tile. But heres a usgs earth explorer download guide to help you get started. Digital elevation data which describes australias landforms and seabed is crucial for addressing issues relating to the impacts of climate change, disaster management, water. By early 2004, 3 data for north america, south america, eurasia, africa, australia. Vertical accuracy assessment for srtm and aster digital. Fsx srtm mesh for australia scenery fly away simulation. Access to the data is governed by the draft delegated regulation on copernicus data and information policy. Usgs eros archive digital elevation global 30 arcsecond. Srtmderived 1 second digital elevation models version 1.
Srtm data is collected by using a stereo radar scan of the earths surface. The authors used the latest data available, fixing all voids where possible. This strm mesh will update your fsx default mesh giving you a much. Geoscience australia, 3 second srtm digital elevation model dem v01. The data are available for download via earthdata search, the lp daac. Australia s future safety, prosperity and sustainability depends on making informed policy and investment decisions that meet the needs of today, and the decades ahead. Elevation geospatial gis, spatial data and map resources. The data are available for download via earthdata search, the lp daac data pool and the global data explorer.
Under the data sets tab, select digital elevation srtm srtm 1arcsecond global. If youre interested in images and visualizations created from srtm data, go to the image product description page. If you want to download srtm data, those data are available at the us geological surveys eros data center for download. Geoscience australia, 1 second srtm digital elevation model. For the study area, the 30 m srtm elevation data featured a much greater absolute vertical accuracy than the absolute vertical accuracy value of 16 m published in the srtm data specification. Geological survey and the national geospatialintelligence agency have released an updated and more accurate global elevation model that pulls data from digital terrain elevation data dted from the shuttle radar topography mission srtm.
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. The 1 second products are derived from the shuttle radar topography mission srtm data and include a cleaned digital surface model dsm, a bareearth digital elevation model dem, a smoothed digital elevation model dems and a hydrologically enforced. Geodata 9 second dem version 3 geoscience australia, 2008 used to fill voids. This is the third release in the series providing access to additional nasa srtm version 3. The demh captures flow paths based on srtm elevations and mapped stream lines, and supports delineation of catchments and related hydrological attributes. There are 2 ways that srtm data can be used with pathloss 5. As a result the data tends to include the trees and buildings as these would be what reflects the radar signal. Click on the srtm30 tile to download the digital elevation map dem from the place you select. Imports data from the nasa shuttle radar topography mission into a postgis database and other databases in the futue. The shuttle radar topography mission srtm wikipedia article is a nasa mission conducted in 2000 to obtain elevation data for most of the world. This srtm mesh will update your fsx default mesh giving you a much better resolution. Srtm elevation data can be downloaded from the united states geological surveys earthexplorer website. 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. Space images srtm data release for eurasia, index map.
Oceania asia srtm terrain scenery all parts for fsx. The shuttle radar topography mission srtm was flown aboard the space shuttle endeavour february 1122, 2000. Opendem the portal for sharing free digital elevation models and xyz height datasets. Australias future safety, prosperity and sustainability depends on making informed policy and investment decisions that meet the needs of today, and the decades ahead. The gab contains a vast volume of underground water and is the largest groundwater basin in australia. Usgs eros archive digital elevation shuttle radar topography mission srtm 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. The dem data on this site are version 3 of the csisrtm data with included improved clipping of shorelines using the srtm water bodies data swbd, and improved interpolation of voids areas using high resolution auxiliary data for us, canada, mexico, europe, australia, new zealand and gtopo30 global topographic data for other areas. Free satellite data, satellite imagery, digital elevation models dems, topographic maps and free software links. 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.
The new data are available for download from the usgs eros data center see public data distribution for details. 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. Geoscience australia, 1 second srtm digital elevation model dem. National elevation data framework digital elevation data which describes australias landforms and seabed is crucial for addressing issues relating to the impacts of climate change, disaster management, water security, environmental management, urban planning and infrastructure design. Elevation data used in this image was acquired by the shuttle radar topography mission srtm aboard the space shuttle endeavour, launched on february 11, 2000. The dataset was derived from the 1 second smoothed digital elevation. Shuttle radar topography mission data was first released in early. You can do it manually or simply just add a data into qgis map canvas. Each shapefile consist of at least three actual files. To download srtm elevation data, firstly we have to define a location extent. While there are many free versions available in the public.
Digital elevation data which describes australia s landforms and seabed is crucial for addressing issues relating to the impacts of climate change, disaster management, water. You will have world satellite imagery as in figure 2. Download and clip a portion of the srtm 30m dem giving bounding box as wgs84 coordinates. Ive tried this on a different machine with a different internet connection and get the same result. The version we will be using is the 1 arcsecond global srtm dataset, an enhanced 30 meter resolution dem that was released last year. The srtm data have undergone a sequence of processing steps resulting in several data versions having slightly different characteristics. Srtm water body data swbd shapefile accompanying the srtm data slater et al. Srtm water body data swbd shapefile accompanying the. Bioregional assessment program created 21032016 updated 12112019. Srtm did not produce data for the northernmost latitudes or antarctica. Please see the linked pdf files for further documentation. This makes the file size several times larger than a well. National digital elevation data the location information. This filter will only be applied to data sets that support cloud cover filtering in the data set list denotes cloud cover support.
1189 642 949 594 141 214 1313 1294 324 536 668 1265 168 7 1049 1531 771 211 1488 1135 101 94 266 58 1305 1011 1028 905 1201 454 1086 491 225 1220 917 1061 1009 1192 831