Wle water, land and ecosystems crp data, metrics and monitoring in cgiar a strategic study iv. Accuracy assessment of the processed srtmbased elevation data by cgiar using field data from usa and thailand and its relation to the terrain characteristics y. Information cgiarcsi and is available online through the cgiarcsi download database 38. 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. 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. Cgiar srtm is a heavily edited version of the original srtm 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. Plugin for blender written in python, used to import srtm shuttle radar topography mission data as a mesh. If you want to download srtm data, those data are available at the us.
Click on the srtm30 tile to download the digital elevation map dem from the place you select. These advantages make cgiarcsi srtm data product a. Accuracy assessment of the processed srtmbased elevation. The dataset covers most of the globe, except polar regions, i. Any download policies of the respective mirrors apply. 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. Cgiar csi is one of the community of practices supported by the cgiar platform for big data in agriculture. Consortium for spatial information cgiarcsi website. I just finished developing a tool for whitebox gat that will automatically download shuttle radar topography mission srtm digital elevation models dems from the usgs srtm ftp site. These features simplify data access, in particular for largescale data analysis, and allow applications to create dems by automatically downloading and. Dams in the mekong basin c h i n a v i e t n a m bbuurrmmaa tthha aiilla nndd. The data shared here captures all the parameters considered important in the impact pathway i. There are 2 ways that srtm data can be used with pathloss 5.
The shuttle radar topography mission srtm wikipedia article is a nasa mission conducted in 2000 to obtain elevation data for most of the world. 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. When the space shuttle endeavour was launched into space on february 11, 2000, it carried on board a 60 meter long extendable mast and two radar antennas, one of which was mounted at the end of the mast. Cgiar research program on water, land and ecosystems wle connected thinking, compelling solutions wle is a global researchfordevelopment program connecting partners to deliver agriculture solutions. In this case, we will be using the 90 metre resolution srtm data that is provided free of charge by cgiar, which covers the majority of the earths surface. A comparison of 30m and 90m srtm data from crater highlands, tanzania. Mapping freely available high resolution global elevation and vector data in grass. Hydrological modeling of large river catchments has become a challenging task for water resources engineers due to the complexity of collecting and handling both spatial and nonspatial data, such as rainfall, gaugedischarge data, and topographic and hydraulic. In many areas srtm data provide the only topographic data set. Digital elevation data with srtm voids filled using. 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. Cgiar consortium for spatial information cgiar csi is the geospatial science community of practice that facilitates cgiar s use of geospatial data and analysis in research.
Seperti kita ketahui, data srtmdem sangat dibutuhkan untuk. An evaluation of voidfilling interpolation methods for. This data article provides the datasets that are used in the holistic exante impact evaluation of an irrigation dam construction project in northern ethiopia 1. Srtm data is by far the most popular data set that radio mobile can use. The digital elevation model that has been derived from the february 2000 shuttle radar topography mission srtm has been one of the most important publicly available new spatial data sets in. Cgiar concerning data, metrics and indicators, and offers a series of recommendations to address the key. The shuttle radar topography mission produced the first detailed elevation model of most of the world. It is the srtm dataset with the highest interpolation quality currently available. The digital elevation model that has been derived from the february 2000 shuttle radar topography mission srtm has been one of the most important publicly available new spatial data sets in recent years.
Srtm 90m digital elevation database cgiar platform for. The shuttle radar topography mission srtm obtained elevation data on a nearglobal scale to generate the most complete highresolution digital topographic database of earth. The next release is planned for later in 2014, and it is expected to include all of south america plus north america south of the united states. The nasa shuttle radar topographic mission srtm has provided digital elevation data dems for over 80% of the globe. Antonio trabucco euromediterranean center on climate change, italy. Srtm was the shuttle radar topography mission, an instrument package aboard a 2000 flight of the endeavour space shuttle that mapped the earths topography at a resolution of 30 meters using radar. Video ini berisi tata tacatutorial bagaimana caranya mendownload data srtmdem dari situs usgs. Free for all nearglobal 30meter srtm elevation data. Assessment of the accuracy of srtm cand xband high mountain. 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. I want to extract the height values from the tile and join them with my vector file for eg. Historically, flooding is the most common environmental hazard worldwide, and also one of the most threatening to communities.
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. Take a jaunt on the wild side as nasa jpl shuttle radar topography mission conducts an aerial safari of africa varied topography. I would like to download the new released maps 2014 srtm1 but where can we find them. The cgiar csi geoportal is able to provide srtm 90m digital elevation data for the entire world. The data was released continent by continent, as and when the data was processed by nasa and the usgs. Over the course of 11 days scientists at the german. The proxy settings have been set, that allows display of the map, but alternative request are blocked those for srtm data download. I am testing map 3d to see if it can do what i need. Shuttle radar topography mission data was first released in early 2002. The announcement was made at the united nations heads of state climate summit in new york. Dams of laos in the mekong basin cchhiinnaa vviieettnnaam b u r m a t h a i l a n d. There is a new, 30 meters resolution srtm dtm coming out. Consultative group on international agricultural research consortium for spatial information cgiarcsi. Background relief data is courtesy of natural earth and srtm data f ro m th ejpl n as.
Cgiar consortium for spatial information cgiarcsi is the geospatial science community of practice that facilitates cgiars use of geospatial data and analysis in research. 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. Still, some users may like the cgiar format, and that they have, in one way or another, filled all the srtm voids. Creative commons license this publication is licensed under a creative commons attribution n onc m er cial dv s3.
Data, metrics and monitoring in cgiar a strategic study 3 background and rationale of the study the requirement for progress and agreement on metrics, indicators and data management has emerged. The algorithm can be downloaded from the csicgiar website or from this websitethese interpolated dem values were then used to fill in the nodata holes. Dams of thailand v i e t n a m in the mekong basin to n k i n. Apr 26, 2017 video ini berisi tata tacatutorial bagaimana caranya mendownload data srtm dem dari situs usgs. Elevation models from the srtm mission available free of.
The difference in elevation, when compared to a bare earth dem is assigned to the clutter height. We would like to show you a description here but the site wont allow us. Dams of thailand v i e t n a m in the mekong basin to. Consultative group on international agricultural research consortium for spatial information cgiar csi. 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. This data was collected during the shuttle radar topography mission srtm and contains full coverage of the united states in 1 by 1 degree blocks with an approximate resolution of 30 by 30 meters. Dams in the mekong basin commissioned, under construction and planned dams in may 20. The cgiar consortium for spatial information has released version 3 of their cleanedup srtm90 data, using contour interpolation and alternate data sources to fix voids and holes. Webgis geographic information systems resource gis. Also, close examination of some improved areas still shows some steep terracing and deep trenches, and that all srtm data that exists has been given priority, even where there are major phase errors in srtm data. The links are connected directly to the nasa site courtesy of nasangausgs. May 11, 2014 i just finished developing a tool for whitebox gat that will automatically download shuttle radar topography mission srtm digital elevation models dems from the usgs srtm ftp site. Nasa on september 23, 2014, the white house announced the coming availability of a nearglobal 30meter m.
Increasing early warning lead time through improved. An evaluation of voidfilling interpolation methods for srtm data. I need some guidance on how to do it, if it can be done. Pdf transformation of shuttle radar topography mission srtm. This animation starts on the san andreas fault just southeast of palmdale, vistble as the bright area at the rith edge. Astronaut gerhard thiele takes you on a tour of shuttle endeavours cargo bay and the srtm hardware.
Uncertainties in the shuttle radar topography mission srtm ncbi. We used an expert knowledge elicitation approach as a means of acquiring the data. Srtm3 data are among the best global elevation data, with a grid resolution of approximately 90 m. I want to import various digital elevation model data, such as shuttle radar topographic mission srtm. 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. The solution for le would be a manual download of srtm data and osm data, followed by off line procesding with maperitive. Higherresolution srtm or lidar data is available elsewhere, but this is outside the scope of this tutorial. Data, metrics and monitoring in cgiar a strategic study. Of particular interest are shuttle radar topography mission srtm data that are freely available for the scientific community worldwide. Radio mobile rf propagation simulation software srtm. Elevation models from the srtm mission available free of charge.
Problem with srtm 30 m data while creating watershed. Please see the linked pdf files for further documentation. Cgiarcsi is one of the community of practices supported by the cgiar platform for big data in agriculture. 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. What is the best data center to download world climatic data.
All other administrative and physiographic data courtesy of noaas national geophysical data. Digital terrain elevation data dted are being used extensively worldwide. The cgiarcsi geoportal is able to provide srtm 90m digital elevation data for the entire world. External validation of the aster gdem2, gmted2010 and cgiar.
I looked at cgiars version 2 before, and wasnt satisfied. Oct 24, 2014 take a jaunt on the wild side as nasa jpl shuttle radar topography mission conducts an aerial safari of africa varied topography. Seperti kita ketahui, data srtm dem sangat dibutuhkan untuk membuat peta dasar atau peta topografi. The slashgeo post and comments mention two attractivesounding alternative versions of srtm90 data. Science for humanitys greatest challenges towards a world free of poverty, hunger and environmental degradation, cgiar is the worlds largest global agricultural innovation network. Differences to the original srtm data can be substantial. For comments on database development, contact the developer.
Background relief data is courtesy of natural earth and srtm data from the jpl of nasa. 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. The first release of shuttle radar topography mission srtm data was provided in 1degree digital elevation model dem tiles from the usgs ftp server ftp. Slashgeo has a post up asking for feedback and info about the various version of srtm90 data.
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