Srtm water body data product specific guidance software

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. The country is very flat having 40% of its landmass up to 10 m above the mean sea level. It can be considered to be either an srtm data set enhanced with gtopo30, or as an upgrade to gtopo30. The global availability almost 80% of the earth surface of srtm data provides baseline information for many types of the worldwide research. Version 3, released august 2019, has a decrease in elevation void area due to the increase of aster stereo image data and an improved process as well as a decrease in water area anomaly data due to using new global water body data. Elevation models from the srtm mission available free of charge. Srtm global digital elevation model nc state university. Srtm water body data files are a byproduct of the data editing performed by nga to produce the. It is formatted and organized in a fashion that mimics the gtopo30 convention so software and gis systems that work with gtopo30 should also work with srtm30. Elevation models from the srtm mission available free of. Srtm in arcgis desktop geonet, the esri community gis. 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.

Scope basis of this document is the performance specification digital terrain elevation data dted dma, 1996 provided by the national imaging and mapping agency nima. Srtm data contained regions of nodata, specifically over water bodies. The srtm resulted in a 1 arc second dem about 30 m resolution but data covering areas outside the united states has been resampled to 3 arc seconds about 90 m resolution for our own good. Shuttle radar topography mission srtm water body dataset. Since then the schedule was accelerated, and all global srtm data have been released.

Three additional points have been added over processing in srtm v2 available from ciat. As stated on the nasa jpl official page, the next release is planned for later in 2014, and it is expected to include all of south america plus north. Srtm did not produce data for the northernmost latitudes or antarctica. Some figures in this paper were generated using the generic mapping tools gmt wessel and smith, 1991. The topography is adequate for use in the resource estimate and has been considered in resource classification at the resource margins where the lower accuracy srtm data was used. Free for all nearglobal 30meter srtm elevation data. The difference in elevation, when compared to a bare earth dem is assigned to the clutter height. For more information on the new release, read this lp daac news release. See an index map of the newly available fullresolution data. Over the course of 11 days scientists at the german. Nasa has released version 2 of the shuttle radar topography mission digital topographic data also known as the finished version. Accuracy assessment of the processed srtmbased elevation. Connie can keep track of your supplier costs, and help you stay profitable.

Srtm regional water body datasets, regional nonsrtm coverage datasets, and the regional datasets containing the polygons that represent the voids in the elevation data that are located in the waterland interface i. 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. Nasa shuttle radar topography mission water body data. 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. Srtm consisted of a specially modified radar system that flew onboard the space shuttle endeavour during an 11day mission in february of 2000. Technical methodology for aster global water body data. This document provides a description of the content, format and. Weve designed this site to make it easier for you to buy the things you need any time, day or night.

There are 2 ways that srtm data can be used with pathloss 5. The new data have been released with a 1 arcsecond, or about 30 meters 98 feet, sampling that reveals the full resolution of the original measurements. 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. Earth resources observation and science eros center. Team collaboration idea management web conferencing employee communication tools screen sharing cad. Assessing the nonconservative fluvial fluxes of dissolved. Srtm water body data swbd files are a byproduct of the data editing performed by nga to produce the finished srtm dted2 data. If you want to download srtm data, those data are available at the us geological surveys eros data center for download.

Surface soil moisture 05 cm in cm 3 cm 3 derived from sigma nought measurements is output on a fixed 3 km easegrid 2. Customer service customer experience point of sale lead management event. The worlds most comprehensive professionally edited abbreviations and acronyms database all trademarksservice marks referenced on this site are properties of their respective owners. The shuttle radar topography mission agu publications wiley. 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. Lr is developed by applying the algorithm to the srtm water body database and the hydrosheds flow direction map. The srtm water body data swbd is a geographical dataset 2003 encoding highresolution worldwide coastline outlines in a vector format, published by. It is the srtm dataset with the highest interpolation quality currently available. Hydrosheds data for specific applications, the user is referred to chapter 4. Consultative group on international agricultural research consortium for spatial information cgiarcsi.

The srtm digital elevation data, produced by nasa originally, is a major. 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 digital elevation model dem srtm of 90m was used as a source of elevation data for the potohar catchment areas as shown in figure 2. This tutorial covers obtaining the the raw output from the srtm interferometric radar processor which has various problems including areas of no data, ill.

It was created by bae systems adr for the us national geospatialintelligence agency nga as a complementary product during editing of the digital elevation. Srtm water bodies home nc state university libraries. Srtm water body data product specific guidance version 2. The 30 m srtm dems are from nasas earth observing system data and information system eosids, and srtm water body data from u. The digital elevation models dem derived from the srtmxsar data. The srtm water body data swbd is a geographical dataset 2003 encoding highresolution worldwide coastline outlines in a vector format, published by nasa and designed for use in geographic information systems and mapping applications. The srtm mapping data is stored in an nga database and distributed to customers in several ways. Shuttle radar topographic mission srtm has created an unparalleled data set of global elevations that is freely available for modeling and environmental applications.

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. Get the assistant you never thought you could afford. Coastline outline coastline outline of ireland, from nasas shuttle radar topography mission srtm water body data swbd dataset in esri shapefile. Generation of high resolution global dsm from alos prism. Srtm water body data product specific guidance, version 2. Defense department users can access the data online via the nga gateway. Bangladesh is the deltaic flood plain located in the lower ridge of the ganges brahmaputra and meghna basins. Srtm water body data product specific guidance dds. However, if youve got any questions or if youd like to speak to one of our team, please just get in touch contact our sales team. Big data business intelligence predictive analytics reporting. If the data you are giving to tacview are in a medium resolution in that case, srtm3, tacview. Srtm data set enhanced with gtopo30, or as an upgrade to gtopo30. Ocean, lake and river shorelines were identified and delineated from the 1 arcsecond dted2 data for details see nasa 2003 and were saved as vectors in esri 3d shapefile format esri 1998.

Have a look at the documentation srtm data are distributed in two levels. Voustianiouk b a center for international earth science information network ciesin, columbia university, 61 rt 9w, po box, palisades, ny 10964, usa. A 1 arc second data product was also produced but is not available for all countries. 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. Lake area proportion srtm water body data set srtm water body data product specific guidance, version 2. The nasanga shuttle radar topography mission srtm collected interferometric radar data which has been used by the jet propulsion laboratory to generate a nearglobal topography data product for. By early 2004, 3 data for north america, south america, eurasia, africa, australia, and islands was available. Loaded the following data into the regional arcsde 9. 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. These interpolated dem values were then used to fill in the original nodata holes within the srtm data.

Srtm produced about 14,200 cells of onedegree data, a multifold increase of the data holdings at that resolution, he says. The value of universally available raw nmr data for. It was created by bae systems adr for the us national geospatialintelligence agency nga as a complementary product during editing of the digital elevation model database of the shuttle radar topography mission srtm. Ocean, lake and river shorelines were identified and delineated from the 1 arcsecond 30 meter dted2 data for details see nasa 2003 and were saved as vectors in esri 3d shapefile format. Click on the srtm30 tile to download the digital elevation map dem from the place you select. 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. Coastline extraction from repeat high resolution satellite. If youre interested in images and visualizations created from srtm data, go to the image product description page. I read about the new version of the digital elevation model at 30 meters srtm 30 meters, but i can not find from were i can download it. There is a new, 30 meters resolution srtm dtm coming out.

Using the shuttle radar topography mission srtm digital. Let connie handle the data entry, freeing up your managers to do what they do best. Srtm global digital elevation model south east, one of six data sets represents an elevation map between 60 degrees north and 56 degrees south latitude of the world from the nasanga shuttle radar topography mission srtm data sets from the u. Regardless of the data, you want the spatial analyst extension.