Previously, the most complete topographic set of data publicly available was from nasas shuttle radar topography mission. If you want to download srtm data, those data are available at the us. How to download digital elevation model of aster nasa and. The earthdata login provides a single mechanism for user registration and profile management for all eosdis system components daacs, tools, services. These images allow us to explore changes on earths lands. The raster datasets also provide beautiful hillshade relief for your map. Nasa nasa, japan release most complete topographic map of. Nasa and noaa altimetric and ocean surface topography data. Dawns mission is managed by jpl for nasas science mission directorate in washington. Smith and others, 2001, an instrument on nasas mars global surveyor mgs spacecraft albee and others, 2001. The new aster data expand coverage to 99 percent, from 83 degrees north latitude and 83 degrees south.
The definitive merged global digital topographic data set. Radar data in brown from magellan has been draped on top of the topographic data. Geological survey these maps are based on data from the mars orbiter laser altimeter mola. Dem cells derived from stereo optical methods using advanced spaceborne thermal emission and reflection radiometer aster data from. 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 cded is based on national topographic data base ntdb digital files at scales of 1. The mission is a collaboration among nasa, nga, and the german and italian space agencies. Shuttle radar topography mission srtm version 2 nasa. Feb 18, 2020 the definitive merged global digital topographic data set principal investigator pi. 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.
Topographic data are vital for many scientific, technical, and other applications. Bedmachine is a new antarctic bed topography product based on ice thickness data from 19 different research institutes dating back to 1967, encompassing nearly a million linemiles of. Nasa, japan release most complete topographic map of. The best part is natural earth data is in public domain. Nasa and meti are jointly contributing the data for the aster topographic map to the group on earth observations, an international partnership headquartered at the world meteorological organization in geneva, switzerland, for use in its global earth observation system of. How to download digital elevation model of aster global dem, nasa srtm v3.
Open source licenses allow users to access, modify, and share data and code. Here youll find a growing collection of 3d models, textures, and images from inside nasa. There is one blue marble image for each month of the year 2004. This topographic map is made from data collected from three sources.
Topographic shading is based on the gtopo 30 elevation dataset compiled by the u. Search the entire aster data archive using a browsebased map interface. In order to use earthdata search, you must upgrade your web browser. Global relief data combined topography and bathymetry. A radar in space sends a pulse of radio waves toward the earth and measures the strength and. The nasa shuttle radar topographic mission has provided digital elevation data dems for over 80% of the globe. Jan 19, 2007 using mola data through october of 2000, the science team has produced a very high resolution topographic shaded relief map of mars that can be downloaded for general use. The purpose of this page is to provide information on what satellite altimetric data are available for scientific research, especially from nasa s po. Apr 21, 2018 how to download digital elevation model of aster global dem, nasa srtm v3.
Nasas land, vegetation, and ice sensor or lvis, is an airborne, wideswath imaging laser altimeter system that is flown over target areas to collect data on surface topography and 3d structure. Smith and others, 2001, an instrument on nasa s mars global surveyor mgs spacecraft albee and others, 2001. Nasa nasa, japan release improved topographic map of earth. Michael kobrick, nasas jet propulsion laboratory measurements of the earths topography are one of the most fundamental data sources in earth science. The data are provided as is, and neither nasa nor metijapan space. That mission mapped 80 percent of earths landmass, between 60 degrees north latitude and 57 degrees south. The gdem and astwbd are available for download from nasa earthdata and japan. The relief shading in this topographic map comes mostly from elevation data. Nasas space shuttle, canadas radarsat satellite, and topographic maps made by the.
Releases enhanced shuttle land elevation data highresolution topographic data generated from nasas 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. While this page does not contain any data, it provides succinct descriptions and pointers to. The purpose of this page is to provide information on what satellite altimetric data are available for scientific research, especially from nasas po. Coverage at 3 arc seconds is now global, and unlike srtm and aster gdem, there are no serious voids or artifacts. Releases enhanced shuttle land elevation data nasajpl. Nasa, japan release most complete topographic map of earth.
You can search the entire aster data archive using a browsebased map interface. The data, hosted by the noaa office for coastal management, can be customized and requested for free download through a checkout interface. Culminating more than four years of processing data, nasa and the national geospatialintelligence agency nga have completed earths most extensive global topographic map. Half degree, 7 day grids, 1950jun16 to 2009jun27, combining satellite altimetry with tide gages. Orthoimagery data typically are high resolution aerial images that combine the visual attributes of an aerial photograph with the spatial accuracy and reliability of a planimetric map. The airborne topographic mapper atm is a scanning lidar developed and used by nasa for observing the earths topography for several scientific applications, foremost of which is the measurement of changing arctic and antarctic icecaps and glaciers. Land topography allows us to make maps of the features of the surface of the earth. Our teams goal is to provide a onestop shop for 3d models, images, textures, and visualizations. Blue marble a seamless image mosaic of the earth wms. Sean buckley, nasas jet propulsion laboratory our objective is to provide the scientific and civil communities with a stateoftheart global digital elevation model dem derived from a combination of shuttle radar topography mission processing improvements, elevation control, voidfilling and merging with data unavailable at the time of the original srtm. Elevation data used in this image were acquired by the shuttle radar topography mission aboard the space shuttle endeavour, launched on feb.
The data access viewer dav allows a user to search for and download elevation, imagery, and land cover data for the coastal u. Sean buckley, nasa s jet propulsion laboratory our objective is to provide the scientific and civil communities with a stateoftheart global digital elevation model dem derived from a combination of shuttle radar topography mission processing improvements, elevation control, voidfilling and merging with data unavailable at the time of the original srtm production. Elevation data used in this image were acquired by the shuttle radar topography mission srtm aboard the space shuttle endeavour, launched on february 11, 2000. 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. Also, users should be aware that the digital topographic data and images are unedited.
Our digital maps are available for free download to any device. 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 digital elevation data, produced by nasa originally, is a major breakthrough in digital mapping of the world, and provides a major advance in the. The topographic backbone derives from data obtained by nasas magellan spacecraft, with a vertical exaggeration of 30 times. In this colorized version, low elevations are purple, medium elevations are greens and yellows, and high elevations are orange, red and white. 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. How to download digital elevation model of aster nasa and nga. Another way to think of topographic maps is that they are a picture of the threedimensional 3d structure of the surface of. Using a collection of satellitebased observations, scientists and visualizers stitched together months of observations of the land surface, oceans, sea ice, and clouds into a seamless, truecolor mosaic of every square kilometer 0. Learn how easy it is to search and download freely available shuttle radar topographic mission srtm dems, that were collected in february 2000. Topographic maps show the location, height, and shape of features like mountains and valleys, rivers, even the craters on volcanoes. Usgs eros archive digital elevation global 30 arcsecond. The national map offers free downloads of public domain, 1meter orthoimagery for the. Your earthdata login also helps the eosdis program better understand the usage of eosdis services to improve user experience through customization of tools and improvement of services.
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. Dec 12, 2019 bedmachine is a new antarctic bed topography product based on ice thickness data from 19 different research institutes dating back to 1967, encompassing nearly a million linemiles of radar soundings. Dawn is a project of the directorates discovery program, managed by nasas marshall space flight center in huntsville, alabama. Even when not used directly in a study, topographic data are often used in preparing visualization tools such as perspective or stereoscopic views of terrain. The following products are available to all users at no cost.
The contrast in elevation and regional topographic roughness between the northern and southern hemispheres is also apparent. The global multiresolution terrain elevation data 2010 gmted2010 provides a new level of detail in global topographic data. Jun 29, 2009 previously, the most complete topographic set of data publicly available was from nasa s shuttle radar topography mission. The mission was a cooperative project between the national aeronautics and space administration nasa, the national geospatialintelligence agency nga of the u.
Studies requiring the high geodetic accuracy of the lola data and the excellent spatial coverage of the tc data will especially benefit from this merged data product. Nasas highquality digital assets, accessible and usable to spur innovation. The new data are available for download from the usgs eros data. This usgs tool allows you to download topographic data from a multitude of different sources.
They include data from nasa s srtm digital topographic data, gtopo30 and aster global dems, as well as lidar and other radar data. The elevation scale used for this topographic map product differs slightly from the scale used to create pia19605. Srtm topography has become the most popular data set distributed by edc, with the number of data downloads far exceeding any other. Using mola data through october of 2000, the science team has produced a very high resolution topographic shaded relief map of mars that can be downloaded for general use. The gmted2010 product suite contains seven new raster elevation products for each of the 30, 15, and 7. This spectacular blue marble image is the most detailed truecolor image of the entire earth to date. Usgs digital orthoimage resolution may vary from 6 inches to 1 meter.
Nasa and meti are jointly contributing the data for the aster topographic map to the group on earth observations, an international partnership headquartered at the world meteorological organization in geneva, switzerland, for use in its global earth observation system of systems. Shuttle radar topography mission nasa jet propulsion. Natural earth data is number 2 on the list because it best suits the needs of cartographers. The definitive merged global digital topographic data set principal investigator pi. Aster l1t data day only, landsat products, eo1 data, sentinel2 data, orbview3 data, and doqs.
While this page does not contain any data, it provides succinct descriptions and pointers to the data via dataset information pages or online tools. Color coding is directly related to topographic height, with green at the lower elevations, rising through yellow and tan, to white at the highest elevations. Nasa nasa, japan release most complete topographic map of earth. Each elevation measurement point in the data is 98 feet 30 meters apart. Nasa has released version 2 of the shuttle radar topography mission digital topographic data also known as the finished version. Data users can download the aster global digital elevation model at. The dichotomy boundary scarp can be seen at 50 east of north. Airborne topographic mapper field support office nasa. To upgrade your browser, click on the icons below to go to the download page.
Nasa s land, vegetation, and ice sensor or lvis, is an airborne, wideswath imaging laser altimeter system that is flown over target areas to collect data on surface topography and 3d structure. Topographic maps of ceres east and west hemispheres nasa. This product has many geophysical and cartographic applications in lunar science, as well as exploration and mission design. Jul 21, 2005 land topography is a digital image of the threedimensional structure of the earths surface. Once downloaded, maps can be printed by anyone and are suitable for largeformat printing see how to print our maps below for instructions. The cgiarcsi geoportal is able to provide srtm 90m digital elevation data for the entire world. All of these resources are free to download and use. A free dataset created by combining data from many sources, including gapfilling srtm, and sheets of contour maps. The gdem is available for download from nasa s eos data archive and japans ground data system. Previously, the most complete topographic set of data publicly available was from nasa s shuttle radar topography mission.
The canadian digital elevation data cded consists of an ordered array of ground elevations at regularly spaced intervals. The topographic backbone derives from data obtained by nasa s magellan spacecraft, with a vertical exaggeration of 30 times. By and large, all the key cultural and physical vector gis datasets are at a global scale conveniently for you to use. There are two ways to participate in the egu data help desk. Distributed points above the surface correspond to false returns caused by solar background at the laser wavelength and represent 0. This figure shows the volcanic peak idunn mons at 46 degrees south latitude, 214. Modis observations of polar sea ice were combined with observations of antarctica made by the national oceanic and atmospheric administrations avhrr sensorthe advanced very high resolution radiometer. May 27, 2015 learn how easy it is to search and download freely available shuttle radar topographic mission srtm dems, that were collected in february 2000 in a special joint mission onboard sts99, using x.
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