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Topography Data Access and Tools
NASA data detail topography across the land surface, ocean, cryosphere, terrestrial hydrosphere and within the context of climate change. Our datasets and tools help researchers translate these interconnected data points into actionable knowledge.
Topography Featured Observation Method: ICESat-2
NASA's Ice, Cloud, and Land Elevation Satellite-2 (ICESat-2) allows scientists to measure the elevation of ice sheets, glaciers, sea ice, and land across Earth's temperate and tropical regions, as well as take stock of the vegetation in forests worldwide. ICESat-2 carries the Advanced Topographic Laser Altimeter System (ATLAS), which sends 10,000 pulses of laser light to the ground per second and then measures how long it takes them be reflected back by the surface to determine the area's elevation.
Learn more about ICESat-2/ATLAS near real-time data provided by NASA's Land, Atmosphere Near real-time Capability for Earth observation (LANCE).
ICESat-2 carries the Advanced Topographic Laser Altimeter System (ATLAS), which sends pulses of laser light to the ground, collects the returning photons in a telescope, and records the photon travel time.
Learn more about ICESat-2/ATLAS near real-time data provided by NASA's Land, Atmosphere Near real-time Capability for Earth observation (LANCE).
ICESat-2 carries the Advanced Topographic Laser Altimeter System (ATLAS), which sends pulses of laser light to the ground, collects the returning photons in a telescope, and records the photon travel time.
Data from NASA’s ICESat-2 mission provide incredibly accurate measurements of Earth elevation change—and much more.
8 MIN READ
The five new datasets are the result of a joint effort by NASA’s Satellite Needs Working Group Management Office (SNWG MO), ICESat-2 team, and Land, Atmosphere Near real-time Capability for EOS (LANCE).
3 MIN READ
This is the first in a four-part webinar series to introduce NASA's Ice, Cloud, and land Elevation-2 (ICESat-2) platform and the platform's data, tools, and applications.
This ACCESS 2015 project focused on OpenAltimetry, a cloud-ready web-based application for discovery, access, and visualization of ICESat and ICESat-2 data.
Topography Datasets
| Dataset | Platforms | Instruments | Temporal Extent | Location Keywords | Spatial Extent | Data Format |
|---|---|---|---|---|---|---|
| NASA Shuttle Radar Topography Mission United States 1 arc second number | STS-99 | SRTM | 2000-02-11 to 2000-02-21 | GLOBAL LAND | N: 49 S: 24 E: -67 W: -125 | Binary |
| NASA Shuttle Radar Topography Mission Water Body Data Shapefiles & Raster Files V003 | STS-99 | SRTM | 2000-02-11 to 2000-02-21 | GLOBAL LAND | N: 60 S: -56 E: 180 W: -180 | Binary |
| NASADEM Merged DEM Global 1 arc second V001 | OV-105 | SRTM | 2000-02-11 to 2000-02-21 | GLOBAL LAND | N: 60 S: -56 E: 180 W: -180 | HGT |
| NASADEM Slope and Curvation Global 1 arc second V001 | OV-105 | SRTM | 2000-02-11 to 2000-02-21 | GLOBAL LAND | N: 60 S: -56 E: 180 W: -180 | Binary |
| NASADEM SRTM Image Mosaic Global 1 arc second V001 | OV-105 | SRTM | 2000-02-11 to 2000-02-21 | GLOBAL LAND | N: 60 S: -56 E: 180 W: -180 | Binary |
| NASADEM SRTM Subswath Global 1 arc second V001 | OV-105 | SRTM | 2000-02-11 to 2000-02-21 | GLOBAL LAND | N: 60 S: -56 E: 180 W: -180 | Binary |
| NASADEM SRTM-only Height and Height Precision Mosaic Global 1 arc second V001 | OV-105 | SRTM | 2000-02-11 to 2000-02-21 | GLOBAL LAND | N: 60 S: -56 E: 180 W: -180 | Binary |
| National Aggregates of Geospatial Data Collection: Population, Landscape, And Climate Estimates (PLACE) | MODELS | Computer | 1995-07-01 | GLOBAL, CANADA, AFGHANISTAN, ALBANIA, ALGERIA | N: 90 S: -90 E: 180 W: -180 | Excel |
| National Aggregates of Geospatial Data Collection: Population, Landscape, And Climate Estimates, Version 2 (PLACE II) | MODELS | Computer | 1990-01-01, 2000-12-31 | AUSTRALIA, GLOBAL, CANADA, AFGHANISTAN, ALBANIA | N: 90 S: -90 E: 180 W: -180 | PDF, PNG |
| National Aggregates of Geospatial Data Collection: Population, Landscape, And Climate Estimates, Version 3 (PLACE III) | MODELS | Computer | 1990-01-01, 2000-01-01, 2010-12-31 | AUSTRALIA, GLOBAL, CANADA, AFGHANISTAN, ALBANIA | N: 85 S: -58 E: 180 W: -180 | CSV, Excel, PDF, PNG, WMS |
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