| Data Access |
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| Overview |
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The Shuttle Radar Topography Mission (SRTM) obtained elevation data on a near-global scale
to generate the most complete high-resolution digital topographic database of Earth. SRTM consisted of a
specially modified radar system that flew onboard the Space Shuttle Endeavour during an 11-day mission in
February of 2000. SRTM is an international project spearheaded by the National Geospatial-Intelligence Agency (NGA),
NASA, the Italian Space Agency (ASI) and the German Aerospace Center (DLR). There are three resolution outputs available,
including 1 kilometer and 90 meter resolutions for the world and a 30 meter resolution for the US. GLCF serves the main USGS
editions, plus has 'enhanced' editions as well as provides editions in WRS-2 tiles to approximate Landsat scenes.
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| Sensor and Product Characteristics |
| Satellite |
Sensor |
Capture Resolution |
Pixel Resolution |
| Space Shuttle Endeavor |
C-band and X-band |
1 arc second |
30 meter |
| 3 arc second |
90 meter |
| 30 arc second |
1 kilometer |
| Scene Type |
Scene Size |
Projection |
| degree |
1 degree latitude X 1 degree longitude |
geographic |
| WRS-2 |
185 kilometer X 185 kilometer |
UTM |
| mosaic |
global |
geographic |
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| Product Editions Available at GLCF |
| Processing Level |
1 arc second: degree |
1 arc second: WRS-2 |
3 arc second: degree |
3 arc second: WRS-2 |
30 arc second: regions |
30 arc second: mosaic |
| Unfilled Unfinished |
X |
X |
X |
X |
X |
X |
| Unfilled Finished-A |
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X |
X |
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| Unfilled Finished-B |
X |
X |
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| Filled Finished-A |
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X |
X |
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| Filled Finished-B |
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X |
X |
X |
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| How to Cite This Data Set |
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Citation Format: Author (Publication Date), Collection Name, Image Name, Processing Level, Publisher, Publisher Location,
Product Coverage Date.
Citation Parameters Example:
- Author: USGS
- Publication Date: {"2004" for Unfilled Unfinished, otherwise "2006", unless otherwise in metadata}
- Collection Name: Shuttle Radar Topography Mission
- Image Name: {specify 1, 3, or 30} Arc Second scene {specify ID from file name or naming convention}
- Processing Level: {specify from metadata or file name} {and} Version {specify "2.0" unless otherwise in metadata}
- Publisher: Global Land Cover Facility, University of Maryland
- Publisher Location: College Park, Maryland
- Product Coverage Date: February 2000
Full Example Citation: USGS (2004), Shuttle Radar Topography Mission, 1 Arc Second scene
SRTM_u03_n008e004, Unfilled Unfinished 2.0, Global Land Cover Facility, University of Maryland, College
Park, Maryland, February 2000.
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| Intellectual Property Rights |
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Use is free to all if acknowledgement is made; effectively held by University of Maryland; but
ultimately held by US public.
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| Source |
Source for this data set is the Global Land Cover Facility, www.landcover.org. |
