| NASA Center: |
Jet Propulsion Laboratory |
|---|
| Image # : |
PIA02718 |
|---|
| Date : |
02/16/2000
|
|---|
|
Title
3-D Perspective Pasadena, California
Full Description
This perspective view shows the western part of the city of Pasadena,
California, looking north towards the San Gabriel Mountains. Portions
of the cities of Altadena and La Canada, Flintridge are also shown.
The image was created from three datasets: the Shuttle Radar Topography
Mission (SRTM) supplied the elevation data; Landsat data from November
11, 1986 provided the land surface color (not the sky) and U.S. Geological
Survey digital aerial photography provides the image detail.
The Rose Bowl, surrounded by a golf course, is the circular feature at
the bottom center of the image. The Jet Propulsion Laboratory is the
cluster of large buildings north of the Rose Bowl at the base of the
mountains. A large landfill, Scholl Canyon, is the smooth area in the
lower left corner of the scene.
This image shows the power of combining data from different sources to
create planning tools to study problems that affect large urban areas.
In addition to the well-known earthquake hazards, Southern California
is affected by a natural cycle of fire and mudflows. Wildfires strip
the mountains of vegetation, increasing the hazards from flooding and
mudflows for several years afterwards. Data such as shown on this image
can be used to predict both how wildfires will spread over the terrain
and also how mudflows will be channeled down the canyons.
The Shuttle Radar Topography Mission (SRTM), launched on February 11, 2000, uses
the same radar instrument that comprised the Spaceborne Imaging Radar-C/X-Band
Synthetic Aperture Radar (SIR-C/X-SAR) that flew twice on the Space Shuttle
Endeavour in 1994. The mission was designed to collect three dimensional
measurements of the Earth's surface. To collect the 3-D data, engineers added a
60-meter-long (200-foot) mast, an additional C-band imaging antenna and improved
tracking and navigation devices.
The mission is a cooperative project between the National Aeronautics
and Space Administration (NASA), the National Imagery and Mapping
Agency (NIMA) and the German (DLR) and Italian (ASI) space agencies. It
is managed by NASA's Jet Propulsion Laboratory, Pasadena, CA, for
NASA's Earth Science Enterprise, Washington, DC.
Size: 5.8 km (3.6 miles) x 10 km (6.2 miles) Location: 34.16 deg. North
lat., 118.16 deg. West lon.
Orientation: Looking North Original Data Resolution: SRTM, 30 meters;
Landsat,30 meters; Aerial Photo, 3 meters (no vertical exaggeration)
Keywords
Shuttle Radar Topography Mission SRTM Landsat Spaceborne Imaging Radar Band Synthetic Aperture Radar SIR-X-SAR United States Geological Survey National Imagery and Mapping Agency NIMA German Space Agency DLR Italian Space Agency ASI Pasadena San Gabriel Mountains
Subject Category
Earth Science, Planet-Earth,
Reference Numbers
- Center:
JPL
- Center Number:
PIA02718
- GRIN DataBase Number:
GPN-2000-000449
Source Information
- Creator/Photographer: NASA
- Original Source: DIGITAL
| Resolution | Format | Width
(Pixels) | Height
(Pixels) | Size
(KBytes) |
Thumbnail |
.jpg |
58 |
60 |
11 |
Small |
.jpg |
414 |
427 |
238 |
Medium |
.jpg |
970 |
1000 |
1,134 |
Large |
.jpg |
1939 |
1999 |
3,937 |
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Updated October 31, 2002
• History Questions: NASA History Office
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