File:PIA03369 Perspective View with Color-Coded Shaded Relief Central Panama.jpg
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![File:PIA03369 Perspective View with Color-Coded Shaded Relief Central Panama.jpg](https://upload.wikimedia.org/wikipedia/commons/thumb/6/6b/PIA03369_Perspective_View_with_Color-Coded_Shaded_Relief_Central_Panama.jpg/794px-PIA03369_Perspective_View_with_Color-Coded_Shaded_Relief_Central_Panama.jpg?20130121132430)
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[edit]DescriptionPIA03369 Perspective View with Color-Coded Shaded Relief Central Panama.jpg |
English: PIA03369: Perspective View with Color-Coded Shaded Relief, Central Panama
Original Caption Released with Image: This perspective view shows central Panama, with the remnants of the extinct volcano El Valle in the foreground and the Caribbean Sea in the distance. El Valle underwent an explosive eruption about 3 million years ago, forming a crater 5 kilometers (3.1 miles) across, one of the largest in the Americas. The crater subsequently filled with water forming a huge lake, but about 12,000 years ago a breach at the present site of the waterfall Choro de las Mozas caused it to drain, forming the present valley. Within the crater is the town of El Valle de Anton, whose 600-meter (1,968-foot) elevation and resulting cooler climate make it a popular tourist and vacation site. The lake in the distance is Lake Gatun, at the west end of the Panama Canal. The canal itself extends to the southwest (to the right in this northeast facing view) but is hidden by the intervening terrain. This shaded relief perspective view was generated using topographic data from the Shuttle Radar Topography Mission (SRTM). A computer-generated artificial light source illuminates the elevation data to produce a pattern of light and shadows. Slopes facing the light appear bright, while those facing away are shaded. On flatter surfaces, the pattern of light and shadows can reveal subtle features in the terrain. Colors show the elevation as measured by SRTM, and range from green at the lowest elevations to white at the highest elevations. 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 is 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 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, Calif., for NASA's Earth Science Enterprise, Washington, D.C. Size: scale varies in this perspective image Location: 8.8 degrees North latitude, 80.0 degrees West longitude Orientation: looking Northeast Original Data Resolution: SRTM 30 meters (99 feet) Date Acquired: February 2000 (SRTM) Image Credit: NASA/JPL Image Addition Date: 2002-10-25 |
Source | http://photojournal.jpl.nasa.gov/catalog/PIA03369 |
Author | NASA/JPL |
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This file is in the public domain in the United States because it was solely created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (See Template:PD-USGov, NASA copyright policy page or JPL Image Use Policy.) | ![]() |
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current | 13:24, 21 January 2013 | ![]() | 1,152 × 870 (188 KB) | Cmglee (talk | contribs) | {{Information |Description ={{en|1=PIA03369: Perspective View with Color-Coded Shaded Relief, Central Panama Original Caption Released with Image: This perspective view shows central Panama, with the remnants of the extinct volcano El Valle in ... |
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