1998 EARTH SCIENCE VIDEOTAPES |
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Tape Title | Record ID | Date Produced | TRT: |
Synopsis |
| WEST COAST BEACH MAPPING UNDERWAY | G98-024A | 1/25/99 | 00:14:00 | NASA scientists are using airborne lasers to map the unprecedented erosion caused by powerful storms associated with El Nino. The mapping is being performed with the NASA Airborne Terrain Mapper (ATM) flown on a NOAA Twin Otter aircraft.
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TAPE CONTENTS: |
| ITEM (1): PACIFICA, CALIFORNIA BEACH MAPPING - Airborne laser altimeter data shows the impact of El Nino sponsored storms on the California coastline. This visualization shows the 1997 - 1998 erosion of Esplanade Dr., Pacifica, CA. Using actual laser altimeter data, this visualization shows the erosion and dissolves to actual photograph of Espanade Dr.
Courtesy: NASA GSFC
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ITEM (2): PACIFICA, CALIFORNIA BEACH MAPPING - static, top-down views of airborne laser altimeter data of Esplanade Dr., Pacifica, California. Courtesy: NASA GSFC
- Cut 1: 1997 data of Espanade Drive prior to erosion
- Cut 2: 1998 data of Espanade Drive after 1998 El Nino
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| ITEM (3): AIRBORNE LASER MAPPING ANIMATION -
Animation illustrates how scientists use airborne lasers to map theunprecedented erosion caused by powerful storms associated with El Nino. The rapid speed of data acquisition and very high data density makes an airborne scanning laser system ideal for pre- and post-storm assessment of the coastal condition. The study is a cooperative effort between USGS, and NOAA.
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| ITEM (4): 3-D FLY-OVER OF PACIFICA, CA REGION 1997 LASER DATA -Laser altimetry was used last Fall to determine the pre-El Nino characteristics of the narrow coastal zone that is most susceptible to damage. Scientists will compare the data acquired in October 1997 with data acquired during the April 1998 flights to understand the effects of erosion of coastal cliffs.
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| ITEM (5): FLYING THE LASER B-ROLL (NOAA TWIN OTTER - The mapping, which started April 8, is being performed with the NASA Airborne Terrain Mapper (ATM) flown on a NOAA Twin Otter aircraft.
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| ITEM (6): ASSATEAGUE ISLAND BEACH EROSION DATA VISUALIZATION - Image sequence illustrates change to central Assateague between September 1997 and late February 1998. The laser mapping techniques allow researchers to measure changes in Assateague to an accuracy of four inches.
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| ITEM (7): EAST COAST BEACH MAPPING B-ROLL (NASA P-3) - Researchers onboard a P-3 Orion use the powerful Airborne Topographic Mapper to provide a precise account of topographical changes due to storms.
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| ITEM (8): SCIENTISTS EXAMINE LASER DATA B-ROLL - Researchers at Goddard Space Flight Center's Wallops Flight Facility pour over the erosion data.
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| ITEM (9): THE FUTURE OF LASER MAPPING (MARS SURVEYOR) - Scientists are using a laser altimeter to produce the first highresolution, 3D topographic maps of Mars. Laser altimeters have been flown on the Space Shuttle to produce detailed measurements of tree heights of rain forest canopies.
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| ITEM (10): INTERVIEW -- BILL KRABILL
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| ITEM (11): INTERVIEW -- JIM GARVIN
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| ITEM (12): EL NINO VISUALIZATIONS
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