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BATHYMETRIC MODELS DERIVED FROM SATELLITE IMAGES OF HIGH RESOLUTION IN “SAN ANDRÉS, PROVIDENCIA Y SANTA CATALINA” ARCHIPELAGO (2013-2016)
Lieutenant Commander Gustavo Adolfo Gutiérrez Leones
Head of Hydrography Area Oceanographic and Hydrographic Research Center of Caribbean
National Hydrographic Service of Colombiaggutierrez@dimar.mil.co
GEBCO SCIENCE DAYValparaiso – Chile, September 12th 2016
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SAN ANDRÉSArchipelago
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THE PROBLEMNO CLASIFICADO
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INSUFFICIENT DATA
THE PROBLEMNO CLASIFICADO
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INSUFFICIENT DATA
THE MAIN REASONSOf the problem
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DIFFICULT ACCESSIt is not possible to conduct hydrographic operation with the traditional methodology
THE SOLUTIONThe project
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OBJECTIVENO CLASIFICADO
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Propose an methodological design to
obtain bathymetric model derived from
satellite images of HR, to updating
cartography in difficult access areas.
DATA SourcesNO CLASIFICADO
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http://www.satimagingcorp.com/satellite-sensors/worldview-3/ https://svs.gsfc.nasa.gov/10812
WorldView 3
2 m
LANDSAT 8
30 m
Conceptual baseNO CLASIFICADO
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Energy Source
System Sensor
Final UserInterpretation
Storage Receipt
Atmosphere
Earth Surface
DOP MethodologyDepth of penetration
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Methodology development by NOAA as part of “Coastwatch” program, they provide teledetection data of Caribbean sea and Gulf of Mexico.
BILKO-UNCESCO (Jupp, 1988).
DOP MethodologyDepth of penetration
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DOP MethodologyDepth of penetration
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Data recollection campaign
DOP MethodologyDepth of penetration
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Location of bathymetric tracks, and DOP over images.
“Serrana Cays” Island.
DOP MethodologyDepth of penetration
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DOP MethodologyDepth of penetration
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RADIOMETRY TO DEFINE THE DOP ZONES
PHASE 1
DOP MethodologyDepth of penetration
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DOP MethodologyDepth of penetration
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Spectroradiometer
Single Beam Echosounder
> 25m Prof.
> 15m Prof.
> 5m Prof.
RESULTSFirst phase
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RESULTS
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Detection of Braker Zone from WorldView 3 images.
RESULTS
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Detection of Braker Zone from WorldView 3 images.
RESULTS
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Detection of Breaker Zone from WorldView 3 images.
RESULTS
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RESULTS
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BATHYMETRIC MODELS DERIVED FROM SATELLITE IMAGES OF HIGH RESOLUTION IN “SAN ANDRÉS, PROVIDENCIA Y SANTA CATALINA” ARCHIPELAGO (2013-2016)
Lieutenant Commander Gustavo Adolfo Gutiérrez Leones
Head of Hydrography Area Oceanographic and Hydrographic Research Center of Caribbean
National Hydrographic Service of Colombiaggutierrez@dimar.mil.co
MANY THANKS FOR YOUR KIND ATTENTIONValparaiso – Chile, September 12th 2016
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