Optical calibration, bathymetry, water column correction and bottom typing of shallow marine areas, using passive remote sensing imageries

Landsat ETM and OLI images
of Chinchorro atoll, Gulf of Mexico

Work completely updated in january 2016
return to 4SM Study Cases

  • This work incorporates all the recent 4SM improvements
  • I want to process a PAN-sharpened Landsat 8 OLIP image of this scene

Bathymetric map (2003)
downloaded/extracted from the Internet


4SM retrieved depth,
from ETM image Jan 25th 2000


Chinchorro ETM 29 march 2000: retrieved depth
  • a tide height of approx ~1.5 m would appear to fit the 29 march 2000 ETM scene
  • the bathymetric map is quite difficult to interpret, while the satellite derived image is easy to understand in comparison



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