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

 
 
work in progress


Landsat 8 OLI + PAN
LC80180472015026LGN00 26 january 2015

Please refer to the Panchro web page

TCC
this view show the import.shp shapefile used to extract the Chinchorro study case

 

FCC

PANchromatic band

exported to 30 m resolution using OpenEV

 
I want to process
a PAN-sharpened image
of this scene
at 15 m resolution.


 
   





Deglinting

Glint regressions
6 vs 4
R2=0.95
 

 
   




Optical calibration
whole image

Calibration for bands 6, 5, 3 and 2
for the whole image

Kblue/Kgreen=0.56
Water type OIB+0.35 represents
waters over the outer reef slopes


 
whole image
\
Calibration for bands 6, 5, 4 and 2
for the whole image
inside lagoon only

Calibration for bands 6, 5, 3 and 2
for the lagoon only

Kblue/Kgreen=0.63
Water type OIB+0.64 represents
waters inside the lagoon (mask=3):
waters appear to be
slightly less clear inside the lagoon

 
inside lagoon only

Calibration for bands 6, 5, 4 and 2
for the lagoon only
   




 
   
   
   




 
   
   
   




 
   
   
   




 
   
   
   


 

 
 



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