Landsat OLIP in UAE

Landsat 8 OLIP at Shuwayhat Island, UAE
from Qatar towards Abu Dhabi

images courtesy of USGS
6747*6082, pixel size=30 m
work done in october 2014
Waters not so clear: watch these Youtube video and Youtube video
see also the Marawaah island studycase

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Shuwayhat Island AOI

200k--g39-35_760.png: isobaths in meters

With the help of these two bathymetric maps,
I know where to place the 18-20 m isobath (see black contours)
Consequently, as of october 2014, I can

rule out the "need" to increase the effective wavelength of the Green wideband
- this is only acceptable if we accept to decrease dramatically the effective wavelength for the Red wideband
- this yields depths which are 1.4 times deeper
- if it can be confirmed, it should prove to be a generic finding for widebands
- if it can be confirmed, it warrants thorough investigation using HYDROLIGHT
be less conservative when setting thresholds

EFFECTIVE WAVELENGTH

PAN solution is applied for all images

shuwayhat_20131207
shuwayhat_20140329
shuwayhat_20140820
shuwayhat_20140905
shuwayhat_20140921
Four results
Error on retrieved depth