4SM WV2 at Bahrain, with seatruth

Bahrain
a 7-bands 9318*8807 pixels WorldView 2 image Dec 10th 2010,

ground resolution 2 m
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see also HICO at Bahrain
work done February 7th 2011 and March 3rd 2011
That was my first WV2 image. A hard case at that!
I had to chase some loopholes in 4SM
It's in the box now.

Turbid waters pour away and around from the resort area where dredging is rife.

Processing this image using 4SM means

we assume the end-user knowingly accepts the risks.

The data
Calibration and results

SeaTruth, feb 11th 2011

SeaTruth, march 3rd 2011

Please refer to Puspita Roy Choudhury: "Marine habitat mapping in a shallow sea area of Bahrain using remote sensing and field survey data"
Please refer to R. Balaji and J. Trindade: "TIDAL HYDRODYNAMICS OF NORTH BAHRAIN COASTAL AREA",The Arabian Journal for Science and Engineering, Volume 35, Number 2B, 2010
NIR Band 8 has very poor glint correlation with other bands: shall not be used
Radiometric quality of this 11 bits data is outstanding: S/N ratio is very good, system noise is minimal

The data

The full coverage of the WV2 image
The polygon delineates the area processed
Fasht-al-Jarim appears at the NW corner of this image

Dredging is rife there	Dredging is rife there
TCC raw linear enhancement I used high towers' shadow over fairly deep waters in order to help estimate path radiances La SeaTruth by FUGRO, date unknown The WV2 image is dated Dec 12th 2010 TCC zoom	FCC histeq enhancement Turbid: Red-NIR bands are hardly affected Blue-Green deep water radiances cannot be ascertained Strong adjacency effect MUST be removed Glint regressions are excellent FCC zoom