slcoli-20131019-15m

A time series of landsat 8 images
at San Lorenzo Channel, Baja California

LANDSAT 8 OLIP

Using the Panchromatic band for water column correction
to derive water depth and spectral bottom signature:

Landsat 8 OLIP bandset used for this work
Purple=1, Blue=2, Green=3, PAN=4, Red=5, NIR=6 and SWIR1=7

Collaboration with
Fabio Favoretto, Ph.D Student, Coralline Algae Ecology
Grupo Interdisciplinario de Ciencia Ambiental, Universidad Autonoma de Baja California Sur
Carretera al sur km 5.5 | La Paz
favorettofabio@gmail.com

Using pan sharpened images in this study
Pan sharpening by Fabio Favoretto, using R Brovey method

work done october 2016

home

October 19th 2013
15 m pansharpened resolution

DTM Seatruth

Regression October 19th 2013 vs Sonar Depths RMSE=1.20 m	Sonar Two Days seatruth depths raster not corrected for tide 15 m GSD see depth legend
Regression October 19th 2013 vs DTM	DTM from U. of La Paz, Mexico resampled to 15 m GSD see depth legend
	Depth residual ZDTM+0.5m - Z4SM DTM - October 19th 2013 see legend

Data and Deglinting
No smoothing

Full scene	subset
TOA TCC: raw image	BOA TCC deglinted image

Calibration
under the orange mask
16U data are scaled to allow for comfortable screen display

Calibration diagram
for the orange mask
for bands Blue, Green, Red and NIR
K_BLUE/K_GREEN=0.69 Jerlov water type OII
(slightly clearer further North)

Calibration diagram
for the orange mask
for bands Blue, PAN, Red, NIR

Ready for modeling
No smoothing

BOA TCC: water column corrected

Retrieved depth
see legend

Bottom typing
No smoothing

SAM classified image
see legend for image SAM

Average bottom brightness
see legend for image B

GoogleDrive
slcOLI_20131019_15mresults.zip 37 MB updated below
slcOLI_20131019_15mresults_check.zip updated below
Channel Descriptor file="slcOLI_20131019_15mresults.pix"; 1 U8 SAM bottom typing----------------------------- 2 U8 image B average bottom brightness (0-200)----- 3 U8 image Z in decimeters------------------------- 4 U8 WCC reflectance (0-250) at 440.0 nm----------- 5 U8 WCC reflectance (0-250) at 480.0 nm----------- 6 U8 WCC reflectance (0-250) at 560.0 nm----------- 7 U8 WCC reflectance (0-250) at 590.0 nm----------- 8 U8 WCC reflectance (0-250) at 655.0 nm----------- 9 U8 WCCnormalized (0-250) at 440.0 nm>B----------- 10 U8 WCCnormalized (0-250) at 560.0 nm>G----------- 11 U8 WCCnormalized (0-250) at 480.0 nm>R----------- 12 S16 Z4SM in centimeters-------------------------- 13 S16 ZDTM in centimeters-------------------------- 14 S16 ZDTM-Z4SM in centimeters---------------------
slcOLI_20131019_15mresults.zip 50 MB

Continued to NEW PROCESSING