4SM tmnov-tutorial-calibration1

Work in progress

upgraded to 4SM.8.02
down to here

december 2017

Calibration 1 starts from the command line
formatted by the AutoCAL process
without KIKJregression
and modified for Lswnir and GlintM

Conclusion: the following applies

Glintm=Lswnir=2.9
GlintM=10.0 over the whole image
- to preclude heavy damages at very shallow locations
GlintM=19.0 on a local basis
- haze, clouds

Calibration 1 after Model 1

nice -20 ./4SM.4.08 -Process/14_Aug_2011 -OriginFUGRO-NPA @@
-DB/tmnov/31_1_0_0/4_1/1265_1559/208.365_2398.755/1_1 @@
-Mis/Bahamas/Caicos/Landsat/TM/FUGRO-NPA/UTM_19_008/0.030_0.030/22_NOV_1990   @@
-LS/0255.0/255.0/255.0/255.0.......................................may be removed @@
-cWL/0.500/0.602/0.500/0.500_AutoCAL         @@
-M/@000001/00002/00003/00004             @@
@CP/0000.0/000.0/000.0/000.0_1.52m.......................................may be removed       @@
-LsM/199.8/104.0/121.2/099.1_AutoCAL         @@
-Lsw/061.0/017.7/011.2/006.9_AutoCAL.......................................may be removed      @@
-Lsw/60.42/17.41/10.79/06.50                  @@
-dLsw000.0/000.0/000.0/000.0         @@
-Lw/0009.8/001.5/000.0/000.0_AutoCAL         @@
-Lm/0001.0/001.0/001.0/255.0             @@
-KK1_2_0.5195/Knir4.500/mask_3_AutoCAL         @@
-Z/MSL0.00/n_1/RLBgb1.000/mask_3_AutoCAL     @@
-B/tclNe/Bmin0/cLM1.00             @@
-deglint/vRbaD/GlintM25.0_AutoCAL      @@
-deglint/vRbaD/GlintM10.0_AutoCAL      @@
-extract/v/mBPL2/mask_3             @@
-Calibrate/v/BdSNpZG/BDh_12_13_34         @@

Please enable .../BdSNpZg/... in order to display the Z2 vs Z3 inserts

Water type OII+0.086
Kblue/Kgreen~=0.52 quite neat
an odd "bump" around 1.2 m
LsM badly needs attention, starting with LsMNIR
Z2 vs Z3 inserts are a good indicator of misfit parameters
calibration strategy : we shall proceed step by step
- correct LsM
- are wavelengths OK?
- are Lsw values OK?
- are Lw values OK?
- what about that "bump"?
- what value for RLBgb in -Z... argument?

Calibration strategy
we shall proceed step by step
correct LsM are wavelengths OK? are LsM OK: increase deglint/no_deglint ghost BPL bi-dimensional histograms calibration under a mask customizing the two-bands case seatruth are Lsw values OK? are Lw values OK? what about that "bump"? what value for RLBgb in -Z... argument?

Correct LsM

First get LsM_nir straight

This was a bad case (AutoCAL knows better at present):
Z3 is underestimated by ~0.2 m
- therefore, LsMred needs to be increase
Decreasing LsMnir would not help much,
- as Kred is 5.3 times lower than Knir
Increasing LsMred by ~20 does the trick,
- as Kred is 5.3 times lower than Knir
see the result : How nice!

First get LsM_nir straight

Ours is a nice case : AutoCAL knows better at present
Nothing to do at this stage!
Suppose that Knir=4.5 m-1 is correct,
- then Kred=0.853 m-1 is also correct

-LsM/199.8/104.0/121.2/099.1_AutoCAL==>

==> -LsM/199.8/108.0/121.2/099.1

next to Calibration 2