| l3gen | |
Creates a Level 3 bin file using applicable remote-sensing reflectance based algorithms applied to an input RRS level 3 input file.
SeaDAS-Toolbox -> SeaDAS Processors -> l3gen
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l3gen 9.11.0-V2025.1 (Jan 30 2025 18:48:09)
Usage: l3gen argument-list
The argument-list is a set of keyword=value pairs. The arguments can
be specified on the commandline, or put into a parameter file, or the
two methods can be used together, with commandline over-riding.
return value: 0=OK, 1=error, 110=north,south,east,west does not intersect
file data.
The list of valid keywords follows:
help (boolean) (alias=h) (default=false) = print usage information
version (boolean) (default=false) = print the version
information
dump_options (boolean) (default=false) = print
information about each option
dump_options_paramfile (ofile) = print
information about each option to paramfile
dump_options_xmlfile (ofile) = print
information about each option to XML file
par (ifile) = input parameter file
pversion (string) (default=Unspecified) = processing version string
suite (string) (default=OC) = product suite string for loading
suite-specific defaults
eval (int) (default=0) = evaluation bitmask
0: standard processing
1: init to old aerosol models
2: enables MODIS and MERIS cloud Mask for HABS
16: enables MODIS cirrus mask
32: use test sensor info file
64: use test rayleigh tables
128: use test aerosol tables
256: use test polarization tables
1024: mask modis mirror-side 1 (navfail)
2048: mask modis mirror-side 2 (navfail)
4096: don't apply 'cold-only' or equatorial aerosol tests for SST
8192: use alt sensor info file in eval
32768: enables spherical path geom for dtran
ifile (ifile) (alias=ifile1) = input L1 file name
ilist (ifile) = file containing list of input files, one per line
geofile (ifile) = input L1 geolocation file name (MODIS/VIIRS only)
ofile (ofile) (alias=ofile1) (default=output) = output file #1 name,
output vicarious L1B for inverse mode
ofile[#] = additional output L2 file name
oformat (string) (default=netCDF4) = output file format
netcdf4: output a netCDF version 4 file
hdf4: output a HDF version 4 file
il2file (ifile) (alias=il2file1) = input L2 file names for sensor to be
used as a calibrator. Alternatively, a data point can be used as a
calibrator (e.g. MOBY)
il2file[#] = additional L2 calibration file names
tgtfile (ifile) = vicarious calibration target file
aerfile (ifile) = aerosol model specification file
metafile (ifile) = output meta-data file
l2prod (string) (alias=l2prod1) = L2 products to be included in ofile #1
l2prod[#] = L2 products to be included in ofile[#]
proc_ocean (int) (default=1) = toggle ocean processing
1: On
0: Off
2: force all pixels to be processed as ocean
proc_land (boolean) (default=off) = toggle land processing
proc_sst (boolean) (default=false) = toggle SST processing
(default=1 for MODIS, 0 otherwise)
proc_cloud (boolean) (default=off) = toggle cloud processing
proc_uncertainty (int) (default=0) = uncertainty propagation mode
0: without uncertainty propagation
1: uncertainty propagation generating error variance 2: uncertainty propagation generating full covariance matrix
atmocor (boolean) (default=on) = toggle atmospheric correction
mode (int) (default=0) = processing mode
0: forward processing
1: inverse (calibration) mode, targeting to nLw=0
2: inverse (calibration) mode, given nLw target
3: inverse (calibration) mode, given Lw target (internally normalized)
aer_opt (int) (default=99) = aerosol mode option
-99: No aerosol subtraction
>0: Multi-scattering with fixed model (provide model number, 1-N,
relative to aermodels list)
0: White aerosol extrapolation.
-1: Multi-scattering with 2-band model selection
-2: Multi-scattering with 2-band, RH-based model selection and
iterative NIR correction
-3: Multi-scattering with 2-band model selection
and iterative NIR correction
-4: Multi-scattering with fixed model pair
(requires aermodmin, aermodmax, aermodrat specification)
-5: Multi-scattering with fixed model pair
and iterative NIR correction
(requires aermodmin, aermodmax, aermodrat specification)
-6: Multi-scattering with fixed angstrom
(requires aer_angstrom specification)
-7: Multi-scattering with fixed angstrom
and iterative NIR correction
(requires aer_angstrom specification)
-8: Multi-scattering with fixed aerosol optical thickness
(requires taua specification)
-9: Multi-scattering with 2-band model selection using Wang et al. 2009
to switch between SWIR and NIR. (MODIS only, requires aer_swir_short,
aer_swir_long, aer_wave_short, aer_wave_long)
-10: Multi-scattering with MUMM correction
and MUMM NIR calculation
-17: Multi-scattering epsilon, RH-based model selection
and iterative NIR correction
-18: Spectral Matching of aerosols reflectance
and iterative NIR correction
-19: Multi-scattering epsilon (linear), RH-based model selection
and iterative NIR correction
aer_wave_short (int) (default=765) = shortest sensor wavelength for aerosol
model selection
aer_wave_long (int) (default=865) = longest sensor wavelength for aerosol
model selection
aer_wave_base (int) (default=865) = base sensor wavelength for aerosol
extrapolation
aer_swir_short (int) (default=-1) = shortest sensor wavelength for
SWIR-based NIR Lw correction
aer_swir_long (int) (default=-1) = longest sensor wavelength for SWIR-based
NIR Lw correction
aer_rrs_short (float) (default=-1.0) = Rrs at shortest sensor wavelength for
aerosol model selection
aer_rrs_long (float) (default=-1.0) = Rrs at longest sensor wavelength for
aerosol model selection
aermodmin (int) (default=-1) = lower-bounding model to use for fixed model
pair aerosol option
aermodmax (int) (default=-1) = upper-bounding model to use for fixed model
pair aerosol option
aermodrat (float) (default=0.0) = ratio to use for fixed model pair aerosol
option
aer_angstrom (float) (default=-999.0) = aerosol angstrom exponent for model
selection
aer_iter_max (int) (default=10) = maximum number of iterations for NIR
water-leaving radiance estimation.
mumm_alpha (float) (default=1.72) = water-leaving reflectance ratio for MUMM
turbid water atmospheric correction
mumm_gamma (float) (default=1.0) = two-way Rayleigh-aerosol transmittance
ratio for MUMM turbid water atmospheric correction
mumm_epsilon (float) (default=1.0) = aerosol reflectance ratio for MUMM
turbid water atmospheric correction
absaer_opt (int) (default=0) = absorbing aerosol flagging option
0: disabled
1: use rhow_412 aerosol index test
2: GMAO ancillary aerosol test
glint_opt (int) (default=1) = glint correction:
0: glint correction off
1: standard glint correction
2: simple glint correction
oxaband_opt (int) (default=0) = oxygen A-band correction
0: no correction
1: Apply Ding and Gordon (1995) correction
2: Apply oxygen transmittance from gas transmittance table (see gas_opt) 3: Compute oxygen transmittance from A-band and surrounding window bands. Requires AMF gas trasmittance table
cirrus_opt (boolean) (default=false) = cirrus cloud reflectance correction option
filter_opt (boolean) (default=false) = filtering input data option
filter_file (ifile) (default=$OCDATAROOT/sensor/sensor_filter.dat) =
data file for input filtering
brdf_opt (int) (default=0) = Bidirectional reflectance correction
0: no correction
1: Fresnel reflection/refraction correction for sensor path
3: Fresnel reflection/refraction correction for sensor + solar path
7: Morel f/Q + Fresnel solar + Fresnel sensor
15: Gordon DT + Morel f/Q + Fresnel solar + Fresnel sensor
19: Morel Q + Fresnel solar + Fresnel sensor
fqfile (ifile) (default=$OCDATAROOT/common/morel_fq.nc) = f/Q correction file
parfile (ifile) = par climatology file for NPP calculation
gas_opt (int) (default=1) = gaseous transmittance bitmask selector
0: no correction
1: Ozone
2: CO2
4: NO2
8: H2O
16: Use ATREM
32: Use <sensor>_gas_transmittance.nc tables
64: CO
128: CH4
256: N2O
gas_transmittance_file (ifile) = gaseous transmittance file
atrem_opt (int) (default=0) = ATREM gaseous transmittance bitmask selector
0: H2O only
1: Ozone
2: CO2
4: NO2
8: CO
16: CH4
32: O2
64: N2O
atrem_full (int) (default=0) = ATREM gaseous transmittance calculation option
0: Calculate transmittance using k-distribution method (fast)
1: Calculate transmittance using full method (slow)
atrem_geom (int) (default=0) = ATREM gaseous transmittance geometry option
0: Only recalculate geometry when error threshold reached (fast)
1: Recalculate geometry every pixel (slow)
atrem_model (int) (default=0) = ATREM gaseous transmittance Atm. model selection
0: Use pixel's latitude and date to determine model
1: tropical
2: mid latitude summer
3: mid latitude winter
4: subarctic summer
5: subarctic winter
6: US standard 1962
atrem_splitpaths (int) (default=0) = ATREM gaseous transmittance split paths between solar and sensor (turns atrem_full on)
0: Calculates transmittance over total path length (default)
1: Calculates transmittance over separate solar and sensor paths (slow)
iop_opt (int) (default=0) = IOP model for use in downstream products
0: None (products requiring a or bb will fail)
1: Carder
2: GSM
3: QAA
4: PML
5: NIWA
6: LAS
7: GIOP
cphyt_opt (int) (default=1) = model for phytoplankton carbon
1: Graff/Westberry
2: Behrenfeld
seawater_opt (int) (default=0) = seawater IOP options
0: static values
1: temperature & salinity-dependent seawater nw, aw, bbw
polfile (ifile) = polarization sensitivities filename leader
pol_opt (int) (default=-1) = polarization correction (sensor-specific)
0: no correction
1: only Rayleigh component is polarized
2: all radiance polarized like Rayleigh
3: only Rayleigh and Glint are polarized (MODIS default)
4: all radiance polarized like Rayleigh + Glint
band_shift_opt (int) (default=0) = bandshifting option
1: apply bio-optical bandshift
0: linear interpolation
giop_aph_opt (int) (default=2) = GIOP model aph function type
0: tabulated (supplied via giop_aph_file)
2: Bricaud et al. 1995 (chlorophyll supplied via default empirical algorithm)
3: Ciotti and Bricaud 2006 (size fraction supplied via giop_aph_s)
giop_aph_file (ifile) (default=$OCDATAROOT/common/aph_default.txt) =
GIOP model, tabulated aph spectra
giop_uaph_file (ifile) (default=$OCDATAROOT/common/aph_unc_default.txt) =
GIOP model, tabulated aph uncertainty spectra
giop_aph_s (float) (default=-1000.0) = GIOP model, spectral parameter
for aph
giop_adg_opt (int) (default=1) = GIOP model adg function type
0: tabulated (supplied via giop_adg_file)
1: exponential with exponent supplied via giop_adg_s)
2: exponential with exponent derived via Lee et al. (2002)
3: exponential with exponent derived via OBPG method
giop_adg_file (string) (default=$OCDATAROOT/common/adg_default.txt) =
GIOP model, tabulated adg spectra
giop_uadg_file (ifile) (default=$OCDATAROOT/common/adg_unc_default.txt) =
GIOP model, tabulated adg uncertainty spectra
giop_adg_s (float) (default=0.018) = GIOP model, spectral parameter
for adg
giop_uadg_s (float) (default=0.0) = GIOP model, uncertainty of spectral
parameter for adg
giop_bbp_opt (int) (default=3) = GIOP model bbp function type
0: tabulated (supplied via giop_bbp_file)
1: power-law with exponent supplied via giop_bbp_s)
2: power-law with exponent derived via Hoge & Lyon (1996)
3: power-law with exponent derived via Lee et al. (2002)
5: power-law with exponent derived via Ciotti et al. (1999)
6: power-law with exponent derived via Morel & Maritorena (2001)
7: power-law with exponent derived via Loisel & Stramski (2000)
8: spectrally independent vector derived via Loisel & Stramski (2000)
9: fixed vector derived via Loisel & Stramski (2000)
10: fixed vector derived via lee et al. (2002)
11: fixed vector derived via McKinna et al. (2021)
12: fixed vector derived via Huot et al. (2008)
giop_bbp_file (ifile) (default=$OCDATAROOT/common/bbp_default.txt) =
GIOP model, tabulated bbp spectra
giop_ubbp_file (ifile) (default=$OCDATAROOT/common/bbp_default.txt) =
GIOP model, tabulated bbp uncertainty spectra
giop_bbp_s (float) (default=-1000.0) = GIOP model, spectral parameter
for bbp
giop_ubbp_s (float) (default=0.0) = GIOP model, uncertainty in spectral
parameter for bbp
giop_acdom_opt (int) (default=1) = GIOP model acdom function type
0: tabulated (supplied via giop_acdom_file)
1: no data
giop_acdom_file (ifile) =
GIOP model, file of specific CDOM absorption coefficients for aLMI
giop_uacdom_file (ifile) =
GIOP model, file of specific CDOM absorption uncertainties for aLMI
giop_anap_opt (int) (default=1) = GIOP model anap function type
0: tabulated (supplied via giop_anap_file)
1: no data
giop_anap_file (ifile) =
GIOP model, file of specific NAP absorption coefficients for aLMI
giop_uanap_file (ifile) =
GIOP model, file of specific NAP absorption coefficient uncertainties for aLMI
giop_bbph_opt (int) (default=1) = GIOP model bbph function type
0: tabulated (supplied via giop_bbph_file)
1: no data
giop_bbph_file (ifile) =
GIOP model, file of specific phytoplankton backscattering coefficients for aLMI
giop_ubbph_file (ifile) =
GIOP model, file of specific phytoplankton backscatteirng coefficient uncertainties for aLMI
giop_bbnap_opt (int) (default=1) = GIOP model bbnap function type
0: tabulated (supplied via giop_bbnap_file)
1: no data
giop_bbnap_file (ifile) =
GIOP model, file of specific NAP backscattering coefficients for aLMI
giop_ubbnap_file (ifile) =
GIOP model, file of specific NAP backscattering coefficient uncertainties for aLMI
giop_rrs_opt (int) (default=0) = GIOP model Rrs to bb/(a+bb) method
0: Gordon quadratic (specified with giop_grd)
1: Morel f/Q
giop_rrs_unc_opt (int) (default=0) = GIOP model Rrs uncertainties option
0: none
1: sensor-derived Rrs uncertainties
2: input spectral absolute uncertainties using giop_rrs_unc, as comma-separated
array with spectral resolution matching sensor
3: input spectral relative uncertainties using giop_rrs_unc, as comma-separated
array with spectral resolution matching sensor
giop_rrs_diff (float) (default=0.33) = GIOP model, maximum difference between input and modeled Rrs
giop_grd (float) (default=[0.0949,0.0794]) = GIOP model, Gordon
Rrs to bb/(a+bb) quadratic coefficients
giop_wave (float) (default=-1) = GIOP model list of sensor wavelengths for
optimization comma-separated list, default is all visible bands (400-700nm)
giop_maxiter (int) (default=50) = GIOP Model iteration limit
giop_fit_opt (int) (default=1) = GIOP model optimization method
0: Amoeba optimization
1: Levenberg-Marquardt optimization
3: SVD matrix inversion
4: SIOP adaptive matrix inversion
gsm_opt (int) (default=0) = GSM model options
0: default coefficients
1: Chesapeake regional coefficients
gsm_fit (int) (default=0) = GSM fit algorithm
0: Amoeba
1: Levenberg-Marquardt
gsm_adg_s (float) (default=0.02061) = GSM IOP model, spectral slope for adg
gsm_bbp_s (float) (default=1.03373) = GSM IOP model, spectral slope for bbp
gsm_aphw (float) (default=[412.0, 443.0, 490.0, 510.0, 555.0, 670.0]) =
GSM IOP model, wavelengths of ap* table
gsm_aphs (float) (default=[0.00665, 0.05582, 0.02055, 0.01910, 0.01015, 0.01424]) = GSM IOP model, coefficients of ap* table
qaa_adg_s (float) (alias=qaa_S) (default=0.015) = QAA IOP model, spectral
slope for adg
qaa_wave (int) = sensor wavelengths for QAA algorithm
chloc2_wave (int) (default=[-1,-1]) = sensor wavelengths for OC2 chlorophyll
algorithm
chloc2_coef (float) (default=[0.0,0.0,0.0,0.0,0.0]) = coefficients for OC2
chlorophyll algorithm
chloc3_wave (int) (default=[-1,-1,-1]) = sensor wavelengths for OC3
chlorophyll algorithm
chloc3_coef (float) (default=[0.0,0.0,0.0,0.0,0.0]) = coefficients for OC3
chlorophyll algorithm
chloc4_wave (int) (default=[-1,-1,-1,-1]) = sensor wavelengths for OC4
chlorophyll algorithm
chloc4_coef (float) (default=[0.0,0.0,0.0,0.0,0.0]) = coefficients for OC4
chlorophyll algorithm
kd2_wave (int) (default=[-1,-1]) = sensor wavelengths for polynomial Kd(490)
algorithm
kd2_coef (float) (default=[0.0,0.0,0.0,0.0,0.0,0.0]) = sensor wavelengths
for polynomial Kd(490) algorithm
flh_offset (float) (default=0.0) = bias to subtract
from retrieved fluorescence line height
flh_base_wavelengths (float) = flh baseline wavelengths
flh_height_wavelength (float) (default=-1.0) = flh height wavelength
vcnnfile (ifile) = virtual constellation neural net file
picfile (ifile) = pic table for Balch 2-band algorithm
owtfile (ifile) = optical water type file
owtchlerrfile (ifile) = chl error file associate with optical water type
aermodfile (ifile) = aerosol model filename leader
uncertaintyfile (ifile) = uncertainty LUT
aermodels (string) (default=[r30f95v01,r30f80v01,r30f50v01,r30f30v01,r30f20v01,r30f10v01,r30f05v01,r30f02v01,r30f01v01,r30f00v01,r50f95v01,r50f80v01,r50f50v01,r50f30v01,r50f20v01,r50f10v01,r50f05v01,r50f02v01,r50f01v01,r50f00v01,r70f95v01,r70f80v01,r70f50v01,r70f30v01,r70f20v01,r70f10v01,r70f05v01,r70f02v01,r70f01v01,r70f00v01,r75f95v01,r75f80v01,r75f50v01,r75f30v01,r75f20v01,r75f10v01,r75f05v01,r75f02v01,r75f01v01,r75f00v01,r80f95v01,r80f80v01,r80f50v01,r80f30v01,r80f20v01,r80f10v01,r80f05v01,r80f02v01,r80f01v01,r80f00v01,r85f95v01,r85f80v01,r85f50v01,r85f30v01,r85f20v01,r85f10v01,r85f05v01,r85f02v01,r85f01v01,r85f00v01,r90f95v01,r90f80v01,r90f50v01,r90f30v01,r90f20v01,r90f10v01,r90f05v01,r90f02v01,r90f01v01,r90f00v01,r95f95v01,r95f80v01,r95f50v01,r95f30v01,r95f20v01,r95f10v01,r95f05v01,r95f02v01,r95f01v01,r95f00v01]) = aerosol models
met1 (ifile) (default=$OCDATAROOT/common/met_climatology.hdf) =
1st meteorological ancillary data file
met2 (ifile) = 2nd meteorological ancillary data file
met3 (ifile) = 3rd meteorological ancillary data file
ozone1 (ifile) (default=$OCDATAROOT/common/ozone_climatology.hdf) =
1st ozone ancillary data file
ozone2 (ifile) = 2nd ozone ancillary data file
ozone3 (ifile) = 3rd ozone ancillary data file
rad1 (ifile) = Ancillary data for PAR, 1st file
rad2 (ifile) = Ancillary data for PAR, 2nd file
rad3 (ifile) = Ancillary data for PAR, 3rd file
anc_profile1 (ifile) =
1st ancillary profile data file
anc_profile2 (ifile) =
2nd ancillary profile data file
anc_profile3 (ifile) =
3rd ancillary profile data file
anc_aerosol1 (ifile) =
1st ancillary aerosol data file
anc_aerosol2 (ifile) =
2nd ancillary aerosol data file
anc_aerosol3 (ifile) =
3rd ancillary aerosol data file
sfc_albedo (ifile) =
ancillary cloud albedo data file
cth_albedo (ifile) =
ancillary albedo file for cloud top height use
anc_cor_file (ifile) = ozone correction file
pixel_anc_file (ifile) = per pixel ancillary data file
land (ifile) (default=$OCDATAROOT/common/gebco_ocssw_v2020.nc) = land mask file
water (ifile) (default=$OCDATAROOT/common/gebco_ocssw_v2020.nc) =
shallow water mask file
demfile (ifile) (default=$OCDATAROOT/common/gebco_ocssw_v2020.nc) =
digital elevation map file
dem_auxfile (ifile) = auxiliary digital elevation map file
mldfile (ifile) = Multi-layer depth file
icefile (ifile) (default=$OCDATAROOT/common/ice_mask.hdf) = sea ice file
ice_threshold (float) (default=0.1) = sea ice fraction above which will be
flagged as sea ice
sstcoeffile (ifile) = IR sst algorithm coefficients file
dsdicoeffile (ifile) = SST dust correction algorithm coefficients file
sstssesfile (ifile) = IR sst algorithm error statistics file
sst4coeffile (ifile) = SWIR sst algorithm coefficients file
sst4ssesfile (ifile) = SWIR sst algorithm error statistics file
sst3coeffile (ifile) = Triple window sst algorithm coefficients file
sst3ssesfile (ifile) = Triple window sst algorithm error statistics file
sstfile (ifile) (default=$OCDATAROOT/common/sst_climatology.hdf) = input
SST reference file
sstreftype (int) (default=0) = Reference SST field source
0: Reynolds OI SST reference file
1: AMSR-E daily SST reference file
2: AMSR-E 3-day SST reference file
3: ATSR monthly SST reference file
4: NTEV2 monthly SST reference file
5: AMSR-E 3-day or night SST reference file
6: WindSat daily SST reference file
7: WindSat 3-day SST reference file
8: WindSat 3-day or night SST reference file
sstrefdif (float) (default=100.0) = stricter sst-ref difference threshold
viirsnv7 (int) (default=-1) = =1 to use the VIIRSN V7 high senz latband sst and sst3 equations
viirsnosisaf (int) (default=0) = =1 to use the VIIRSN OSI-SAF sst and sst3 equations
no2file (ifile) (default=$OCDATAROOT/common/no2_climatology.hdf) = no2
ancillary file
alphafile (ifile) (default=$OCDATAROOT/common/alpha510_climatology.hdf) =
alpha510 climatology file
tauafile (ifile) (default=$OCDATAROOT/common/taua865_climatology.hdf) =
taua865 climatology file
flaguse (string) (default=) = Flags to use
xcalbox (int) (default=0) = pixel size of the central box in the L1 scene
(e.g. 5 pixels around MOBY) to be extracted into xcalfile for the
cross-calibration, 0=whole L1
xcalboxcenter (int) (default=[0,0]) = Central [ipix, iscan] of the box in
the L1 scene, [0,0] = center of the L1 scene
xcalpervalid (int) (default=0) = min percent of valid cross-calibration
pixels within the box or the L1 scene, 0 = at least 1 pixel
xcalsubsmpl (int) (default=1) = Sub-sampling rate for the data to be used
for the cross-calibration
chlthreshold (float) (default=100.000000) = threshold on L2 data chlorophyll
(100.000000=CHL_MAX)
aotthreshold (float) (default=1.000000) = threshold on L2 data AOTs
(1.000000=AOT_MAX)
coccolith (float) (default=[1.1,0.9,0.75,1.85,1.0,1.65,0.6,1.15]) =
coccolithophore algorithm coefs
cirrus_thresh (float) (default=[-1.0,-1.0]) = cirrus reflectance thresholds
taua (float) = [taua_band1,...,taua_bandn] aerosol optical thickness of the
calibration data point
absaer (float) (default=0.0) = absorbing aerosol threshold on aerosol index
rhoamin (float) (default=0.0001) = min NIR aerosol reflectance to attempt
model lookup
epsmin (float) (default=0.85) = minimum epsilon to trigger atmospheric
correction failure flag
epsmax (float) (default=1.35) = maximum epsilon to trigger atmospheric
correction failure flag
tauamax (float) (default=0.3) = maximum 865 aerosol optical depth to trigger
hitau flag
nLwmin (float) (default=0.15) = minimum nLw(555) to trigger low Lw flag
wsmax (float) (default=12.0) = windspeed limit on white-cap correction in m/s
windspeed (float) (default=-1000.0) = user over-ride of windspeed in m/s
(-1000=use ancillary files)
windangle (float) (default=-1000.0) = user over-ride of wind angle in deg
(-1000=use ancillary files)
pressure (float) (default=-1000.0) = user over-ride of atmospheric pressure
in mb (-1000=use ancillary files)
ozone (float) (default=-1000.0) = user over-ride of ozone concentration in
cm (-1000=use ancillary files)
relhumid (float) (default=-1000.0) = user over-ride of relative humidity in
percent (-1000=use ancillary files)
watervapor (float) (default=-1000.0) = user over-ride of water vapor in
g/cm^2 (-1000=use ancillary files)
vcal_opt (int) (default=-1) = Vicarious calibration option
vcal_chl (float) (default=-1.0) = Vicarious calibration chl
vcal_solz (float) (default=-1.0) = Vicarious calibration solz
vcal_nLw (float) = Vicarious calibration normalized water leaving radiances
vcal_Lw (float) = Vicarious calibration water leaving radiances
vcal_depth (float) (default=-1000.0) = depth to use to exclude data from target file
e.g. -1000 excludes depths less than 1000m
vcal_min_nbin (int) (default=4) = minimum # of samples in a bin for acceptance
vcal_min_nscene (int) (default=3) = minimum # of scenes in a bin for acceptance
owmcfile (ifile) (default=$OCDATAROOT/common/owmc_lut.hdf) = lut for OWMC
classification
north (float) (default=-999) = north boundary
south (float) (default=-999) = south boundary
east (float) (default=-999) = east boundary
west (float) (default=-999) = west boundary
xbox (int) (default=-1) = number of pixels on either side of the SW point
ybox (int) (default=-1) = number of scan lines on either side of the SW point
subsamp (int) (default=1) = sub-sampling interval
prodxmlfile (ofile) = output XML file describing all possible products
breflectfile (ifile) = input NetCDF file for bottom reflectances and bottom types
bpar_validate_opt (int) (default=0) = use solar noon(0), use sensor overpass (1)
bpar_elev_opt (int) (default=0) = use bathymery (0), user-defined geometric depth (1)
bpar_elev_value (float) (default=30.0) = user defined bpar geometric depth value
deflate (int) (default=0) = deflation level
raman_opt (int) (default=0) = Raman scattering Rrs correction options
0: no correction
1: Lee et al. (2013) empirical correction
2: Westberry et al. (2013) analytical correction
3: Lee et al. (1994) analytical correction
gmpfile (ifile) = GMP geometric parameter file (MISR only)
water_spectra_file (ifile) = water absorption/scattering coefficient file
shallow_water_depth (float) (default=30.0) = threshold for flagging shallow water
avw_coef (float) (default=[0.0,0.0,0.0,0.0,0.0,0.0]) = coefficients for AVW
cloud_hgt_file (ifile) = Cloud height and temperature file
Currently, use the MODIS L2 cloud file (MYD06...)
from the LAADS DAAC
doi (string) = Digital Object Identifier (DOI) string
wavelength_3d (string) = wavelength_3d input, written in ascending order
with format 'wavelength_3d=nnn,nnn,nnn' where nnn is a sensor wavelength
or a range of wavelengths as follows 'nnn:nnn'
mbac_wave (int) = bands used for mbac atmospheric correction
calfile (ifile) = system calibration file
rad_opt (int) (default=0) = radiation correction option (sensor-specific)
0: no correction
1: apply MERIS Smile correction
viirscalparfile (ifile) = VIIRS L1A calibration parameter file name (VIIRS only)
geom_per_band (boolean) (default=0) = geometry per band option:
0: use nominal viewing geometry - same for all bands
1: use band-specific viewing geometry (if available)
xcalfile (ifile) = cross-calibration file
xcal_opt (int) = cross-calibration option (sensor-specific) comma separated
list of option values, 1 per band, with bands listed in xcal_wave.
3: apply cross-calibration corrections (polarization and rvs)
2: apply cross-calibration polarization corrections
1: apply cross-calibration rvs corrections
0: no correction
xcal_wave (float) = wavelengths at which to apply cross-calibration. Comma
separated list of sensor wavelength values associated with xcal_opt.
resolution (int) (default=-1) = processing resolution (MODIS only)
-1: standard ocean 1km processing
1000: 1km resolution including aggregated 250 and 500m land bands
500: 500m resolution including aggregated 250 land bands and
replication for lower resolution bands
250: 250m resolution with replication for lower resolution bands
newavhrrcal (int) (default=0) = =1 for new noaa-16 calibration
ch22detcor (float) (default=[1.0,1.0,1.0,1.0,1.0,1.0,1.0,1.0,1.0,1.0]) =
Channel 22 detector corrections (MODIS only)
ch23detcor (float) (default=[1.0,1.0,1.0,1.0,1.0,1.0,1.0,1.0,1.0,1.0]) =
Channel 23 detector corrections (MODIS only)
sl_pixl (int) (default=-1) = SeaWiFS only, number of LAC pixels for
straylight flagging
sl_frac (float) (default=0.25) = SeaWiFS only, straylight fractional
threshold on Ltypical
outband_opt (int) (default=99) = out-of-band correction for water-leaving
radiances
2: On (default for MODIS, SeaWiFS, OCTS)
0: Off (default for MOS, OSMI)
maskland (boolean) (default=on) = land mask option
maskbath (boolean) (default=off) = shallow water mask option
maskcloud (boolean) (default=on) = cloud mask option
maskglint (boolean) (default=off) = glint mask option
masksunzen (boolean) (default=off) = large sun zenith angle mask option
masksatzen (boolean) (default=off) = large satellite zenith angle mask option
maskhilt (boolean) (default=on) = high Lt masking
maskstlight (boolean) (default=on) = stray light masking
sunzen (float) (default=75.0) = sun zenith angle threshold in deg.
satzen (float) (default=60.0) = satellite zenith angle threshold
hipol (float) (default=0.5) = threshold on degree-of-polarization to set
HIPOL flag
glint_thresh (float) (alias=glint) (default=0.005) = high sun glint threshold
cloud_thresh (float) (alias=albedo) (default=0.027) = cloud reflectance
threshold
cloud_wave (float) (default=865.0) = wavelength of cloud reflectance test
cloud_eps (float) (default=-1.0) = cloud reflectance ratio threshold
(-1.0=disabled)
cloud_mask_file (ifile) = cloud mask file
cloud_mask_opt (int) (default=0) = cloud mask file variable name
0: cloud_flag
1: cloud_flag_dilated
offset (float) = calibration offset adjustment
gain (float) = calibration gain multiplier
spixl (int) (default=1) = start pixel number
epixl (int) (default=-1) = end pixel number (-1=the last pixel)
dpixl (int) (default=1) = pixel sub-sampling interval
sline (int) (default=1) = start line number
eline (int) (default=-1) = end line number (-1=the last line)
dline (int) (default=1) = line sub-sampling interval
georegion_file (string) = geo region mask file with lat,lon,georegion 1=process pixel, 0=do not
extreme_glint (float) (default=0.03) = extreme sun glint threshold
watervapor_bands (int) = bands used for calculating water vapor based on 3-band depth approach