SCIA2D_mlt.conf

!*****************************************************************************!
!                                                                             !
! Main configuration file for program SCIA2D                                  !
!                                                                             !
!*****************************************************************************!
!
!***************************** Directory structure ***************************!
!
! Number of emitting species (must be <=10)
Number of emitters
5
!
! Path to SCIA solar spectra [SolPath]
! Note that currently this setting has no effect because we overwrite it
! with the value from the commend line.
Solar spectra
auto
!
! Relative path to fallback solar spectrum 
!  that is used when a current spectrum is not available
! File may be zipped, but provide the file name WITHOUT ".gz" suffix here
Fallback solar spectrum
DATA/SCIA_solar_20100218_001751_41668.dat
!
! Correction factors to the reference solar spectrum
! can contain an actual filename or "auto" for automatic
! calculation per orbit.
solar correction factors
DATA/sol_nomfac2002-2012_mfac_2_238-282nm_daily.dat
!
! Line parameters of retrieval species
Line parameters
DATA/LinePars.dat
!
! Atmospheric structure 
! (species in columns, altitude grid in column 1,
! first line has to give the number of altitudes and the number of species)
Atmospheric structure
DATA/ACE_air_o3_50_200.dat
!
! Absorption cross sections
! (species in columns, wavelength grid in column 1,
! first line has to give the number of wavelengths and the number of species)
Cross sections
DATA/XSECT_air_o3_new.dat
!
! NO parameters: oscillator strengths, Einstein coefficients,...
NO parameters
DATA/Luqueetal.dat
!
! Ap index file
Ap index file
DATA/spidr_ap_2000-2012.dat
!
! Kp index file
Kp index file
DATA/spidr_kp_2000-2012.dat
!
! f10.7 index file
f10.7 index file
DATA/f107_noontime_flux_obs.txt
!
! f10.7a index file
f10.7a index file
DATA/f107a_noontime_flux_obs.txt
!
! f10.7 adjusted flux (to 1 AU) index file
f10.7 adjusted index file
DATA/spidr_f107_2000-2012.dat
!
! Wavelengths to calculate the absorption along rays
! Note that the order of values below must correspond to the order of species
!  in line parameter file (see above)
Absorption wavelengths
280.00   282.00
!
!***************************** Input data ************************************!
!
! Relative path to file that contains the full path of limb scan to be processed 
! (e.g. C:\SCIA\NADIR\SCIA_nadir_20060906_115958_23624.dat  )
Scan ID data path
Testdaten/orbit12908.txt
!
! Relative path to correction factors (note input format!)
Correction factors
KeyData/corrections.limbrad.irrad.spectralon
!
!***************************** Dark signal background value*******************!
!
! Dark signal estimate, can be a fixed positive value (e.g. empirical avarage
! dark signal) or negative:
! -1: use spectral median within [238.0, 282.0]
! -2: lowess smoothed spectrum (not implemented yet)
! -3: whittaker smoothed spectrum (not implemented yet)
!
dark background
3.9e9
!
!***************************** Altitude/retrieval grid ***********************!
!
! Minimal and maximal retrieval altitude [MinAlt,MaxAlt]
MinAlt and MaxAlt
60.  160.
!
! Altitude layer size [km]
dAlt
2.
!
! Minimal and maximal latitude [MinLat,MaxLat]
MinLat and MaxLat
-90  90
! number of horizontal grid points
NLat
72
!
!
! Altitude grid
! The measurement altitude grid can be extended by a number of altitude bins
! Note that the extension bins have to be located above the top
! measurement altitude to avoid numerical discontinuities
! Lower limit of extension bin no. 1 is upper limit of last measurement bin
!
! Extension format: No. of bins
!                   Lower/upper limits of bins [km]
!
Altitude grid extensions
0
  0.  120.
120.  150.
150.  250.
250.  500.
!
! Altitude above which absorption is neglected
TOA
200.
!
! Altitude below which we have only absorption
BOA
50.
!
! Altitude of the highest tangent point considered
! In general equal to TOA, change only for testing purposes
max TP alt
200.
!
! Altitude of the lowest tangent point considered
! In general equal to BOA, change only for testing purposes
min TP alt
50.
!
!******************************* Selection rules *****************************!
!
! Do a pure nadir retrieval without inclusion of limb measurements
Nadir retrieval
0
!
! Sort out certain measurements (1) or not (0) [iNight,iGEO,iSZA,iNLC]
Night
   1
Geolocation
   0
Large SZA
   1
NLC
   0
Skip SAA
   1
!
! Maximal SZA to be considered [MaxSZA, deg]
Maximal SZA
  95.000
!
! SAA cut-off intensity
SAA cut-off value
  8.8e10
!
! Geolocation boundaries to be sorted out (LonMin,LonMax,LatMin,LatMax) [deg]
Geolocation boundaries
  0.   0.   0.   0.
!
!***************************** Baseline fit parameters ***********************!
!
! Number of spectral windows for baseline fit (O3, AIR)
! Spectral ranges for background fit [nm,nm]
Baseline windows
 3
 270.   278.
 282.   284.
 286.   290.
!
!************************ Retrieval species fit parameters *******************!
!
! Number of retrieval windows
! Spectral intervals for retrieval species [nm,nm]
! WARNING: Specify one window for each retrieval species
Retrieval windows
 1
 270.    290.
!
! Specify which wavelength windows refers to which species
! Format: [species of window 1] [species of window 2] ...
! Note: Numbering of species follows the order of line specifications
! (e.g. in LinePars.dat)
Assignment of wl windows
1 2
!
!******************************* Regularization ******************************!
!
! Retrieval covariances 
! (rows: a priori, latitudinal, altitudinal)
! (columns: species 1, species 2,...)
! original values for MgII (species 1): 1.e-6, 1.e-5, 5.e-7 (3 km) (1.e-5 (1 km))
! original values for MgI (species 2): 5.e-2, 1.e-5, 1.e-5
! original values for unknown (species 3): 1.e-14, 5.e-6, 5.e-6
! original values for FeI (species 4): 1.e-10, 1.e-8, 1.e-8
! original values for NO (species 5): 3.e-17, 3.e-16, 3.e-16
Retrieval covariances
3.D-18   3.D-8    1.D-14   1.D-10   1.D-17
3.D-8    3.D-6    5.D-6    1.D-8    1.D-16
3.D-8    3.D-6    5.D-6    1.D-8    3.D-17
!
!***************************** Miscellaneous *********************************!
!
! Thresholds for rejection of measurements (Nadir, Limb) (0.259    0.879)
! To be given are thresholds  for ||yfit-ymeas|| / ||ymeas||
Error thresholds
1.E20   1.E20
!
! FWHM of spectral slit function [FWHM, nm]
Spectral FWHM
 .22
!
! Apply correction factors for solar spectrum and limb radiances
Do correction of radiances
0
!
! Operating system ('WINDOWS' or 'LINUX', provide left-justified!)
OS type
LINUX
!
! Maximal number of Levenberg-Marquardt steps
! ( A priori covariance is incresed by scaling factor in each step)
Maximal number of LM steps and scaling factor
20  2.0
!
! Maximal number of iteration steps in improving the solution
! Iterations are aborted if maximal number of steps is reached or 
! residual < conv_threshold * (initial residual)
Maximal number of iteration steps and convergence threshold
2000 .01
!
! The temperature to use when calculating the
! NO emission lines [K]
atmosphere temperature
200.
!
number of NO transitions
3
!
! The NO transitions to fit
! v_u  v_l  v_l_abs
! (default: 0  2  0)
NO transitions
0  2  0
1  4  0
1  5  0
0  3  0
0  1  0
!
! Rough correction of the polarisation effect
! on the NO rotational lines
NO polarisation correction
1
!
! NO Rayleigh background fit method
! 0: None
! 1: per NO gamma band (standard up to v5.0)
! 2: fixed Rayleigh fit window (parameters below)
NO Rayleigh fit method
1
!
! NO Rayleigh background fit window
! for case 2 above (min, max)
NO Rayleigh fit window
238 282
!
! NO apriori
! 0: null apriori
! 1: NOEM apriori
! 2: Regression apriori
NO apriori
0
!
! NO apriori altitude range
! zero below and above
! actual values between
NO apriori altitude range
40.0 160.0
!
! NO apriori scale factor
! use value times scale factor as apriori value
! a negative value switches on "automatic" scaling:
! -1: scale = f10.7_adj(day - 1) / 150
! -2: fit scale factor
! -3: scale according to the slant columns from one forward run
NO apriori scale
1.0
!
! NO apriori altitude smoothing scale
! Smooth the apriori xx km along the vertical direction
NO apriori smoothness
6.0
!
! NO apriori relative covariance scaling
! Scale the NO apriori covariance proportional
! to the NO apriori value (0 = no, 1 = yes)
! (default: 0)
NO apriori covariance relative
0
!
! NO apriori covariance factor
! Divide the NO apriori covariance by the given factor
! (= less weight) where the NO apriori values is not zero.
! (default: 1.0)
NO apriori covariance factor
1.0
!
!
! Number of the retrieval algorithm
! 0: old variant
! 1: new variant
! 2: new variant using Eigen3
Retrieval algorithm
1
!
! Use MLT scans for the retrieval
! 0: false (nominal scans)
! 1: true (MLT scans)
MLT
1