id | field name | definition |
0 | dsr_time |
binary time | size: 12 |
Time of creation
unit: "s since 2000-01-01"
value: float(./days) * 86400 + float(./seconds) + float(./microseconds) / 1000000
binary record | size: 12 |
ENVISAT binary datetime
id | field name | definition |
0 | days |
binary int32 | size: 4 |
days since January 1st, 2000 (may be negative)
unit: "days since 2000-01-01"
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1 | seconds |
binary uint32 | size: 4 |
seconds since start of day
unit: "s"
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2 | microseconds |
binary uint32 | size: 4 |
microseconds since start of second
unit: "1e-6 s"
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1 | min_val_non_sing |
binary double | size: 8 |
Minimum value used to check non-singularity of matrix
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2 | a_priori_switch |
binary uint16 | size: 2 |
Switch for usage of a priori pointing information
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3 | lin_fov_conv_switch |
binary uint16 | size: 2 |
Switch to enable linear FOV convolution
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4 | num_esd_ig2_temp |
binary uint16 | size: 2 |
Number of elements of the estimated standard deviation (ESD) vector for IG2 temperature profiles
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5 | num_esd_merged_temp |
binary uint16 | size: 2 |
Number of elements of the estimated standard deviation (ESD) vector for "ECMF merged with IG2" temperature profiles
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6 | spare_1 |
binary bytes | size: 6 |
Spare
|
hidden: true
|
7 | max_elements |
binary uint16 | size: 2 |
Maximum number of elements in profiles
|
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8 | num_unsuccess |
binary uint16 | size: 2 |
Number of allowed unsuccessful previous retrievals
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9 | enh_spec_range |
binary double | size: 8 |
Enhanced spectral range of microwindows used to decide whether a line inside the microwindow shall be considered as line or as nearby continuum
unit: "1/cm"
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10 | max_samples_fine |
binary uint16 | size: 2 |
Maximum number of spectral samples on fine grid
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11 | chi2_thresh |
binary double | size: 8 |
Threshold to check convergence of Chi^2
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12 | thresh_fitted_press |
binary double | size: 8 |
Threshold to check convergence of fitted pressure
|
|
13 | thresh_fitted_temp |
binary double | size: 8 |
Threshold to check convergence of fitted temperature
|
|
14 | vcm_akm_switch |
binary uint16 | size: 2 |
Switch for choosing between different ways to calculate VCM and AKM
|
|
15 | max_macro_iter_gauss |
binary uint16 | size: 2 |
Maximum number of Gauss-Newton macro-iterations
|
|
16 | spare_3 |
binary bytes | size: 2 |
Spare
|
hidden: true
|
17 | max_num_marq |
binary uint16 | size: 2 |
Maximum number of Marquardt micro-iterations
|
|
18 | low_thresh_press |
binary double | size: 8 |
Lower threshold of estimated pressure
unit: "hPa"
|
|
19 | up_thresh_press |
binary double | size: 8 |
Upper threshold of estimated pressure
unit: "hPa"
|
|
20 | low_thresh_temp |
binary double | size: 8 |
Lower threshold of estimated temperature
unit: "K"
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21 | up_thresh_temp |
binary double | size: 8 |
Upper threshold of estimated temperature
unit: "K"
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22 | low_thresh_cont |
binary double | size: 8 |
Lower threshold of estimated continuum parameter
unit: "cm2"
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23 | up_thresh_cont |
binary double | size: 8 |
Upper threshold of estimated continuum parameter
unit: "cm2"
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24 | constr_alt_corr_switch |
binary uint16 | size: 2 |
Switch for activation of contraining of altitude correction
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25 | constr_max_rel_p_corr |
binary double | size: 8 |
Contraining of maximum relative pressure correction
unit: "%"
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26 | spare_4 |
binary bytes | size: 14 |
Spare
|
hidden: true
|
27 | diff_spec_res |
binary double | size: 8 |
Difference between spectral resolution of general fine wavenumber grid and spectral grid of cross section look-up tables
unit: "1/cm"
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|
28 | pre_stored_switch |
binary uint16 | size: 2 |
Switch for using pre-stored spectra and Jacobian matrix
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29 | cont_param |
binary uint16 | size: 2 |
Control parameter for fitting of continuum and instrumental offset
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30 | up_alt_cont |
binary double | size: 8 |
Upper altitude limit where continuum shall be fitted
unit: "km"
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31 | zero_alt_cont |
binary double | size: 8 |
Altitude above which the continuum shall be set to zero
unit: "km"
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32 | num_modes |
binary uint16 | size: 2 |
Number of modes for thresholds
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33 | num_sweeps |
binary array[dim_0] |
dim_0: int(../num_modes)
binary uint16 | size: 2 |
Number of sweeps characterizing each mode
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34 | chi2_size_thresh |
binary array[dim_0] |
dim_0: int(../num_modes)
binary double | size: 8 |
Vector of thresholds to check the size of chi-square
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35 | marq_thresh |
binary array[dim_0] |
dim_0: int(../num_modes)
binary double | size: 8 |
Vector of thresholds to check Marquardt parameter
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|
|
36 | chi2_var_thresh |
binary double | size: 8 |
Threshold to check the chi-squared variation between previous and current iteration
|
|
37 | l2_var_thresh |
binary double | size: 8 |
Threshold to check the variation of weighted L2-norm of parameters
|
|
38 | max_fitted |
binary uint16 | size: 2 |
Maximum number of fitted parameters
|
|
39 | spec_overlap |
binary double | size: 8 |
Overlap of spectral range between two adjacent microwindows
unit: "%"
|
|
40 | temp_inc |
binary double | size: 8 |
Temperature increment used to compute perturbed temperature profile
unit: "K"
|
|
41 | cent_wvn |
binary double | size: 8 |
Central wavenumber of the line used as reference
unit: "1/cm"
|
|
42 | temp_coef_lorentz |
binary double | size: 8 |
Coefficient of temperature dependence of Lorentz half-width of the line used as reference
|
|
43 | guess_alt |
binary double | size: 8 |
Guess of altitude increment above highest level
unit: "km"
|
|
44 | red_fact |
binary double | size: 8 |
Reduction factor applied to guess of altitude increment
|
|
45 | up_lim_atm |
binary double | size: 8 |
Upper limit of atmosphere
unit: "km"
|
|
46 | half_width_ref |
binary double | size: 8 |
Half-width of the line used as reference
unit: "1/cm"
|
|
47 | max_temp_var_low |
binary double | size: 8 |
Maximum allowed temperature variation between atmospheric levels for lower altitudes
unit: "K"
|
|
48 | max_temp_var_high |
binary double | size: 8 |
Maximum allowed temperature variation between atmospheric levels for higher altitudes
unit: "K"
|
|
49 | alt_thresh_change |
binary double | size: 8 |
Altitude threshold where temperature thresholds are changed
unit: "km"
|
|
50 | max_var_half_width |
binary double | size: 8 |
Maximum allowed variation of half-width of the line between adjacent atmospheric levels
unit: "1/cm"
|
|
51 | num_max_atm |
binary uint16 | size: 2 |
Number of maximum levels for modeling of the atmosphere
|
|
52 | max_diff_gas |
binary uint16 | size: 2 |
Maximum number of different gases
|
|
53 | max_geom |
binary uint16 | size: 2 |
Maximum number of simulated geometries
|
|
54 | max_param_pt |
binary uint16 | size: 2 |
Maximum number of parameters to be retrieved for p, T and continuum
|
|
55 | coef_corr_grav |
binary array[2] | size: 16 |
Coefficients for latitude dependent correction of gravity acceleration
|
|
56 | eq_ref_temp |
binary double | size: 8 |
Equivalent reference temperature
unit: "K"
|
|
57 | eq_ref_press |
binary double | size: 8 |
Reference equivalent pressure at equivalent reference temperature used for line computation
unit: "hPa"
|
|
58 | approx_err_int |
binary double | size: 8 |
Approximation error of integrals (Curtis-Godson)
|
|
59 | init_temp_pert |
binary double | size: 8 |
Initial temperature of perturbed equivalent temperature
unit: "K"
|
|
60 | max_layers |
binary uint16 | size: 2 |
Maximum number of layers
|
|
61 | max_samp_integrand |
binary uint16 | size: 2 |
Minimum number of samples at which the integrand of each integral shall be computed
|
|
62 | max_base_profile_elems |
binary uint16 | size: 2 |
Maximum number of elements in base profiles
|
|
63 | min_integrate_var |
binary double | size: 8 |
Minimum value of integration variable
|
|
64 | num_add_iapt_num |
binary uint16 | size: 2 |
Number of additional IAPT numbers for each geometry above the lowest geometry
|
|
65 | half_width_mult_lorentz |
binary double | size: 8 |
Multiplier for Lorentz and Doppler half width used for Lorentz lineshape computations on the local coarse wavenumber grid
|
|
66 | half_width_mult_voigt |
binary double | size: 8 |
Multiplier for Doppler half width used for Voigt lineshape computations on the local fine wavenumber grid
|
|
67 | interp_switch |
binary int16 | size: 2 |
Switch for interpolation of absorption cross sections for geometries above the lowest geometry
|
|
68 | cross_switch |
binary uint16 | size: 2 |
Switch for usage of cross section lookup tables
|
|
69 | spare_6 |
binary bytes | size: 8 |
Spare
|
hidden: true
|
70 | co2_chi_switch |
binary uint16 | size: 2 |
Switch for computation of CO2 Chi factor
|
|
71 | mult_fact_voigt |
binary double | size: 8 |
Multiplication factor applied to approximate Voigt half width to determine the local fine grid
|
|
72 | mult_fact_coarse |
binary uint16 | size: 2 |
Multiplier for definition of local coarse wavenumber grid
|
|
73 | spare_7 |
binary bytes | size: 8 |
Spare
|
hidden: true
|
74 | num_samp_x |
binary uint16 | size: 2 |
Number of samples along x coordinate
|
|
75 | num_samp_y |
binary uint16 | size: 2 |
Number of samples along y coordinate
|
|
76 | great_base |
binary double | size: 8 |
Greater base of trapezium defining the vertical FOV
unit: "km"
|
|
77 | small_base |
binary double | size: 8 |
Smaller base of trapezium defining the vertical FOV
unit: "km"
|
|
78 | spare_8 |
binary bytes | size: 8 |
Spare
|
hidden: true
|
79 | lambda_damp_fact |
binary double | size: 8 |
Lambda damping factor
|
|
80 | scale_lambda_damp_fact |
binary double | size: 8 |
Scaling of lambda damping factor related to continuum parameters
|
|
81 | scale_dec_lambda |
binary double | size: 8 |
Scaling factor used to decrease lambda at each macro iteration
|
|
82 | scale_inc_lambda |
binary double | size: 8 |
Scaling factor used to increase lambda at each micro iteration
|
|
83 | max_rel_press_error |
binary double | size: 8 |
Threshold for maximum relative error of retrieved pressure
|
|
84 | temp_thresh_err |
binary double | size: 8 |
Temperature threshold used to check the maximum error of retrieved temperature
unit: "K"
|
|
85 | prev_prof_switch |
binary uint16 | size: 2 |
Switch for usage of previous retrieved profiles
|
|
86 | half_width_const |
binary array[3] | size: 24 |
Constants for computation of half-width
|
|
87 | chi2_prod_switch |
binary uint16 | size: 2 |
Switch for multiplication of VCM of retrieved profile with factor chi^2 for optimum estimate
|
|
88 | samp_inter_x_voigt |
binary double | size: 8 |
Sampling interval of x coordinate of Voigt LUT
|
|
89 | samp_inter_y_voigt |
binary double | size: 8 |
Sampling interval of y coordinate of Voigt LUT
|
|
90 | ref_half_width_exp |
binary double | size: 8 |
Reference half width exponent of lineshape to be computed
|
|
91 | ref_half_width |
binary double | size: 8 |
Reference half-width of lineshape to be computed
unit: "1/cm"
|
|
92 | esd_ig2_profile |
binary array[dim_0] |
Relative estimated standard deviation (ESD) for IG2 temperature profiles
dim_0: int(../num_esd_ig2_temp)
binary double | size: 8 |
unit: "%"
|
|
|
93 | altitude_esd_ig2_profile |
binary array[dim_0] |
Altitudes for ESD of IG2 temperature profiles
dim_0: int(../num_esd_ig2_temp)
binary double | size: 8 |
unit: "km"
|
|
|
94 | corr_length_ig2_vcm |
binary double | size: 8 |
Correlation length of estimated IG2 VCM
unit: "km"
|
|
95 | esd_merged_profile |
binary array[dim_0] |
Relative estimated standard deviation (ESD) for IG2 merged with ECMWF temperature profiles
dim_0: int(../num_esd_merged_temp)
binary double | size: 8 |
unit: "%"
|
|
|
96 | altitude_esd_merged_profile |
binary array[dim_0] |
Altitudes for ESD of IG2 merged with ECMWF temperature profiles
dim_0: int(../num_esd_merged_temp)
binary double | size: 8 |
unit: "km"
|
|
|
97 | corr_length_merged_vcm |
binary double | size: 8 |
Correlation length of estimated IG2+ECMWF VCM
unit: "km"
|
|
98 | time_const_aging_vcm |
binary double | size: 8 |
Time constant for aging VCM of retrieved profiles
unit: "s"
|
|
99 | trop_alt_coeff_a |
binary double | size: 8 |
Coefficient A for Tropopause Altitude Correction
unit: "km"
|
|
100 | trop_alt_coeff_b |
binary double | size: 8 |
Coefficient B for Tropopause Altitude Correction
unit: "km"
|
|
101 | trop_alt_coeff_c |
binary double | size: 8 |
Coefficient C for Tropopause Altitude Correction
unit: "km"
|
|
102 | sim_geom_below_trop |
binary double | size: 8 |
Maximum distance of simulated geometries below tropopause
unit: "km"
|
|
103 | sim_distance_above_trop |
binary double | size: 8 |
Maximum distance of simulated geometries above tropopause
unit: "km"
|
|
104 | enabling_profile_reg |
binary uint16 | size: 2 |
Switch for enabling profile regularisation
|
|
105 | param_tuning_profile_reg |
binary double | size: 8 |
Parameter for tuning profile regularisation
|
|
106 | diag_reg_matrix |
binary array[2] | size: 16 |
Diagonal and first off-diagonal element of regularisation matrix referring to pressure
|
|
107 | diag_reg_matrix_temp |
binary array[2] | size: 16 |
Diagonal and first off-diagonal element of regularisation matrix referring to temperature
|
|
108 | diag_reg_matrix_cont |
binary array[2] | size: 16 |
Diagonal and first off-diagonal element of regularisation matrix referring to continuum
|
|
109 | diag_reg_matrix_offset |
binary array[2] | size: 16 |
Diagonal and first off-diagonal element of regularisation matrix referring to offset
|
|
110 | switch_fov_tab_func |
binary uint16 | size: 2 |
Switch for usage of FOV tabulated function
|
|
111 | max_sim_geom_fov |
binary uint16 | size: 2 |
Maximum number of simulated geometries for FOV
|
|
112 | band_fov_tab |
binary array[5] |
FOV tabulation for bands A, AB, B, C, D
binary record |
id | field name | definition |
0 | num_points_fov_tab_band |
binary uint16 | size: 2 |
Number of points for FOV tabulation for spectral band
|
|
1 | heights_fov_func_band |
binary array[dim_0] |
Heights of FOV function for spectral band
dim_0: int(../num_points_fov_tab_band)
|
|
2 | grid_fov_func_band |
binary array[dim_0] |
Grid for FOV function for spectral band
dim_0: int(../num_points_fov_tab_band)
|
|
|
|
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113 | error_bar_var_frac |
binary double | size: 8 |
Allowed fraction of error bar variation
|
|
114 | vert_res_wors_fact |
binary double | size: 8 |
Allowed factor of vertical resolution worsening
|
|
115 | max_lambda_profile |
binary double | size: 8 |
Maximal value for the lambda profile
|
|
116 | pos_exp_const |
binary double | size: 8 |
Constants ensuring positive exponents < 1
|
|