SMOS L2 OS ATBD - ARGANS
SMOS L2 OS ATBD - ARGANS
SMOS L2 OS ATBD - ARGANS
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20<br />
ICM-CSIC<br />
LOCEAN/SA/CETP<br />
IFREMER<br />
<strong>SM<strong>OS</strong></strong> <strong>L2</strong> <strong>OS</strong><br />
Algorithm Theoretical<br />
Baseline Document<br />
Doc: SO-TN-ARG-GS-0007<br />
Issue: 3 Rev: 9<br />
Date: 25 January 2013<br />
Page: 20<br />
Variable name Descriptive Name Units <strong>ATBD</strong><br />
reference<br />
Comments<br />
D Hessian matrix dl 4.14<br />
matrix derived from d dl 4.14<br />
matrix derived from D dl 4.14<br />
Marquardt’s diagonal amplifier dl 4.14<br />
ini Initial Marquardt’s diagonal amplifier dl 4.14<br />
kd<br />
Factor for multiplying Marquardt’s diagonal<br />
amplifier<br />
dl 4.14<br />
Chi variance ratio for convergence test dl 4.14<br />
Tb_lambda_diaMax Threshold for Marquardt increment dl 4.14<br />
Fg_ctrl_marq_SSS1 Iteration stopped due to Marquardt<br />
increment too big for roughness 1<br />
Y/N 4.14<br />
Fg_ctrl_marq_SSS2 Iteration stopped due to Marquardt<br />
increment too big for roughness 2<br />
Y/N 4.14<br />
Fg_ctrl_marq_SSS3 Iteration stopped due to Marquardt<br />
increment too big for roughness 3<br />
Y/N 4.14<br />
Fg_ctrl_marq_Acard Iteration stopped due to Marquardt<br />
increment too big for cardioid<br />
Y/N 4.14<br />
Tg_it_max Maximum number of iterations allowed dl 4.14<br />
Fg_ctrl_chi2_1 Poor fit quality using roughness model 1 Y/N 4.14<br />
Fg_ctrl_chi2_2 Poor fit quality using model 2 Y/N 4.14<br />
Fg_ctrl_chi2_3 Poor fit quality using model 3 Y/N 4.14<br />
Fg_ctrl_chi2_Acard Poor fit quality using cardioid model Y/N 4.14<br />
Tg_Q Threshold to check the quality of the SSS<br />
retrieval<br />
dl 4.14<br />
Dg_num_iter_1 Number of iterations using model 1 dl 4.14<br />
Dg_num_iter_2 Number of iterations using model 2 dl 4.14<br />
Dg_num_iter_3 Number of iterations using model 3 dl 4.14<br />
Dg_num_iter_Acard Number of iterations using cardioid model dl 4.14<br />
Fg_ctrl_reach_maxIter_1 Maximum number of iteration reached<br />
before convergence<br />
Y/N 4.14 Roughness 1<br />
Fg_ctrl_reach_maxIter_2 Maximum number of iteration reached<br />
before convergence<br />
Y/N 4.14 Roughness 2<br />
Fg_ctrl_reach_maxIter_3 Maximum number of iteration reached<br />
before convergence<br />
Y/N 4.14 Roughness 3<br />
Fg_ctrl_reach_maxIter_A Maximum number of iteration reached Y/N 4.14 Cardioid<br />
c<br />
before convergence<br />
model<br />
Tg_SSS_max Maximum value of valid retrieved salinity psu 4.14<br />
Tg_SSS_min Minimum value of valid retrieved salinity psu 4.14<br />
Tg_sigma_max Maximum value of sigma of the retrieved<br />
salinity<br />
psu 4.14<br />
Tg_Acard_max Maximum value of valid retrieved Acard dl 4.14<br />
Tg_Acard_min Minimum value of valid retrieved Acard dl 4.14<br />
Tg_sigma_Acard_max Maximum value of sigma of the retrieved<br />
Acard<br />
dl 4.14<br />
Fg_ctrl_range_1 Retrieved SSS is outside range Y/N 4.14 Roughness 1<br />
Fg_ctrl_sigma_1 Retrieved SSS sigma overpasses the<br />
accepted value<br />
Y/N 4.14 Roughness 1<br />
Dg_chi2_1 Retrieval fit quality index dl 4.14 Roughness 1<br />
Dg_chi2_P_1 chi2 high value acceptability probability dl 4.14 Roughness 1<br />
Dg_quality_SSS1 Descriptor of SSS1 uncertainty psu 4.14.2<br />
Fg_ctrl_quality_SSS1 At least one critical flag was raised during<br />
SSS1 retrieval<br />
Y/N 4.14.2 Roughness 1