ROMS Adjoint

Moderators: arango, robertson

New Topic

82 topics

Topics

Replies

Views

Last post

W4DPSAS: not positive definite algorithm

Last post by Biswamoy_Paul « Mon Aug 26, 2019 5:02 am

by Biswamoy_Paul » Mon Aug 26, 2019 5:02 am

0 Replies

201 Views

Last post by Biswamoy_Paul
Mon Aug 26, 2019 5:02 am
How to build a adjoint modelling framework in ROMS?

Last post by LiZhou « Tue Aug 20, 2019 1:09 am
Replies: 1
by LiZhou » Tue Aug 20, 2019 12:48 am

1 Replies

162 Views

Last post by LiZhou
Tue Aug 20, 2019 1:09 am
CG_DELTA not positive OR Negative Ritz value found.

Last post by xavierC « Wed Jul 10, 2019 8:29 am

by xavierC » Wed Jul 10, 2019 8:29 am

0 Replies

157 Views

Last post by xavierC
Wed Jul 10, 2019 8:29 am
depth of assimilated data

Last post by jivica « Fri Jun 21, 2019 4:51 am
Replies: 2
by xavierC » Thu Jun 20, 2019 8:30 am

2 Replies

405 Views

Last post by jivica
Fri Jun 21, 2019 4:51 am
Inconsistent values of variables in TL initial condition

Last post by wavewatch « Wed Apr 24, 2019 2:55 am
Replies: 3
by Biswamoy_Paul » Thu Jul 19, 2018 1:32 pm

3 Replies

895 Views

Last post by wavewatch
Wed Apr 24, 2019 2:55 am
ad passive tracer!

Last post by jcwarner « Fri Mar 29, 2019 12:32 pm
Replies: 1
by thaitlhp » Fri Mar 29, 2019 8:15 am

1 Replies

319 Views

Last post by jcwarner
Fri Mar 29, 2019 12:32 pm
what are the meanings of adjoint model's input and output

Last post by LiZhou « Wed Jan 23, 2019 6:50 am
Replies: 3
by LiZhou » Tue Oct 23, 2018 8:14 am

3 Replies

769 Views

Last post by LiZhou
Wed Jan 23, 2019 6:50 am
Segmentation fault with I4DVAR

Last post by pmuskee « Fri Nov 30, 2018 2:12 pm

by pmuskee » Fri Nov 30, 2018 2:12 pm

0 Replies

388 Views

Last post by pmuskee
Fri Nov 30, 2018 2:12 pm
Optimal Stochastic Calculation

Last post by LiZhou « Tue Oct 16, 2018 12:12 pm
Replies: 1
by cesare » Mon Jun 04, 2007 9:10 pm

1 Replies

2266 Views

Last post by LiZhou
Tue Oct 16, 2018 12:12 pm
book for adjoint analysis

Last post by j.throatlocust « Wed Oct 10, 2018 12:48 pm
Replies: 1
by fcampos » Sun Oct 07, 2018 6:25 pm

1 Replies

720 Views

Last post by j.throatlocust
Wed Oct 10, 2018 12:48 pm
d_ssh_obs.m

Last post by isoares « Wed Sep 26, 2018 11:43 am

by isoares » Wed Sep 26, 2018 11:43 am

0 Replies

619 Views

Last post by isoares
Wed Sep 26, 2018 11:43 am
Tangent Initial Norm is NaN

Last post by ckerry « Mon Jul 23, 2018 12:00 am
Replies: 2
by leon » Wed Jul 01, 2015 4:23 pm

2 Replies

1731 Views

Last post by ckerry
Mon Jul 23, 2018 12:00 am
Can't run my IS4D-Var case Gnorm = NaN

Last post by ckerry « Sun Jul 22, 2018 11:55 pm
Replies: 8
by Arvin_Yin » Sat Sep 26, 2015 7:52 am

8 Replies

2592 Views

Last post by ckerry
Sun Jul 22, 2018 11:55 pm
Initial gradient norm, Gnorm = NaN

Last post by ckerry « Sun Jul 22, 2018 11:45 pm
Replies: 1
by wavewatch » Wed Mar 28, 2018 1:38 am

1 Replies

717 Views

Last post by ckerry
Sun Jul 22, 2018 11:45 pm
data

Last post by sara.oceanography « Sun Jul 15, 2018 3:11 am

by sara.oceanography » Sun Jul 15, 2018 3:11 am

0 Replies

774 Views

Last post by sara.oceanography
Sun Jul 15, 2018 3:11 am
How to restart the IS4DVAR date assimilation system？

Last post by wavewatch « Tue Jul 10, 2018 5:31 am

by wavewatch » Tue Jul 10, 2018 5:31 am

0 Replies

797 Views

Last post by wavewatch
Tue Jul 10, 2018 5:31 am
weird iteration number in mod.nc file

Last post by leon « Tue Jun 19, 2018 4:29 pm

by leon » Tue Jun 19, 2018 4:29 pm

0 Replies

824 Views

Last post by leon
Tue Jun 19, 2018 4:29 pm
Normalization coefficients

Last post by isoares « Tue May 15, 2018 5:37 pm
Replies: 4
by isoares » Fri May 11, 2018 12:46 pm

4 Replies

1392 Views

Last post by isoares
Tue May 15, 2018 5:37 pm
about the implicit upstream radiation condition

Last post by xiaozhu557 « Wed Mar 28, 2018 8:02 am

by xiaozhu557 » Wed Mar 28, 2018 8:02 am

0 Replies

652 Views

Last post by xiaozhu557
Wed Mar 28, 2018 8:02 am
question about the caculating of om_p, om_u, on_p, on_u

Last post by xiaozhu557 « Tue Mar 27, 2018 1:39 pm
Replies: 5
by xiaozhu557 » Mon Mar 26, 2018 7:56 am

5 Replies

1316 Views

Last post by xiaozhu557
Tue Mar 27, 2018 1:39 pm
how to merge netcdf files into one file

Last post by kate « Wed Mar 21, 2018 3:21 pm
Replies: 1
by pooran » Wed Mar 21, 2018 10:52 am

1 Replies

800 Views

Last post by kate
Wed Mar 21, 2018 3:21 pm
wind stress

Last post by wilkin « Sun Jan 14, 2018 2:50 am
Replies: 2
by onken » Fri Jan 12, 2018 4:01 pm

2 Replies

1144 Views

Last post by wilkin
Sun Jan 14, 2018 2:50 am
ad_LBC with npzd_Powell

Last post by pmuskee « Wed Oct 11, 2017 4:36 pm

by pmuskee » Wed Oct 11, 2017 4:36 pm

0 Replies

899 Views

Last post by pmuskee
Wed Oct 11, 2017 4:36 pm
Offline Heat Budget calculations from ROMS model output

Last post by kunal.c « Thu Sep 14, 2017 12:17 pm
Replies: 8
by aneeshcs » Tue Oct 11, 2011 3:50 am

8 Replies

7199 Views

Last post by kunal.c
Thu Sep 14, 2017 12:17 pm
Error compiling IS4DVAR with TS_U3ADV_SPLIT (TS_DIF4)

Last post by thiago.pdpaula « Fri Jun 16, 2017 10:56 am
Replies: 3
by thiago.pdpaula » Mon Jun 12, 2017 5:07 pm

3 Replies

1751 Views

Last post by thiago.pdpaula
Fri Jun 16, 2017 10:56 am
nonlinear cost function not calculated in PSAS

Last post by arango « Fri Apr 14, 2017 8:29 pm
Replies: 1
by Johannes » Tue Feb 28, 2017 2:32 pm

1 Replies

1153 Views

Last post by arango
Fri Apr 14, 2017 8:29 pm
BICONJ - Balance operator, error in reference free surface

Last post by uranoscopus « Fri Feb 03, 2017 11:48 am
Replies: 1
by uranoscopus » Fri Feb 03, 2017 9:27 am

1 Replies

957 Views

Last post by uranoscopus
Fri Feb 03, 2017 11:48 am
Input error when including boundary conditions in 4DVar

Last post by Gabriel_Carvalho « Wed Dec 14, 2016 8:20 pm
Replies: 2
by Arvin_Yin » Tue Jul 21, 2015 9:14 am

2 Replies

1798 Views

Last post by Gabriel_Carvalho
Wed Dec 14, 2016 8:20 pm
Cauchy-Poisson wave patterns in velocity increment W4DVAR

Last post by pmuskee « Mon Nov 28, 2016 8:17 pm
Replies: 1
by pmuskee » Tue Oct 25, 2016 1:38 pm

1 Replies

7458 Views

Last post by pmuskee
Mon Nov 28, 2016 8:17 pm
assimilate TSLA into the restart fields of my ROMS model

Last post by Fu_Zhao « Fri Sep 02, 2016 1:26 am

by Fu_Zhao » Fri Sep 02, 2016 1:26 am

0 Replies

5170 Views

Last post by Fu_Zhao
Fri Sep 02, 2016 1:26 am
Unable to find grid variable: visc_factor (GET_GRID) WC13

Last post by pmuskee « Mon May 23, 2016 7:15 pm

by pmuskee » Mon May 23, 2016 7:15 pm

0 Replies

8095 Views

Last post by pmuskee
Mon May 23, 2016 7:15 pm
WC13\Normalization-error!

Last post by zhouchaojie « Thu Jan 21, 2016 1:47 pm

by zhouchaojie » Thu Jan 21, 2016 1:47 pm

0 Replies

3696 Views

Last post by zhouchaojie
Thu Jan 21, 2016 1:47 pm
WC13\Normalization-error!

Last post by zhouchaojie « Wed Jan 20, 2016 8:09 am
Replies: 4
by wangzc » Sat Sep 07, 2013 3:52 pm

4 Replies

2984 Views

Last post by zhouchaojie
Wed Jan 20, 2016 8:09 am
SSH assimilation – No balance but UV still update?

Last post by lmp4 « Thu Dec 10, 2015 5:40 pm

by lmp4 » Thu Dec 10, 2015 5:40 pm

0 Replies

2128 Views

Last post by lmp4
Thu Dec 10, 2015 5:40 pm
Time sets in adjoint model

Last post by wuting0926 « Fri Dec 04, 2015 12:49 pm

by wuting0926 » Fri Dec 04, 2015 12:49 pm

0 Replies

1442 Views

Last post by wuting0926
Fri Dec 04, 2015 12:49 pm
Use grided AVISO SLA data as observation data

Last post by lmp4 « Thu Nov 26, 2015 3:29 pm
Replies: 2
by Arvin_Yin » Thu Aug 20, 2015 9:31 am

2 Replies

1826 Views

Last post by lmp4
Thu Nov 26, 2015 3:29 pm
error about'couldnt find input file'

Last post by kate « Sun Nov 01, 2015 5:15 pm
Replies: 10
by WY0116 » Thu Oct 22, 2015 8:50 am

10 Replies

3524 Views

Last post by kate
Sun Nov 01, 2015 5:15 pm
Extreme large values at the end of OPT_Perturbation

Last post by leon « Mon Jul 27, 2015 6:47 pm

by leon » Mon Jul 27, 2015 6:47 pm

0 Replies

1376 Views

Last post by leon
Mon Jul 27, 2015 6:47 pm
why the ajoint model need climatology input

Last post by simion1232006 « Tue Jun 30, 2015 8:14 am

by simion1232006 » Tue Jun 30, 2015 8:14 am

0 Replies

1496 Views

Last post by simion1232006
Tue Jun 30, 2015 8:14 am
Is the Lanczos vector file necessary for adjoint to initials

Last post by leon « Fri Mar 27, 2015 2:19 am

by leon » Fri Mar 27, 2015 2:19 am

0 Replies

1746 Views

Last post by leon
Fri Mar 27, 2015 2:19 am
A quick question about adjoint sensitivity analysis

Last post by leon « Wed Mar 18, 2015 9:22 pm

by leon » Wed Mar 18, 2015 9:22 pm

0 Replies

1671 Views

Last post by leon
Wed Mar 18, 2015 9:22 pm
How to run ROMS adjoint model ? A few questions.

Last post by Kun « Thu Nov 20, 2014 2:28 pm

by Kun » Thu Nov 20, 2014 2:28 pm

0 Replies

1942 Views

Last post by Kun
Thu Nov 20, 2014 2:28 pm
how to write different type of data into one obs file

Last post by jivica « Thu Oct 23, 2014 6:30 am
Replies: 1
by wangzc » Thu Oct 23, 2014 1:54 am

1 Replies

1628 Views

Last post by jivica
Thu Oct 23, 2014 6:30 am
Why the Nud+Rad boundary can't be used in the adjoint model

Last post by LiangPeng « Thu Oct 23, 2014 6:12 am

by LiangPeng » Thu Oct 23, 2014 6:12 am

0 Replies

1592 Views

Last post by LiangPeng
Thu Oct 23, 2014 6:12 am
Weak constraint R4D-Var or 4D-PSAS: Systematic Model Errors?

Last post by lmp4 « Tue Oct 14, 2014 10:31 am

by lmp4 » Tue Oct 14, 2014 10:31 am

0 Replies

1507 Views

Last post by lmp4
Tue Oct 14, 2014 10:31 am
TLM: forrtl: severe(174): SIGSEGV, segmentation fault occur

Last post by mariafattorini « Wed Sep 03, 2014 8:49 am
Replies: 4
by wangzc » Sat Jan 11, 2014 8:14 am

4 Replies

3012 Views

Last post by mariafattorini
Wed Sep 03, 2014 8:49 am
zero value in tangent linear initial file

Last post by clemente.tanajura « Mon Mar 17, 2014 7:38 pm
Replies: 2
by simion1232006 » Sat Mar 15, 2014 2:43 pm

2 Replies

1914 Views

Last post by clemente.tanajura
Mon Mar 17, 2014 7:38 pm
CG_DELTA not positive

Last post by jsaynisch « Wed Jan 29, 2014 1:30 pm
Replies: 2
by jsaynisch » Tue Jan 28, 2014 3:34 pm

2 Replies

2360 Views

Last post by jsaynisch
Wed Jan 29, 2014 1:30 pm
netcdf closing error

Last post by jsaynisch « Fri Nov 22, 2013 10:03 am
Replies: 2
by jsaynisch » Wed Nov 20, 2013 10:46 am

2 Replies

2288 Views

Last post by jsaynisch
Fri Nov 22, 2013 10:03 am
Observations for normalization?

Last post by jsaynisch « Fri Nov 08, 2013 8:30 am
Replies: 3
by jsaynisch » Thu Nov 07, 2013 3:20 pm

3 Replies

2248 Views

Last post by jsaynisch
Fri Nov 08, 2013 8:30 am

New Topic

82 topics

Return to Board Index

Forum permissions

You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot post attachments in this forum