ROMS Adjoint

Moderators: arango, robertson

New Topic

107 topics

Topics

Replies

Views

Last post

Problems about adding tidal forcing in 4DVar

Last post by hezhiwei « Tue Aug 03, 2021 6:19 am
Replies: 4
by hezhiwei » Thu Jul 29, 2021 9:49 am

4 Replies

669 Views

Last post by hezhiwei
Tue Aug 03, 2021 6:19 am
INP_PAR, PHYPAR: Problems finding input file.

Last post by wilkin « Fri Jul 30, 2021 11:45 am
Replies: 7
by birgitrr » Tue Jul 27, 2021 1:59 pm

7 Replies

658 Views

Last post by wilkin
Fri Jul 30, 2021 11:45 am
nonlinear cost function not calculated in PSAS

Last post by Rafael_Santana « Wed Jul 28, 2021 12:28 am
Replies: 2
by Johannes » Tue Feb 28, 2017 2:32 pm

2 Replies

1971 Views

Last post by Rafael_Santana
Wed Jul 28, 2021 12:28 am
AKv and AKt in initial condition file

Last post by rtoste « Tue Jul 13, 2021 5:20 pm
Replies: 2
by rtoste » Fri Jul 09, 2021 9:38 pm

2 Replies

649 Views

Last post by rtoste
Tue Jul 13, 2021 5:20 pm
4DVAR assimilation of surface velocities destroy sst

Last post by jivica « Wed May 26, 2021 2:39 am
Replies: 5
by xavierC » Thu Jan 30, 2020 10:07 am

5 Replies

1738 Views

Last post by jivica
Wed May 26, 2021 2:39 am
observation data rejected!

Last post by Rafael_Santana « Mon May 03, 2021 11:14 pm
Replies: 8
by simion1232006 » Fri Oct 29, 2010 2:18 am

8 Replies

4416 Views

Last post by Rafael_Santana
Mon May 03, 2021 11:14 pm
I4dvar compilation error in new version about get_hash.f90

Last post by MIKESHEN « Sun Apr 11, 2021 1:31 am
Replies: 2
by MIKESHEN » Sat Apr 10, 2021 1:27 pm

2 Replies

465 Views

Last post by MIKESHEN
Sun Apr 11, 2021 1:31 am
i4dvar ex1 blowup at first time step

Last post by briskbamboo « Thu Mar 04, 2021 5:17 am

by briskbamboo » Thu Mar 04, 2021 5:17 am

0 Replies

345 Views

Last post by briskbamboo
Thu Mar 04, 2021 5:17 am
parallel RPCG minimization (Andy & Hernan & Brian)?

Last post by jivica « Wed Jan 13, 2021 4:37 am
Replies: 1
by jivica » Tue Jan 12, 2021 2:54 am

1 Replies

653 Views

Last post by jivica
Wed Jan 13, 2021 4:37 am
tidal constituents

Last post by pooran « Mon Dec 14, 2020 5:13 am

by pooran » Mon Dec 14, 2020 5:13 am

0 Replies

455 Views

Last post by pooran
Mon Dec 14, 2020 5:13 am
TIME_CORR -error while writing variable:ubar at time record=5 into NetCDF file:wc13_tlf.nc

Last post by xiaocongM « Wed Nov 11, 2020 2:20 pm

by xiaocongM » Wed Nov 11, 2020 2:20 pm

0 Replies

409 Views

Last post by xiaocongM
Wed Nov 11, 2020 2:20 pm
tidal constituents

Last post by johnluick « Sat Oct 31, 2020 10:37 am
Replies: 1
by pooran » Fri Oct 30, 2020 12:18 pm

1 Replies

689 Views

Last post by johnluick
Sat Oct 31, 2020 10:37 am
station file

Last post by arango « Tue Oct 13, 2020 5:39 am
Replies: 3
by jivica » Mon Oct 12, 2020 4:59 am

3 Replies

806 Views

Last post by arango
Tue Oct 13, 2020 5:39 am
How to build the ADM individually?

Last post by LiZhou « Mon Sep 28, 2020 1:06 pm
Replies: 2
by LiZhou » Sun Sep 27, 2020 7:38 am

2 Replies

755 Views

Last post by LiZhou
Mon Sep 28, 2020 1:06 pm
Can roms be used to assimilate suspended sediment ?

Last post by lairuixun « Mon Sep 28, 2020 8:31 am

by lairuixun » Mon Sep 28, 2020 8:31 am

0 Replies

406 Views

Last post by lairuixun
Mon Sep 28, 2020 8:31 am
give maximum weight to data

Last post by jsouza « Sun Sep 27, 2020 6:45 pm
Replies: 1
by xavierC » Fri Sep 25, 2020 12:20 pm

1 Replies

693 Views

Last post by jsouza
Sun Sep 27, 2020 6:45 pm
How to use ECMWF product

Last post by javadbabagoli « Tue Sep 15, 2020 2:30 pm
Replies: 4
by javadbabagoli » Mon Sep 14, 2020 1:57 pm

4 Replies

1303 Views

Last post by javadbabagoli
Tue Sep 15, 2020 2:30 pm
Avg file output for NLM sweep instead of ADJ?

Last post by jivica « Fri Sep 11, 2020 6:15 am

by jivica » Fri Sep 11, 2020 6:15 am

0 Replies

515 Views

Last post by jivica
Fri Sep 11, 2020 6:15 am
I4DVAR hang with "<<<< Conjugate Gradient Algorithm >>>>"

Last post by briskbamboo « Fri Aug 28, 2020 2:19 am

by briskbamboo » Fri Aug 28, 2020 2:19 am

0 Replies

605 Views

Last post by briskbamboo
Fri Aug 28, 2020 2:19 am
RBL4DVAR error after upgrade to SVN Revision 1036

Last post by xavierC « Wed Aug 26, 2020 7:28 am
Replies: 2
by xavierC » Tue Aug 25, 2020 2:54 pm

2 Replies

752 Views

Last post by xavierC
Wed Aug 26, 2020 7:28 am
Adjoint model blow up

Last post by ljxu « Tue Jul 28, 2020 12:09 pm
Replies: 13
by ymamoutos » Fri Apr 17, 2020 8:17 pm

13 Replies

3628 Views

Last post by ljxu
Tue Jul 28, 2020 12:09 pm
Offline Heat Budget calculations from ROMS model output

Last post by fabeobd « Fri Jun 26, 2020 10:19 am
Replies: 13
by aneeshcs » Tue Oct 11, 2011 3:50 am

13 Replies

10758 Views

Last post by fabeobd
Fri Jun 26, 2020 10:19 am
I4dvar compilation error about i4dvar.f90 and mod_fourdvar

Last post by MIKESHEN « Fri May 29, 2020 1:26 pm
Replies: 3
by MIKESHEN » Tue May 26, 2020 1:38 pm

3 Replies

1212 Views

Last post by MIKESHEN
Fri May 29, 2020 1:26 pm
Where to introduce obs error

Last post by xavierC « Thu Apr 02, 2020 7:09 pm
Replies: 2
by xavierC » Thu Apr 02, 2020 6:50 pm

2 Replies

866 Views

Last post by xavierC
Thu Apr 02, 2020 7:09 pm
Adjoint compilation error with define VISC4 and DIFF4

Last post by robertson « Thu Mar 05, 2020 3:14 pm
Replies: 1
by xavierC » Wed Feb 26, 2020 4:07 pm

1 Replies

856 Views

Last post by robertson
Thu Mar 05, 2020 3:14 pm
I4DVAR rewriting roms_ini.nc with new time unit

Last post by xavierC « Thu Jan 09, 2020 4:47 pm
Replies: 1
by xavierC » Thu Jan 09, 2020 3:30 pm

1 Replies

706 Views

Last post by xavierC
Thu Jan 09, 2020 4:47 pm
how to conduct adjoint sensitivity by ROMS ADM?

Last post by LiZhou « Mon Jan 06, 2020 1:58 am
Replies: 1
by LiZhou » Sun Jan 05, 2020 8:22 am

1 Replies

717 Views

Last post by LiZhou
Mon Jan 06, 2020 1:58 am
Adjoint Sensitivity Driver

Last post by LiZhou « Sun Jan 05, 2020 8:36 am
Replies: 1
by arango » Wed Sep 21, 2005 3:10 am

1 Replies

2897 Views

Last post by LiZhou
Sun Jan 05, 2020 8:36 am
run_roms_da data assimilation script

Last post by jpm « Fri Nov 22, 2019 1:40 am

by jpm » Fri Nov 22, 2019 1:40 am

0 Replies

895 Views

Last post by jpm
Fri Nov 22, 2019 1:40 am
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

928 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

923 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

842 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

1284 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

1885 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

1070 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

1820 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

981 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

2914 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

1433 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

1172 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

2785 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

4607 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

1452 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

1335 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

1408 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

1435 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

2834 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

1310 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

2600 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

1528 Views

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

New Topic

107 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