Search found 13 matches
- Fri Sep 06, 2024 4:14 am
- Forum: ROMS Discussion
- Topic: 4DVAR misfit_initial have many zero values
- Replies: 1
- Views: 1159
4DVAR misfit_initial have many zero values
Hi all, Following the WC13 instructions, I set up a RBL4DVAR test on a model grid receiving realistic atmospheric forcing. The nonlinear model has run for one model year and the model outputs were used to create the standard deviation files for 4DVAR. For my RBL4DVAR test case, the time window is ...
- Mon Aug 09, 2021 9:58 pm
- Forum: ROMS Discussion
- Topic: grid cell switches from dry to wet while (u,v) are NaN
- Replies: 1
- Views: 3390
grid cell switches from dry to wet while (u,v) are NaN
hello, I want report an issue that I encounter recently. I am running a realistic ROMS-only test that receives freshwater input from a small river (see attached figure). This test incorporates tides and atmospheric forcing (winds, heat flux etc). The grid spatial resolution is around 8-20m. Wet-dry ...
- Tue Mar 16, 2021 7:40 pm
- Forum: ROMS Discussion
- Topic: zero significant wave height at two corner grid cells in ROMS-SWAN coupled model
- Replies: 1
- Views: 3499
zero significant wave height at two corner grid cells in ROMS-SWAN coupled model
Hello, I am not sure whether anyone has seen or reported a similar problem. I am running a ROMS-SWAN coupled realistic model. The model grid has three open boundaries (south, west and north), and the eastern boundary is closed. SWAN model receives realistic incoming wave forcing from a boundary ...
- Thu Dec 10, 2020 6:02 pm
- Forum: ROMS Bugs
- Topic: a potential bug: SWAN not receives or not processes the sea surface level from ROMS
- Replies: 7
- Views: 6552
Re: a potential bug: SWAN not receives or not processes the sea surface level from ROMS
The issue is now resolved after adding these lines in the SWAN INPUT files: INPGRID CURRENT CURVILINEAR 0 0 481 908 EXC 9.999000e+003 & NONSTATIONARY 20150718.000000 24 HR 20150719.000000 INPGRID WLEVEL CURVILINEAR 0 0 481 908 EXC 9.999000e+003 & NONSTATIONARY 20150718.000000 24 HR 20150719.000000 ...
- Wed Dec 02, 2020 10:59 pm
- Forum: ROMS Bugs
- Topic: a potential bug: SWAN not receives or not processes the sea surface level from ROMS
- Replies: 7
- Views: 6552
Re: a potential bug: SWAN not receives or not processes the sea surface level from ROMS
Here are the files:
(1) two PRINT* files (SWAN uses 30 processors so there are 30 copies);
(2) SWAN INPUT file (swan_LPL.in);
(3) ROMS INPUT file (ocean_LPL.in);
(4) header file (lpl_couple.h).
(1) two PRINT* files (SWAN uses 30 processors so there are 30 copies);
(2) SWAN INPUT file (swan_LPL.in);
(3) ROMS INPUT file (ocean_LPL.in);
(4) header file (lpl_couple.h).
- Tue Dec 01, 2020 10:14 pm
- Forum: ROMS Bugs
- Topic: a potential bug: SWAN not receives or not processes the sea surface level from ROMS
- Replies: 7
- Views: 6552
Re: a potential bug: SWAN not receives or not processes the sea surface level from ROMS
hi John, yes, the coupled model has wet/dye on. I did not turn on the 'ZETA_CONST'. The pcolor plot at 07/18/06 is attached. So it is clear that the 2.25m is the 'zeta' on land. Below are the lines from ./SWAN/Src/waves_coupler.F (L1250 - 1270). If I understand correctly, the calculation of the Min ...
- Mon Nov 30, 2020 8:02 pm
- Forum: ROMS Bugs
- Topic: a potential bug: SWAN not receives or not processes the sea surface level from ROMS
- Replies: 7
- Views: 6552
a potential bug: SWAN not receives or not processes the sea surface level from ROMS
Hello, I am reporting a potential issue with SWAN model that is coupled with ROMS. In my case, ROMS has barotropic tides and the sea surface level varies with an amplitude of ~1.0m. Within each coupling interval (12 mins), the log file clearly shows that ROMS and SWAN exchange information (see an ...
- Wed May 13, 2015 6:16 pm
- Forum: ROMS Problems
- Topic: model terminates if 'DIAGNOSTICS_UV' is activated
- Replies: 2
- Views: 2549
Re: model terminates if 'DIAGNOSTICS_UV' is activated
Thanks, John!
I got the reason for my problem. The high resolution grid plus 'diagnostics' overburden the the desktop, thus it terminates in the very beginning. It runs well on cluster now.
Xiaodong
I got the reason for my problem. The high resolution grid plus 'diagnostics' overburden the the desktop, thus it terminates in the very beginning. It runs well on cluster now.
Xiaodong
- Fri Apr 24, 2015 10:01 pm
- Forum: ROMS Problems
- Topic: model terminates if 'DIAGNOSTICS_UV' is activated
- Replies: 2
- Views: 2549
model terminates if 'DIAGNOSTICS_UV' is activated
Hi,all! I run across this errors with a ROMS+SWAN coupled case. The case runs well if 'DIAGNOSTICS_UV' is unactivated. But once this cpp gets activated, the running terminates at the very beginning with the details shown as the following: Coupled Input File name = Projects/Stormsrun/TS/Nest_TS ...
- Wed Mar 11, 2015 8:39 pm
- Forum: ROMS Discussion
- Topic: Question about creating SWAN grid in polar area
- Replies: 0
- Views: 1718
Question about creating SWAN grid in polar area
Hi, everyone! :) I want to ask a question about SWAN model if applied in polar (arctic or antarctic) area. The angles calculated from the coordinates in the grid file may not satisfy the prerequisite, as it says in SWAN manual "SWAN will check whether all angles in the grid are >0 and <180 degrees ...
- Thu Sep 18, 2014 9:01 pm
- Forum: ROMS Problems
- Topic: Question about 'wrt_his.F' under directory /ROMS/Utility/
- Replies: 1
- Views: 2192
Question about 'wrt_his.F' under directory /ROMS/Utility/
Hi! I want to ask if anyone get the same error message as i get about the cpp 'WEC_MELLOR'. After i update COAWST to version3.1, i get error during the compiling if i activate the cpp 'WEC_MELLOR'. And i try to go back and check the file 'wrt_his.F'. I find that the line 3314 was written as 'status ...
- Thu Sep 18, 2014 7:46 pm
- Forum: ROMS Discussion
- Topic: How to set 'time' in the input NETCDF files (COAWSTv3.1)
- Replies: 2
- Views: 1941
Re: How to set 'time' in the input NETCDF files (COAWSTv3.1)
Thanks very much! I just figure out my problem. The problem comes from the code that i used to create the NetCDF file for wind stress. The original matlab code was written as: v1 = netcdf.defVar(nc,'sms_time','double',[time_steps one]); % Here 'time_steps' is a self-defined parameter. Because the ...
- Thu Sep 18, 2014 5:46 pm
- Forum: ROMS Discussion
- Topic: How to set 'time' in the input NETCDF files (COAWSTv3.1)
- Replies: 2
- Views: 1941
How to set 'time' in the input NETCDF files (COAWSTv3.1)
Hi! Can someone tell me how to set or create the 'time' string within the netcdf file? Now i try to use COAWSTv3.1, and i can find there is a new file 'check_multifile.F' (COAWST/ROMS/Utility) that do the file checking. But i dont know how to create such netcdf files (One example is that i want to ...