<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class="">Hi Kunai, a good starting point is to use parameters and settings that have previously been used by others.<div class="">There is many examples here: <a href="http://wwwcvs.mitgcm.org/viewvc/MITgcm/MITgcm_contrib/" class="">http://wwwcvs.mitgcm.org/viewvc/MITgcm/MITgcm_contrib/</a></div><div class="">And maybe someone on the list with a similar domain configuration to yours can pitch in with a specific example.</div><div class=""><br class=""></div><div class="">After that, fine-tuning for your specific configuration, boundary conditions, etc., can be done using model sensitivity experiments for the parameters that you want to adjust and then optimizing the value of these parameters relative to observations, as is done here: <a href="https://journals.ametsoc.org/mwr/article/133/5/1224/67525/Using-Green-s-Functions-to-Calibrate-an-Ocean" class="">https://journals.ametsoc.org/mwr/article/133/5/1224/67525/Using-Green-s-Functions-to-Calibrate-an-Ocean</a></div><div class=""><br class=""></div><div class="">Cheers, Dimitris</div><div class=""><div><br class=""><blockquote type="cite" class=""><div class="">On Jul 8, 2020, at 11:26 AM, kunal madkaiker <<a href="mailto:kunal.madkaiker02@gmail.com" class="">kunal.madkaiker02@gmail.com</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><meta http-equiv="Content-Type" content="text/html; charset=utf-8" class=""><div dir="ltr" class=""><div class="">Hi Matthew,</div><div class=""><br class=""></div><div class="">Sorry for not mentioning the details earlier. I have a curvilinear grid of 360 X 780 grid off the West coast of India.</div><div class="">This is a high resolution, irregular grid i.e. grid point spacing isnt equal in the subgrid. Grid is a closed one.<br class=""></div><div class=""><br class=""></div><div class="">- For Sept simulation, I am initializing with Aug Temp and Salinity from WOA</div><div class="">- U and V currents are from INCOIS GODAS, whereas heat and moisture fluxes are from NCEP.</div><div class="">- Boundary forcing provided are currents and Sept Temp and Salinity as OBCS files.</div><div class="">- No Orlanksi scheme is used. KPP used for verical mixing.<br class=""></div></div><br class=""><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Wed, Jul 8, 2020 at 8:53 PM Matthew Mazloff <<a href="mailto:mmazloff@ucsd.edu" class="">mmazloff@ucsd.edu</a>> wrote:<br class=""></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">Hi Kunal<br class="">
<br class="">
This is too general a question. I don’t know enough about your model setup (e.g. resolution).<br class="">
What inputs did you take as a starting point? Was it from a setup I would be aware of?<br class="">
<br class="">
Matt<br class="">
<br class="">
<br class="">
> On Jul 8, 2020, at 8:18 AM, kunal madkaiker <<a href="mailto:kunal.madkaiker02@gmail.com" target="_blank" class="">kunal.madkaiker02@gmail.com</a>> wrote:<br class="">
> <br class="">
> Dear MITgcm Users,<br class="">
> <br class="">
> I am trying to run MITgcm along the West Coast of India, using a Curvilinear grid for the month of Sept.<br class="">
> I have given a climatological profile of Temperature, Salinity from WOA18 and U,V currents as boundary forcing along with heat and moisture fluxes.<br class="">
> <br class="">
> After comparing with observation (i.e. WOA18 SST and SSS, OSCAR currents), my simulated currents arent coming right. I am trying to tune the physical model.<br class="">
> <br class="">
> Kindly let me know about the parameters (in the INPUT file) that I need to review, for I may have possibly missed out/ skipped on some information. Thanks in advance.<br class="">
> <br class="">
> Regards<br class="">
> Kunal<br class="">
> <br class="">
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