<html><head><meta http-equiv="Content-Type" content="text/html charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">Hi Martin,<div class=""><br class=""></div><div class="">Thank you very much for the clarification.</div><div class=""><br class=""></div><div class="">Best,</div><div class="">Takaya</div><div class="">
<div style="color: rgb(0, 0, 0); letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><div style="color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px;">———————</div><div style="color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px;">PhD Candidate</div><div style="color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class="">Physical Oceanography</div><div style="color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class="">Columbia University in the City of New York</div><div style="color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class=""><a href="https://roxyboy.github.io/" class="">https://roxyboy.github.io/</a></div></div></div>
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<br class=""><div><blockquote type="cite" class=""><div class="">On Mar 27, 2018, at 3:35 AM, Martin Losch <<a href="mailto:Martin.Losch@awi.de" class="">Martin.Losch@awi.de</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div class="">Yes,<br class=""><br class="">except that the relaxation time scale only affects the surface restoring fields (files thetaClimFile, saltClimFile), but I think you mean that.<br class=""><br class="">M.<br class=""><br class=""><blockquote type="cite" class="">On 26. Mar 2018, at 18:53, Uchida Takaya <<a href="mailto:tu2140@columbia.edu" class="">tu2140@columbia.edu</a>> wrote:<br class=""><br class="">Hi Martin,<br class=""><br class="">Thank you very much for your reply and information.<br class=""><br class="">If I understand correctly what you have mentioned, as long as the forcing data (e.g. `zonalWindFile`, `thetaClimeFile` etc.) all have the same relaxation time scale, cycle and period, the time varying surface forcing should work fine with just prescribing the forcing files along with the `tauThetaClimRelax`, `externForcingCycle` and `externForcingPeriod` parameters in the namelist file `data` without having to resort to the `rbcs` nor `exf` package. Is this understanding correct?<br class=""><br class="">Best,<br class="">Takaya<br class=""><br class=""><blockquote type="cite" class="">On Mar 26, 2018, at 4:37 AM, Martin Losch <<a href="mailto:Martin.Losch@awi.de" class="">Martin.Losch@awi.de</a>> wrote:<br class=""><br class="">Hi Takaya,<br class=""><br class="">`externForcingCycle` and `externForcingPeriod` are used for all forcing data that is specified in the namelist file “data”. That makes this way of reading and applying forcing data very unflexible.<br class=""><br class="">You could use the rbcs package for surface restoring, although I would not recommend it as it’s a bit of an overkill. rbcs can be used for 3D restoring and involves a lot of extra storage.<br class=""><br class="">The recommended surface forcing package is the exf-package. There you have different forcing periods etc for each forcing field, including surface restoring. The exf-package is more involved in terms of configuration, but in the long run it pays off to use it.<br class=""><br class="">Martin<br class=""><br class=""><blockquote type="cite" class="">On 20. Mar 2018, at 20:28, Uchida Takaya <<a href="mailto:tu2140@columbia.edu" class="">tu2140@columbia.edu</a>> wrote:<br class=""><br class="">Dear MITgcm support,<br class=""><br class=""><br class="">I am trying to include sea-surface temperature (SST) relaxation with temporal variability.<br class=""><br class="">I found the documentation for which parameters to change for temporally varying wind stress (<a href="http://mitgcm.org/public/r2_manual/latest/online_documents/node104.html" class="">http://mitgcm.org/public/r2_manual/latest/online_documents/node104.html</a>) but the `externForcingCycle` and `externForcingPeriod` parameters seem only to be incorporated into the momentum equation.<br class="">Do the parameters also apply to the SST forcing prescribed by `thetaClimFile` in the `data` name file or would I need to use the `rbcs` package by prescribing `rbcsForcingPeriod`, `rbcsForcingCycle` and `tauRelaxT`?<br class="">In the latter case, should I simply comment out `tauThetaClimRelax` and `thetaClimFile` in the `data` name file?<br class=""><br class="">Any clarification on this would be helpful. Thank you very much for your support in advance.<br class=""><br class=""><br class="">Best,<br class="">Takaya<br class="">———————<br class="">PhD Candidate<br class="">Physical Oceanography<br class="">Columbia University in the City of New York<br class=""><a href="https://roxyboy.github.io/" class="">https://roxyboy.github.io/</a><br class=""><br class="">_______________________________________________<br class="">MITgcm-support mailing list<br class="">MITgcm-support@mitgcm.org<br class="">http://mailman.mitgcm.org/mailman/listinfo/mitgcm-support<br class=""></blockquote><br class="">_______________________________________________<br class="">MITgcm-support mailing list<br class=""><a href="mailto:MITgcm-support@mitgcm.org" class="">MITgcm-support@mitgcm.org</a><br class="">http://mailman.mitgcm.org/mailman/listinfo/mitgcm-support<br class=""></blockquote><br class=""><br class="">_______________________________________________<br class="">MITgcm-support mailing list<br class=""><a href="mailto:MITgcm-support@mitgcm.org" class="">MITgcm-support@mitgcm.org</a><br class="">http://mailman.mitgcm.org/mailman/listinfo/mitgcm-support<br class=""></blockquote><br class="">_______________________________________________<br class="">MITgcm-support mailing list<br class=""><a href="mailto:MITgcm-support@mitgcm.org" class="">MITgcm-support@mitgcm.org</a><br class="">http://mailman.mitgcm.org/mailman/listinfo/mitgcm-support<br class=""></div></div></blockquote></div><br class=""></body></html>