<div dir="ltr"><div dir="ltr">Hi,<div><br></div><div>I have ensured that my input files are correctly being written/formatted, but I'm running into a new problem. The model is basically doing some sort of interpolation – the orange line is what my forcing is and the blue line is what the model is doing. I believe the forcing is offset in time somehow.</div><div><br></div><div>Do you have any suggestions? </div><div><br></div><div>Thank you,</div><div>Suhani </div></div><br><div class="gmail_quote gmail_quote_container"><div dir="ltr" class="gmail_attr">On Wed, Jul 2, 2025 at 1:33 PM Jody Klymak <<a href="mailto:jklymak@uvic.ca">jklymak@uvic.ca</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div class="msg6898705751839679623">
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<p class="MsoNormal"><span style="font-size:11pt">Hi Suhani<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11pt"><u></u> <u></u></span></p>
<p class="MsoNormal"><span style="font-size:11pt">You may want to carefully read:
<a href="https://mitgcm.readthedocs.io/en/latest/getting_started/getting_started.html#mitgcm-input-data-file-format" target="_blank">
https://mitgcm.readthedocs.io/en/latest/getting_started/getting_started.html#mitgcm-input-data-file-format</a> as well.<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11pt"><u></u> <u></u></span></p>
<p class="MsoNormal"><span style="font-size:11pt">Cheers, Jody<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11pt"><u></u> <u></u></span></p>
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<p class="MsoNormal"><b><span style="font-family:Calibri,sans-serif;color:black">From:
</span></b><span style="font-family:Calibri,sans-serif;color:black">MITgcm-support <<a href="mailto:mitgcm-support-bounces@mitgcm.org" target="_blank">mitgcm-support-bounces@mitgcm.org</a>> on behalf of Dimitris Menemenlis <<a href="mailto:dmenemenlis@gmail.com" target="_blank">dmenemenlis@gmail.com</a>><br>
<b>Reply-To: </b>"<a href="mailto:mitgcm-support@mitgcm.org" target="_blank">mitgcm-support@mitgcm.org</a>" <<a href="mailto:mitgcm-support@mitgcm.org" target="_blank">mitgcm-support@mitgcm.org</a>><br>
<b>Date: </b>Wednesday, July 2, 2025 at 10:28 AM<br>
<b>To: </b>MITgcm Support <<a href="mailto:mitgcm-support@mitgcm.org" target="_blank">mitgcm-support@mitgcm.org</a>><br>
<b>Subject: </b>Re: [MITgcm-support] Time-Dependent Periodic Forcings<u></u><u></u></span></p>
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<p class="MsoNormal"><u></u> <u></u></p>
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<p class="MsoNormal">
<span style="font-size:9pt;font-family:"Segoe UI",sans-serif;color:rgb(33,33,33)">You don't often get email from <a href="mailto:dmenemenlis@gmail.com" target="_blank">dmenemenlis@gmail.com</a>.
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<u></u><u></u></span></p>
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<p class="MsoNormal">The core MITgcm routines (MITgcm/model) do provide some basic capability for prescribing forcing, see for example:<u></u><u></u></p>
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<p class="MsoNormal"><a href="https://github.com/MITgcm/MITgcm/blob/master/verification/tutorial_global_oce_latlon/input/data" target="_blank">https://github.com/MITgcm/MITgcm/blob/master/verification/tutorial_global_oce_latlon/input/data</a><u></u><u></u></p>
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<p class="MsoNormal"><u></u> <u></u></p>
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<p class="MsoNormal">But pkg/exf has many more capabilities and flexibility: <a href="https://mitgcm.readthedocs.io/en/latest/phys_pkgs/exf.html" target="_blank">https://mitgcm.readthedocs.io/en/latest/phys_pkgs/exf.html</a><u></u><u></u></p>
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<p class="MsoNormal"><u></u> <u></u></p>
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<p class="MsoNormal">D.<u></u><u></u></p>
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<p class="MsoNormal"><u></u> <u></u></p>
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<u></u><u></u></p>
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<p class="MsoNormal">On Jul 2, 2025, at 10:12<span style="font-family:Arial,sans-serif"> </span>AM, Suhani Dalal <<a href="mailto:suhani.dalal@yale.edu" target="_blank">suhani.dalal@yale.edu</a>> wrote:<u></u><u></u></p>
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<p class="MsoNormal"><u></u> <u></u></p>
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<p class="MsoNormal"><span style="font-size:9pt;font-family:Helvetica">Thank you! Based on these examples, it seems like you need to use the exf package to prescribe the forcing. Is that correct? </span><u></u><u></u></p>
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