<div dir="ltr"><div>Hi Kunal</div><div><br></div><div>I've had similar errors with OBCS.<br></div><div>For time interpolation to work, you need to have an extra record before and another after the</div><div>time period of your integration in the OBCS files, say, a copy of the first and last records respectively</div><div>(or any other more appropriate scheme, depending on your data).</div><div><br></div><div>I hope this helps,</div><div>Gus Correa<br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Wed, Aug 18, 2021 at 9:42 AM kunal madkaiker <<a href="mailto:kunal.madkaiker02@gmail.com">kunal.madkaiker02@gmail.com</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 dir="ltr"><div>Dear All,</div><div><br></div><div>I am using MITgcm for regional analysis. I have kept a single OB point on the northern boundary. But I keep getting backtrace error and model blows.<br></div><div><br></div><div>Error termination. Backtrace:<br>At line 1946 of file mdsio_read_section.f (unit = 9, file = 'OBNu.seaice_obcs')<br>Fortran runtime error: Non-existing record number</div><div><br></div><div>I have gone through similar asked questions on the support group and checked accordingly. The dimensions for my NOBCS pt is 1x48x2 (nx x nz x nt). I have prepared the T,S,U and V data and written as real*8. But still error persists.</div><div></div><div>Attaching my data, data.exf, data.obcs files. Kindly assist.</div><div><br></div><div>Regards,</div><div>Kunal<br></div></div>
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