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<p class="MsoNormal"><span lang="EN-US" style="font-size:12.0pt">Hello all,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:12.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:12.0pt">I want to use the model output (temp & salt & eta) to calculate the phiHyd, Through reading the guidebook, I learned that phiHyd is called hydrostatic pressure potential anomaly, using the equation
like </span><span lang="EN-US"><a href="https://mitgcm.readthedocs.io/en/latest/examples/baroclinic_gyre/baroclinic_gyre.html#output-files">4.2. Baroclinic Ocean Gyre
<span lang="EN-US"><span lang="EN-US">¡ª MITgcm checkpoint68k-6-g80404458a documentation</span></span></a>.</span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:12.0pt">In my model, setting a linaer EOS,
</span><span lang="EN-US" style="font-family:"Lato",sans-serif;color:black;background:#F3F6F6">implicitFreeSurface=¡¯true¡¯</span><span lang="EN-US" style="font-size:12.0pt">, and rhoConst=999.8. Here is my question, there is a rho_0, how the model calculates
it? <o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:12.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:12.0pt">What I have done. I set rho_0=rhoref (got from RhoRef.data & RhoRef.meta), but the result is not the same as the phiHyd (got from phiHyd.00000******.t0**.nc).<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:12.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:12.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:12.0pt">Leming<o:p></o:p></span></p>
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