<div dir="ltr"><p class="MsoNormal" style="margin:0cm 0cm 0.0001pt;line-height:115%;font-size:11pt;font-family:Calibri,sans-serif"><span lang="EN-US" style="font-size:12pt;line-height:115%;font-family:"Times New Roman",serif">Hello everyone!</span></p>

<p class="MsoNormal" style="margin:0cm 0cm 0.0001pt;line-height:115%;font-size:11pt;font-family:Calibri,sans-serif"><span lang="EN-US" style="font-size:12pt;line-height:115%;font-family:"Times New Roman",serif"> </span></p>

<p class="MsoNormal" style="margin:0cm 0cm 0.0001pt;line-height:115%;font-size:11pt;font-family:Calibri,sans-serif"><span lang="EN-US" style="font-size:12pt;line-height:115%;font-family:"Times New Roman",serif">I get very thick sea ice at several locations in the
high-res Kara Sea model domain (horizontal resolution is 500-1200 m).
Interestingly, the general pattern of sea ice concentration and thickness is OK
compared to MERCATOR ocean reanalysis, but in some regions the modeled HEFF is reported
by the monitor to be about 15 m after 5 months of integration (starting from
realistic initial conditions). I have attached the figure to clarify what I
mean and where it happens.</span></p>

<p class="MsoNormal" style="margin:0cm 0cm 0.0001pt;line-height:115%;font-size:11pt;font-family:Calibri,sans-serif"><span lang="EN-US" style="font-size:12pt;line-height:115%;font-family:"Times New Roman",serif"> </span></p>

<p class="MsoNormal" style="margin:0cm 0cm 0.0001pt;line-height:115%;font-size:11pt;font-family:Calibri,sans-serif"><span lang="EN-US" style="font-size:12pt;line-height:115%;font-family:"Times New Roman",serif">I suspect the ridging process near the open boundaries
to be involved in this situation, but I do not know what can be done with it.</span></p>

<p class="MsoNormal" style="margin:0cm 0cm 0.0001pt;line-height:115%;font-size:11pt;font-family:Calibri,sans-serif"><span lang="EN-US" style="font-size:12pt;line-height:115%;font-family:"Times New Roman",serif"> </span></p>

<p class="MsoNormal" style="margin:0cm 0cm 0.0001pt;line-height:115%;font-size:11pt;font-family:Calibri,sans-serif"><span lang="EN-US" style="font-size:12pt;line-height:115%;font-family:"Times New Roman",serif">Such HEFF also produce problems in vertical layers
when useRealFreshWaterFlux is TRUE, but I checked that such too thick ice is
also produced when useRealFreshWaterFlux is OFF, so it is not a cause (at
least, not the main cause).</span></p>

<p class="MsoNormal" style="margin:0cm 0cm 0.0001pt;line-height:115%;font-size:11pt;font-family:Calibri,sans-serif"><span lang="EN-US" style="font-size:12pt;line-height:115%;font-family:"Times New Roman",serif"> </span></p>

<p class="MsoNormal" style="margin:0cm 0cm 0.0001pt;line-height:115%;font-size:11pt;font-family:Calibri,sans-serif"><span lang="EN-US" style="font-size:12pt;line-height:115%;font-family:"Times New Roman",serif;background:rgb(252,252,252)">Unfortunately,
there exist too many options to just iterate through all of them.</span></p>

<p class="MsoNormal" style="margin:0cm 0cm 0.0001pt;line-height:115%;font-size:11pt;font-family:Calibri,sans-serif"><span lang="EN-US" style="font-size:12pt;line-height:115%;font-family:"Times New Roman",serif;background:rgb(252,252,252)"> </span></p>

<p class="MsoNormal" style="margin:0cm 0cm 0.0001pt;line-height:115%;font-size:11pt;font-family:Calibri,sans-serif"><span lang="EN-US" style="font-size:12pt;line-height:115%;font-family:"Times New Roman",serif;background:rgb(252,252,252)">May be
you can advise what can be done to mitigate such overestimated HEFF? My
preliminary suggestions are as follows, but I am not sure about them:</span></p>

<p class="MsoNormal" style="margin:0cm 0cm 0.0001pt;line-height:115%;font-size:11pt;font-family:Calibri,sans-serif"><span lang="EN-US" style="font-size:12pt;line-height:115%;font-family:"Times New Roman",serif;background:rgb(252,252,252)"> </span></p>

<p class="MsoNormal" style="margin:0cm 0cm 0.0001pt;line-height:115%;font-size:11pt;font-family:Calibri,sans-serif"><span lang="EN-US" style="font-size:12pt;line-height:115%;font-family:"Times New Roman",serif;background:rgb(252,252,252)">- to switch
off the uice and vice at the OBCS?</span></p>

<p class="MsoNormal" style="margin:0cm 0cm 0.0001pt;line-height:115%;font-size:11pt;font-family:Calibri,sans-serif"><span lang="EN-US" style="font-size:12pt;line-height:115%;font-family:"Times New Roman",serif;background:rgb(252,252,252)">- to set
SEAICE_no_slip=TRUE to reduce the sea ice velocities near the coasts to prevent
enhanced ridging?</span></p>

<p class="MsoNormal" style="margin:0cm 0cm 0.0001pt;line-height:115%;font-size:11pt;font-family:Calibri,sans-serif"><span lang="EN-US" style="font-size:12pt;line-height:115%;font-family:"Times New Roman",serif;background:rgb(252,252,252)">- to use
sponge at the open boundaries?</span></p>

<p class="MsoNormal" style="margin:0cm 0cm 0.0001pt;line-height:115%;font-size:11pt;font-family:Calibri,sans-serif"><span lang="EN-US" style="font-size:12pt;line-height:115%;font-family:"Times New Roman",serif;background:rgb(252,252,252)">- there
was a CPP key OBCS_SEAICE_AVOID_CONVERGENCE, but it is only for OBCS_UVICE_OLD
which, in turn, is undefined by default and even may be not implemented, as
stated.</span></p>

<p class="MsoNormal" style="margin:0cm 0cm 0.0001pt;line-height:115%;font-size:11pt;font-family:Calibri,sans-serif"><span lang="EN-US" style="font-size:12pt;line-height:115%;font-family:"Times New Roman",serif;background:rgb(252,252,252)"> </span></p>

<p class="MsoNormal" style="margin:0cm 0cm 0.0001pt;line-height:115%;font-size:11pt;font-family:Calibri,sans-serif"><span lang="EN-US" style="font-size:12pt;line-height:115%;font-family:"Times New Roman",serif;background:rgb(252,252,252)">Any
advice is very welcome!</span></p>

<p class="MsoNormal" style="margin:0cm 0cm 0.0001pt;line-height:115%;font-size:11pt;font-family:Calibri,sans-serif"><span lang="EN-US" style="font-size:12pt;line-height:115%;font-family:"Times New Roman",serif;background:rgb(252,252,252)"> </span></p>

<p class="MsoNormal" style="margin:0cm 0cm 0.0001pt;line-height:115%;font-size:11pt;font-family:Calibri,sans-serif"><span lang="EN-US" style="font-size:12pt;line-height:115%;font-family:"Times New Roman",serif">Stanislav</span></p>

<p class="MsoNormal" style="margin:0cm 0cm 0.0001pt;line-height:115%;font-size:11pt;font-family:Calibri,sans-serif"><span lang="EN-US" style="font-size:12pt;line-height:115%;font-family:"Times New Roman",serif;background:rgb(252,252,252)"> </span><span style="background-color:rgb(252,252,252);font-family:"Times New Roman",serif;font-size:12pt"> </span></p>

<p class="MsoNormal" style="margin:0cm 0cm 0.0001pt;line-height:115%;font-size:11pt;font-family:Calibri,sans-serif"><span lang="EN-US" style="font-size:12pt;line-height:115%;font-family:"Times New Roman",serif;background:rgb(252,252,252)">PS: I
use a SEAICE package configuration which is very close to the default one. What
I have changed is:</span></p>

<p class="MsoNormal" style="margin:0cm 0cm 0.0001pt;line-height:115%;font-size:11pt;font-family:Calibri,sans-serif"><span lang="EN-US" style="font-size:12pt;line-height:115%;font-family:"Times New Roman",serif">#define SEAICE_VARIABLE_SALINITY</span></p>

<p class="MsoNormal" style="margin:0cm 0cm 0.0001pt;line-height:115%;font-size:11pt;font-family:Calibri,sans-serif"><span lang="EN-US" style="font-size:12pt;line-height:115%;font-family:"Times New Roman",serif">SEAICEadvScheme = 33,</span></p>

<p class="MsoNormal" style="margin:0cm 0cm 0.0001pt;line-height:115%;font-size:11pt;font-family:Calibri,sans-serif"><span lang="EN-US" style="font-size:12pt;line-height:115%;font-family:"Times New Roman",serif">SEAICE_multDim = 1,</span></p></div>