1 | # NEMO periodicity |
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2 | |
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3 | NEMO periodicity is defined as follow :<br/> |
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4 | <dl> |
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5 | <dt>closed boundary (in_perio=0)</dt> |
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6 | <dd>ghost cells (solid walls) are imposed at all model boundaries.</dd> |
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7 | @image html perio0_20.png |
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8 | @latexonly |
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9 | \begin{center} |
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10 | \includegraphics{perio0_20.png} |
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11 | \end{center} |
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12 | @endlatexonly |
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13 | <dt>cyclic east-west boundary (in_perio=1)</dt> |
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14 | <dd>first and last rows are closed, whilst the first column is set to the value of the last-but-one column and the last column to the value of the second one.</dd> |
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15 | @image html perio1_20.png |
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16 | @latexonly |
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17 | \begin{center} |
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18 | \includegraphics{perio1_20.png} |
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19 | \end{center} |
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20 | @endlatexonly |
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21 | <dt>symmetric boundary condition across the equator. (in_perio=2)</dt> |
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22 | <dd>last row, and first and last columns are closed. </dd> |
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23 | @image html perio2_20.png |
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24 | @latexonly |
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25 | \begin{center} |
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26 | \includegraphics{perio2_20.png} |
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27 | \end{center} |
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28 | @endlatexonly |
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29 | <dt>North fold boundary with a T -point pivot (in_perio=3)</dt> |
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30 | <dd>first row, and first and last columns are closed. </dd> |
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31 | @image html perio3_20.png |
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32 | @latexonly |
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33 | \begin{center} |
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34 | \includegraphics{perio3_20.png} |
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35 | \end{center} |
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36 | @endlatexonly |
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37 | <dt>North fold boundary with a T -point pivot and cyclic east-west boundary (in_perio=4)</dt> |
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38 | <dd>first row is closed. The first column is set to the value of the last-but-one column and the last column to the value of the second one. </dd> |
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39 | @image html perio4_20.png |
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40 | @latexonly |
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41 | \begin{center} |
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42 | \includegraphics{perio4_20.png} |
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43 | \end{center} |
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44 | @endlatexonly |
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45 | <dt>North fold boundary with a F -point pivot (in_perio=5)</dt> |
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46 | <dd>first row, and first and last columns are closed. </dd> |
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47 | @image html perio5_20.png |
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48 | @latexonly |
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49 | \begin{center} |
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50 | \includegraphics{perio5_20.png} |
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51 | \end{center} |
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52 | @endlatexonly |
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53 | <dt>North fold boundary with a F -point pivot and cyclic east-west boundary (in_perio=6)</dt> |
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54 | <dd>first row is closed. The first column is set to the value of the last-but-one column and the last column to the value of the second one.</dd> |
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55 | @image html perio6_20.png |
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56 | @image html perio5_20.png |
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57 | @latexonly |
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58 | \begin{center} |
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59 | \includegraphics{perio6_20.png} |
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60 | \end{center} |
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61 | @endlatexonly |
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62 | </dl> |
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63 | @sa For more information about NEMO periodicity, see _Model Boundary Condition_ chapter in [NEMO documentation](http://www.nemo-ocean.eu/About-NEMO/Reference-manuals)) |
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