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26  <h1>SAXO Documentation</h1>
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74<a href="grossemoyenne.html">&lt;&lt;prev file</a> | <a href="level2depth.html">next file &gt;&gt;</a>&nbsp;&nbsp;&nbsp;&nbsp;<a href="hdyn.html" target="_TOP">view single page</a> | <a href="./../../index.html" target="_TOP">view frames</a>&nbsp;&nbsp;&nbsp;&nbsp;summary: fields | routine&nbsp;&nbsp;&nbsp;&nbsp;details: <a href="#routine_details">routine</a>
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81      <h1 class="directory"><a href="directory-overview.html">ToBeReviewed/CALCULS/</a></h1>
82      <h2 class="pro_file">hdyn.pro</h2>
83
84      <div id="file_attr">
85        <dl>
86        </dl>
87      </div>
88
89      <div id="file_comments">
90 Calculate the height by rapport to a reference state for a depth reference.
91 See keywords for different possibilities. By default, the state reference
92 is rho=1020 and the depth reference is gdepw[ka] with ka the first W level
93 directly above 1000 m.
94</div>
95
96     
97
98     
99
100     
101
102     
103
104      <div id="routine_details">
105       
106
107        <div class="routine_details" id="_hdyn">
108
109          <h2><a class="top" href="#container">top</a>hdyn <span class="categories">
110 Calculation
111</span></h2>
112       
113          <p class="header">
114            <span class="result">result = </span>hdyn(<span class="result"><a href="#_hdyn_param_tabsn">tabsn</a>, <a href="#_hdyn_param_tabtn">tabtn</a></span>, <a href="#_hdyn_keyword_TREF">TREF</a>=<span class="result">TREF</span>, <a href="#_hdyn_keyword_SREF">SREF</a>=<span class="result">SREF</span>, <a href="#_hdyn_keyword_PROFREF">PROFREF</a>=<span class="result">PROFREF</span>, <a href="#_hdyn_keyword_LEVEL">LEVEL</a>=<span class="result">LEVEL</span>, <a href="#_hdyn_keyword_GILL">GILL</a>=<span class="result">GILL</span>, <a href="#_hdyn_keyword_SURFACE_LEVEL">SURFACE_LEVEL</a>=<span class="result">SURFACE_LEVEL</span>)</p>
115       
116          <div class="comments">
117</div>
118
119          <h3>Return value</h3><div class="preformat">
120 An array of the same size of sn and tn representing the dynamic height calculated
121 from a reference depth nd by rapport to a reference state.
122</div>
123
124         
125            <h3>Parameters</h3>
126       
127           
128            <h4 id="_hdyn_param_tabsn">tabsn&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
129              <span class="attr">in</span>
130             
131             
132              <span class="attr">required</span>
133             
134             
135             
136             
137            </h4>
138       
139          <div class="comments">
140 array representing the salinity
141</div>
142           
143            <h4 id="_hdyn_param_tabtn">tabtn&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
144              <span class="attr">in</span>
145             
146             
147              <span class="attr">required</span>
148             
149             
150             
151             
152            </h4>
153       
154          <div class="comments">
155 array representing the temperature.Has the same size than SN
156</div>
157           
158
159         
160
161         
162
163            <h3>Keywords</h3>
164           
165            <h4 id="_hdyn_keyword_TREF">TREF&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
166             
167             
168             
169             
170             
171             
172             
173             
174            </h4>
175       
176            <div class="comments">
177 Give a value to this keyword to change the reference temperature used in the
178 calculation when GILL  is activated.
179 </div>
180           
181            <h4 id="_hdyn_keyword_SREF">SREF&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
182             
183             
184             
185             
186             
187             
188             
189             
190            </h4>
191       
192            <div class="comments"> 
193 Give a value to this keyword to change the reference salinity used in the
194 calculation when GILL  is activated.
195   </div>
196           
197            <h4 id="_hdyn_keyword_PROFREF">PROFREF&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
198             
199             
200             
201             
202             
203             
204             
205             
206            </h4>
207       
208            <div class="comments">
209 Give a depth to this keyword which will be considered as the reference depth
210 (in this case, LEVEL has not any effect). the calculation will be effectuated
211 until this depth effecting an interpolation between the the last W level above
212 PROFREF and PROFREF.
213</div>
214           
215            <h4 id="_hdyn_keyword_LEVEL">LEVEL&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
216             
217             
218             
219             
220             
221             
222             
223             
224            </h4>
225       
226            <div class="comments">
227 It is the same reference level to take. This level is defined like
228 that gdepw[level] is the reference depth
229 </div>
230           
231            <h4 id="_hdyn_keyword_GILL">GILL&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
232             
233             
234             
235             
236             
237             
238             
239             
240            </h4>
241       
242            <div class="comments"> We activate this key if we want to calculate the dynamic height
243 like in the GILL page 215, which means by rapport to a reference state which
244 vary in depth and which is determined by a reference temperature tref at 0°C
245 and a reference salinity sref at 35psu
246</div>
247           
248            <h4 id="_hdyn_keyword_SURFACE_LEVEL">SURFACE_LEVEL&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
249             
250             
251             
252             
253             
254             
255              <span class="attr">default:</span> <span class="value">0</span>
256             
257            </h4>
258       
259            <div class="comments">
260 It is the level where we wan to calculate the dynamic height.
261</div>
262           
263         
264
265         
266          <h3>Version history</h3>
267         
268          <h4>Version</h4><div class="preformat">
269 $Id: hdyn.pro 163 2006-08-29 12:59:46Z navarro $
270</div>
271          <h4>History</h4><div class="preformat">
272 Sebastien Masson (smasson@lodyc.jussieu.fr)
273</div>
274         
275         
276          <h3>Known issues</h3>
277         
278         
279         
280          <h4>Restrictions</h4><div class="preformat">
281 Points for which we can not calculate the dynamic height (whose the batymetry
282 is less deep than the reference depth) are put at the value !values.f_nan
283
284
285 approximation: The pressure in decibars is equal to the depth in meters (the pressure increase of 1bar all 10m)
286</div>
287       
288          <h3>Other attributes</h3>
289         
290         
291          <h4>Uses routines</h4><div class="preformat"> 
292 common.pro
293</div>
294         
295         
296         
297       
298          <h3>Statistics</h3>
299          <table class="statistics">
300            <tr><td>McCabe cyclic</td><td>          28</td></tr>
301            <tr><td>McCabe essential</td><td>           1</td></tr>
302            <tr><td>McCabe modular design</td><td>           1</td></tr>
303          </table>
304         
305       
306        </div>
307       
308      </div>
309
310     
311
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315
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