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5 | <title>hdyn.pro (SAXO Documentation Assistant)</title> |
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45 | <table border="0" cellpadding="0" cellspacing="0" width="98%" bgcolor="#F0F0FF" valign="bottom"> |
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46 | <tr> |
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47 | <td width="10%"> |
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48 | <a href="grossemoyenne.html"><img src="./../../prev.gif" border="0" alt="Previous"></a></td> |
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49 | <td width="80%" align="center" valign="center"> |
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50 | <font size=-1><i>SAXO Documentation Assistant</i>: <a href="./../../home.html">Overview</a></font></td> |
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51 | <td width="10%" align="right"> |
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52 | <a href="level2depth.html"><img src="./../../next.gif" border="0" alt="Next"></a></td> |
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53 | </tr> |
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54 | </table> |
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55 | |
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56 | |
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57 | <h1><font size="-2">ToBeReviewed/CALCULS/</font></h1> |
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58 | <h2>hdyn.pro</h2> |
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59 | |
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60 | <dl> |
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61 | </dl> |
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62 | |
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63 | |
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64 | Calculate the height by rapport to a reference state for a depth reference. |
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65 | See keywords for different possibilities. By default, the state reference |
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66 | is rho=1020 and the depth reference is gdepw[ka] with ka the first W level |
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67 | directly above 1000 m. |
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68 | |
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69 | |
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70 | |
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71 | |
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72 | |
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73 | <a name="#_hdyn"></a> |
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74 | |
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75 | <h2>hdyn <font size="-1" color="#006633"> |
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76 | Calculation |
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77 | </font></h2> |
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78 | |
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79 | <p><font face="Courier"><i>result = </i>hdyn(<i><a href="#_hdyn_keyword_tabsn">tabsn</a>, <a href="#_hdyn_keyword_tabtn">tabtn</a></i>, <a href="#_hdyn_keyword_TREF">TREF</a>=<i>TREF</i>, <a href="#_hdyn_keyword_SREF">SREF</a>=<i>SREF</i>, <a href="#_hdyn_keyword_PROFREF">PROFREF</a>=<i>PROFREF</i>, <a href="#_hdyn_keyword_LEVEL">LEVEL</a>=<i>LEVEL</i>, <a href="#_hdyn_keyword_GILL">GILL</a>=<i>GILL</i>, <a href="#_hdyn_keyword_SURFACE_LEVEL">SURFACE_LEVEL</a>=<i>SURFACE_LEVEL</i>)</font></p> |
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80 | |
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81 | |
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82 | |
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83 | |
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84 | <h3>Return value</h3> |
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85 | An array of the same size of sn and tn representing the dynamic height calculated |
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86 | from a reference depth nd by rapport to a reference state. |
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87 | |
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88 | |
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89 | |
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90 | <h3>Parameters</h3> |
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91 | |
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92 | |
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93 | <a name="#_hdyn_keyword_tabsn"></a> |
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94 | <h4>tabsn |
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95 | <font size="-1" color="#006633">in</font> |
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96 | |
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97 | |
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98 | <font size="-1" color="#006633">required</font> |
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99 | |
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100 | |
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101 | |
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102 | |
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103 | </h4> |
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104 | |
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105 | |
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106 | array representing the salinity |
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107 | |
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108 | |
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109 | |
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110 | <a name="#_hdyn_keyword_tabtn"></a> |
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111 | <h4>tabtn |
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112 | <font size="-1" color="#006633">in</font> |
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113 | |
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114 | |
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115 | <font size="-1" color="#006633">required</font> |
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116 | |
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117 | |
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118 | |
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119 | |
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120 | </h4> |
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121 | |
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122 | |
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123 | array representing the temperature.Has the same size than SN |
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124 | |
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125 | |
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126 | |
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127 | |
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128 | |
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129 | <h3>Keywords</h3> |
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130 | |
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131 | |
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132 | <a name="#_hdyn_keyword_TREF"></a> |
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133 | <h4>TREF |
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134 | |
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135 | |
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136 | |
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137 | |
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138 | |
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139 | |
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140 | |
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141 | |
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142 | </h4> |
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143 | |
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144 | |
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145 | Give a value to this keyword to change the reference temperature used in the |
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146 | calculation when GILL is activated. |
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147 | |
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148 | |
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149 | <a name="#_hdyn_keyword_SREF"></a> |
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150 | <h4>SREF |
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151 | |
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152 | |
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153 | |
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154 | |
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155 | |
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156 | |
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157 | |
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158 | |
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159 | </h4> |
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160 | |
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161 | |
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162 | Give a value to this keyword to change the reference salinity used in the |
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163 | calculation when GILL is activated. |
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164 | |
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165 | |
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166 | <a name="#_hdyn_keyword_PROFREF"></a> |
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167 | <h4>PROFREF |
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168 | |
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169 | |
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170 | |
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171 | |
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172 | |
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173 | |
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174 | |
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175 | |
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176 | </h4> |
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177 | |
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178 | |
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179 | Give a depth to this keyword which will be considered as the reference depth |
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180 | (in this case, LEVEL has not any effect). the calculation will be effectuated |
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181 | until this depth effecting an interpolation between the the last W level above |
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182 | PROFREF and PROFREF. |
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183 | |
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184 | |
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185 | <a name="#_hdyn_keyword_LEVEL"></a> |
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186 | <h4>LEVEL |
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187 | |
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188 | |
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189 | |
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190 | |
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191 | |
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192 | |
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193 | |
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194 | |
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195 | </h4> |
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196 | |
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197 | |
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198 | It is the same reference level to take. This level is defined like |
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199 | that gdepw[level] is the reference depth |
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200 | |
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201 | |
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202 | <a name="#_hdyn_keyword_GILL"></a> |
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203 | <h4>GILL |
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204 | |
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205 | |
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206 | |
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207 | |
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208 | |
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209 | |
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210 | |
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211 | |
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212 | </h4> |
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213 | |
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214 | We activate this key if we want to calculate the dynamic height |
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215 | like in the GILL page 215, which means by rapport to a reference state which |
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216 | vary in depth and which is determined by a reference temperature tref at 0°C |
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217 | and a reference salinity sref at 35psu |
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218 | |
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219 | |
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220 | <a name="#_hdyn_keyword_SURFACE_LEVEL"></a> |
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221 | <h4>SURFACE_LEVEL |
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222 | |
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223 | |
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224 | |
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225 | |
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226 | |
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227 | |
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228 | <font size="-1" color="#006633">default:</font> <font size="-1" color="#006633"><i>0</i></font> |
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229 | |
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230 | </h4> |
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231 | |
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232 | |
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233 | It is the level where we wan to calculate the dynamic height. |
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234 | |
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235 | |
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236 | |
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237 | |
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238 | |
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239 | <h3>Version history</h3> |
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240 | |
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241 | <h4>Version</h4> |
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242 | $Id: hdyn.pro 163 2006-08-29 12:59:46Z navarro $ |
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243 | |
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244 | <h4>History</h4> |
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245 | Sebastien Masson (smasson@lodyc.jussieu.fr) |
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246 | |
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247 | |
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248 | |
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249 | <h3>Known issues</h3> |
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250 | |
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251 | |
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252 | |
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253 | <h4>Restrictions</h4> |
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254 | Points for which we can not calculate the dynamic height (whose the batymetry |
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255 | is less deep than the reference depth) are put at the value !values.f_nan |
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256 | |
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257 | |
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258 | approximation: The pressure in decibars is equal to the depth in meters (the pressure increase of 1bar all 10m) |
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259 | |
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260 | |
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261 | <h3>Other attributes</h3> |
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262 | |
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263 | |
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264 | <h4>Uses routines</h4> |
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265 | common.pro |
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266 | |
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267 | |
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268 | |
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269 | |
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270 | |
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271 | <font size="-3"><p> </p></font> |
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272 | <hr size="1" color="#CCCCCC"/> |
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273 | |
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276 | |
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277 | <p><font color="gray" size="-3"> Produced by IDLdoc 2.0 on Wed Sep 13 16:32:34 2006.</font></p> |
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278 | |
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279 | </body> |
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280 | </html> |
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