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| 6 |  |  | Circulation and Climate of the Ocean (ECCO) project homepage. ECCO is a consortium | 
| 7 |  |  | involving the Massachusetts Institute of Technology (MIT), the Jet Propulsion | 
| 8 |  |  | Laboratory (JPL/NASA), the Scripps Institution of Oceanography (SIO/SDSC) and the Institut | 
| 9 |  |  | fuer Meereskunde at the University of Hamburg (IfM). It is funded by the National | 
| 10 |  |  | Oceanographic Partnership Program (NOPP). The long term goal of ECCO is to provide | 
| 11 |  |  | a high resolution coupled ocean/sea-ice/biochemical (and ultimately, consistent | 
| 12 |  |  | atmospheric) state estimate to a wide community." /> | 
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| 89 |  |  | <p class="headergray"> </p> | 
| 90 |  |  | <p class="headergray">PRODUCTS</p> | 
| 91 |  |  | <p><strong>Brief introduction </strong></p> | 
| 92 |  |  | <p>ECCO products are freely available through several applications. However,   we ask that all users of these product use the following standard   acknowledgment: "The state estimates were provided by the ECCO Consortium   for Estimating the Circulation and Climate of the Ocean funded by the National   Oceanographic Partnership Program (NOPP)." <BR /> | 
| 93 |  |  | <BR /> | 
| 94 |  |  | Data servers contain   four groups of data: </p> | 
| 95 |  |  | <UL> | 
| 96 |  |  | <LI>Monthly, 10-day, daily or 12-hourly ocean model state, adjusted forcing fields and mixing coefficients | 
| 97 |  |  | </li><LI>Obsevational data sets as they enter the optimization | 
| 98 |  |  | </li><LI>Misfits between model output and available observations, as computed by the   model cost/objective function | 
| 99 |  |  | </li><LI>Past published estimates are also kept on the data servers </LI> | 
| 100 |  |  | </UL> | 
| 101 |  |  | <p><BR /> | 
| 102 |  |  | <strong>ECCO products at a glance </strong></p> | 
| 103 |  |  | <p>This table summarizes the available ECCO   products.                            </p> | 
| 104 |  |  | <table border="0" cellpadding="3" cellspacing="0" class="border"> | 
| 105 |  |  | <thead> | 
| 106 |  |  | <tr> | 
| 107 |  |  | <td width="97" height="23" valign="middle" bgcolor="#F3F2ED"><p>Product </p></td> | 
| 108 |  |  | <td width="36" valign="middle" bgcolor="#F3F2ED"><p align="center">Version</p></td> | 
| 109 |  |  | <td width="72" valign="middle" bgcolor="#F3F2ED"><p align="center">Period</p></td> | 
| 110 |  |  | <td width="97" valign="middle" bgcolor="#F3F2ED"><p>Horiz.Res.</p></td> | 
| 111 |  |  | <td width="36" valign="middle" bgcolor="#F3F2ED"><p align="center">Levels</p></td> | 
| 112 |  |  | <td width="97" valign="middle" bgcolor="#F3F2ED"><p align="center">Iteration</p></td> | 
| 113 |  |  | <td width="97" valign="middle" bgcolor="#F3F2ED"><p>Method</p></td> | 
| 114 |  |  | <td width="144" valign="middle" bgcolor="#F3F2ED"><p>Comment</p></td> | 
| 115 |  |  | </tr> | 
| 116 |  |  | </thead> | 
| 117 |  |  | <tbody> | 
| 118 |  |  | <tr> | 
| 119 |  |  | <td valign="middle" width="97"><p>ECCO-SIO</p></td> | 
| 120 |  |  | <td valign="middle" width="36"><p align="center">0</p></td> | 
| 121 |  |  | <td valign="middle" width="72"><p align="left">1992-1997</p></td> | 
| 122 |  |  | <td valign="middle" width="97"><p>2 deg.</p></td> | 
| 123 |  |  | <td valign="middle" width="36"><p align="center">23</p></td> | 
| 124 |  |  | <td valign="middle" width="97"><p align="center"><a href="http://www.ecco-group.org/las/v6/dataset?catitem=2" target="_blank">NN</a></p></td> | 
| 125 |  |  | <td valign="middle" width="97"><p>adjoint</p></td> | 
| 126 |  |  | <td valign="middle" width="144"><p> </p></td> | 
| 127 |  |  | </tr> | 
| 128 |  |  | <tr> | 
| 129 |  |  | <td width="97" valign="middle" bgcolor="#F1F4F8"><p>ECCO-SIO</p></td> | 
| 130 |  |  | <td width="36" valign="middle" bgcolor="#F1F4F8"><p align="center">0</p></td> | 
| 131 |  |  | <td width="72" valign="middle" bgcolor="#F1F4F8"><p align="left">1992-2000</p></td> | 
| 132 |  |  | <td width="97" valign="middle" bgcolor="#F1F4F8"><p>2 deg.</p></td> | 
| 133 |  |  | <td width="36" valign="middle" bgcolor="#F1F4F8"><p align="center">23</p></td> | 
| 134 |  |  | <td width="97" valign="middle" bgcolor="#F1F4F8"><p align="center"><a href="http://www.ecco-group.org/las/v6/dataset?catitem=14" target="_blank">NN</a></p></td> | 
| 135 |  |  | <td width="97" valign="middle" bgcolor="#F1F4F8"><p>adjoint</p></td> | 
| 136 |  |  | <td width="144" valign="middle" bgcolor="#F1F4F8"><p> </p></td> | 
| 137 |  |  | </tr> | 
| 138 |  |  | <tr> | 
| 139 |  |  | <td valign="middle" width="97"><p>ECCO-SIO</p></td> | 
| 140 |  |  | <td valign="middle" width="36"><p align="center">1</p></td> | 
| 141 |  |  | <td valign="middle" width="72"><p align="left">1992-2002</p></td> | 
| 142 |  |  | <td valign="middle" width="97"><p>1 deg.</p></td> | 
| 143 |  |  | <td valign="middle" width="36"><p align="center">23</p></td> | 
| 144 |  |  | <td valign="middle" width="97"><p align="center"><a href="http://www.ecco-group.org/las/v6/dataset?catitem=38" target="_blank">69</a></p></td> | 
| 145 |  |  | <td valign="middle" width="97"><p>adjoint</p></td> | 
| 146 |  |  | <td valign="middle" width="144"><p> </p></td> | 
| 147 |  |  | </tr> | 
| 148 |  |  | <tr> | 
| 149 |  |  | <td width="97" valign="middle" bgcolor="#F1F4F8"><p>ECCO-GODAE</p></td> | 
| 150 |  |  | <td width="36" valign="middle" bgcolor="#F1F4F8"><p align="center">2</p></td> | 
| 151 |  |  | <td width="72" valign="middle" bgcolor="#F1F4F8"><p align="left">1992-2004</p></td> | 
| 152 |  |  | <td width="97" valign="middle" bgcolor="#F1F4F8"><p>1 deg.</p></td> | 
| 153 |  |  | <td width="36" valign="middle" bgcolor="#F1F4F8"><p align="center">23</p></td> | 
| 154 |  |  | <td width="97" valign="middle" bgcolor="#F1F4F8"><p align="center"><a href="http://www.ecco-group.org/las/v6/dataset?catitem=333" target="_blank">177</a>. <a href="http://www.ecco-group.org/las/v6/dataset?catitem=196" target="_blank">199</a>.  <a href="http://www.ecco-group.org/las/v6/dataset?catitem=459" target="_blank">216</a></p></td> | 
| 155 |  |  | <td width="97" valign="middle" bgcolor="#F1F4F8"><p>adjoint</p></td> | 
| 156 |  |  | <td width="144" valign="middle" bgcolor="#F1F4F8"><p> </p></td> | 
| 157 |  |  | </tr> | 
| 158 |  |  | <tr> | 
| 159 |  |  | <td valign="middle" width="97"><p>ECCO-GODAE</p></td> | 
| 160 |  |  | <td valign="middle" width="36"><p align="center">3</p></td> | 
| 161 |  |  | <td valign="middle" width="72"><p align="left">1992-2007</p></td> | 
| 162 |  |  | <td valign="middle" width="97"><p>1 deg.</p></td> | 
| 163 |  |  | <td valign="middle" width="36"><p align="center">23</p></td> | 
| 164 |  |  | <td valign="middle" width="97"><p align="center"><a href="http://www.ecco-group.org/las/v6/dataset?catitem=91" target="_blank">73</a></p></td> | 
| 165 |  |  | <td valign="middle" width="97"><p>adjoint</p></td> | 
| 166 |  |  | <td valign="middle" width="144"><p>sea-ice, bulk formulae</p></td> | 
| 167 |  |  | </tr> | 
| 168 |  |  | <tr> | 
| 169 |  |  | <td valign="middle" bgcolor="#F1F4F8">ECCO-GODAE   </td> | 
| 170 |  |  | <td valign="middle" bgcolor="#F1F4F8"><p align="center">2,3</p></td> | 
| 171 |  |  | <td valign="middle" bgcolor="#F1F4F8">1992-2006   </td> | 
| 172 |  |  | <td valign="middle" bgcolor="#F1F4F8">1 deg.</td> | 
| 173 |  |  | <td align="center" valign="middle" bgcolor="#F1F4F8">23</td> | 
| 174 |  |  | <td align="center" valign="middle" bgcolor="#F1F4F8"><a href="http://www.ecco-group.org/las/v6/dataset?catitem=138" target="_blank">gridded observations</a></td> | 
| 175 |  |  | <td valign="middle" bgcolor="#F1F4F8">-</td> | 
| 176 |  |  | <td valign="middle" bgcolor="#F1F4F8">gridded data sets</td> | 
| 177 |  |  | </tr> | 
| 178 |  |  | <tr> | 
| 179 |  |  | <td valign="middle" bgcolor="#F1F4F8">ECCO-GODAE   </td> | 
| 180 |  |  | <td valign="middle" bgcolor="#F1F4F8"><p align="center">2,3</p></td> | 
| 181 |  |  | <td valign="middle" bgcolor="#F1F4F8">1992-2006   </td> | 
| 182 |  |  | <td valign="middle" bgcolor="#F1F4F8">1 deg.</td> | 
| 183 |  |  | <td align="center" valign="middle" bgcolor="#F1F4F8">23</td> | 
| 184 |  |  | <td align="center" valign="middle" bgcolor="#F1F4F8"><a href="http://mit.ecco-group.org/opendap/nph-dods/datasets/ECCO_1x1/obs/" target="_blank">in-situ observations</a></td> | 
| 185 |  |  | <td valign="middle" bgcolor="#F1F4F8">-</td> | 
| 186 |  |  | <td valign="middle" bgcolor="#F1F4F8">via DODS/OPeNDAP</td> | 
| 187 |  |  | </tr> | 
| 188 |  |  | <tr> | 
| 189 |  |  | <td width="97" valign="middle"><p>ECCO-v4 </p></td> | 
| 190 |  |  | <td width="36" valign="middle"><p align="center">4</p></td> | 
| 191 |  |  | <td width="72" valign="middle"><p align="left">1992-2011</p></td> | 
| 192 |  |  | <td width="97" valign="middle"><p>LLC90</p></td> | 
| 193 |  |  | <td width="36" valign="middle"><p align="center">50</p></td> | 
| 194 |  |  | <td width="97" valign="middle"><p align="center"><a href="http://mit.ecco-group.org/opendap/ecco_for_las/version_4/release1/contents.html" target="_blank">Release 1</a></p></td> | 
| 195 |  |  | <td width="97" valign="middle"><p>adjoint</p></td> | 
| 196 |  |  | <td width="144" valign="middle"><p> </p></td> | 
| 197 |  |  | </tr> | 
| 198 |  |  | <tr> | 
| 199 |  |  | <td width="97" valign="middle"><p>ECCO-v4 </p></td> | 
| 200 |  |  | <td width="36" valign="middle"><p align="center">4</p></td> | 
| 201 |  |  | <td width="72" valign="middle"><p align="left">1992-2011</p></td> | 
| 202 |  |  | <td width="97" valign="middle"><p>LLC90</p></td> | 
| 203 |  |  | <td width="36" valign="middle"><p align="center">1</p></td> | 
| 204 |  |  | <td width="97" valign="middle"><p align="center"><a href="http://mit.ecco-group.org/opendap/ecco_for_las/version_4/release2/forcing/contents.html" target="_blank">forcing fields</a></p></td> | 
| 205 |  |  | <td width="97" valign="middle"><p>-</p></td> | 
| 206 |  |  | <td width="144" valign="middle"><p>R2</p></td> | 
| 207 |  |  | </tr> | 
| 208 |  |  | <tr> | 
| 209 |  |  | <td width="97" valign="middle"><p>ECCO-v4 </p></td> | 
| 210 |  |  | <td width="36" valign="middle"><p align="center">4</p></td> | 
| 211 |  |  | <td width="72" valign="middle"><p align="left">1992-2015</p></td> | 
| 212 |  |  | <td width="97" valign="middle"><p>N/A</p></td> | 
| 213 |  |  | <td width="36" valign="middle"><p align="center">N/A</p></td> | 
| 214 |  |  | <td width="97" valign="middle"><p align="center"><a href="http://mit.ecco-group.org/opendap/ecco_for_las/version_4/release2/profiles/contents.html" target="_blank">insitu profiles</a></p></td> | 
| 215 |  |  | <td width="97" valign="middle"><p>-</p></td> | 
| 216 |  |  | <td width="144" valign="middle"><p>R2 </p></td> | 
| 217 |  |  | </tr> | 
| 218 |  |  | <tr> | 
| 219 |  |  | <td width="97" valign="middle"><p>ECCO-v4 </p></td> | 
| 220 |  |  | <td width="36" valign="middle"><p align="center">4</p></td> | 
| 221 |  |  | <td width="72" valign="middle"><p align="left">1992-2015</p></td> | 
| 222 |  |  | <td width="97" valign="middle"><p>LLC90</p></td> | 
| 223 |  |  | <td width="36" valign="middle"><p align="center">50</p></td> | 
| 224 |  |  | <td width="97" valign="middle"><p align="center"><a href="http://mit.ecco-group.org/opendap/ecco_for_las/version_4/release2/input_ecco/contents.html" target="_blank">gridded observations</a></p></td> | 
| 225 |  |  | <td width="97" valign="middle"><p>-</p></td> | 
| 226 |  |  | <td width="144" valign="middle"><p>R2 </p></td> | 
| 227 |  |  | </tr> | 
| 228 |  |  | <tr> | 
| 229 |  |  | <td valign="middle" bgcolor="#F1F4F8">OCCA</td> | 
| 230 |  |  | <td valign="middle" bgcolor="#F1F4F8"><p align="center">3</p></td> | 
| 231 |  |  | <td valign="middle" bgcolor="#F1F4F8">2004-2006   </td> | 
| 232 |  |  | <td valign="middle" bgcolor="#F1F4F8">1 deg.</td> | 
| 233 |  |  | <td align="center" valign="middle" bgcolor="#F1F4F8">50</td> | 
| 234 |  |  | <td align="center" valign="middle" bgcolor="#F1F4F8"><a href="http://www.ecco-group.org/las/v6/dataset?catitem=605" target="_blank">N/A</a></td> | 
| 235 |  |  | <td valign="middle" bgcolor="#F1F4F8">adjoint</td> | 
| 236 |  |  | <td valign="middle" bgcolor="#F1F4F8">Atlas from annual solutions</td> | 
| 237 |  |  | </tr> | 
| 238 |  |  | <tr> | 
| 239 |  |  | <td valign="middle" width="97"><p>GECCO</p></td> | 
| 240 |  |  | <td valign="middle" width="36"><p align="center">-</p></td> | 
| 241 |  |  | <td valign="middle" width="72"><p align="left">1950-2000</p></td> | 
| 242 |  |  | <td valign="middle" width="97"><p>1 deg.</p></td> | 
| 243 |  |  | <td valign="middle" width="36"><p align="center">23</p></td> | 
| 244 |  |  | <td valign="middle" width="97"><p align="center"><a href="http://www.ecco-group.org/las/v6/dataset?catitem=546" target="_blank">23</a></p></td> | 
| 245 |  |  | <td valign="middle" width="97"><p>adjoint</p></td> | 
| 246 |  |  | <td valign="middle" width="144"><p> </p></td> | 
| 247 |  |  | </tr> | 
| 248 |  |  | <tr> | 
| 249 |  |  | <td width="97" valign="middle" bgcolor="#F1F4F8"><p>ECCO-JPL</p></td> | 
| 250 |  |  | <td width="36" valign="middle" bgcolor="#F1F4F8"><p align="center">-</p></td> | 
| 251 |  |  | <td width="72" valign="middle" bgcolor="#F1F4F8"><p align="left">1993-present</p></td> | 
| 252 |  |  | <td width="97" valign="middle" bgcolor="#F1F4F8"><p>0.3-1 deg. telescopic</p></td> | 
| 253 |  |  | <td width="36" valign="middle" bgcolor="#F1F4F8"><p align="center">46</p></td> | 
| 254 |  |  | <td width="97" valign="middle" bgcolor="#F1F4F8"><p align="center"><a href="http://ecco.jpl.nasa.gov/las/servlets/dataset" target="_blank">KF</a></p></td> | 
| 255 |  |  | <td width="97" valign="middle" bgcolor="#F1F4F8"><p>Kalman filter, RTS smoother</p></td> | 
| 256 |  |  | <td width="144" valign="middle" bgcolor="#F1F4F8"><p>Near real-time analysis</p></td> | 
| 257 |  |  | </tr> | 
| 258 |  |  | <tr> | 
| 259 |  |  | <td valign="middle" width="97"><p>ECCO2</p></td> | 
| 260 |  |  | <td valign="middle" width="36"><p align="center">-</p></td> | 
| 261 |  |  | <td valign="middle" width="72"><p align="left">1992-present</p></td> | 
| 262 |  |  | <td valign="middle" width="97"><p>Cubed-sphere (18 km)</p></td> | 
| 263 |  |  | <td valign="middle" width="36"><p align="center">50</p></td> | 
| 264 |  |  | <td valign="middle" width="97"><p align="center"><a href="http://ecco2.jpl.nasa.gov/products/" target="_blank">GF</a></p></td> | 
| 265 |  |  | <td valign="middle" width="97"><p>Green functions</p></td> | 
| 266 |  |  | <td valign="middle" width="144"><p> </p></td> | 
| 267 |  |  | </tr> | 
| 268 |  |  | <tr> | 
| 269 |  |  | <td width="97" valign="middle" bgcolor="#F1F4F8"><p>SOSE</p></td> | 
| 270 |  |  | <td width="36" valign="middle" bgcolor="#F1F4F8"><p align="center">3</p></td> | 
| 271 |  |  | <td width="72" valign="middle" bgcolor="#F1F4F8"><p align="left">2005-2010</p></td> | 
| 272 |  |  | <td width="97" valign="middle" bgcolor="#F1F4F8"><p>1/6 degree</p></td> | 
| 273 |  |  | <td width="36" valign="middle" bgcolor="#F1F4F8"><p align="center">42</p></td> | 
| 274 |  |  | <td width="97" valign="middle" bgcolor="#F1F4F8"><p align="center"><a href="http://sose.ucsd.edu/" target="_blank">100</a></p></td> | 
| 275 |  |  | <td width="97" valign="middle" bgcolor="#F1F4F8"><p>adjoint</p></td> | 
| 276 |  |  | <td width="144" valign="middle" bgcolor="#F1F4F8"><p>Southern Ocean only</p></td> | 
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