Medspiration â System Requirements Document - Data User Element
Medspiration â System Requirements Document - Data User Element
Medspiration â System Requirements Document - Data User Element
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<strong>Medspiration</strong><br />
MED-SOC-RS-001_1<br />
<strong>System</strong> <strong>Requirements</strong> <strong>Document</strong><br />
Issue F<br />
SR.L4A.0055/I The L4 processor shall provide a measure of diurnal variability of the skin<br />
deviation from SSTfnd within the data product time domain to accompany the SSTfnd<br />
estimate<br />
SR.L4A.0060/I The L2P data shall be selected/collated before the OI analysis<br />
The rules proposed for the collation of L2P data have to be more defined because they<br />
are completely correlated to the OI method. In particular, the rules proposed to collate the<br />
L2P data induce an averaging of them that is inconsistent with the formalism of the<br />
interpolation method. Consequently, the only collation possible will be into a 0.02° grid<br />
without any averaging. However, in most optimal analysis systems, the analysis itself will<br />
optimise the re-gridding of data although re-gridding prior to interpolation provides a more<br />
straightforward processing system (p 85 of the GDS, line410 of UR-IFREMER ).<br />
SR.L4A.0070/I The activation of the DV depends on the validation of the DV<br />
parameterisation in the Mediterranean sea that will be undertaken by the CNR team<br />
CNR will perform a study to verify the accuracy of the A Stuart-Menteth DV<br />
parameterisation in the Mediterranean sea. If results are satisfying, we will activate the<br />
DV parameterisation through the configuration file.<br />
SR.L4A.0080/I The L4A interpolation sub-module shall be based on the optimal<br />
interpolation scheme proposed by the GHRSST-PP (Reynolds et al., 2002, Guan and<br />
Kawamura, 2003)<br />
SR.L4A.0090/I OI scheme is expected to evolve as more experience is gained, therefore<br />
the L4 analysis system will be built in a modular manner<br />
SR.L4A.0095/I The regional parameters used by the OI scheme (correlation functions,<br />
spatial and temporal correlation radius) will come from the correlation study led by the<br />
CNR team in the frame of the <strong>Medspiration</strong> project.<br />
SR.L4A.0100/I The sub-module “products generation” will generate L4 SST fnd that<br />
contains SST fnd , 12 values of SST skin and associated errors. The SST skin values will be<br />
filled if the DV parameterisation is activated.<br />
© 2004 SOC Page 47 of 193
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