Medspiration â System Requirements Document - Data User Element

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Medspiration MED-SOC-RS-001_1 System Requirements Document Issue F Page Table, fig. Reference ID Text from reference documents the GHRSST-PP MMR system as soon as possible. SR entry CTR.0550 CTR.0580 45 WP2-014 As the GHRSST-PP intends to generate global 1/12° L4 analysed SST data output from L2P data, high resolution ) input L2P.0090 data sets may be averaged to a coarser resolution no greater than 1/12° in order to reduce data volume. It should be stressed that this is highly undesirable as it will impact the usefulness of L2P data sets within the coastal zone where 1km data may already be too coarse in certain areas characterised by dynamic temperature structures. 45 WP2-015 GHRSST-PP High Resolution Diagnostic Data Set (HR-DDS) granules are extracted from L2P data, formatted and DDS.0030 delivered to the GHRSST-PP HR-DDS system. 45 WP2-016 If satellite SST data are unsuitable for further use in the GDS then a message is sent to the data provider and to the GHRSST-PP ERRLOG log (errlog@ghrsst-pp.org) informing why these data have not been used. ING.0100 QLC.0035 46 Inputs: 46 WP2-017 1. Infrared and Microwave satellite SST data streams. L2P.0010 46 WP2-018 2. Auxiliary satellite and NWP data streams. L2P.0010 46 WP2-019 3. Reference data streams. 46 WP2-020 4. GDS L2P configuration files. QLC.0020 46 WP2-021 5. Error checking rules. QLC.0020 46 Outputs: 46 WP2-022 1. GHRSST-PP L2P data files. L2P.0070 46 WP2-023 2. L2P MMR_FR metadata record. IMG.0030 46 WP2-024 3. Error message sent to data provider and to the GHRSST-PP ERRLOG log (errlog@ghrsst-pp.org) as required. IMG.0100 46 WP2-025 4. HR-DDS data granules extracted from L2P data. DDS.030 46 Acceptance tests: © 2004 SOC Page 134 of 193
Medspiration MED-SOC-RS-001_1 System Requirements Document Issue F Page Table, fig. Reference ID Text from reference documents 46 WP2-026 1. L2P output data products based on the GDS test input data set produced at each RDAC and GDAC should be SR entry ATPD identical to those produced by the GDS reference data processor. 46 WP2-027 2. L2P measurement data are identical to the input SST data but with additional error and QC). ATPD 46 WP2-028 3. HR-DDS data extraction is correct and data delivery interface is functional. ATPD 46 WP2-029 4. Gross error checking procedures successfully flag unsuitable data and admit useful data with minimal data loss. ATPD 46 WP2-030 5. Error messages to data provider and ERRLOG are correct and promptly delivered. ATPD 46 WP2-031 6. MMR_FR metadata records are submitted in a timely manner. ATPD 46 WP2-032 7. MMR_FR metadata records are accurate. ATPD 46 Metric for performance assessment: 46 WP2-033 1. L2P data files are correctly formatted. ATPD 46 WP2-034 2. L2P data are produced in a timely manner (ideally within 6 hours from reception at satellite platform). ATPD 46 WP2-035 3. L2P MMR_FR metadata records provided and ingested at MMR in real time. MMR rejection rate < 2%. ATPD CTR.0130 46 WP2-036 4. Data provider promptly notified in case of problems with data stream. ATPD 46 WP2-037 5. HR-DDS L2P extraction and format is correct. ATPD 46 WP2-038 6. ERRLOG messages are correct and only reject problematic data. ATPD 46 WP2-039 The purpose of this work package is to derive Level-2 Pre processed GHRSST-PP data files (L2P) through a process of NASR quality control and data merging. The principles for setting the quality flags and pre-processing algorithms for assigning quality flags are outlined in this section. 46 WP2-040 The L2P processor identifies and flags problematic satellite SST data at an early stage of the GDS processing chain NASR leaving as much time as possible to correct faults and make use of the erroneous data later on in the processing system. 46 WP2-041 The main difference between the input SST data file and the output L2P data file is that additional confidence data and L2P.0040 © 2004 SOC Page 135 of 193
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Medspiration â System Requirements Document - Data User Element

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Medspiration â System Requirements Document - Data User Element