GSC Sentinel-2 PDGS OCD - Emits - ESA

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GSC Sentinel-2 PDGS OCD Issue 1 Revision 2 (draft) - 25.07.2010 GMES-GSEG-EOPG-TN-09-0008 page 310 of 350 ○ Data processing and archiving activities providing the detailed timeline of all productions performed; ○ The summary quality of every product at all levels, providing e.g. visibility over the missing lines and the products with degraded quality; ○ Data circulation activities between centres providing the availability timelines in every centre archive; ○ Simple or complex correlations between the above to highlighting malfunctions or system bottlenecks. 6.16.6.2 Automated Monitoring & Reporting This scenario stands for the autonomous generation of user friendly well-formatted reports covering configurable periods over the mission database and summarising the PDGS performed activities and potential anomalies raised in the various elaboration areas including: ○ Planning Performance This check aims at monitoring the performance of the mission planning chain. Accordingly it compares the MSI requested activities for observation and calibration contained in the mission plan generated by the PDGS wrt the scheduled activities by the FOS. In addition it performs statistics on the effective revisit over the planned areas with respect to the HLOP. ○ Acquisition Performance This check aims to measure Sentinel-2 PDGS X-band acquisition chain performance. This is to check X-band acquisition stations performance comparing scheduled downlink data window and real acquired data. This check will provide a view of the X- band acquisition stations performance and highlight missing downlinked data window. ○ Production Performance This check aims to detect gaps in the PDGS production chain and highlight potential anomalies in any of the processors. A comparison between expected and obtained production timeline will be done for each of the PDGS processors (L0, L1A, L1B, L1C, TCI) to raise any gaps in the production. Production gaps might be produced due to different reasons likely problems in the processors, bad input data (quality), missing mandatory inputs, etc. One by one production level timelines will be performed to get measurements on the overall PDGS and each data centre achieved production for a given time period (e.g. L0 – 99%, L1A – 98%, L1B – 60%, etc.). In addition, the MPA function verifies the effective cloud-free production achieved over the planned areas with respect to the HLOP. ○ Data Circulation Performance This check aims to monitor data circulation of key data (e.g. orbit data, payload parameters, auxiliary data, etc.) among the PDGS centres. This is to monitor when the data is available at the source, and when it has been gathered by the different PDGS ESA UNCLASSIFIED – For Official Use © ESA The copyright of this document is the property of ESA. It is supplied in confidence and shall not be reproduced, copied or communicated to any third party without written permission from ESA.
ESA UNCLASSIFIED – For Official Use GSC Sentinel-2 PDGS OCD Issue 1 Revision 2 (draft) - 25.07.2010 GMES-GSEG-EOPG-TN-09-0008 page 311 of 350 centres using it. In consequence, it will be also checked that all PDGS centres are using same set of reference mission data. ○ Archive Performance This check aims to monitor that all generated production is properly archived within the PDGS. PDGS generation reports and archive reports will be cross-checked to detect any inconsistency and highlight any missing product in the PDGS archive. ○ Data Accessibility Performance This check aims to monitor the PDGS Data accessibility performance. The PDGS will verify that all archived products are available to the users through the Data Access function. This is mainly a cross-check comparison between the PDGS archive inventory with the data collections catalogue available to the users. Typical access statistics are generated (typically on a monthly basis) per data type and provides comprehensive statistics qualified by user base origin, sentinel-2 spacecraft, geographical zone (e.g. continents), data-age, retrieval latency, etc as appropriate and providing compound figures on the volumes downloaded (supported by the MMUS datawarehouse capabilities). ○ End-to-End Performance This check aims at measure the PDGS end-to-end performance providing a complete and comprehensive view at system level over the global production and detected malfunctions. The reports can be generated automatically according to a defined schedule (e.g. daily, monthly) or on-demand by the MPA operator. The MPA reports are systematically used to summarise the end-to-end mission performance over all the PDGS subsystems. They are provided routinely to the POM for assessment as part of nominal reporting (cf. mission support services defined in section 4.10.3.2). 6.16.6.3 Service Performance Reports to the CDS/CQC This scenario stands for the autonomous generation and supply of the Service Performance Reports to the CDS/CQC as defined in section 4.10.1.4. 6.17 Monitoring & Control (M&C) Operations 6.17.1 PRINCIPLES 6.17.1.1 M&C Centre Scope The PDGS Monitoring & Control function will be responsible for ensuring that all the available resources (i.e. hardware, software and network) required by the PDGS for its nominal operations are available, ready and running under the expected conditions. The Monitoring & Control function will allow detecting anomalies that may involve working on problems in the functional chain or help finding the cause of any malfunction of any PDGS function. © ESA The copyright of this document is the property of ESA. It is supplied in confidence and shall not be reproduced, copied or communicated to any third party without written permission from ESA.
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[RD-33] Sentinel-2 MSI - Level 2A A
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LES LGS Land Equipped Sites Local G
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3.5.2 MULTI-SPECTRAL INSTRUMENT CHA
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Table 4-5 Radiometric image quality
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4.6.3 OPERATIONAL TRANSFER BASELINE
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Product- Type Identifier S2MSI0 S2M
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5 PDGS DESIGN GSC Sentinel-2 PDGS O
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○ Effective processing resources
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o preserving integrity of exchanged
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6 DETAILED OPERATIONS CONCEPTS GSC
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o Report generation frequency and c
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○ MSI L1A, L1B, L1C and TCI produ
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GSC Sentinel-2 PDGS OCD - Emits - ESA

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