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 SR entry spatial and temporal resolution etc.) 20 GDS-021 (d) An initial Global analysis system at the GHRSST-PP GDAC, NASR 20 GDS-022 (e) An initial implementation of the GHRSST-PP High Resolution Diagnostic Data Set (HR-DDS) system and, SYS.2080 SYS.2081 SYS.2082 20 GDS-023 (f) A suite of initial test data products to be available to selected users at each RDAC and GDAC by mid 2004. CFI.SYS.0010 20 GDS-024 The GDS is split into several work package (WP) sections that are supported by extensive technical Appendices. This NASR format provides a framework that preserves the readability of the processing specification while providing extensive technical references that can be easily maintained and updates without affecting the overall structure of the GDS. While the interface parameters for each work package will remain relatively static, considerable flexibility within a WP is maintained by this type of approach. Work packages develop a modular approach with clearly defined input and output parameters that greatly assist in the development of large multiinstitute/ national projects such as the GHRSST-PP. 20 Document Scope 20 GDS-025 This document is the GDS version 1 which is based on the First Report of the GHRSST-PP In situ and Satellite Data NASR Integration Technical Advisory Group (ISDI-TAG, Wick et al, 2002) and many subsequent discussions at the Third GHRSST-PP Workshop, held at ESA/ESRIN, Frascati, Italy in December 2002 (Donlon, 2003b) and further refined at the 4th GHRSST-PP Science Team Meeting, Los Angeles, USA in September 2003. It represents a consensus opinion of the GHRSST-PP community of how to pursue the optimal combination of satellite and in situ data streams within a globally distributed operational system to provide a new generation of global coverage SST data products. Much of the document is dedicated to issues of data exchange, management and operational considerations. For certain international groups (particularly the European Medspiration project), it provides a reference baseline that will be implemented and innovated by their project. © 2004 SOC Page 116 of 193
Medspiration MED-SOC-RS-001_1 System Requirements Document Issue F Page Table, fig. Reference ID Text from reference documents 20 GDS-026 The GDS will evolve as each of the GHRSST-PP RDAC projects gain experience and knowledge throughout the Pilot SR entry NASR Project and a significant scientific upgrade of the processor is foreseen following the successful commission of the v1.0 GDS. This is thus a working document written primarily for the RDAC and GDAC teams as they physically realise, develop and, refine the GHRSST-PP demonstration system. The document content will be constantly modified as initial approaches are tried and refined by the RDAC teams. But, in order to maintain consistency with funding agencies, published releases of the GDS will occur at regular intervals and represent reference baselines. 21 7 GDS-027 These will carry an integer revision number (e.g., GDS-v1.0, GDS-v2.0 etc). As such, each may be considered a technical NASR reference manual for the GHRSST-PP for a given time window based on the best current knowledge of the GHRSST-PP community, the Science Team, data providers and RDAC/GDAC projects. The GDS will be modified, refined and updated and published electronically on a regular basis by the GHRSST-PP International Project Office (GHRSST-PO) as RDAC projects implement the GDS. 23 2 Notations, conventions and definitions used by the GDS. 23 GDS-028 The following sections describe the notations and conventions that are used throughout the GDS documentation. RDAC SYS.0020 and GDAC implementation projects are expected to adhere to the nomenclature and style of the GDS in their own documentation as much as possible. This will greatly facilitate exchange of documentation between each centre. 23 2.1 Flow diagram symbols GDS-029 Table 2.1.1 Symbols used in GDS flow and functional breakdown diagrams SYS.0020 2.2 Definition of data processing levels GDS-030 The GDS uses the definitions provided in Table 2.2.1 when referring to data processing levels SYS.0020 2.3 GDS data processing window specifications 24 GDS-031 GDS data analysis processing activities are linked to Analysed Product Processing Window (APPW) periods within a 24 L4A.0020 hour period that are defined in Table 2.3.1. A cutoff time (Ω) must be specified after which L2P data are no longer eligible © 2004 SOC Page 117 of 193
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Medspiration â System Requirements Document - Data User Element