GDS-2.0 Breakout C Donlon & C. Gentemann GHRSST-X, Santa Rosa, Ca. USA, 1-5 th June 2009
Group for High Resolution Sea Surface Temperature Overview Aim and objectives for the session Review of current situation GDS-TAG ToR, membership etc. Review of GDS-2.0 Docs Assign activities and agree timeline for updates
Group for High Resolution Sea Surface Temperature Aim and objectives for the session Aim: –Define and Agree how to administer GDS-2.0 Objectives: –Review and discuss GDS 2.0 structure and documentation content –Reorganise GDS-TAG as required –Assign actions and agree timeline to complete GDS 2.0
Group for High Resolution Sea Surface Temperature GDS v2.0 GHRSST Operating Manual GHRSST Core Data Processing Specification Data Provider Interfaces GHRSST Users Manual GHRSST Scientific Library Operations Science & Engineering
Group for High Resolution Sea Surface Temperature GDS-v2.0 Rev 0.1 June 2008 Generate L2P data products (L2Pc -> L2P) Generate L4 analysed data products (e.g., SSTfnd) based on L2P data input. Satellite SST data Ingest & QC input data streams Auxiliary data Referenc e data fields Generate L3P data products Referenc e data fields Analysed L4 SST data products Rolling and long-term archive system Derive Single Sensor error statistics (SSES) Satellite and in situ MDB Single Sensor Error Statistics Generate MDB records MDB/SSES system MDB recor ds Diagnostics, metrics and GDS data product validation HR-DDS archive GDAC &RDAC L4 SST HR- DDS data granules L2P HR- DDS data granules Extract HR- DDS L2P granules User data access through LAS/DODS HR- DDS server Extract HR-DDS L4 SST granules HR-DDS system In situ data CDR SST data products Re-Analysis f L2P/L3P/L4 L3P SST data products Referenc e data fields L2P/L2Pc SST data products Metrics definition s GMPE SST ensemble products Generate GMPE products Referenc e data fields Main data flow HR-DDS data flow MDB/SSES data flow RAN data flow GMPE data flow Referenc e data fields Auxiliary data GMPE system RAN system
Group for High Resolution Sea Surface Temperature Donlon et al, 2007, BAMS, 88, 1197–1213.
Group for High Resolution Sea Surface Temperature GDS component management Each component needs to have: –Description of the component (purpose, role in R/GTS) (DES) –Dependency on other components (DEP) –Input & Output data definitions (IODD) –Interface control definitions (ICD) –Algorithms and Processing description (ATBD) –Appendices with codes and tables –Owner, contacts, revision procedures
Group for High Resolution Sea Surface Temperature GDS v2.0 GHRSST Operating Manual GHRSST Core Data Processing Specification Ancillary field descriptions CF conventions Instrument descriptions netCDF documentation GHRSST Code Tables SSES definitions Code to read GHRSST data MDB system description HR-DDS system description Discovery catalogue manual Data access systems (sFTP, OPeNDAP etc) Interface Control Doc (ICD) Feedback GHRSST requirements How to access data How to use data Code and technical support Data Provider Interfaces GHRSST Scientific Library GHRSST Users Manual L2P Specification L3P Specification L4Specification GMPE L4+ Specification HRDDS Specification MDB Specification GDMS Specification General Operations Incident procedures Change/release management Configuration management Problem management Review procedures Escalation procedures Operational event messages Dashboard and web portal GHRSST Metrics
Group for High Resolution Sea Surface Temperature GDS as a system The GDS is meant to describe a complete end to end system Anyone should be able to read the GDS and implement a component GDS Components include –Products (L2, L3 & L4) and user support tools (e.g read code) –LTSRF –GDAC –MMR –RDAC –MDB + SSES –HRDDS –GMPE –GDMS (GHRSST Dashboard and Monitoring System)
Group for High Resolution Sea Surface Temperature WE NEED OPERATIONAL MESSAGING (ERRLOG, OPLOG of GDSv1.0) Last LOG Last ERROR Contact GHRSST Operations Dashboard GDMS (GHRSST Dashboard and Monitoring System)
Group for High Resolution Sea Surface Temperature Products L2P (Swath native, netCDF) L3P (Gridded, netCDF) L4 (Analysed, netCDF) L4+ GMPE (Multiple analysed, netCDF) –Also suitable for RAN? HR-DDS (L3P subset?) MDB (specific, time/location aggregated?) MMR (Standards based ISO19115, ISPIRE, FGDC)
Group for High Resolution Sea Surface Temperature Interface Control Documents Data Provider -> RDAC RDAC -> GDAC GDAC -> LTSRF RDAC -> HRDDS RDAC -> MDB User -> RDAC -> GDAC -> LTSRF -> HRDDS -> MDB
Group for High Resolution Sea Surface Temperature Format and structure Break into small working groups in the GDS-2.0 breakout focussed on GDS 2.0 Documents –GDS2.0 Overview Document (New Document) –GDS 2.0 Conventions document (Filenames, Tables Reference data sets) –L2P Specification –L3P Specification –L4 Specification –GDS2.0 management process (New Document: revision, and release management) Please review and mark up the documents from the web –Develop a table of contents, headings and sections for new docs Develop a release plan and schedule for the near future (EUMETSAT, ESA and JAXA are waiting now to implement…)
Group for High Resolution Sea Surface Temperature Break into small working groups in the GDS-2.0 breakout focussed on GDS 2.0 Documents –GDS2.0 Overview Document (New Document) Ian Robinson –GDS 2.0 Conventions document (Filenames, Tables Reference data sets) Ken Casey –L2P Specification Craig Donlon –L3P Specification P. LeBorgne/H Roquet –L4 Specification Chelle Gentemann –GDS2.0 management process (New Document: revision, and release management) Nigel Houghton –User Manual Jorge Vazquez