ࡱ> SUR "bjbj :>`'^^33338k,<3o- "- 9-------/02-A AE- 4)- I- A- *h+ȏG30+H~,?-0o-x+3 3 + +b,AAA^ :    WORLD METEOROLOGICAL ORGANIZATION _______________________________________  INTERGOVERNMENTAL OCEANOGRAPHIC COMMISSION (OF UNESCO) _______________________________________ JOINT WMO/IOC TECHNICAL COMMISSION FOR OCEANOGRAPHY AND MARINE METEOROLOGY (JCOMM) MANAGEMENT COMMITTEE TENTH SESSION PARIS, FRANCE, 7 TO 10 MAY 2013MAN-10/3.2.6 Submitted by: Clark and Iona Date: 02.05.2013 Original Language: ENGLISH Agenda Item: 3.2.6 Status: DRAFT 1 Access routes to data Summary and Purpose of Document This document presents a proposed OPA and DMPA activity to map and assess the present data management architecture for flow of data from global in situ observing networks coordinated through the Observations Coordination Group to users. This assessment would be done in cooperation with IODE by a contractor, and in consultation with user communities. The assessment would provide recommendations to JCOMM and others for improvements. ACTION PROPOSED The Group is invited to: note the information contained in this document as appropriate; provide advice on how the proposed assessment could be improved to meet JCOMM objectives; and accept the proposal to proceed with the assessment. ______________________ DISCUSSION Background The JCOMM Observations Programme Area (OPA) coordinates in situ ocean observing networks from DBCP (surface drifters and moorings), SOT (volunteer ship observations of marine meteorology and oceanographic properties), GLOSS (tide gauges); and cooperates with Argo (profiling floats), OceanSITES (time series stations), IOCCP (ocean carbon observations), GOSUD (surface temperature, salinity and other data), and GO-SHIP (repeated hydrographic sections). Many of these data are contributed through real-time ocean data systems (those reporting in time frames of hours to days). In addition, there are other collectors of in situ data, such as scientists executing their own research programmes, commercial operators of ships, etc. who contribute other kinds of data than those represented above (such as ADCP). Some are contributed in real-time and others in delayed mode (longer than the time definition of real-time). Many of these data appear in the data systems coordinated by IODE, a programme of IOC which is a co-sponsor of JCOMM. The real-time data are used in service-oriented programmes, such as models of ocean and atmosphere processes, assimilation, calibration/validation with satellite data, NWP, and other uses. Other scientists use both real-time and delayed mode data in their research. Beyond these communities, there are others, such as in the engineering industry, shipping, and graduates and undergraduates at academic institutions who have uses for ocean data, but are either not aware of the data collected, or unable to access the data in convenient ways. All of these groups have different requirements for data quality, timeliness, delivery mechanisms, and perhaps others. JCOMM-4 (2012) asked the Observations Programme Area (OPA), in cooperation with the Data Management Programme Area (DMPA), to "promote the establishment and publication of access routes to the authoritative data sets for the observing system elements under its coordination." The GOOS Steering Committee (GOOS-SC-1, 2012) identified in its work plan analyzing... the challenge of data interoperabilityas a first step towards developing actions. Objectives In order to address these issues, the OPA and DMPA coordinators propose that a contractor be engaged (using NOAA funds) to assess the data architecture and make recommendations for action by JCOMM, GOOS, and IODE. The contractor will work with individuals of in situ network panels and others, to report on and assess the present observing network data management arrangements, and suggest actions to JCOMM, GOOS and IODE to meet the general goal statements made by JCOMM-4 (2012) and the GOOS-SC (2012) for an interoperable system that provides an accessible flow of data from collection to climate archives and thence to users. Based on the reporting and assessment, recommendations of actions to improve operations will be made, taking into account existing community data system initiatives (e.g., WMO Information System, the GEOSS Common Infrastructure, the Ocean Data Portal). JCOMM and GOOS and their partners in sustained observation of the ocean seek a data system that will have: well-defined tools for real-time data collection, calibration and transmission protocols and tools for monitoring network health, and clearly defined and working data flow arrangements, with defined responsibilities for managing real-time streams, quality control, metadata collection and flow to oceanographic services, defined responsibilities for data (both in real-time and delayed mode) flow to climate quality archives, defined responsibilities for making data discoverable and available in an interoperable way across observing networks. Work Plan Actions and Responsibilities The prime focus of the work will be on real-time data systems coordinated by The Observations Programme Area of JCOMM and related programmes. However, since data in both real-time and delayed mode contribute to climate archives, some consideration must be paid to other contributions from internationally governed as well as disparate ocean data collection programmes. The work will consider the degree of accessibility of data and recognize constraints there may be on access. Work will include: provide a list of attributes, based on data management presentations made at OceanObs'09, and use this as a performance yardstick for each data system considered; provide greater precision to the general statements of objectives made by JCOMM and GOOS to ensure clarity on what the contractor will be undertaking; describe a sampling of other communities with ocean data usage interests and suggest actions to take to broaden their use of ocean data. The result will report on, assess the state of, and offer recommendations for improvements to: network data flow monitoring; authoritative data flow arrangements for each in situ observing network cooperating with JCOMM/GOOS as well as present a view of the data flow from the perspective of ocean ECVs; identification, documentation, and use of best practices; standardization of data management operations and technologies that promote interoperability of datasets for users in the relevant scientific, modelling, and services communities, including through consultation with these communities (JCOMM ET-OOFS and GODAE OceanView, CLIVAR GSOP, JCOMM TT-MCDS, JCOMM ETDMP, ... ) The initial list of data systems under consideration is itemized above as those part of or cooperating with the OPA.     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