ࡱ> ')$%&q |bjbjt+t+ AA y] T n < YZ Z L  YYYYYYY$y[m]Y Y Z   Y YZT Y NcG) jl`Y< JCOMM DATA MANAGEMENT PROGRAMME AREA COORDINATION GROUP (DMCG) First Session Paris, France, 22-25 May 2002 SUMMARY REPORT JCOMM Meeting Report No. 17 WORLD METEOROLOGICAL ORGANIZATION _____________INTERGOVERNMENTAL OCEANOGRAPHIC COMMISSION (OF UNESCO) ___________ JCOMM DATA MANAGEMENT PROGRAMME AREA COORDINATION GROUP (DMCG) First Session Paris, France, 22-25 May 2002 SUMMARY REPORT JCOMM Meeting Report No. 17 N O T E The designations employed and the presentation of material in this publication do not imply the expression of any opinion whatsoever on the part of the Secretariats of the Intergovernmental Oceanographic Commission (of UNESCO), and the World Meteorological Organization concerning the legal status of any country, territory, city or area, or of its authorities, or concerning the delimitation of its frontiers or boundaries. TABLE OF CONTENTS SUMMARY REPORT page1.ORGANIZATION OF THE SESSION 1.1 OPENING OF THE SESSION 1.2 ADOPTION OF THE AGENDA 1.3 WORKING ARRANGEMENTS  1 1 12.REVIEW OF JCOMM DECISIONS AND PLANS RELEVANT TO THE WORK OF THE DMPA 13.REVIEW OF EXISTING AND PLANNED DATA MANAGEMENT MECHANISMS AND PRACTICES 3.1 MARINE CLIMATOLOGICAL SUMMARIES SCHEME (MCSS) 3.2 SPECIALIZED OCEANOGRAPHIC CENTRES (SOCS) 3.3 GLOBAL TEMPERATURE AND SALINITY PROFILE PROGRAMME (GTSPP) 3.4 PILOT PROJECT ON SURFACE SALINITY DATA MANAGEMENT 3.5 ARGO DATA MANAGEMENT 3.6 USE OF NEW TECHNIQUES FOR REAL-TIME DATA EXCHANGE 3.7 FUTURE WMO INFORMATION SYSTEM 3.8 OTHERS 3.8.1 The Global Observing System Information Centre (GOSIC) 3.8.2 An Ocean Information Technology (OIT) project 3.8.3 Sea ice data management  4 6 6 7 7 8 8 8 104.REQUIREMENTS FOR END-TO-END DATA MANAGEMENT 4.1 GCOS AND MMS REQUIREMENTS 4.2 OTHER GOOS REQUIREMENTS 4.3 REQUIREMENTS FOR DATA ENCODING AND RELATED ISSUES 4.4 METADATA EXCHANGE 4.4.1 Metadata management systems 4.4.2 Marine XML 4.5 MONITORING DATA AND INFORMATION FLOW AND QUALITY 4.6 JCOMM STRATEGY FOR END-TO-END DATA MANAGEMENT  10 11 12 12 13 14 145.MATTERS FOR URGENT ACTION 5.1 ODAS METADATA 5.1.1 Format review by IODE 5.1.2 The ODAS metadata centre 5.2 JCOMM AND THE INTER-PROGRAMME TASK TEAM ON FUTURE WMO INFORMATION SYSTEMS 5.3 CCl REVISED GUIDE TO CLIMATOLOGICAL PRACTICES  15 15 16 166.OTHER BUSINESS 6.1 EXISTING OCEANOGRAPHIC AND MARINE METEOROLOGICAL DATA HOLDINGS 6.2 INTERNATIONAL WORKSHOP ON ADVANCES IN MARINE CLIMATOLOGY  16 177.FUTURE WORK PROGRAMME 188.DATA AND PLACE OF NEXT SESSION 189.CLOSURE OF THE SESSION 18 ANNEXES IList of participants IIAgenda IIISummary Report on the Results of JCOMM-I IVTentative Work Strategy for JCOMM DMPA VVision of the Future WMO Information System VIGCOS & MMS data requirements VIIDMPA workplan VIIIAction sheet on the decisions of DMCG-I IXList of acronyms & other abbreviations  ORGANIZATION OF THE SESSION OPENING OF THE SESSION The first session of the JCOMM Data Management Coordination Group (DMCG) of the Joint WMO-IOC Technical Commission for Oceanography and Marine Meteorology (JCOMM) was opened by the group chairperson, Prof Shaohua Lin, on 22 May 2002 at 09.30 at UNESCO headquarters in Paris. Prof. Lin welcomed the participants in the meeting and called Mr Yves Trglos, of the joint JCOMM Secretariat, to address the meeting. On behalf of the Executive Secretary IOC, Dr Patricio Bernal, and the Secretary-General of WMO, Prof Godwin Obasi, Mr Trglos welcomed the participants to the meeting, to UNESCO and to Paris. In so doing, Mr Trglos emphasized that, since its inception, JCOMM had always stressed that an end-to-end integrated data management system is central to any observational programme. Every subsequent JCOMM meetings, as well as most science planning meetings, national or international, have identified integrated data management as an area requiring considerable planning and effort. One of the key objectives of the present session of the Data Management Coordination Group was therefore to develop a strategy and pilot projects to facilitate the implementation of JCOMM observational programmes as fully integrated end-to-end systems. He concluded by assuring the participants full and ongoing support of the JCOMM Secretariat, both during the present meeting and throughout the intersessional period. He then wished participants a very successful meeting, and an enjoyable stay in Paris. The list of participants is attached as Annex I Adoption of the agenda The group adopted the agenda for the session on as given in Annex II. working arrangements The group agreed its hours of work and other practical session arrangements. The Secretariat introduced the documentation for the session. review of jcomm decisions and plans relevant to the work of the dmpa Report of the Secretariat The group recalled that JCOMM was formally established in 1999 by the thirteenth World Meteorological Congress and the twentieth session of the IOC Assembly, through a merger of the WMO Commission for Marine Meteorology (CMM) and the Joint IOC/WMO Committee for IGOSS. JCOMM is the reporting and coordinating mechanism for all operational marine activities in both WMO and IOC. As such, it is charged with the international coordination, regulation and management of an integrated, operational, marine observing, data management and services system which will eventually become the ocean equivalent of the World Weather Watch. The first session of JCOMM took place in Akureyri, Iceland, from 19 to 29 June 2001. The session was attended by 113 participants from 42 Members/Member States and 11 international organizations. A summary of the main results of the session of relevance to the DMPA is given in Annex III. The group was informed that the JCOMM Management Committee had held its first session (MAN-I) in Geneva from 6-9 February 2002. Among the many issues addressed, those of interest to the DMCG included: A thorough review of the Programme Area work plans and implementation strategies; The appointment of Prof. Lin Shaohua as Data Management Programme Area Coordinator, as a replacement of Dr Wang Hong; The appointment of Dr Hiroshi Kawamura as satellite rapporteur and Dr Tony Knapp, co-chair of the GOOS Coastal Ocean Observations Panel (COOP) as rapporteur on non-physical variables and JCOMM; A decision that stronger emphasis should be placed in the DMCG Work Programme on the development of a JCOMM Data Management Strategy A recommendation that a Draft Resolution be prepared for the next session for IOC EC calling for the development of an IOC integrated data management strategy. Development of an information sheet for JCOMM, containing the vision and key elements of JCOMM and its Programme Areas, which might also eventually form the basis for a JCOMM promotional brochure. The group noted all these developments with interest, and agreed that they provided an appropriate framework and overall objectives for its own work, both during the present session and in the future. The group further noted with appreciation the various actions taken by the JCOMM Secretariat in support of the Commission, and in particular the Data Management Programme Area, since JCOMM-I. Members of the group were urged to: Visit the UN Atlas of the Oceans (http://www.oceansatlas.org/) once it was formally opened to the public on 5 June 2002, and offer comments and suggestions as appropriate regarding its enhancement within the context of JCOMM and its work; Also visit the new JCOMM web portal currently being hosted by IOC (http://www.jcomm.net/), provide comments and suggestions as appropriate, and also make use of the portal as a means for information exchange in support of JCOMM; Provide the Secretariat with suggestions regarding a JCOMM logo. (Action: group members and Secretariat; deadline: as soon as possible) Actions for the Data Management Coordination Group coming from other JCOMM Programme Areas The group noted that the following actions for the DMCG had come from he first session of the Ship Observations Team (SOT-I) (Goa, India, February- March 2002) and the first session of the Observations Coordination Group (OCG-I) (La Jolla, USA, April 2002). The proposed actions are discussed in detail under the relevant agenda items. SOT-I 1. Address the question of data quality documentation and assurance, together with the Observations Coordination Group; 2. Review all existing data management plans regarding ship data, and if possible suggest ways of integrating these; 3. Initiate discussion on how to manage non-physical data, such as pCO2, which will eventually be available from VOS, as well as work on entraining the large numbers of existing data centres dealing with ship data into the JCOMM process. OCG-I 1. Together with OPA component team chairs, address the overall observational data requirements, once these data requirements have been reviewed and updated; 2. Facilitate distribution of wave and related data on the GTS and address issues relating to codes and formats; 3. Collaborate with the JCOMMOPS Coordinator in further developing the JCOMMOPS with regard to data buoys and the VOS. The group agreed that these requirements coming from other Programme Areas, as well as action items addressed from JCOMM-I, should be reflected in work plans for the group and the two Expert Teams. JCOMMOPS The group was presented with a brief report on JCOMMOPS (more information at the URL http://www.jcommops.org/). The group agreed that JCOMMOPS had a potentially very valuable role to play in the JCOMM integration process, in providing a single source of integrated information on the status of the overall system. JCOMMOPS could also act as a single portal to a range of distributed information and data centres related to SOT, such as the VOSClim Data Assembly Centre (DAC) and the WMO ship catalogue. The group noted with interest that the JCOMM Ship Observations Team, at its first session (SOT-I) (Goa, India, February-March 2002), established a small Task Team on JCOMMOPS to develop an implementation plan for the Centre and that this plan should eventually be reviewed by the JCOMM Management Committee at its second session in early 2003. The group recognized that while JCOMMOPS supported observation programmes, it could also play an important role in JCOMM Data Management Programme Area through its activities, including data monitoring support. It therefore agreed that the Data Management Coordination Group should be involved in the review of the planned development of JCOMMOPS (Action: chairs of DMCG, ETDMP and ETMC; deadline: as needed). In doing so, the group noted that while the support provided by JCOMMOPS as a data monitoring system was basically on a real-time data basis; since a number of data are managed on a delayed mode basis, the relationship between JCOMMOPS and IODE should also be taken into consideration in the review process of the future development of JCOMMOPS. Terms of reference The group reviewed the terms of reference of the DMCG and the two Expert Teams of the DMPA as adopted by JCOMM-I. It noted that JCOMM-I also designated most members of those bodies, with the exception of the Expert Team on Data Management Practices. As the terms of reference of the Expert Team on Data Management Practices were quite different from those of the Expert Team on Ocean Data Management which was proposed prior to the session, JCOMM-I decided that the nomination of potential members of the ETDMP should once more be invited. Based on the nominations by Members/Member States, MAN-I appointed eight out of nine members of this team. MAN-I further agreed that the remaining member should be someone with broad science expertise, preferably in a non-physical marine science, a keen interest in data management, and with strong on-going contacts with the scientific community. That position has not yet been filled. To facilitate this appointment, members of the group was requested to nominate candidates for this position and to submit their CVs, as well as a confirmation of willingness to serve, to the Secretariat by the end of June. The group noted the importance of cross-cutting expertise for the vacant position and that membership of the IODE Group of Experts on Biological and Chemical Data Management and Exchange Practices (GE-BCDMEP) could be used as a source to consider such nominations. The list of candidates would then be circulated to the Management Committee members for review and eventual decision regarding an appointment. International Oceanographic Data and Information Exchange (IODE) In this context, the group recalled that the IOC Committee on International Oceanographic Data and Information Exchange (IODE) had established a Steering Group on End-to-End Data Management Systems, which was tasked to develop "end-to-end data management systems for the collection and management of data sets required to support the variety of requirements including the Global Ocean Observing System". The Steering Group had not been activated as yet. Given the similarity of the terms of reference of that Steering Group and those of the JCOMM Expert Team on Data Management Practices, the group recommended that IODE be invited to co-sponsor the latter instead of establishing and activating a new body (action: Management Committee for approval, then joint Secretariat; deadline: next IODE session). Work plans: Report of the chairs The group noted with appreciation a report by Prof. Shaohua Lin, chairperson of the group, on her activities in support of the work of the group and of the implementation of the Data Management Programme Area work plan generally. This report specifically addressed the priority issues to be covered during the present session. A summary of this report is given in Annex IV. Dr. Miroslaw Mietus, chair of the ETMC, informed the group that a detailed work plan for his team was drafted and circulated among the members of the team. A revised version was presently being developed and the team would start actions based on the work plan. He stressed that identifying concrete action items was important to implement tasks addressed to the team. The group noted that it is important that the ETMC should cooperate with the ETDMP. Dr. Nikolai Mikhailov, chair of the ETDMP, informed the group that he had developed a short-term work plan for his team, which was presented to MAN-I. However, concrete work had not yet started. Dr Mikhailov emphasised that the DMCG should provide a vision of and framework for the integrated end-to-end data management process of JCOMM, based on which detailed actions of the ETDMP could be developed. The group agreed that the development of guidance to end-to-end data management was a real challenge and one of the most demanding tasks for the DMCG. In this regard, the group noted that MAN-I had decided to prepare a concise summary document of the vision and strategy for JCOMM (see paragraph 8 (vi) above), as a first step in addressing integration and cross-cutting issues, and in developing an overall strategic plan for JCOMM. The summary concerning the Data Management Programme Area was in the process of being prepared by the DMPA Coordinator. At the same time, the group noted that the development of concrete work plans including concrete action items and target were also important to implement tasks in the DMPA. The group noted some of the action items included in the work plans by JCOMM-I had already been completed and/or well addressed. It agreed that a revised version of detailed work plans should be made based on actions taken and outcomes of this meeting (see agenda item 7). REVIEW OF EXISTING and planned DATA MANAGEMENT MECHANISMS AND PRACTICES marine climatological summaries scheme (mcss) The group noted with interest and appreciation the report on the history and developments of the Marine Climatological Summaries Scheme (MCSS) presented by the chair ETMC. It agreed that the data collected under the MCSS have proven invaluable over the years. In addition to operational meteorology and services for marine users, the data are used in global climate studies and in calibrating algorithms used for sea surface temperature and other measurements from satellites. Detailed activities within the current MCSS were also reported. The group noted that there was increasing interest in global marine climatological data due to global warming and intensification of investigations concerning the role of the ocean in global processes. Intensification of efforts to digitize marine meteorological observations made before 1960 was highly recommended by the marine climatological research community, while the accompanying metadata also represented an important issue. The roles of national services operating VOS (Contributing Members), of the Global Collecting Centres (GCCs) and of the Responsible Members were highlighted with regard to data management. The group stressed that the accuracy of data was of primary importance for the MCSS and scientific research. It was important that marine climatological data were quality controlled before they were exchanged. To ensure the quality of the marine climatological database, Contributing Members applied Minimum Quality Control Standards before dispatching data to GCCs. The group was informed on the activity of GCCs operated by Germany and U.K. for the MCSS during the last eight years, since their implementation in 1994. Data from Contributing Members were submitted every month, and were dispatched quarterly to the Responsible Members, once their quality had been checked. Details of GCCs activity were presented on the basis of their annual report within year 2001. The group agreed that MCSS is an important and highly developed system of marine meteorological data management with a distributed structure. However, there is a lack of a so called route map for users looking for data and assistance. This element was considered as very important and to be implemented as soon as possible (action: ETMC; deadline: as soon as posiible). The group noted that, according to a survey by the GCC of Germany, a large number of ship observations were exchanged only either on a real-time basis (GTS) or on a delayed mode basis (logbooks), while overlap of the whole data set is of about 40%. It noted that assembling both real-time and delayed mode data should be part of the end-to-end data management system to be developed by the DMPA. The group recommended that ETMC investigate the feasibility of including both real-time and delayed-mode data, taking into account of the possible difference in data quality between these two data streams (action: ETMC; deadline: as soon as possible). The group noted that the terms of reference of the ETMC necessitated other actions in addition to those related to the MCSS, and in particular requested it to investigate the feasibility of including oceanographic climatology into its work plan. (action: ETMC; deadline: continuous). VOSClim data management The group was briefly informed of the VOS Climate (VOSClim) project and its data management. The VOSClim project was initiated in 1999, based on recommendations by the VOS Special Observing Project - North Atlantic, which had demonstrated the potential value of VOS observations to global climate studies. A target of 200 ships to participate in the project has been fixed. Participating ships were requested to report a number of observational elements which were essential to the success of the project, in addition to those required from the "classical" VOSs,. However, because of the CBS goal of converting all the alphanumeric codes to table driven codes (i.e. CREX, BUFR, and GRIB), it was decided that the existing (unmodified) ship code should be retained for real time reporting and that the additional observation information should be provided in delayed mode only, in the modified IMMT-2 code format. The additional information would therefore be recorded onboard ships as hard copies or electronic logbooks, for future collection, processing, archival and delivery to users. For the purpose of data monitoring and collection, it was agreed to establish a Real Time Monitoring Centre (located at the Met Office, UK) and a Data Assembly Centre (located at NCDC/NOAA, USA). The RTMC would provide monthly monitoring statistics together with lists of ships having "suspect" observations. In addition, the RTMC would compile datasets of the observations from project ships and associated model field values with regard to six variables, namely wind direction and speed, sea level pressure, SST, air temperature and humidity. These datasets would be transferred from the RTMC to the DAC in BUFR code. In addition to the real time data, the DAC would also receive the delayed mode data from project ships which would be forwarded through the Global Collection Centres. The DAC would then compile a complete project data set which would be made available to users through the project web site (http://www.ncdc.noaa.gov/VOSClim-html). The group noted that the VOSClim project was expected to be continued and to become an operational programme. It noted that the data management system for the project included a feedback process from data users, through the activities of the RTMC, which it is a good example of end-to-end data management of marine meteorological data. SPECIALIZED OCEANOGRAPHIC CENTRES (SOCs) The group recalled that the system of Specialized Oceanographic Centres (SOCs) had been established by IGOSS and thus became part of JCOMM when the latter was formed. Because of the broader mandate of JCOMM as compared to that of IGOSS, it was felt necessary to review the status, ToRs and activities of the SOCs as a first step towards aligning them to meet JCOMM requirements. To that end, the Management Committee established a small ad hoc drafting group, tasked with studying the SOCs system. To assist this group, it was agreed that each Management Committee member concerned would provide information, on request, about the status of any existing SOCs within his/her region. The ad hoc drafting group was to endeavour to provide (a) proposal(s) to DMCG-I. To assist in this review, a questionnaire was devised to be completed by existing SOCs. Up to the present time, only one response to the questionnaire had been received. It had therefore not been possible for the ad hoc drafting group to provide the DMCG with any kind of concrete proposal. The group agreed that such a review was important and expressed its interest to be informed of its results. It further recommended that possible national funding for SOCs as such be taken into consideration when a final decision regarding the SOCs system would have to be taken. GLOBAL TEMPERATURE AND SALINITY PROFILE PROGRAMME (GTSPP) The group was presented with an up-date on the GTSPP, which continued to be an active program with contributions from Australia, Canada, France, Germany, Japan, and U.S.A. It operated the data system for the SOOP and included the handling of both real-time BATHY and TESAC data and higher resolution, delayed mode data. It performed acquisition, processing, quality control, archiving and data dissemination functions in cooperation with three science centres in Australia and the U.S. Current GTSPP activities included the following. A new web site at www.gtspp.org; A strategy to improve the identification of near and exact copies of data; Preparation of a new Project Plan; Contributing to the production of the final WOCE Data Set to be released on DVDs in November, 2002; Plans to issue a stand alone CD (or DVD) in the 2004-5 time frame; Ideas for the content for this CD are being formulated; Encouraging IODE to address the upgrade of global archives to handle corrections to XBT fall rates; Begin annual reporting starting with the first report to cover 2002 and issued in early 2003; NODC and IFREMER to begin planning a distributed archive for GTSPP. pilot project on surface salinity data management The group was presented with an up-date on the pilot project, the initial objective of which was to organise surface salinity data that were currently collected and to work with data collectors to improve data collection in order to meet the benchmarks of spatial and temporal sampling and data accuracies set out by the OOPC. The first meeting of interested participants took place in Brest in November of 2001 with representatives from Canada, France, Greece, ICES, Japan, Russia, UK, and USA. The meeting decided that dealing with only SS was not sufficient, and broadened its interests to include other underway measurements. It concluded with three working groups being formed to draft sections of the project plan. At JCOMM-I, the surface salinity group was urged to look closely at including other variables collected by underway instrumentation. At SOT-I, a presentation by groups making underway pCO2 measurements showed that they were well along in standardizing the instrumentation and had a system ready for routine deployment. It would be beneficial if this Surface Salinity project could make contacts with the CO2 group and exchange ideas about how they might cooperate. Thierry Delcroix of France agreed to chair the Project. A meeting was planned from16-17 September 2002 in Ottawa to review the draft project plan and discuss further action. Argo data management The group was presented with the status of the Argo data system, which was a distributed operation. In most cases, individual countries managed the data stream from the floats they have deployed. Data would be relayed from the centres to the GTS and to two global servers, GDACs, operated by France and the US. Data would be available either from the GTS in TESAC code form, or through either ftp or www access from the GDACs. As the data passed through higher quality control assessments, the data on the GDACs would be replaced by the higher quality versions. A long term archive had been established at the US NODC to ensure the accessibility of the data over time. Most countries had established centres for their data or were collaborating with other countries or Service Argos to share resources. The two global centres acted as mirror sites. The data found at the global centres presently derived from the GTS to cover the period until individual national centres were able to process their data and deliver them in the agreed format. This should start operations soon. The formation of regional centres was still under development. Current activities regarding Argo data management included: the completion of initial versions of an Argo documentation; operationalizing the exchange of real-time and delayed mode data with the global centres; evaluating real-time and delayed mode quality control procedures; establishing regional data centres; developing a suite of products to demonstrate the use of Argo data; ensuring the AIC (http://argo.jcommops.org/) meets Argo needs; establish the functions required of the long term archive. A second meeting was planned for Ottawa from 18-20 September 2002 and hosted by MEDS. Work would continue on implementing the various components of the data system. use of new techniques for real-time data exchange The group noted that information and communication technology, including data-communication network services and the Internet, has continued its rapid advance. The use of Internet, implemented with adequate protection and security measures, is now recognized as an acceptable and cost-effective option for GTS links as well as for complementary data links and, in fact, several significant links of the GTS are now implemented over the Internet. The use of Virtual Private Networks (VPN), with the Internet Protocol Security (IPSec), appears to provide adequate security and protection. The group noted that CBS was currently developing guidelines for the implementation of Internet based links, in particular VPNs, as part of the GTS. The group recalled that JCOMM-I requested the DMCG to ensure an appropriate JCOMM participation in the CBS activities related to data exchange. It noted that CBS, within its Open Programme Area Group on Information Systems and Services, established a number of bodies at its twelfth session (Geneva, November - December 2000). Among those, JCOMM is invited to be represented on the Expert Team on Data Representation and Codes, the Expert Team on Migration to Table-Driven Code Forms, the Expert Team on Integrated Data Management and the Inter-programme Task Team on Future WMO Information Systems. The group recognized that the work of all these teams was directly relevant to the DMPA, and that it was therefore important for JCOMM to interact closely with CBS on the issues being addressed by the teams (see item 5.2 for relevant action). future wmo information system The group noted with interest the development of the Future WMO Information System (FWIS). CBS had established an inter-programme task team to define a vision for the FWIS. The latest version of this vision, which has been endorsed by CBS and EC-LIII, is given in Annex V. The team was still refining that vision and presently overseeing trials to evaluate technology and techniques that could be used in its implementation. If FWIS was to serve the needs of all WMO and related programmes, it would be essential that these programmes be represented on the team. The group recognized the importance of FWIS and agreed that the JCOMM should participate in the review process of FWIS. Nomination of the JCOMM representative is discussed under agenda item 5.2. others The Global Observing Systems Information Centre (GOSIC) The group recalled that the G3OS [the three Global Observing Systems, GCOS, GOOS and GTOS] data and information management was achieved using a highly distributed system of operational centres, data centres, and scientific organizations. The GOSIC philosophy is that, to the extent practical, data, data products, and information are prepared and maintained in the G3OS centres and GOSIC provides road maps and links to them. GOSIC also provides links to the G3OS planning and design documents wherever they may be held. The philosophy is also to minimize the difficulties of navigating complex and vastly different organization web sites by asking the centres to maintain an agreed, simple, common-format web page that points directly to their G3OS data, information, and services. GOSIC then provides the link to that page. The group noted that similar systems had been developed within the meteorological community (see item 6.1 - Existing oceanographic and marine meteorological data holdings). It recognized that, in the short term, GOSIC-like systems were a good solution to assist users in finding the data they needed. On the other hand, solutions for the longer term, avoiding the necessity for centres to register to a central facility, were already under study and might be used in future for JCOMM data management purposes. An Ocean Information Technology (OIT) project The group was presented with an OIT project, which stressed that advances in oceanography, marine science and technology and marine climatology have led to a rapid expansion in the volume of data and information exchanged, to the point that further progress in managing and interpreting this information was reaching a limit. In addition, users increasingly demanded operational services and products. To serve these requirements, up-to-date systems, methods and technologies for data management were essential. Whereas many initiatives had been developed and implemented in both the oceanography and climatology communities, little or no cooperation or technology transfer had taken place between these communities, nor between these and others (such as the private sector). Facing the challenges imposed by the expansion of data flow both in terms of data type and quantity will required a leap forward looking beyond traditional methods and structures. To respond to these challenges, the development of an OIT project was proposed. OIT aimed at creating an efficient and effective data and information management system for the marine environment, based on leading-edge [ocean] information technology, and at serving the oceanographic community and beyond. The project should include the following components: (i) telecommunications and telemetry; (ii) standards for data representation and exchange and protocols; (iii) datum and data set integrity; (iv) data circulation and service; (v) data and products servers; (vi) data assembly, quality control; and (vii) the user interface. The project would be initiated as a pilot project, divided into a number of well-defined work packages, to be implemented in parallel. The group expressed its appreciation for the proposal, stating that it constituted an excellent framework for the priorities of the DMCG. It was noted that, for several of the components, IOC and WMO had already initiated activities, and that the project would be able to bring together the expertise and know-how coming from these initiatives. In addition, several regional projects were mentioned that should also be linked to, or integrated into the Project. The group stressed the need to ensure that all Members/Member States should be able to benefit from the developed system that would rely on very advanced information and data management technologies. In this regard the group called for close cooperation with the JCOMM Capacity Building Programme Area. The group approved the Ocean Information Technology Project proposal as a relevant initiative within the framework of the JCOMM Data Management Programme Area and identified four components to be developed as "pilots" (work packages) for discussion during the first session of the OIT Steering Team, planned to take place from 27-29 November 2002 in Brussels (subsequent to the Conference on Colour of Ocean Data), as follows: Common protocols - To examine and test protocols for metadata standards, such as data set integrity, archive longevity and practices directly connected to data. To demonstrate one solution to integrating data from diverse sources that will stand up to the test of understanding the data 50 years from today. Leader - to be determined by co-presidents of JCOMM in collaboration with PA coordinators. Data serving - To examine and demonstrate one solution to product and data servers by examining the technology available ranging over such solutions as DODS, to object request systems. To test solutions for "pushing" data to users, meeting requests for "directory level" information, and identification of different "levels of processing" of data. Leader - Chair ETDMP Data standards for XML and study of relevant technology - To work closely with ICES, IODE and CBS to explore and test XML for data exchange, to examine open GIS and US Navy uses of XML, to examine WMO experience and requirements and to collaborate in the definition of IOC/ICES XML "bricks". Leader - Chair ETDMP or alternate Technology study - To carry out a study of relevant modern telecommunications and computer technology in order to evaluate its applicability and impact if adopted by the data system. Leader - Bruce Sumner Each project leader would work with the members proposed to be part of the pilot, to refine the focus of the pilots and to have proposals with clear goals, members and milestones for the works, for review by the Management Committee and for subsequent presentation to the OIT Steering Team by November, 2002. Sea ice data management The group noted that the JCOMM Expert Team on Sea Ice (ETSI) was currently focussing on sea ice data management issue, as well as services, including a revision of the WMO Sea-Ice nomenclature, development of the WMO Sea Ice Nomenclature in XML format, development of new standards for sea ice charts, new formats for operational and historical sea ice data exchange and colour coding. It also noted that the WMO project "Global Digital Sea Ice Data Bank (GDSIDB)" provided QC and software enhancement for archived data in support of climate oriented programmes and had a plan to access a number of additional sea ice data sets to be digitized . The ETSI, together with the steering group for the GDSIDB, was making efforts to develop blended sea ice variables for global climate reanalysis and to prepare historical sea ice data information for the Southern Ocean. The group noted that there were various types of sea ice data in existence, which the ETSI was dealing with. The group agreed that the DMPA should take advantage of the experience of the ETSI on the integration of different types of data when the DMCG and ETDMP address the integration issue (action: ETDMP, ETMC; deadline: continuous). requirements for end-to-end data management gcos and mms requirements The group noted with interest a report on GCOS and Marine Meteorological Services Data Requirements by the chairman of the ETDMP. Summary of his report is given in Annex VI. JCOMM activities in the field of data management should be based on requirements of a wide range of marine data and products users. The group noted that requirements for GCOS and MMS applications cover a wide range of data and products on the physical state of the World Ocean. It also noted that marine meteorological and oceanographic variables required for GCOS and MMS applications overlap in a number of ways. It noted that GCOS data requirements are highly detailed and cover all aspects of data and products specification. This was primarily due to the fact that GCOS design documents determined specific applications of the system (detection of climate change; seasonal to interannual climate prediction and other). Demands of these applications form the basis of data requirements. The group was also presented with summaries of requirements for ocean data, or observed variables, in support of different themes - operational meteorology and oceanography, numerical weather prediction and climate monitoring research and prediction (based on the results of OceanObs99). The group noted that the WMO Secretariat maintains, on behalf of all WMO programmes, those of IOC and of the Committee on Earth Observation Satellites, a comprehensive data base of observational data requirements for the different programme areas, including, inter alia, NWP, operational meteorology, marine services, and climate prediction. This database was currently being used by CBS as part of its major project to re-design and rationalize the Global Observing System, a process to which JCOMM was contributing substantially in terms of marine environment. In addition, the data base was used as a resource for developing Statements of Guidance on how well the composite observing system met the observational data requirements of a number of application areas, such as marine services. The group noted that this database would be taken into consideration by the JCOMM Observations Coordination group when assessing the status and capabilities of the existing operational ocean observing systems. At the same time, the group noted that a variety of data would come out in future on the basis of stated requirements, which implied that the DMCG and the ETDMP should take these overall data requirements into account when addressing the development of the future data management system under JCOMM. The group noted with appreciation that the JCOMM satellite rapporteur, Dr Hiroshi Kawamura, and the JCOMMOPS coordinator, Mr Etienne Charpentier, participated as JCOMM representatives in the fourth session of the CBS Expert Team on Observational Data Requirements and the Redesign of the GOS (Geneva, 28 January to 1 February 2002). Within the context of this meeting, they prepared a first draft of a Statement of Guidance relating to the marine component of the GOS and JCOMM requirements for marine observational data. As noted by Dr Kawamura and Mr Charpentier, this draft now needs extensive review, both within JCOMM (the Services and Observations CGs) and outside (GOOS/COOP and GODAE). This statement was reviewed by the recent first session of the JCOMM Management Committee, which recognized that the statement should be consistent with the Oceans Theme document of the IGOS Partners, and that it might serve to identify deficiencies in both this document and also the WMO/CEOS requirements database. The draft was also provided to the first session of the Services Coordination Group (Geneva, 3-6 April 2002), which will undertake a detailed review as the draft becomes more developed. In addition, the SCG has put in place a mechanism to review and update the WMO/CEOS database, specifically with respect to the observational data requirements for marine meteorological and oceanographic services. The group agreed that a future JCOMM data management system should meet overall requirements from users. To develop such a system, the group agreed that it would be useful to identify main clients and actions to determine how to integrate to determine how to integrate a number of existing data management systems to meet the requirements. The group agreed that such actions should be designed on the basis of requirements from scientific panels. User requirements for end-to-end data management should be clearly identified, together with the data needed and their distribution means (action: see paragraph 56). On the other hand, the group noted that OOPC and COOP had not fully specified their detailed data requirements in terms of data management. The group also noted that it was necessary to develop guidelines for describing user data management requirements (action: see paragraph 90). In doing so, the group noted that experiences gained through the OIT pilot project focused on specific clients could be used to develop a data management system for a wide variety of clients. The group further noted that, whilst designed to be as general and wide spreading as possible, the future JCOMM integrated data management system should not attempt initially to try and meet any kinds of requirements, but rather should be conceived as flexible enough to be able to adapt itself to specific demands. other goos requirements The group noted that, as already highlighted by JCOMM-I, the coastal components of GOOS, under the GOOS Coastal Ocean Observations Panel (COOP), had to be taken into account by JCOMM, in particular in their data management aspects. The question was to define more precisely the JCOMM role and to what extent it could meet user requirements in the field of data management. The group first agreed that it should express its interest in COOP data management activities and take part in the design and implementation of COOP pilot projects. This was essential for JCOMM to meet its mandate of being the operational element of GOOS and of providing integrated end-to-end data management to global marine programmes (for instance, the integration of meteo-oceanographic physical data with pCO2 and plankton data). The group further recognized there was a wide range of past, present and planned projects, mainly of a regional nature, involving the exchange of chemical and biological data. Proposals regarding what would be feasible by JCOMM in this field could be inferred from the outcomes of such projects. In this context, the group, taking into consideration Dr Catherine Maillard's wide experience in this field, as well as her membership of the ETDMP, decided to request her, with the assistance of Dr Tony Knapp, Rapporteur on non-physical aspects relevant to JCOMM, the chair and vice-chair of IODE, the chair of the IODE GE-BCDMEP and Ms Savi Narayanan, in her capacity as member of COOP, to develop proposals on how JCOMM could fulfil non-physical data management requirements of GOOS (action: Dr Maillard & al.; deadline: February 2003, if possible). requirements for data encoding and related issues Codes and Formats The group recalled that JCOMM-I had recognized the value of BUFR, a binary table-driven code, for the GTS exchange of oceanographic data and that the DMCG was requested to keep such exchange under review and to initiate actions for BUFR encoding and distribution of oceanographic data at the appropriate time. Bearing in mind the discussion under agenda item 3.6, the group further recognized the importance of JCOMM being represented on the relevant CBS Expert Teams, namely the Expert Team on Data Representation and Codes and the Expert Team on Migration to table-driven Code Forms (see item 5.2). The group noted that CREX was a table-driven code in character form, essentially an alpha-numeric version of BUFR. A conversion to the ship board manual encoding of metocean data as CREX messages, from the existing standard character codes, while theoretically possible, would nevertheless most likely be unacceptable to ships officers, with a resulting decrease in already scarce ship weather reports. The group noted that this issue would be primarily addressed by the Ship Observations Team. Communications JCOMM-I recognized there was a marked lack of uniformity among Inmarsat Land Earth Station and their associated National Meteorological Services regarding the policy for accepting ship reports using Code 41, with restrictions being applied in some cases, which resulted in loss of valuable data. The group noted with appreciation that SOT-I had established a Task Team on Satellite Communications System Costs chaired by Mr Volker Wagner. The group noted that Mr Wagner was a member of both the ETDMP and ETMC and requested him to report to those teams on this issue as appropriate (action: Mr Wagner; deadline: as needed) metadata exchange Metadata management systems IOC Metadata activities The group recalled that JCOMM-I had noted with satisfaction the successful development of MEDI, a directory system for marine related datasets and data inventories, and had requested the DMCG to review the status and capabilities of the software and make appropriate recommendations regarding its usage. The group noted that development of MEDI was proceeding as planned. The Second Session of the IODE Steering Group for MEDI had taken place in Honolulu, USA, from 2-4 April 2002. During the session, version 3.0 of the MEDI software had been reviewed. A few recommendations for final corrections had been adopted, which would be implemented by the Australian Oceanographic Data Centre, developer of the software. It noted also that MEDI will be fully compatible with NASAs GCMD (also used by GOSIC) and ISO19115 compliant. It was expected that the final user version would be available by the end of July 2002, at which time it would be made available for download on Internet and on CD-ROM. (See also item 5.1 with regard to metadata ). The group noted with appreciation the progress made by IODE with regard to MEDI. It remarked, however, that acquiring metadata records from the marine community was difficult and that it would be equally difficult to keep the information up-to-date. It suggested that technologies such as object request broker systems (ORBS) might be an appropriate solution. It noted that investigating such technologies was also a topic of the OIT. The group had already proposed a pilot project to respond to some of those issues (see paragraph 56). Acknowledging that many metadata management systems were now existing or being developed (e.g. MEDI, EDMED, EDIOS, SEA-SEARCH,), ranging from simple catalogues that only provide data set descriptions to more integrated systems that enable access to the actual data, the group decided that a comparative study of existing metadata systems (covering both oceanography and meteorology) should be undertaken. The group accepted with thanks the offer by its Chairperson that her Organization undertake this study (action: Chinese NODC/WDC-D Oceanography; deadline: as soon as possible). It further requested Prof. Lin to draft a short project plan for this review and circulate it among the DMCG as well as to relevant members of IODE. WMO Metadata Standards The group reviewed the recent WMO CBS activities related to WMO Metadata standards. The CBS Expert Team on Integrated Data Management at its first meeting (Geneva, November 2001) reviewed existing metadata standards that could be applicable to WMO. The team agreed that, with some effort, the draft ISO standard Geographic Metadata (19115) could be applied to WMO requirements. The ISO 19115 specifies a process where a community can adopt parts of the standard that it feels are relevant (including the Core Elements) and also extend the elements, keywords and code table instances to suit that community. The team noted that the WMO might need to accept more than one such Community Profile for the different WMO Programmes, but that there should be a Community Core Profile which could be adopted by all of WMO, with the potential for further extensions where necessary. With this process in mind the team had developed a draft "WMO Community Core Metadata" profile (see: http://www.wmo.ch/web/www/metadata/core-standard.html). Marine XML JCOMM-I had requested the DMCG to address the issue of a standard marine markup language to facilitate the exchange of data both within and among the different sectors of the marine community including many types of organizations, research institutes, ships, satellites, moored instruments, drifting instruments, government agencies and commercial companies, which could be both data originators and data or data product users. The group noted that XML was rapidly becoming a standard for exchanging information between applications, as well as for providing information on which the formatting of data for display in a browser might be defined. Industry standards were being defined to allow the exchange of information between applications using the XML standard, with the expectation that many business transactions would use XML as their standard means of data exchange. JCOMM-I had noted the planned establishment of the International Marine XML Consortium which would manage the development of a specification for a marine XML that would be publicly available as an open standard. JCOMM-I had requested the DMCG to address urgently the issue of an agreed standard marine markup language for JCOMM activities. In particular the group had been requested to develop a strategy that took into account the marine XML consortium, the related activities of CBS, and the many national activities in this regard. The group recalled IOC progress in this area: (i) in February 2002, the XML Consortium Secretariat was transferred to the IOC/IODE Secretariat in Paris, upon request by Mr Ben Searle, IODE Chairman; (ii) a project proposal for the development of a marine XML specification was submitted to the European Union, involving IOC as a partner. This proposal was currently under evaluation; (ii) IOC/IODE and ICES jointly organized the first ICES/IOC Study Group on the Development of Marine Data Exchange Systems using XML (SGXML) in Helsinki, Finland from 15-16 April 2002. The SGXML agreed to a standardization of naming conventions, incorporation of existing metadata standards into any development, and concentrated efforts on general cruise related metadata and point data structures. It was also agreed that IOC would host a marine XML community portal (http://www.marinexml.net ). The group reviewed the doc on XML commissioned by WMO (see paragraph 79). To ensure interoperability, WMO experts have developed a preliminary framework for mapping the proposed data and metadata standard into XML The group agreed on the importance of JCOMM participation in this process of developing standards that would apply to all types of marine data and metadata, through nominating a JCOMM expert as a member of the CBS Expert Team on Integrated Data Management (action: see item 5.2). The DMCG noted that, as part of the development of standards for a WMO catalogue of datasets, the CBS ET on Integrated Data Management had developed a draft list of keywords that could be used to describe WMO datasets (see: http://www.wmo.ch/web/www/metadata/WMO-keywords.html). The group members were encouraged to send comments and suggestions for expanding this list to the WMO Secretariat (action: DMCG members; deadline: as soon as possible). Noting the efforts with regard to XML in both the oceanographic and meteorological communities, the group recognized the need for closer collaboration between IODE and CBS in a JCOMM framework. It therefore proposed the OIT pilot No. 3, as described in paragraph 56. monitoring data and information flow and quality The group noted with interest a report on monitoring data and information flow and quality by its chairperson, Prof Shaohua Lin. She recalled that JCOMM-I had reiterated the importance of monitoring information flow at all points of the end-to-end system, and had requested the DMCG to implement a mechanism with the DMPA, to provide timely and accurate information on data and products. Prof. Lin suggested the development of a global metadata depository system concentrating on data held by JCOMM Member States. However, the group stated that this would be a massive task beyond the resources of the DMPA and restated that JCOMM should build on existing systems in this regard (MEDI, GCMD, EDIOS, EDMED,) as already recommended under agenda item 4.4. The group recalled the task assigned to it by JCOMM-I: "The Commission requested the Management Committee to develop an integrated strategy for monitoring within JCOMM, taking account of the several existing activities undertaken by Members/Member States. That strategy should take account of, and be harmonized with, monitoring activities under CBS and other relevant groups. The Commission reiterated the importance of monitoring information flow at all points of the end-to-end system and requested the Data Management Coordination Group to implement a mechanism , within the Data Management Programme Area, to provide timely and accurate information on data and products." The group stressed the importance of monitoring data flow and evaluation of performance and decided to work with the OCG and the Management Committee, as appropriate, to design and implement a performance evaluation system (action: DMCG; deadline: as soon as possible). In this regard, the group was informed that OCG-I had addressed the issue of data flow and related performance indices. The OCG was now preparing a document (drafted by S.Wilson, R.Keeley and E.Charpentier) that will be circulated to the DMCG. Mr Robert Keeley was requested to act as liaison (action: Mr Keeley; deadline: when feasible). jcomm strategy for end-to-end data management The group noted with appreciation a presentation by the chair ETDMP on the topic of integrated end-to-end data management strategy for JCOMM (referred to as E2EDM). It was unanimous in considering that the question was both crucial and very difficult. After a lively discussion where, in particular, some slightly divergent views were expressed inter alia by Mr Keeley, it came to the following conclusions: there was a need to reach a consensus regarding the approach to E2EDM. To that end, as a first step, any considerations on the topic, including those already presented orally to the group (e.g. by Mr Keeley), would be submitted in writing to the chair ETDMP (action: members of DMCG; deadline: August 2002); a small ad hoc group, made up of the chairs ETDMP (chair of the ad hoc group), ETMC and IODE and Mr Keeley, would work by correspondence to combine the ideas expressed under (i) above and by the chair ETDMP into a single consolidated draft strategic plan, for submission to the ETDMP, the DMCG and the Management Committee (action: ad hoc group; deadline: December 2002); the ETDMP as a whole will be entrusted with preparing a technical document regarding the integration technology to be used within the E2EDM. A technical meeting of the ET will be needed to finalize the document (action: ET/DMP; deadline: mid 2003 for the preparatory work; end 2003 for the technical meeting); the OIT pilot project on the integration of data streams (see paragraph 56) would be part of the design of the strategic plan. The group expressed the hope that the Task Team on the Development of an IOC Strategic Plan for Oceanographic Data and Information Management, the establishment of which was foreseen in a draft resolution to be submitted to the forthcoming IOC Executive Council, would be actually established and would complement its own efforts in the field of E2EDM. matters for urgent action odas metadata Format review by IODE The group recalled that the ODAS metadata format had been developed within the framework of the former CMM in order to enable the development of a comprehensive metadata base for ocean data acquisition systems (ODAS) including moored and drifting buoys, offshore platforms etc. That database would allow a full and accurate interpretation of the observational data from ODAS that were available in climatological archives. JCOMM-I decided to adopt the proposed format (Rec. 1 (JCOMM-I)). It was considered important to ensure that the ODAS metadata format did not conflict with related IODE metadata systems such as MEDI. Accordingly a comparative review was made of both systems by IODE. The review concluded that ODAS is a secondary level directory that provided detailed descriptions of data collected by ocean data acquisition systems. MEDI, on the other hand, was a top-level directory for descriptions of all marine data sets. The current MEDI system did not provide for the additional "granularity" of metadata descriptions available in the ODAS system. During the ninth Session of the IODE Group of Experts on Technical Aspects of Data Exchange (GETADE) (Helsinki, Finland, 20-22 April 2002), it was agreed to investigate and prepare for increasing granularity of the information in MEDI and specifically to further compare the ODAS metadata format to the MEDI format in more detail, noting that they are conceptually at different levels of detail. The group noted with appreciation the GETADE initiative and welcomed closer collaboration between JCOMM and IODE in this regard. The ODAS metadata centre JCOMM-I had recognized the urgent need to identify a centre willing to host the ODAS metadata base and requested the co-presidents in consultation with the chairpersons of the DBCP and the Data Management Coordination Group, and the Secretariats, to obtain the agreement of such a host center as soon as possible. Prof Lin offered to host the ODAS metadata base at the National Marine Data and Information Service, Tianjin, China (WDC-D Oceanography). The group thanked Prof Lin and requested her to provide more details about the client service requirements that hosting the ODAS database would entail. The group further requested Prof Lin to collaborate with IODE GETADE in their investigations into MEDI-ODAS comparisons, to further specify the characteristics of the service, and to keep it informed through the preparation of an action plan. jcomm and the inter-programme task team on future wmo information systems Bearing in mind the discussion under agenda item 3.6 and 3.7, the group agreed that it was important to nominate JCOMM experts as members of the three CBS Expert Teams, namely: the Expert Team on Data Representation and Codes, and the Expert Team on Migration to Table-Driven Code Forms, the Expert Team on Integrated Data Management, as well as of the Inter-programme Task Team on Future WMO Information Systems, to effect liaison between CBS and JCOMM. To this end, the group decided as follows: Prof. Lin S., chairman of the DMCG and Dr. N. Mikhailov would represent the JCOMM on the Inter-programme Task Team on Future WMO information System and on the CBS Expert Team on Integrated Data Management, respectively. Their alternates should be identified if they are not available, to make sure JCOMM is attending their coming meetings. Mr R. Keeley (Canada) will represent the JCOMM on the CBS Expert Team on Data Representation and Codes, and the Expert Team on Migration to Table-Driven Code Forms. The IODE chair (or alternate) and/or the JCOMMOPS Coordinator would be alternates to Mr Keeley in case he can not attend coming sessions of these CBS Expert Teams. ccl revised guide to climatological practices The WMO Commission for Climatology (CCl) is updating the WMO Guide to Climatological Practices (WMO- No.100). The group recalled that JCOMM-I had agreed that it should assign experts to assist CCl in preparing appropriate sections of its revised Guide that dealt with the recording processing and archiving of marine climate data. The group noted that action in this regard was being undertaken by the Expert Team on Marine Climatology (action: ETMC; deadline: as soon as possible). other business existing oceanographic and marine meteorological data holdings The group reviewed the marine data holdings within the framework of the former CMM. It was also presented with a status summary of the WMO INFOCLIMA catalogue, which included marine and ocean data base information. JCOMM-I had recognized that there were probably a number of similar oceanographic and marine meteorological data holdings in existence, which should be identified and, if possible, included in freely accessible data archives. JCOMM-I had therefore requested the DMCG to review the situation and to propose appropriate follow-up actions. An overview similar to the one provided by WMO (see paragraph 101) had not been possible for IODE due to the great number of existing metadata systems. The group noted that such an overview would be possible on the basis of the comparative study of existing metadata systems, as agreed upon under Agenda Item 4.4.1. The group called on the team that would undertake the study to include GOSIC (action: WDC-D Oceanography; deadline: as soon as possible). The group stressed the need for close cooperation with IODE in these matters in view of the substantial data holdings held by IODE data centers (action: DMCG, IOC Committee for IODE; deadline: continuous). Surface current data With regard to surface current data, JCOMM-I had decided on the discontinuation of the ISCDC and had recommended that data holdings of the Centre should be transferred to the appropriate WDC. Prof Lin offered to host the ISCDC database at the National Marine Data and Information Service, Tianjin, China (WDC-D Oceanography). The DMCG accepted the kind offer of China and requested Prof Lin to provide more details about the client service requirements that hosting the ISCDC database would entail. In addition, JCOMM-I had recognized the need for an archive for surface current data from all sources, and had requested the DMCG to undertake action in this regard. The group stressed that it would not be appropriate to develop a centralized surface current database but that efforts should rather be undertaken to integrate the many existing sources of surface current data. Storm surges The group recalled that CMM-XII (Havana, March 1997) had supported a project being undertaken by the former Subgroup on Marine Climatology to compile a catalogue of global storm surge data holdings. Early findings of the project include: Substantial amounts of storm surge data are archived in a number of countries; There is some interest in having a global catalogue of data holdings; There is also some interest in the eventual international exchange of these data, at least regionally. The group noted that the Expert Team on Marine Climatology was planning to make a survey on storm surge data archival. The group noted that this task should be done in collaboration with IODE and also with ITSU (action: ETMC, ITSU Secretariat; deadline: as soon as possible). At the same time, the group agreed that storm surge datasets should be duly included in the comparative study of existing metadata systems (see paragraph 78). The group stressed the need to inform the marine and meteorological communities on any metadata, data, information or product that would be developed by JCOMM and requested the Secretariats to ensure that information would be posted on all relevant web sites and other publications (action: joint JCOMM Secretariat; deadline: continuous). International Workshop on Advances in Marine Climatology The group recalled that JCOMM-I had agreed to hold a second CLIMAR International Workshop on Advances in Marine Climatology. As requested by the first session of the JCOMM Management Committee, the chairman of the ETMC and the Secretariat have started to establish an scientific organizing committee for this workshop. The group agreed with the tentative proposal for that committee (D. Dehenauw (Belgium), D.E.Harrison (USA), M. Mietus (Poland), D. Parker (U.K.), V. Swail (Canada), S. Woodruff (USA), T. Manabe (Secretariat)). The group reviewed some background and summary of CLIMAR 99 (Vancouver, Canada, September 1999) and also of a Workshop on Advances in the Use of Historical Marine Climate Data (Boulder, USA, January 2002). It agreed that outcomes of these past workshops and other related meetings and workshop should be considered for the organization of CLIMAR-II. The group further noted that the workshop was tentatively planned to take place in Brussels in November 2003, probably in conjunction with an historical conference to celebrate the 150th Anniversary of the Brussels Conference of 1853, as suggested by JCOMM-I. The Organizing Committee was requested to report to the Management Committee on the progress on the arrangement for the workshop, for its review, as appropriate (action: scientific organizing committee; deadline: periodically). future work programme Based on discussions under preceding agenda items, the detailed work plan for the Data Management Programme Area, including its component teams was revised. This revised work plan is given in Annex VII. date and place of the next session The group agreed that, in principle, its next formal meeting should be in the first half of 2004, with exact dates and place to be decided later by the chairman and Secretariat. In this context, it was pleased to accept the kind invitation of its chairperson to hold the session in China. At the same time, it considered that advantage should be taken, where possible, of attendance of a significant number of members of the group at other events, to convene special ad hoc sessions to address specific issues of immediate importance. Similar arrangements should apply the sessions of its Expert Teams. closure of the session In closing the session, Prof Lin expressed her thanks to all participants for the assistance they had provided to the chair and for their excellent spirit of cooperation. She expressed the hope that a good job could be accomplished during the intersessional period by maintaining contact between all members through e-mail. She concluded in wishing everybody a safe and good trip back and in looking forward to meeting them again at the next session in China. On behalf of all participants, Ms Narayanan thanked the chair for the excellent work she had accomplished during the session and the joint JCOMM Secretariat for its continuous support. 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