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Report- 5th Session of
the Joint WMO/IOC Technical Commission
for Oceanography and Marine Meteorology (JCOMM)
Ships Observation Team (SOT)
Geneva, Switzerland
18-22 May 2009
This report covers various items from the meeting considered of
particular interest to the HMEI Membership and is not intended to be
definitive. The report lists items and document presentations in the
order they were given at the meeting.
Documents considered of particular interest to HMEI Members
are linked individually in this report.
The revised agenda is available in Annex II of
the JCOMM Draft Final Report here. The other meeting documents are
available at:
http://www.jcomm.info/index.php?0ption=com_oe&task=viewEventDocs&eventID=320
Attendees
For the full attendees list please see the Participants List in Annex I
of:
the JCOMM Draft Final Report
HMEI was represented by:
Rémy Pepin -
MODEM
Aki Lilja - Vaisala
Bruce Sumner - HMEI Executive Secretary
Christine Charstone - HMEI Administrator
I(a)
Opening at
9.00
On Behalf of the WMO Executive Secretary and the Executive Secretary
of Intergovernmental Oceanographic Commission (IOC), Dr Wenjian Zhang
(Director, Observing and Information Systems Department, WMO
Secretariat) welcomed the participants to the session
gave a welcome address.
Mr Graeme Ball, Chairperson of the Team gave an overview of the work
of the JCOMM SOT and the achievements since the last meeting.
See
this report here.
II -Scientific and Technical
Workshop, New Developments
The workshop consisted of seven presentations with new
initiatives and/or developments in shipboard meteorological or
oceanographic instrumentation, observing practices, data management
procedures, quality control and ocean products. Some Members of the Team
reported on systems and related technical developments relevant to the
SOT, either within their own services and operations or with which they
have otherwise been directly involved.
Of particular interest for manufacturers was the presentation from the
Task Team on Shipboard AWS (TT-AWS):
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E-SURMAR specifications of AWS (list of
recommendations for issuing specifications) (Henry Kleta, DWD,
Germany).
The team was established in Nov 2007. The paper discusses
parameters, requirements, recommendations, etc. A minimum set of
parameters are identified: – pressure, air temperature, humidity.
Possible additional parameters are: – wind (possibly with heading)
and SST. Visual observations are considered a definite optional
feature, but are not required for an autonomous solution.
Other papers in the Technical Workshop were:
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New developments and updates in VOS
Electronic logbook software, including ObsJMA (Naotaka Hiraishi, JMA,
Japan);
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New developments and updates in SOOP
software, including new AOML visual quality control software,
implementation of Iridium transmissions in SEAS XBT transects, and
implementation of TSG transmission using Iridium in SEAS TSG
operations (Gustavo Goni, NOAA/AOML, USA);
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VOS metadata tools including VOS Form
VOSP002, VOSP002 Metadata Viewer, E-SURFMAR output format, and Pub47
XML Generator (Graeme Ball, BOM, Australia);
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Overview and demonstration of the E-SURFMAR
VOS database (Pierre Blouch, Météo France, France);
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Scientific analysis of VOSClim data
(updated report) (David Berry, NOC, United Kingdom);
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Overview and demonstration of the VOS
Quality Control Tools at Météo France (Pierre Blouch).
The summary of these presentations is available in
the document, Item II, here.
I(b)
- 2 Reports from Secretariat
Co-ordinators and Chairperson
Report from the Secretariat, Doc. I(b) - 2.1
see document here
Etienne Charpentier presented this document which gives a details of the
work and achievements since the last JCOMM SOT meeting, as well as some
future work proposals.
-
It was noted that, with the new
priorities and structure of WMO, one priority will be an extra
emphasis on Climate data within JCOMM.
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In regard to the WMO Integrated Global
Observing Systems (WIGOS), a Pilot Project for JCOMM was initiated
in 2008 in close cooperation with the International Oceanographic
Data and Information Exchange (IODE) of IOC. One aim of the Pilot
Project will be: " to define and agree on common standards for
instruments and methods of observation as well as subsequent
organization and handling of the data and information to deliver
consistent and better quality data to both the broad user and
modelling communities. Data records must be traceable to standards.
Maintenance and calibration are critical for ensuring stability and
sustainability of systems."
-
The meeting was informed of the
development by the JCOMM Data Management Programme Area of an
“Oceanographer’s and Marine Meteorologist’s Cookbook for Submitting
Data in Real Time and In Delayed Mode”. The Cookbook provides
instructions for many kinds of data.
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It was noted that JCOMM-III will be held
in Marrakech, Morocco, 4-11 November 2009.
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Appendix E of the document, also notes
that a new JCOMM working structure has been proposed and will be
discussed at JCOMM-III.
The Secretariat Report also noted, in Appendix B, eight deliverables
that JCOMM is looking to achieve, including:
- Observing Programme support Centre (OPSC)
- a JCOMM-II recommendation noted that in order to achieve a fully
implemented sustained global ocean observing system, the JCOMM in
situ Observing Platform Support Centre (JCOMMOPS) needed to meet the
growing needs of DBCP, SOT, and AST, by becoming an expanded
technical support centre. This would also meet the future
international programmes which will be part of the coordinated
global ocean observing system (GOOS). Thus a review of
JCOMMOPS was undertaken and a joint call was subsequently issued by
WMO-IOC for the hosting of an Observing Programme Centre (OPSC) to
replace JCOMMOPS. As a result JCOMM-III will be invited to
formally establish the OPSC, which will be replacing the existing
JCOMMOPS.
- New wave observing technology
- this looked at new wave measurements from moored and drifting buoys .A JCOMM Technical
Workshop on Wave Measurements from Buoys was held in New York City,
New York, United States of America, 2 - 3 October 2008. A key
outcome of the workshop was the proposal – endorsed by the Data Buoy
Cooperation Panel (DBCP) at its twenty-fourth Session, Cape Town,
October 2008 - to establish a Pilot Project on Wave Measurements
from Drifters (PP WMD) within the DBCP framework to look at
feasibility to develop new cost-effective technology (e.g. using
GPS). A twin project was also established, the JCOMM Pilot Project
on Wave measurement Evaluation and Test from moored buoys (PP-WET).
- Satellite data telecommunication
- it was noted that there is a strong demand from the ocean
data community for cost-effective, global satellite coverage,
real-time high data-rate telecommunication, sufficient system
capacity, and two-way telecommunication with the in situ ocean
observing platforms. Iridium satellite data telecommunication
systems were sited as having a good potential for the collection of
meteorological /oceanographic data. The DBCP iridium Pilot Project
initial target of 50 units to be deployed in the world oceans has
been exceeded, and the data now distributed on GTS from CLS and
Météo France. These good results will be reported at JCOMM-III.
Although testing is still need to test the technology in all
ocean conditions and regions and to ensure that the data can be
distributed on the GTS after appropriate QC procedures are applied
and encoded in standard GTS formats, it is expected that JCOMM-III
will be encouraging Member States to use Iridium.
Review of Action Items from the 4th Session of SOT Doc. I(b) -
2.4
There were two items noted as outstanding from the previous SOT
session that concern HMEI:
- Item 16 - HMEI to help with having SOT requirements to be
considered by the manufacturing industry.
This item is still ongoing.
It was noted that: Any requirements received from SOT are
immediately passed to all the manufacturers who are members of HMEI.
Also passed on are reports of SOT and other JCOMM meeting, and
reports and requests from members of SOT. For instances, Robert Luke
has contacted HMEI on several occasions with requests for
assistance. Also, HMEI is cooperating with the WIGOS Pilot Project
for JCOMM and solutions being explored in this context.
- Item 52 - HMEI to act as a liaison with the manufacturing
industry regarding the use of electronic devices meeting SOT
requirements.
This item is still ongoing.
It was noted that: No information on electronic devices, in
particular devices to replace mercury temperature measurement
instruments, has been received from SOT. However when such
information is received, HMEI has a very effective dissemination
mechanism to ensure such information is passed to all HMEI members
in a very timely manner, and that member responses are
collected/collated and passed back to SOT very quickly. Also, HMEI
is cooperating with the WIGOS Pilot Project for JCOMM and solutions
being explored in this context.
Report by the JCOMM OPA Coordinator Doc. I(b) - 2.2
Candyce Clark, the JCOMM Observations Programme Area (OPA)
Coordinator, spoke about the Global Ocean Observing System (GOOS),
a composite of many different ocean observing networks. Implementation
of GOOS is now at 61%, with the plan to be 100% implemented by 2010.
I(b)
- 3 Reports on Associated Programmes
and Requirements for Ship-Based Observations
Report of the OOPC Ocean Observations Panel for Climate
Doc.
I(b) - 3.1.1 Albert Fischer presented this paper. OOPC is an expert advisory
group, which makes recommendations for a sustained global ocean
observing system for climate. OOPC's sponsors are: the Global Climate
Observing System (GCOS); the Global Ocean Observing System (GOOS); and
the World Climate Research Programme (WCRP). OOPC's recommendations
include those relevant for JCOMM. SOT (and other JCOMM groups)
coordinate some of the in situ networks of the global module of GOOS, as
well as the ocean component of Global Climate Observing System (GCOS).
The report noted, amongst other things, that for climate purposes it is
important for ship-borne sensors to have best practice regarding
installation, maintenance and use of the sensors.
Rolling Review of Requirements (RRR) Doc I(b) - 3.1.3
The work of this Team, taking into account the updating of the JCOMM OPA
Observing System Implementation Goals and the results from the WMO
Rolling Review of Requirements, has resulted in the identification, not
only for climate purposes but also in for Numerical Weather Prediction,
marine services, and synoptic meteorology, of certain deficiencies in
the requirements for critical variables. These are:
- Sea level: For ocean applications, In situ observations are used
for assimilation in ocean circulation models, and for calibration /
validation of the satellite altimeter and models. The sea level
observing network needs enhancing so that any tide gauge makes
measurements with the following minimal requirements: 1cm accuracy,
6 to 15 min high frequency data with accurate timing (1 min.).
Measurements must be made relative to a fixed and permanent local
tide gauge benchmark (TGBM).
- Precipitation: Precipitation should be reported in a more
systematic way to meet the requirements for global and regional NWP,
as well as synoptic meteorology.
- Visibility: Horizontal visibility should be reported in a more
systematic way to meet the requirements for Ocean Applications (for
maritime safety essentially).
- Waves: making in situ wave measurements in a more systematic way
would permit to address the requirements for ocean applications
(model and satellite product validation). Wave observations must be
regarded as a key variable to be derived from satellite observations
using polar altimeters for significant wave height, and SAR.
- Snow: Snow observations are required in support of global NWP
mainly.
- Atmospheric profiles: ASAP units are required in support of
global NWP and synoptic meteorology. ASAP are providing aerological
profiles that complement AMDAR reports over remote ocean areas where
only horizontal AMDAR reports (or no such report) are available.
More information is needed in order to derive a realistic target for
the programme (e.g., E-ASAP is deploying about 5000 radiosondes per
year in the North Atlantic Ocean).
The meeting was invited to make recommendations in regard to these
findings.
I(b)
- 4 Reports and Recommendations by
Task Teams
Doc.
I(b) - 4
(this
document with the appendices referred to below are available here.)
The document I8b) - 4 contains all the summarized reports
of the 9 Task Teams within SOT. These Task Teams are:
- Task Team on Satellite Communication Systems
- Task Team on SOT Iridium Pilot Project
- Task Team on ASAP
- Task Team on VOS Recruitment and Programme Promotion
- Task Team on Metadata for WMO No. 4
- Task Team on Coding
- Task Team on Instruments Standards
- Task Team on Call sign masking and encoding
- Task Team on the VOS Climate Project (VOSClim)
HMEI is a member of the Task Team on Instrument Standards and the ASAP Task Team.
Task Team on Satellite Communication Systems Doc. I(b) - 4 - Appendix A
An investigation has been made by the Task Team on Satellite
Communications of the different systems that could be used for AWS data
communications. The three systems are Inmarsat-C, Meteosat and Iridium.
ARGOS was not investigated as it is considered too expensive.
Iridium,
on a cost basis, appears to be the best system. It is approx a third the
cost of Meteosat and one fifth the cost of Inmarast. It is used by the
shipboard AWSs: BAROS, BATOS, MetPod and Vaisala MAWS.
Canada is retrofitting all VOS vessels to use
Iridium, and France is also converting from Inmarsat to Iririum
communications for all irs BAROS AWS equipped vessels. Drifting buoys
are also being changed from ARGOS communications to Iridium
communications. The results are reduced communication costs and
increased timeliness of observations.
Task Team on Automated Shipboard Aerological Programme (ASAP) Doc.
I(b) - 4 - Appendix D
This report is by Rudolf Krockauer, Chairperson of the ASAP Task
Team. There are two main worldwide programmes of ASAP: 1) European ASAP
with19 stations of which 15 are operational and 2) Japanese ASAP with 5
stations which are research vessels. Additionally there are a few others
vessels in ASAP, from Norway, South Africa and USA.
Almost all vessels only operate in the north Atlantic Ocean. Total
observations transmitted in 2008 were 6307 reports, with over half
coming from the E-ASAP network of 15 operational vessels. E-ASAP vessels
are all being converted from Inmarsat communications to email based
Iridium satellite communications.
- As this programme deals extensively with shipboard radiosondes
HMEI will be inviting members to nominate themselves as industry experts
for this Task
Team.
Task Team on Instruments Standards Doc. I(b) - 4 - Appendix G
This report is by Robert Luke, the Team's Chairperson. HMEI has been
working with Mr Luke, in his capacity as Chairman of this Task Team,
regarding information on various ship instrumentation issues, which the
HMEI membership has helped address.
The report looks at a number of topics including Instrument Standards Guidelines; Electronic
Logbook Inter-Comparison Test and Results and Task Team Proposed Changes
of ISO 10596.
The proposed changes of ISO 10596 are documented in Annexes G and H of
the Report in Appendix G. ISO 10596 addresses Ships and marine
technology - Marine wind vane and anemometers. The aim of the proposed
changes is to ensure that the ISO standard is compatible with the WMO
Publication No. 8, which is the CIMO guide for instrumentation, and
observations, including marine instruments.
Recommendations for the changes are:
- That the WMO Secretariat contact the ISO TC 8/SC 6 group and
request the following:
•These proposed changes be reviewed by
TC 8/SC 6 for possible inclusion into the ISO 10596.
•Ensure that the changes to Section 7 are incorporated into ISO 10596
or proper response provided to the WMO Secretariat and SOT as to why
the variance of WMO No. 8 Requirements cannot be implemented.
•A proper revision of ISO10596 is promulgated for review and
publication within normal WMO/ISO channels.
That the SOT national focal points (FP) coordinate nationally with
their ISO/TC or SC representative, to ensure FP/CIMO proposed changes
are incorporated.
Task Team on VOS Clim Doc. I(b) - 4 - Appendix J
This report was by Sarah North, Chairperson of the VOSClim Task Team.
The VOS Climate Project is now "mature" and so has probably reached the
end of its "Project" status. However it was proposed that the benefits
of the work be continued into the wider operational VOS community,
applying "best practice" results of the VOC Clim to the rest of
VOS, thus raising the quality of climate data available form VOS, which
could then contribute to the Global Climate Observing System (GCOS). .
Some issues need to be considered in expanding the VOS Clim results into
the wider VOS community:
- As the project status of VOS Clim is ended, a new or revised
Task Team following on the future work from the project, will need
to be set up, with new Terms of Reference.
- It is suggested that there should be an Intercomparison of
Shipboard AWSs .
- The use of E-logbooks is strongly recommended for VOS use.
- The migration to BUFR needs to be addressed.
- JCOMM Publications would need to be reviewed to make sure they
are up to date and comply with Quality Management terminology.
- There is a question of whether the VOS Clim data should now
go into one central repository (DAC) to be used for all VOS data.
- The data from VOS Clim has not being fully exploited despite
data now being available on the VOS Clim website. So the
high-quality datasets need to be available and could also be updated
with/integrated with operational data.
IV
- 2 Programme Implementation
There were several reports on the implementation status of
SOT. One of interest for HMEI members looked at the major satellite
communications system, other than Iridium, ARGOS.
Report on the Argo Project
Doc. IV - 2.6
see
document here
This network is fully developed and sustainable, with 3000
profilers. Communications used for most of these profilers is the ARGOS
system, with only about 150 floats using Iridium satellite
communications.
IV
- 3 Monitoring and Data
Management
Metadata and coding Doc. IV - 3.2
see document here
The meeting noted that all ocean data (BATHY, TESAC, TRACKOB,
etc.) needs to be available in BUFR format by 2012.
IV - 4 Issues for SOOP
- It was acknowledged that Lockheed Martin-.Sippican is effectively
the only manufacturer of XBT probes.
- The fall rate equation issue had not been resolved. Iridium is
becoming the communication system of choice, although ARGOS is still
used extensively. Immarsat is considered to be too expensive and so
not recommended.
- The Devil system for processing XBT data (collection,
processing, transmission) is manufactured by Turo Technologies in
Hobart, Australia.
- Iridium is becoming the communications system of choice,
although Argos is still used extensively. Inmarsat is considered to
be too expensive, and is not recommended.
The Ship of Opportunity Program - Doc. IV - 4 Appendix C
see document here
Temperature and current Variability/Anomalies
There is significant variability
between near simultaneous CTD and XBT drops, as was found during a series of
drops in the Sea of Bengal.
XBT Biases (Doc. IV - 4 Appendix C item 5)
see
document here
The fall rate equation issue has not been resolved. Corrections for XBT
data are needed to allow for their application in climate relevant
applications. It was proposed by the meeting to conduct further trials
and Intercomparisons to try to resolve this issue and support for these
trails was requested. It was specifically
requested that Sippican be involved in this activity. HMEI advised that
it would encourage Sippican to participate with such trials.
I(c)
- 5 Support Infrastructure
This section looked at four documents which dealt in more
depth with Telecommunication Facilities and a Review of Satellite Data
Telecommunication Systems. Also there was a presentation on
the WMO Integrated Global Observing Systems (WIGOS).
There was also a presentation on:
JCOMMOPS and the future OPSC Doc. I(c) - 5.1
see document here
JCOMMOPS has been the in situ Observing Platform
Support Centre for SOT and has proved to be very effective. JCOMM has
now reviewed the future of JCOMMOPS and
decided there is now a need for an expanded Observing Programme Support
Centre (OPSC) . This should include system performance monitoring,
system design evaluation, and authority to suggest deployments to
improve system and efficiency and effectiveness. Four countries, out of
Belgium France, India and USA, have been short-listed to host the new
Observing Programme Centre. JCOMMOPS currently operates from Toulouse,
France. An evaluation committee has chosen France as the
recommended candidate, however the final decision will be made by JCOMM
III in November 2009.
V - National Reports
Some points of interest here were:
- It was noted that a partnership with
InterMet-South Africa is being investigated by the South Africa
Weather Service for their ship fleet upper-air program.
- South Africa is also investigating the supply
of plastic weather screens for installing on ships. They are
considering MetSpec and Aztec screens
- Muir Matheson provide 250,000 observations
from 37 offshore installations in the North Sea to the UK Met
Office.
- Most national VOS networks are planning to
install Vaisala PTB 330 barometers.
- UK is conducting an informal national
Intercomparison of BATOS, AVOS and MAWS and MetPod for their own
information.
DBCP-XXV: Twenty-fifth Session of the Data Buoy Cooperation Panel,
Paris, France, 28 September - 1 October
David Meldrum, Chairman of the Data Buoy Cooperation Panel (DBCP)
advised that the next DBCP meeting will be held in September 2009 in
Paris. He expressed his wish that the 5 drifting buoy manufacturers
should be invited to attend through HMEI.
Oceanscope Workshop, Montreal, Quebec, Canada, 17-19 July 2009.
There was an announcement by the Co-Chair of SCOR/IAPSO WG 133:
OceanScope, a working group of the Scientific Committee on Ocean
Research (SCOR), of an open workshop for 2009 in Montreal. The workshop
focus is on the water column. The organiser would like this meeting to
bring together scientists and the instrument manufacturing community.
The Group Prospects states in regard to Oceanscope:
"In partnership with the merchant marine shipping industry develop an
integrated approach to the observation of the global ocean on regular
and sustained basis. This effort, which might be called ‘OceanScope’ -
to give it a name - will equip commercial ships with instrumentation to
automatically measure and report on currents and the physical, chemical
and biological state of the water column throughout the water-covered
planet. These data will in time become a fundamental resource for
studies of the climate and health of our planet.”
The website is:
http://www.scor-int.org/Working_Groups/wg133.htm. Tom Rossby (email:
trossby@gmail.com) can be
contacted for those interested in attending the Oceanscope Workshop.
HMEI
SUMMARY
- There is now a strong emphasis on high quality climate standard
measurements, as indicated by the extension of VOS Clim into the VOS.
- Instrument standardisation and accountability to potential ISO
standards is a strong factor in oceanographic measurements for
JCOMM/SOT.
- Coordinated interaction with manufactures via HMEI is now the norm.
HMEI stated, at the meeting, its willingness to cooperate and help
JCOMM/SOT wherever possible.
- Since 2007 the development of small, compact, expandable shipboard
AWSs, with easy installation and able to be moved from ship to ship (BAROS, BATOS, MetPod
and Vaisala MAWS) has been achieved. Now an Intercomparison of these is
necessary to ensure and quantify their accuracy.
- Industry participation is asked for at the JCOMM/SOT Oceanscope
Workshop.
The JCOMM
draft final report is available from this link.
Next Session of the SOT,
Perth Australia, 2011
The Team noted the kind offer from Australia to host the next SOT
meeting in Perth, in April or May 2011. The Team agreed to tentatively
host the next SOT Session as proposed by
Australia.
Closing of the conference
The conference closed 5.30pm on Friday, 22 May 2009
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