data buoy cooperation panel hester viola [email protected]
TRANSCRIPT
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DBCP statusDBCP status
• Status of the Buoy network globally
• Monthly reports and maps
• GTS data dissemination
• Deployment opportunities
• JCOMM and the International context
• WMO – sustained observing systems
• Iridium Pilot Project
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DBCP Global Network StatusDBCP Global Network Status
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DBCP Monthly reportsDBCP Monthly reports
• Monthly static maps – www.jcommops.org
MAP ROOM– JCOMM maps– DBCP maps of sensors, iridium
buoys, delays and barometer buoys
• Deployment opportunities – Monthly email to
• Buoy Quality Control feedback loaded into database
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DBCP interactive mapsDBCP interactive maps
• Monthly - http://w4.jcommops.org/website/DBCP/• Daily - http://w4.jcommops.org/website/DBCP_RT/ plus
7 day tracks• JCOMM map - http://w4.jcommops.org/website/JCOMM
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Web Map ServicesWeb Map Services
• Arctic Map Monthly - http://w4.jcommops.org/website/DBCPN/
http://w4.jcommops.org/wmsconnector/com.esri.wms.Esrimap?request=getMap&ServiceName=DBCPN&Service=wms
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GTS data disseminationGTS data dissemination
• WMO Global Telecommunication System used to disseminate data in real time.
• Details on http://www.jcommops.org/DBCP/gts • Assistance from myself and CLS (Argos) to
share data easily.• Data checks:
– Metadata and timeliness www.jcommops.org or www.osmc.noaa.gov
– Data Quality control on http://www.meteo.shom.fr/qctools/ and via monthly statistics
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Deployment opportunities 08-Deployment opportunities 08-0909
• Argo Planning Map:
• Please: email JCOMMOPS with new opportunities - research cruises, ships travelling up to the Arctic etc
http://w4.jcommops.org/website/Argo, Plans(c)
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Number of Air Pressure reports on the GTS (Drifting Buoys) from 2002-2007
100000
150000
200000
250000
300000
350000
400000
06/2002 12/2002 06/2003 12/2003 06/2004 12/2004 06/2005 12/2005 06/2006 12/2006 06/2007 12/2007 06/2008
Month/Year
GT
S A
cc
ep
ted
Re
po
rts
Barometer BuoysBarometer Buoys
• JCOMM aims to have all buoys in high latitudes measuring Air Pressure
• Barometer Upgrades (SVPB) offered by drifting buoy manufacturers through financial support by the GDP (AOML)
http://www.jcommops.org/dbcp/svpb_upgrade.html
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JCOMM and the International JCOMM and the International contextcontext
• Two important meetings next year– Ocean Observations 09– JCOMM III
• New JCOMM website www.jcomm.info
• Enter contact details
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WMO Sustained observing systemsWMO Sustained observing systems
• WMO fully supports the ongoing efforts and
research coming from the IPY
• Sustained Arctic Observing Network
– 3 workshops in total (3rd one in October)
– www.arcticobserving.com
• WMO Congress (Cg-XV, 2007) established a
Global Cryosphere Watch (GCW).
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Iridium Pilot ProjectIridium Pilot Project
• Seeks to evaluate the feasibility of Iridium
technology for real-time telecommunication
of drifter data
– under various conditions e.g. in wide temperature
ranges, remote ocean areas and in rough seas,
where the buoy will be frequently submerged
• DBCP funds used to “upgrade” 50 Argos
buoys to Iridium ($500 each) to be deployed
worldwide, to allow inexpensive access to
Iridium Buoys
Metocean Iridium Buoy
NAL Research 9601 modem
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http://www.jcommops.org/dbcp/iridium-pp/http://www.jcommops.org/dbcp/iridium-pp/
• Number deployed so far: 73
• Number on GTS today: 44– Australia 2– India 2– USA 3– UK 3– France 4– ESURFMAR 30
• Need buoys in the Polar regions, Pacific ocean and central Atlantic
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FindingsFindings
• Arctic buoys
• Transmission and data format
• Timeliness / delays
• Positioning
• Buoy and Transmission costs
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Global Status May 2008Global Status May 2008
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Iridium Buoys in the ArcticIridium Buoys in the Arctic
• Météo France and SAMS both deployed Iridium buoys in the Arctic, and found:1. Iridium drifters didn't report
when the temperature was below -35C. SBD modem 9601 doesn't work below this temperature.
2. due to the cold conditions, the batteries drained faster than at mid-latitudes
Meteo France Buoy in the Arctic
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Data TransmissionData Transmission
Example of email received from Iridium with attached data in .sbd file
From: [email protected] To: [email protected], [email protected]: Fri, Jun 13, 2008 at 9:11 AMSubject: SBD Msg From Unit: 300034012620430
MOMSN: 1946 MTMSN: 0 Time of Session (UTC): Fri Jun 13 07:11:09 2008 Session Status: 00 - Transfer OK Message Size (bytes): 17
Unit Location: Lat = -16.278109 Long = 86.554414 CEPradius = 4
SBMmessage.sbd attached
Iridium transmission format (version 3.2) »
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Data Timeliness Results (1)Data Timeliness Results (1)
From E-SURFMAR Jean Rolland.5th DB-TAG-Reykjavik – 20th May-21st May
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Results (2)Results (2)
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PositionPosition
• For meteorological purposes, the Iridium Location is sufficiently accurate. (GPS not necessary)• Less drain on the battery • Less expensive
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COSTS (€)COSTS (€)
SVP-B TRANSMISSION
ARGOS 2150
(15 x 12 + 6 x365) = 2370
2835 (Tax included)
IRIDIUM SBD via Meteo
France2400
(13.30 x 12 + 0,028x24x365) = 404,88
485 (Tax included)
1€ = 1,50 $