Ships Metadata WMONo 47 PMOIII 23 24 March

Ship’s Metadata & WMO-No. 47 PMO-III, 23 -24 March 2006, Hamburg, Germany. Graeme Ball VOS Program Manager, Australia Chairman, Ship Observations Team

PMO-III, 23 -24 March 2006, Hamburg. Outline 2 v The need for ship’s metadata. v Operational Needs for WMO-No. 47 (Pub 47). v Requirements of Pub 47. v Planned changes to Pub 47. v Introduction of new Pub 47.

PMO-III, 23 -24 March 2006, Hamburg. The Need for Ship’s Metadata v Assessing the quality of observed data: • Equipment types & exposure; • Methods of observations; and • Frequency of inspections & instrument performance checks. 3 v Used in climate change investigations. v Used in research: • Modeling the wind flow over ships; • Comparing sensor types; and • Comparing instrument models and manufacturers.

PMO-III, 23 -24 March 2006, Hamburg. Operational Needs for Pub 47 v Basis of a new monitoring report produced by UKMO. v Assists in determining the status of foreign ships. v Assists PMOs preparing to visit a foreign VOS ship. v Identifies potential ships: • • • 4 For VOS Recruitment; To participate in SOOP or ASAP; and To deploy drifting buoys or profiling floats.

PMO-III, 23 -24 March 2006, Hamburg. Pub 47 Requirements v What ? • Metadata for the entire national VOS fleet; and • List of nationally defined shipping routes. v When ? • Quarterly, ideally at the end of March, June, Sept & Dec. v How ? • Comma delimited files in the 2002 format (ver. 2); and • By email to pub 47@wmo. int. 5

PMO-III, 23 -24 March 2006, Hamburg. Planned Changes to Pub 47 6 v Task Team on WMO-No 47, established at SOT-II (London, July 2003). v 22 page proposal to ETMC-I (Gdynia, July 2004). v Recommendations and comments from ETMC-I presented at SOT-III (Brest, March 2005). v Final proposal from SOT-III to JCOMM-II (Halifax, September 2005).

PMO-III, 23 -24 March 2006, Hamburg. ETMC-I Final Report 7 v …. that mobile units, at least on a temporary basis shall be reported in Pub 47. v …. fixed platforms should be subject to ODAS metadata requirements. v Basically supported all of the recommendations from the Task Team on WMO-No. 47.

PMO-III, 23 -24 March 2006, Hamburg. JCOMM-II Final Report 8 v Noted with approval the changes developed and implemented by the SOT ……. to the contents of the existing code tables associated with WMO-No. 47. v …. . to implement modifications to the definitions and details of the fields (and format) of WMO-No. 47, and to initiate preparation …. of a version of …. XML for the future exchange of the metadata for WMO-No. 47.

PMO-III, 23 -24 March 2006, Hamburg. JCOMM-II Final Report 9 v Noted with approval the adoption …. of a semi-colon delimited format for the immediate current exchange of the metadata for WMO-No. 47. v …. SOT would be the subsidiary body of JCOMM responsible for the future maintenance of WMO-No. 47, in consultation as appropriate ….

Changes to Existing Tables PMO-III, 23 -24 March 2006, Hamburg. 10 FIELD DESCRIPTION CHANGE vssl Type of vessel New table selections. barm Type of barometer New table selections. thm. E & hyg. E Thermometer & hygrometer exposure Descriptions. barg Type of barograph or method of obtaining pressure tendency Field definition New table selection. vssl. M Type of meteorological reporting vessel Revised table selections. brm. L Barometer location Description and new table selection. rte Routes Consolidated global list. oth. I Other meterological/oceanographic instruments New table selections. vssl. P Digital image Description. footnotes Descriptions. tscale General temperature reporting practice Revised table selections. vssl. D Vessel dimensions Improved descriptions.

PMO-III, 23 -24 March 2006, Hamburg. Changed Field Definitions 11 FIELD FROM TO pr. ST Teleprinter and Satellite system for transmitting observations chtvssl. D Average Cargo Height Maximum Cargo Height above SLL

PMO-III, 23 -24 March 2006, Hamburg. New & Deleted Fields NEW FIELDS WITH ASSOCIATED TABLES FIELD anm. T freq an. SC DESCRIPTION Type of anemometer Scheduled observing frequency Side indicator of the fixed anemometer from the centre line, if appropriate DELETED FIELDS AND ASSOCIATED TABLES FIELD ph. Gr 12 DESCRIPTION Radiotelephony and Radiotelegraphy

PMO-III, 23 -24 March 2006, Hamburg. FIELD New Fields ver DESCRIPTION Version of the Pub 47 format (this version = 03). anm. M Make and model of the anemometer. aws. M Make and model of the Automatic Weather Station. aws. P Name and version of the AWS processing software. aws. C Name and version of the AWS data entry/display software. log. E Name and version of the electronic logbook software. vos. R Recruitment date of the current VOS participation. vos. D De-recruitment date of the last VOS participation. vclm. R Last VOSClim recruitment date (since vos. R). vclm. D Last VOSClim de-recruitment date (since vos. R). reg Country of registration. New semi-colon delimited format 13

PMO-III, 23 -24 March 2006, Hamburg. Improved Documentation Vessel Dimensions 14 Length overall of the ship, ignoring bulbous bow Breadth Moulded breadth. Greatest breadth amidships Freeboard The average height of the upper deck above the maximum Summer load line Draught The average depth of the keel below the maximum Summer load line Cargo height Maximum height above the maximum Summer load line. Instrument height/depth Height above, or the depth below the maximum Summer load line, except for field 32 (an. HD).

Vessel Layout Diagram PMO-III, 23 -24 March 2006, Hamburg. 15

PMO-III, 23 -24 March 2006, Hamburg. e. Xtensible Markup Language 16 v XML is a text-based format, from the same family that includes HTML. v Widely used to transfer data, particularly metadata, via the internet. v The semi-colon delimited Pub 47 file exchange will be retained until XML exchange is used exclusively by all VOS operators.

PMO-III, 23 -24 March 2006, Hamburg. Benefits of XML 17 v Standard method of data exchange over the internet. v User-defined structure, flexible. v Data assembled logically in hierarchical groups. v Self-describing, readable in a web browser. v Sample XML file.

PMO-III, 23 -24 March 2006, Hamburg. Introduction of New Pub 47 v Task Team on WMO-No. 47 to propose a consolidated list of shipping routes at SOT-IV (Rome, April 2007). v New version (Ver. 3) to be effective from 1 July 2007: • Database structure at WMO; • Semi-colon delimited file exchange; and • XML file exchange. v Presentation of Pub 47 metadata on WMO website: • TBA by WMO. 18

PMO-III, 23 -24 March 2006, Hamburg. 19