WMO Core Profile of the ISO Metadata Standard Steve Foreman Chair IPET-Metadata Implementation

2 Meeting Name (c) 2006 Contents Data challenges facing meteorology What is “metadata”? WMO approach to metadata Implementation of the Profile

Data Challenges

4 Meeting Name (c) 2006 Challenges facing WMO

5 Meeting Name (c) 2006 Challenges for WMO Technical Commissions Basic Commissions  Commission for Basic Systems (CBS)  Commission for Instruments and Methods of Observations (CIMO)  Commission for Hydrology (CHy)  Commission for Atmospheric Sciences (CAS) Applications Commissions  Commission for Aeronautical Meteorology (CAeM)  Commission for Agricultural Meteorology (CAgM)  Joint WMO/IOC technical Commission for Oceanography and Marine Meteorology(JCOMM)  Commission for Climatology (CCl)

6 Meeting Name (c) 2006 What is metadata? In this context it is not –the conditions at an observing site although –these can be described by metadata

WMO Approach

8 Meeting Name (c) 2006 WMO Core metadata Discover Temperature in Sweden? Stockholm, please Select Retrieve

9 Meeting Name (c) 2006 WMO approach to metadata Build on existing standards –WMO GRIB and BUFR definitions –ISO 191xx series –Geographic metadata (19115) –XML representation (19139) –Open Geospatial Consortium Catalog service ?

10 Meeting Name (c) 2006 WMO Core Profile Core metadata: –subset of full standard –most appropriate elements for field –some extensions to cover specific needs

11 Meeting Name (c) 2006 Description of the dataset itself WMO Core Profile Metadata record Data Usage Quality Description of the metadata record for the dataset Restrictions on how the data can be used Quality assurance information Profile - topics

12 Meeting Name (c) 2006 Description of the dataset itself WMO Core Profile Metadata record Data Usage Quality Restrictions on how the data can be used Quality assurance information Identifier for metadata Date metadata created Language & character set of metadata Metadata standard used Co-ordinate systems used in metadata Profile – Metadata

13 Meeting Name (c) 2006 WMO Core Profile Metadata record Data Usage Quality Description of the metadata record for the dataset Restrictions on how the data can be used Quality assurance information Abstract Topic Keywords (used to list parameters) Area and time covered by data Language of data Reference (eg URL) Point of contact How to get data – format, who to ask Profile - Data

14 Meeting Name (c) 2006 Description of the dataset itself WMO Core Profile Metadata record Data Usage Quality Description of the metadata record for the dataset Quality assurance information Permitted use (eg essential or additional data) Time constraints (eg TAF validity) Security Profile - Usage

15 Meeting Name (c) 2006 Description of the dataset itself WMO Core Profile Metadata record Data Usage Quality Description of the metadata record for the dataset Restrictions on how the data can be used Processing done on data High level quality assessment of data Profile - Quality

16 Meeting Name (c) 2006 Multiple Languages EnglishFrench HelloBonjour MondayLundi WeatherTemps CatChat Parler

Implementation of Profile

18 Meeting Name (c) 2006 Profile - implementations

Future

20 Meeting Name (c) 2006 WMO Profile Future Features & Coverages –describe relationships Z EGLL EGLL Z 19007KT 170V FEW038 BKN060 20/11 Q1020 NOSIG

Summary

22 Meeting Name (c) 2006 Summary Needed to make more use of data Profile based on ISO standard Version 1 for discovery Later versions –more detail –services

Questions?

24 Meeting Name (c) 2006 Description of the dataset itself WMO Core Profile Metadata record Data Usage Quality Restrictions on how the data can be used Quality assurance information Identifier for metadata Date metadata created Language & character set of metadata Metadata standard used Co-ordinate systems used in metadata Profile – Metadata

25 Meeting Name (c) 2006 WMO Core Profile Metadata record Data Usage Quality Description of the metadata record for the dataset Restrictions on how the data can be used Quality assurance information Abstract Topic Keywords (used to list parameters) Area and time covered by data Language of data Reference (eg URL) Point of contact How to get data – format, who to ask Profile - Data

26 Meeting Name (c) 2006 Description of the dataset itself WMO Core Profile Metadata record Data Usage Quality Description of the metadata record for the dataset Quality assurance information Permitted use (eg essential or additional data) Time constraints (eg TAF validity) Security Profile - Usage

27 Meeting Name (c) 2006 Description of the dataset itself WMO Core Profile Metadata record Data Usage Quality Description of the metadata record for the dataset Restrictions on how the data can be used Processing done on data High level quality assessment of data Profile - Quality