wmo core profile
DESCRIPTION
WMO Core Profile. of the ISO 19115 Metadata Standard Steve Foreman Chair IPET-Metadata Implementation. Contents. Data challenges facing meteorology What is “metadata”? WMO approach to metadata Implementation of the Profile. Data Challenges. Regional Associations. R.A. VI Europe - PowerPoint PPT PresentationTRANSCRIPT
WMO Core Profile
of the ISO 19115 Metadata Standard
Steve ForemanChair IPET-Metadata Implementation
2Meeting Name(c) 2006
Contents
• Data challenges facing meteorology
• What is “metadata”?
• WMO approach to metadata
• Implementation of the Profile
Data Challenges
4Meeting Name(c) 2006
Challenges facing WMO
Regional Associations
R.A. IR.A. IAfricaAfrica(56 Members(56 Members))
R.A.IIIR.A.IIISouth AmericaSouth America(13 Members)(13 Members)
R.A. VR.A. VSouth-West PacificSouth-West Pacific(22 Members)(22 Members)
R.A. VIR.A. VIEuropeEurope(49 Members)(49 Members)
R.A. IVR.A. IVNorth North America, America, Central Central AmericaAmericaAnd the And the CaribbeanCaribbean(25 (25 Members)Members)
R.A. IIR.A. IIAsiaAsia(35 Members)(35 Members)
5Meeting Name(c) 2006
Challenges for WMO
Technical CommissionsBasic 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)
6Meeting 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
8Meeting Name(c) 2006
WMO Core metadata
Discover
Temperature in Sweden?
Stockholm,please
Select
Retrieve
9Meeting 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 ?
10Meeting Name(c) 2006
WMO Core Profile
• Core metadata:– subset of full standard– most appropriate elements for field– some extensions to cover specific needs
11Meeting Name(c) 2006
Description of the dataset itselfWMO 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
12Meeting Name(c) 2006
Description of the dataset itselfWMO 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
13Meeting 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
14Meeting Name(c) 2006
Description of the dataset itselfWMO 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
15Meeting Name(c) 2006
Description of the dataset itselfWMO 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
16Meeting Name(c) 2006
Multiple Languages
English French
Hello Bonjour
Monday Lundi
Weather Temps
Cat Chat
Chat Parler
Implementation of Profile
18Meeting Name(c) 2006
Profile - implementations
Future
20Meeting Name(c) 2006
WMO Profile Future
• Features & Coverages– describe relationships
211620Z EGLL EGLL 211620Z 19007KT 170V230 9999 FEW038 BKN060 20/11 Q1020 NOSIG
Summary
22Meeting 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?
24Meeting Name(c) 2006
Description of the dataset itselfWMO 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
25Meeting 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
26Meeting Name(c) 2006
Description of the dataset itselfWMO 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
27Meeting Name(c) 2006
Description of the dataset itselfWMO 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