National Environmental Research Institute, University of Aarhus, Denmark GIS Guidance for WISE...

National Environmental Research Institute, University of Aarhus, Denmark

GIS Guidance for WISE

Update of the existing WFD guidance document no. 9 "Implementing the Geographical Information System Elements (GIS) of the Water Framework Directive"


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Outline

• Since last meeting• Time plan • Overview of chapters – gaps– questions / issues


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Since Madrid

• Included comments from MS and WISE TG• Overall review identifying gaps and

weaknesses in current status


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Time plan

• 12 Sept all chapters ready and compiled into 1 document

• 19 Sept – 17 Oct review by WG D• 24 Oct – 14 Nov updated document circulated

to SCG review (SCG meeting 5-6 Nov 2008)• 28 Nov final draft to Water Directors


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Time plan

12 Sept a challenge requiring:• fast agreements on drafting• Input from a wider group than consortium • Contributions and review of Guidance by

WISE TG most welcome / needed !


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Table of Contents 1/4

1- Introduction– Purpose of guidance– development of WISE via implementing WFD and other EU

water sector legislation– Terminology and abbreviations

CONCEPTUAL2 - GIS in WISE: developing common understanding

– Scope of GIS guidance and purpose of GIS in WISE– GIS requirements under WISE for:

• WFD and other EU water policy legislation (UWWTD, BWD, NiD, DWD, floods, priority substances, marine, etc)

• SoE• other


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3 - Definition of derived products (maps)– Types of WISE GIS datasets– Background visualisation for WISE viewer– Policy implementation visualisation– Compliance assessments visualisation– State of the Environment visualisation

4 - Principles of WISE compatibility and WISE interoperability– What is WISE-compatible?– Update of existing datasets– Creation of new datasets– Management of identifiers and codes


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5 - Technical descriptions– General approach for definition of datasets– Overview of GIS layers and their relationship– Data model definition– Hydrological Feature coding– Metadata implementation– Standards for data exchange– Web services


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6 - Harmonisation– Validation and harmonisation of geometry, data

definitions, data models, naming– Production of WISE reference GIS dataset.– Reference units for visualisation: rules,

definition, process

7 - Co-ordination and organisation– Involved organisations– Working procedures


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Appendices

• Appendix 1 Elements of the WFD relevant to GIS• Appendix 2 Technical specification of the update process• Appendix 3 WISE spatial data policy• Appendix 4 New data sets – 3rd party products and compilation of data from 3rd party products

• Appendix 5 Table of GIS datasets and layers in WISE• Appendix 6 Data dictionary• Appendix 7 Proposal for a European coding system for hydrological features• Appendix 8 Implementation of the hydrological feature coding by MS• Appendix 9 Vertical linkage of hydrological features (CCM2 – MS)• Appendix 10 Transfer of CCM2 Pfaffstetter Codes to hydrological features (a model)

• Appendix 11 Code-lists• Appendix 12 Detailed specifications for metadata• Appendix 13 Details of GML specification and recommendations on the application• Appendix 14 Detailed specification of validation and harmonisation procedures• Appendix 15 Technical specifications of WISE reference GIS datasets• (New) Appendix 16 Common metadata elements for WISE specifications• (New) Appendix 17 Template or example of short GIS guidance to a specific reporting• (New) Appendix 18 Explanations end examples regarding ID management


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Priority chapters

3.1 Reference datasets (maps)4.1 What is WISE compatible?4.2 Update of existing datasets4.3 Creation of new datasets5.1 General approach for definition of datasets5.2 Overview of GIS layers and their relationships5.3 Data model definition5.4 Feature coding5.4.1 General principles5.4.2 Implementation of coding of surface waters5.5 Metadata implementation


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Challenges

• INSPIRE IR and Best practice is not yet ready– Technical specification details are missing – Technical tools have not yet been developed

• Previously developed specifications do not necessarily comply with INSPIRE recommendations

• Specifications are continuously being added and adjusted


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Gaps – Ch 2.3 GIS requirements under WISE

• Is level of detail correct:– Policy area, e.g. WFD– Product type, e.g. Management units– Data product name, e.g. River Basin Districts– Geometry type, e.g. polygon– Reported by MS, e.g. 2006

• Acceptable with overlap to chp 5.2 ?• Should layers beyond MS reported data be

mentioned?


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3.1 Types of WISE GIS datasets

• Modified title• Rename “Other GIS datasets” to “Other MS

reported GIS datasets”• Move sec. 3.1.3 > 6.2• Should “River Basins” be defined as WISE

Reference GIS dataset ?


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Ch. 3.2 – 3.5 Visualisations

Wishes for promoted examples:• Background visualisation EEA• Policy implementation – ENV• Compliance assessment – ENV• State of the Environment – EEA• Wise as a SEIS node


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5.1 General approach for definition of datasets

Gap:• Recommendation on handling of multilingual

aspects:– Character sets applied– Local names in local character set– Local names ASCII– English name

• Input from TW-Hydro; Miroslav


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5.2 Overview of GIS layers

• Update to INSPIRE terminology• Missing relationship overview, e.g. fig. in

5.3.5


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5.3 Data model

Gaps:• %description of relation to Application schema%• %Guidance on transfer from current data models to

INSPIRE application schemas%• Short intro to UML notation (subclass, associations,

class name, attributes, (constraints)• Description of difference btw. hydrological and non-

hydrological classes (Management units ?) • Reference to reporting XML schemas (in namespace

[wise.europa.eu]


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5.3 Data model

• Should WISE conceptual model :– Input on its establishment / maintenance


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5.5 Metadata

• Refocus stronger towards INSPIRE• Use-case related to update / interrelated data sets:

– An example from Member State A :– uploads at time M WFD art. 3 data on River Basin Districts– uploads at time N WFD art. 5 data on water bodys related to

River basin District from time M– WISE prepare a Reference version of RBD's and WB's– A revise and upload River Basin Structure at time O– uploads at time P WFD art. 8 data on Monitoring Stations

related to RBD's and WB's at time O

– How does the Member State in the metadata declare the relationship between art. 8 data and the updated versions of art. 3 and 5. ?


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5.5 Metadata

• Include in metadata profile option for specifying “Data product specification” e.g. by reference to a namespace [wise.europa.eu/schemas] with versions of application schemas

• Who and how are metadata maintained• Generating metadata to already delivered

data • Metadata for discovery, keywords - Glossary


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Metadata

• ? New appendix with proposals for preferred values for metadata elements to ensure consistent application

• ? New appendix with template for short GIS specifications, GW , BW etc.


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5.6 Standards for data exchange

Gaps:• Short overview of GML profile• Specific recommendations on GML profile,

see questions in current chapter text• ? Appendix 13 Details of GML specification

and recommendations on the application


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5.7 Web services

Gap:• Overview of which services are provided by

which actors• What will WISE portal implement• Tagging WSO with WSDL ?• Examples of service profiles• How to handle MS data services outside

primary WISE data specifications ?


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6.1 Validation and harmonisation

Gap:• Overview diagram of entire process:– MS harmonisation to WISE specs– Validation of MS submission– EU harmonisation of submitted data

• Adding attributes / values for management purposes• Additional geometric harmonisation• EU level codes if missing• Production / update of WISE reference GIS datasets

– Production of other generalised products


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6.1 Validation and harmonisation

• Are specific validations steps needed in relation to update of datasets ?

• Naming convention of files to include date?


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6.2 Production of WISE reference GIS datasets

• ? Current ch 3.1.3 sufficient• The dissemination of the reference datasets:– only electronic communication, (download and

web-services)

– Be clear on scale/accuracy of product according to the reporting sheets


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6.3 Reference units for harmonisation

• New primary author UBA


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Appendix 5 Table of GIS datasets and layers in WISE

• EEA - Should “Background layers” and “External data sets” be cut out of appendix ?

• Update / inclusion of dataspecs from other Water directives !


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Appendix 6 Data dictionary

Gaps:• WISE reference GIS dataset• Background layers• External datasets

Is an update necessary as an outcome of “4.2 update of datasets” and “4.4 Management of identifiers and codes” ?

National Environmental Research Institute, University of Aarhus, Denmark GIS Guidance for WISE...

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