OGC_report_June23

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OGC/WMO Hydrology Domain Working
Group
What is the OGC?
• The Open Geospatial Consortium, Inc. (OGC) is a nonprofit, international voluntary consensus standards
organization that is leading the development of standards
for geospatial and location based services.
– The OGC facilitates a consensus process in which government,
private industry, NGOs, and academia collaborate to create open
and extensible software application programming interfaces for
geospatial and other mainstream information technologies
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History - Perspective
• 1969 – Internet “Invented”. Carl generates his first computer map .
Intergraph, LaserScan, and ESRI begin business.
• 1974 – Email Invented
• 1993 - First Web Mapping Application (Xerox)
• 1994 – OpenGIS Consortium Founded
• 1994 – Netscape formed
• 1996 – XML Developed Started.
• 1996 – Mapquest comes on-line.
• 1998 – First OpenGIS® Specification adopted.
• 1998 - Google Started Business
• 1999 – First OGC Web Mapping Test bed.
• 2000 – Web Map Service Interface Spec 1.0 approved
• 2005 – (June) Google Earth Launched
• 2005 - (July) MS Virtual Earth Launched
• 2007 – The “Neogeography” term coined
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Benefits of open standards
• Prevents a single group from controlling a standard
• Facilitates competition
• Stimulates innovation
• Customers benefit from not being locked into a particular
supplier.
Source: Open Standards, Open Source, and Open Innovation: Harnessing the Benefits of
Openness, April 2006. Committee For Economic Development. www.ced.org
Integral part of CI;
Requirement for CI sustainability and extensibility, esp. with 3rd party components
AND - CI efforts are also a way to inform standards development
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Hydrology Domain Working Group
• A joint working group of the OGC and WMO constituted as
an OGC Domain Working Group.
• Brings together interested parties to develop and promote
the technology for greatly improving the way in which water
information is described and shared.
• Co-chaired by representatives nominated by the OGC TC
and the World Meteorological Organisation’s (WMO)
Commission for Hydrology (CHy).
• Current Co-Chairs: Ilya Zaslavsky (SDSC), Ulrich Looser (GRDC)
and David Lemon (CSIRO)
• > 50 Participants, > 30 Organisations
• Public mailing list https://lists.opengeospatial.org/mailman/listinfo/hydro.dwg
• Twiki http://external.opengis.org/twiki_public/bin/view/HydrologyDWG
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Expected Outcomes
• An agreed feature model (ie. what are the features of the
hydrosphere (from an information perspective) and how are
they related.)
• An agreed observation model.
• Agreed vocabularies, endorsed by the community, and by
WMO in particular. Agreeing on semantics is a long
process, but we should be able to recommend some
vocabularies
• Also: services carrying the above
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© 2009 Open Geospatial
6
Consortium, Inc.
Iterative Development
Feedback to
standards and
services
Hydro-DWG
workplan priority
Development
Focus
Improve
Observation Model
Conclude IE
Demonstration
Feature Model
Develop
IE
Vocabularies
Demonstrate
Services stack
Plan
Do
Thanks to Peter Fitch
for this slide
Complete
IE
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HDWG Agenda, Silver Spring Meeting, June 14-18
• 1. Introduction, results of Ispra (co-chairs), IEs and WaterML
– 8-8:20: David Lemon, HydroDWG planning and next steps
– 8:20-9:40: WaterML 2 and Harmonization Report updates (Pete Taylor and the
WaterML 2 design group)
– 9:40-9:50 Groundwater IE update (Nate Booth); Surface Water IE announcement and
kick-off invitation (Peter Fitch)
• 2. Presentations
– 10-10:25: Mark Nardi (USGS) - Water use data management at USGS: information
model, implementations, prospects of water use science.
– 10:24-10:45: Roland Viger and Nate Booth (USGS) - Using existing and emerging
OGC standards to support hydrologic models.
– 10:45-11:05: Ben Domenico (UNIDATA) - Managing point time series in netCDF/DAP
– 11:05-11:30: John Halquist (NOAA), Peter Gijsbers (Deltares) - Operational
hydrologic forecasts and infrastructure operation: use cases and requirements;
-- Pedro Restrepo (NOAA) - Interagency Water Resources Science and Services
Initiative
– 11:30-11:45: Michael Piasecki (Drexel University), Ilya Zaslavsky (SDSC) - CUAHSI
Hydrologic parameter ontology
• 3. Discussion and motions
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Expectations
• Getting WaterML 2 into standardization pipeline (and
defining what this pipeline should be)
• Assessing how complete the Harmonization report is, and
engaging more participants
• Expansions of WaterML testing, within the resources we
can align:
–
–
–
–
–
–
Hydrologic forecasting
Water use
Water quality and ontology work
The services stack, and recommended WaterML 2 transition
Standardizing hydrologic catalog interfaces
Alignment with MetOcean work
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© 2010 Open Geospatial
9
Consortium, Inc.
Actions
• Move WaterML 2.0 to RFC package, form SWG, prepare to
release for public comment and adoption
• Hydro DWG to discuss future scope of WaterML, given the
started and planned IEs
– Groundwater IE (ongoing)
– Surface water (kicked off 6/16) – Peter Fitch will present
• People to register interest in joining the RFC submission
• Discussion between IE’s on service implementations
– Develop ‘best practice’ / plan of attack to reduce redundancy of work
– Sharing of implementations
– Develop ‘best practice’ path for WaterML 2 adoption
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© 2010 Open Geospatial
10
Consortium, Inc.
Components of an Ideal
Water-Use Database System
1.
Conveyance-based data storage in a relational
database
relational data meet a predetermined level of completeness and
quality
2.
Incorporates differing geometries for partitioning of
water quantities
points of use, distribution/collection areas, land applications, etc.
3.
Ontology for handling naming variations
4.
Detailed associations of Sites with hydrologic Resource
features
Components of an Ideal
Water-Use Data System (cont.)
6.
Store related Quantities that result from the use of water
Acres irrigated, kilowatts generated, population served
Quantity
Conveyed
Acres
Irrigated
7.
8.
9.
10.
Bushels
per
Water Q
Out of
basin
transfer
Ability to incorporate or associate with Regulatory and Permit data
Blue Water/Green Water Components
Spatial (GIS) Component & Common Languages
What Else?
Other OGC Connections
• USGS ITIS: http://biology.usgs.gov/bio/itis.html
– Integrated Taxonomic Information Systems
• NASA Sensor web
– Many water-related projects
Other activities
•
•
•
•
•
Azure proposal
Data carts, generating themes from HISCentral based on criteria
HydroDesktop: unit tests, bug fixes, performance of services
Support of Yoori’s work, for Irvine workshop
HISCentral and the catalog: documented; mappings; optimization of
services (indexes, stored procedures, etc.); rewritten harvester
• Installed iRODS, federated with Renci
• OLAP support of WEAP work at CUAHSI
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