1. Copyright © 2008, Open Geospatial Consortium, Inc., All Rights Reserved. Hydrology DWG/ad hoc 67th OGC Technical Committee Valencia, Spain Simon Cox December 4, 2008 Sponsored by Instituto Geográfico Nacional (IGN of Spain)

2. Helping the World to Communicate Geographically Copyright © 2008, Open Geospatial Consortium, Inc., All Rights Reserved. Agenda Report on WMO CHy meeting –David Arctur, OGC Hydrology DWG Charter Discussion –Scope –Modifications to charter if required A hydrology framework – an example of the challenge of managing dependencies in framework datasets –Rob Atkinson, CSIRO WaterML harmonization report –Simon Cox, CSIRO GRDC Hydrologic metadata profile –Simon Cox, CSIRO (on behalf of Ulrich Looser, GRDC) Other reports Motion to TC to form Hydrology DWG

3. Helping the World to Communicate Geographically Copyright © 2008, Open Geospatial Consortium, Inc., All Rights Reserved. Justification OGC member interest WMO-CHy interest (Bruce Stewart) –“Can you do this thing which we don’t seem to be able to do ourselves” –Help with methodology & continuity, process Hydrology has strong X-Domain requirements Clear relationship with other OGC activities –SWE –GALEON Domain modelling exemplar Help generate reference model/best practice for framework datasets Can the OGC methodology develop a product which is adoptable by an international authority? How is this all different to a conventional OGC DWG? Coordination & community representation Do we need a different kind of WG within OGC?

4. Helping the World to Communicate Geographically Copyright © 2008, Open Geospatial Consortium, Inc., All Rights Reserved. Charter issues Joint committee with CHy –Explicitly reserve co-chair for WMO CHy nominee Visible linkage to WMO is evidence to the community that this activity has a plausible mandate –Co-branded specifications? DWG –Charter to note that will make regular reports to ESS + tech working groups Allow for participation of non-members of OGC and/or an OGC Interoperability Experiment (Side effect: Hydrology as an exemplar of a methodology which contributes to development of a SDI design and maintenance process)

5. Helping the World to Communicate Geographically Copyright © 2008, Open Geospatial Consortium, Inc., All Rights Reserved. Other interested parties and initiatives WISE

6. Helping the World to Communicate Geographically Copyright © 2008, Open Geospatial Consortium, Inc., All Rights Reserved. WaterML v2 progress Harmonization of CUAHSI WaterML + O&M (etc) CSIRO + CUAHSI (SDSC) have commenced work Activity leads: –Peter Taylor (CSIRO) –David Valentine (SDSC) –+ Simon Cox, Gavin Walker (CSIRO), Bora Beran (Microsoft) Aiming at June 2009 for completed draft.

7. Helping the World to Communicate Geographically Copyright © 2008, Open Geospatial Consortium, Inc., All Rights Reserved. Actions Charter revision –DavidA to tweak/revise charter (r2) in view of today’s discussion –Josh + Clemens + Rob to comment on r2 Defer formal initiation of Hydrology WG to next TC Initiate an IE –MarkR suggesting …

8. Helping the World to Communicate Geographically Copyright © 2008, Open Geospatial Consortium, Inc., All Rights Reserved. Motions Sample Motion: The recommends that the OGC Technical Committee approve release of “ ” as an OGC Document –Pending and final edits and review by OGC staff – –Motion: –Second: –If there is a hand vote, the results of the vote. Otherwise, the phrase should be used