Hydrology DWG workshop 2010-03-15-18

Location and Dates

  • Where: Ispra, Italy
  • Host: EU Joint Research Council
  • Dates: Mar 15-18, 2010
  • Rooms: tbd


  • Mar 15, AM-PM: WaterML 2 design group meeting?
  • Mar 15, 3-6 PM: Groundwater IE meeting
    • WaterML 2 status update
    • Web Services update
    • Clients update
  • Mar 16-17 AM-PM: HWDG Workshop


  • Participants: HDWG members only
  • HDWG Workshop registration: must be completed before Feb 22, 2010... click here to register
  • GW IE Meeting registration: to express your interest in participating Mar 15, 3-6 PM... click here to register

Notes on the GE IE discussion

  • WaterML 2

  • Timelines
    • June 14 deadline (OGC TC meeting) for WaterML2 beta
    • To be available to GW IE ~4 weeks before

  • Timeseries
    • Need instruction from P.Tayor on how to vary precision of date/time datatype in result (e.g. just day, month, other range, etc.)
    • Agreed to remove 'Anyscalar' datatype as result of timeseries observation, and create subclasses for different scalar types

  • Sampling/sampled feature
    • Issue: cannot uniquely link an observation to a particular sampled feature, because the intermediary sampling feature can be linked to multiple sampled features---tbd by the design group
    • Encoding of the feature: should it be by reference or in line?
      • tentative decision: do both within IE as part of the experiment. Inline (current) for June and both for December. URIs for the link to be a WFS call.
    • WaterML 2 featureOfInterest will be a samplingFeature
    • Should depth features such as water well screens be samplingFeature?
    • We might need to add a singled value time series.
    • Need to add accuracy code to result data structure
    • If we are to stand up a catalog, we need WaterML2 to be able to express the kind of result types

  • Other
  • Services
    • What all needs to be in place?

  • getCapabilities?
    • Need to make a change request. Pete Taylor will look at and distribute.

  • describeSensor?
    • boyan and eric will draw up conceptual model of sensor, sampling feature, sampled feature, method (procedure)

  • specimen and filters
    • issues with sos re: specimen model of O&M

  • R&D: Look at describeObservation.

  • Clients
    • Focussed testing from June to December.
    • Need to come up with client test (edge) cases. (Nate)
Topic revision: r5 - 24 Mar 2010, BoyanBrodaric
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