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opengeospatial / Geotech

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FluidBodySurface #16

Open mbeaufils opened 2 years ago

mbeaufils commented 2 years ago

Source definition : OGC GroundWaterML2 also candidate for IFC

A surface on a fluid body within a local or regional area, e.g. piezometric, potentiometric, water table, salt wedge, etc.

neilchadwick-dg commented 2 years ago

Good that we have this - this subject area can be tricky to deal with.

Water tables and piezometric surfaces do have an unnerving tendency to move up and down, which is perhaps more of a real life problem that a problem for our model. Also, piezometric surfaces in artesian conditions are interesting!

It would be interesting to see example of how these are dealt with in real life models (the hydrogeologists should know best - do we have any on here?)

Probably need to read OGC GroundWaterML2. Do we know who is using this?

neilchadwick-dg commented 2 years ago

I think this term should be reserved for (what I refer to as) observational models.

We may need to new item for such surface intended for design/analysis , i.e. analogous to the (correct) separation between geological unit and geotechnical unit.

mbeaufils commented 2 years ago

It would be interesting to see example of how these are dealt with in real life models (the hydrogeologists should know best - do we have any on here?)

Probably need to read OGC GroundWaterML2. Do we know who is using this?

Well there is exactly a joint OGC - WMO workshop organised today (March 10th) on that topic. See here

At least, Geological Surveys from Canada, US and in Europe use it.

AC107 commented 2 years ago

Your timing is perfect. It just started 😊

— Allen Cadden / Principal

From: Mickaël Beaufils @.> Sent: Thursday, March 10, 2022 7:27 AM To: opengeospatial/Geotech @.> Cc: Subscribed @.***> Subject: Re: [opengeospatial/Geotech] FluidBodySurface (Issue #16)

It would be interesting to see example of how these are dealt with in real life models (the hydrogeologists should know best - do we have any on here?)

Probably need to read OGC GroundWaterML2. Do we know who is using this?

Well there is exactly a joint OGC - WMO workshop organised today on that topic. See herehttps://hydrohub.wmo.int/en/news-events/wmo-ogc-workshop-groundwaterml2-standard

At least, Geological Surveys from Canada, US and in Europe use it.

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denevers commented 2 years ago

There is a good example (well commented) of a FluidBody here

http://schemas.opengis.net/gwml/2.2/instances/GW_FluidBody-BoM_uc5-mapping-v2_2.xml