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Include (discontinuous) layers with different depths (bottom and top)
E Breejen, modified 2 Years ago.
Include (discontinuous) layers with different depths (bottom and top)
Youngling Post: 1 Join Date: 10/11/22 Recent Posts
I would like to include the subsurface of Groningen in my iMOD-model to model Groundwater flow and calculate hydraulic head changes due to groundwater extraction..
I have a 3D model of 40-40km and a depth of 400m.
I have discontinuous layers in my model: younger layers have filled the gaps (incisions) of the older/deeper layers below. The model doesn’t understand these "gaps" where the layers above should fill those “gaps” of the layers below (see picture).
How should I tackle this situation to build a realistic model?
Thank you,
Ed, Master student hydrology
I have a 3D model of 40-40km and a depth of 400m.
I have discontinuous layers in my model: younger layers have filled the gaps (incisions) of the older/deeper layers below. The model doesn’t understand these "gaps" where the layers above should fill those “gaps” of the layers below (see picture).
How should I tackle this situation to build a realistic model?
Thank you,
Ed, Master student hydrology
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Frans Roelofsen, modified 2 Years ago.
RE: Include (discontinuous) layers with different depths (bottom and top)
Padawan Posts: 51 Join Date: 11/11/13 Recent Posts
At the moment we at Deltares only build ground water models using MODFLOW 6. In Modflow 6 all models are full 3D and the advantage is that in MODFLOW6 allows layers with thickness = 0. In the former Modflow2005 thickness of 0 was not possible. Then we had to give none exitsing layers a dummy thickness.
So in Modflow6 your model with gaps are possible. So you just set the TOP elevation of non existing layers equal to the BOT elevation
So in Modflow6 your model with gaps are possible. So you just set the TOP elevation of non existing layers equal to the BOT elevation