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GroMoPo Metadata for Coastal heterogeneous aquifer model

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Created: Feb 07, 2023 at 8:04 p.m.
Last updated: Feb 07, 2023 at 8:05 p.m.
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Coastal plains are in the frontline of climate change. Predicted increase in recharge and sea level rise will alter groundwater flow, water quality distribution, recharge, and discharge considerably. This is simulated here in the Belgian western coastal plain. lt consists of a shore, dunes, and polder (low-lying area) with a heterogeneous groundwater reservoir of quaternary age. A three-dimensional density-dependent groundwater flow model based on numerous (hydro)geologic observations was made. First the current groundwater flow and distribution between fresh and salt water was simulated. Then the effects of a 15% recharge increase and 0.4 m of sea level rise in the next 100 years were modelled. Sea level rise results in an increased flow of fresh water toward the polder and a decreased flow toward the sea. An increase in recharge results in more water flowing toward both the polder and the sea. Brackish water present in the polder will be pushed back as is a current saltwater intrusion from the polder in the dunes. The simulations also show that groundwater levels will rise. This will put strain on the ecologically valuable dunes and the drainage system in the polders.

Subject Keywords



Coordinate System/Geographic Projection:
WGS 84 EPSG:4326
Coordinate Units:
Decimal degrees
Place/Area Name:
North Latitude
East Longitude
South Latitude
West Longitude


Additional Metadata

Name Value
DOI 10.2112/05-0447.1
Depth 30
Scale 11 - 101 km²
Layers 11-15 layers
Purpose Groundwater resources;Climate change;Salt water intrusion
GroMoPo_ID 123
IsVerified True
Model Link
Model Time 2010-2100
Model Year 2006
Model Authors A. Vandenbohede, K. Luyten, L. Lebbe
Model Country Belgium
Data Available Report/paper only
Developer Email
Dominant Geology Unconsolidated sediments
Developer Country Belgium
Publication Title Effects of global change on heterogeneous coastal aquifers: A case study in Belgium
Original Developer No
Additional Information
Integration or Coupling Solute transport
Evaluation or Calibration Dynamic water levels
Geologic Data Availability

How to Cite

GroMoPo, D. Zamrsky (2023). GroMoPo Metadata for Coastal heterogeneous aquifer model, HydroShare,

This resource is shared under the Creative Commons Attribution CC BY.


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