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GroMoPo Metadata for Groundwater Model for the Netherlands

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Created: Feb 08, 2023 at 2:45 a.m.
Last updated: Feb 08, 2023 at 2:46 a.m.
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This publication discusses the computer program development of the "Groundwater Model for the Netherlands (LGM)". The publication is also intended to be a user's guide. It describes the various steps to be taken and procedures to be observed throughout the modelling process while applying LGM. LGM is a coupled system of so-called AQ-computer program packages and the Geographic Information System (GIS). The communication between the AQ-environment and the GIS-environment is based on ASCII files. The AQ programs are based on the numerical technique of finite elements (triangles and quadrilaterals). The saturated multi-aquifer geohydrological system consists of a series of aquifers separated by aquitards. Presently, the main output of simulations with LGM are maps of groundwater heads in aquifer, flux between the upper boundary of the geohydrological system and the top system, and fluxes across the aquitards. LGM can be used to assess the effect of various stresses upon the geohydrological system, for example due to changes in groundwater abstraction. LGM proves to be an efficient and versatile tool to address various types of geohydrological problems.

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
Depth Unsure
Scale 10 001 - 100 000 km²
Layers 2-5 layers
Purpose Groundwater resources;Groundwater contamination
GroMoPo_ID 137
IsVerified True
Model Code AQ-FEM
Model Link
Model Time SS
Model Year 1992
Model Authors RIVM
Model Country Netherlands
Data Available Report/paper only
Developer Email
Dominant Geology Unconsolidated sediments
Developer Country Netherlands
Publication Title Groundwater Model for the Netherlands. Mathematical Model Development and User's Guide
Original Developer No
Additional Information The Groundwater Model for the Netherlands (LGM, currently newest version 4) is a model for the simulation of quantity and quality aspects of saturated groundwater systems. LGM was developed by the National Institute of Public Health and the Environment, RIVM (Pastoors, 1992; Kovar et al., 1992) and applied in various studies.
Integration or Coupling Surface water;Water use;Water management
Evaluation or Calibration Dynamic water levels
Geologic Data Availability

How to Cite

GroMoPo, E. Leijnse (2023). GroMoPo Metadata for Groundwater Model for the Netherlands, HydroShare,

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


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