GroMoPo Metadata for Olgod region MODFLOW model

Authors:

GroMoPo Daniel Kretschmer

Owners:

gromopo_admin

Type:

Resource

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The size of this resource is 1.5 KB

Created:

Feb 08, 2023 at 1:46 p.m.

Last updated:

Feb 08, 2023 at 1:46 p.m.

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Abstract

Uncertainty of groundwater model predictions has in the past mostly been related to uncertainty in the hydraulic parameters, whereas uncertainty in the geological structure has not been considered to the same extent. Recent developments in theoretical methods for quantifying geological uncertainty have made it possible to consider this factor in groundwater modeling. In this study we have applied the multiple-point geostatistical method (MPS) integrated in the Stanford Geostatistical Modeling Software (SGeMS) for exploring the impact of geological uncertainty on groundwater flow patterns for a site in Denmark. Realizations from the geostatistical model were used as input to a groundwater model developed from Modular three-dimensional finite-difference ground-water model (MODFLOW) within the Groundwater Modeling System (GMS) modeling environment. The uncertainty analysis was carried out in three scenarios involving simulation of groundwater head distribution and travel time. The first scenario implied 100 stochastic geological models all assigning the same hydraulic parameters for the same geological units. In the second scenario the same 100 geological models were subjected to model optimization, where the hydraulic parameters for each of them were estimated by calibration against observations of hydraulic head and stream discharge. In the third scenario each geological model was run with 216 randomized sets of parameters. The analysis documented that the uncertainty on the conceptual geological model was as significant as the uncertainty related to the embedded hydraulic parameters.

Subject Keywords

Coverage

Spatial

Coordinate System/Geographic Projection:

WGS 84 EPSG:4326

Coordinate Units:

Decimal degrees

Place/Area Name:

Denmark

North Latitude

55.8346°

East Longitude

8.7443°

South Latitude

55.7576°

West Longitude

8.5578°

Streets Terrain Satelite

Spatial Extent

Content

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Additional Metadata

Name	Value
DOI	10.5194/hess-17-3245-2013
Depth	300
Scale	101 - 1 000 kmÂ²
Layers	63
Purpose	Groundwater resources
GroMoPo_ID	243
IsVerified	True
Model Code	MODFLOW
Model Link	https://doi.org/10.5194/hess-17-3245-2013
Model Time
Model Year	2013
Model Authors	He, X; Sonnenborg, TO; Jorgensen, F; Hoyer, AS; Moller, RR; Jensen, KH
Model Country	Denmark
Data Available	Report/paper only
Developer Email	xih@geo.ku.dk
Dominant Geology	Unconsolidated sediments
Developer Country	Denmark
Publication Title	Analyzing the effects of geological and parameter uncertainty on prediction of groundwater head and travel time
Original Developer	No
Additional Information	Calibration method used depends on scenario.
Integration or Coupling	Surface water;Water use
Evaluation or Calibration
Geologic Data Availability	No

How to Cite

GroMoPo, D. Kretschmer (2023). GroMoPo Metadata for Olgod region MODFLOW model, HydroShare, http://www.hydroshare.org/resource/d7ab062b6df2453aa11c90e354b3fd19

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

http://creativecommons.org/licenses/by/4.0/

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