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GroMoPo Metadata for Upper Danube mountain MODFLOW model


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Created: Feb 08, 2023 at 3:15 a.m.
Last updated: Feb 08, 2023 at 3:16 a.m.
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Abstract

In large mountainous catchments, shallow unconfined alluvial aquifers play an important role in conveying Subsurface runoff to the foreland. Their relatively small extent poses a serious problem for ground water flow models on the river basin scale. River basin scale models describing the entire water cycle are necessary in integrated water resources management and to study the impact of global climate change on ground water resources. Integrated regional-scale models must use a coarse, fixed discretization to keep computational demands low and to facilitate model Coupling. This can lead to discrepancies between model discretization and the geometrical properties of natural systems. Here. an approach to overcome this discrepancy is discussed using the example of the German-Austrian Upper Danube catchment, where a coarse ground water flow model was developed using MODFLOW. The method developed uses a modified concept from a hydrological catchment drainage analysis in order to adapt the aquifer geometry such that it respects the numerical requirements of the chosen discretization, that is, the width and the thickness of cells as well as gradients and connectivity of the catchment. In order to show the efficiency of the developed method, it was tested and compared to a finely discretized ground water model of the Ammer subcatchment. The results of the analysis prove the applicability of the new approach and contribute to the idea of using physically based ground water models in large catchments.

Subject Keywords

Coverage

Spatial

Coordinate System/Geographic Projection:
WGS 84 EPSG:4326
Coordinate Units:
Decimal degrees
Place/Area Name:
Germany, Austria
North Latitude
50.0421°
East Longitude
13.6716°
South Latitude
46.3272°
West Longitude
8.0890°

Content

Additional Metadata

Name Value
DOI 10.1111/j.1745-6584.2008.00456.x
Depth approx. 500 m
Scale 10 001 - 100 000 km²
Layers 2-5 layers
Purpose Scientific investigation (not related to applied problem)
GroMoPo_ID 158
IsVerified True
Model Code MODFLOW
Model Link https://doi.org/10.1111/j.1745-6584.2008.00456.x
Model Time 1970-2003
Model Year 2008
Model Authors Wolf, J; Barthel, R; Braun, J
Model Country Germany, Austria
Data Available Report/paper only
Developer Email jenswwolf@web.de
Dominant Geology Model focuses on multiple geologic materials
Developer Country Germany
Publication Title Modeling ground water flow in alluvial mountainous catchments on a watershed scale
Original Developer No
Additional Information
Integration or Coupling
Evaluation or Calibration Dynamic water levels
Geologic Data Availability

How to Cite

GroMoPo, S. Ruzzante (2023). GroMoPo Metadata for Upper Danube mountain MODFLOW model, HydroShare, http://www.hydroshare.org/resource/762add8a121c4b11ae978ddd200d4b69

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

http://creativecommons.org/licenses/by/4.0/
CC-BY

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