Calibrated MODFLOW storativity

dataset: MODFLOW_S
Calibrated MODFLOW storativity per model layer. As calculated from the DSE ecoMarkets groundwater flow modelling project. Storativity (also known as confined storage) indicates the amount of groundwatyer released from storage due to a unit depressurisation of a confined aquifer. The value is dimensionless and expressed as a fraction between 0 and 1. Number of model layers per groundwater model is listed below: North East - 6 Goulburn Broken - 8 North Central - 10 Mallee 1992 - 4 Wimmera - 8 Glenelg Hopkins - 5 Corangamite - 6 Port Phillip - 6 West Gippsland - 7 East Gippsland - 6 For further information: https://ensym.dse.vic.gov.au/home/aboutensym Harbaugh, A.W., and McDonald, M.G., 1996, User's documentation for MODFLOW-96, an update to the U.S. Geological Survey modular finite-difference ground-water flow model: U.S. Geological Survey Open-File Report 96-485, 56 p
 
Citation proposal Citation proposal
(2013)

Calibrated MODFLOW storativity

Department of Energy, Environment and Climate Action
 

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Identifiers and Keywords

ANZLIC Id
ANZVI0803004634 
Jurisdiction
Victoria 
Topic category
  • Inland waters
  • Geoscientific information
 

Resource Constraints

Use limitation
Available under license. All use must be approved by the DSE ecoMarkets data custodian. 
Classification
Unclassified  

Legal constraints

Citation

Title
DELWP Data License 
Website
 

License Text

Use constraints
Restricted  
 

Other Dataset Details

Date ( Revision )
2013-05-28
Status
Completed  
Purpose
Storativity values are used as a groundwater flow modelling input parameter however they can also be used in other groundwater system studies such as water resource appraisals, contaminant modelling, bore field assesments, extractive industry assesments and aquifer storage and recovery assesments. 
Format
DIGITAL - ArcView ascii grid 12 
Supplemental Information
Related Documents: None 
Maintenance and update frequency
As needed  
 

Spatial

Spatial representation type
Grid  
Description
General - Victoria 
Reference system identifier
4283

N
S
E
W


 

Temporal

Begin date
2011-10-01 
End date
2011-11-28 
 

Resolution

Horizontal Accuracy
100m  
 

Quality

Missing Data
State of Victoria (except Corangamite) 
Attribute Quality
Storativity values are generalised over each model area and can not represent the true spatial variability within heterogenous geological structures such as aquifers. They can however represent the overall expected storativity values which is suitable when looking at catchment scale impacts. 
Positional Accuracy
Precision: 200m Determination: Based on the scale of input datasets 
 

Lineage

Statement
Dataset Source: ecoMarkets MODFLOW models Dataset Originality: Primary 
 

About the Metadata Record

Metadata identifier
urn:uuid / 4c36a676-e24e-5be7-bbc0-9fcd2e687e00

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Contact  

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Resource Type
Dataset  
Date info ( Creation )
2025-11-25T12:20:29
Date info ( Revision )
2025-11-25T14:46:06
Standard Name
ISO 19115-3:2018 
Profile Name
DELWP Profile 
Profile Version
Version 1 
Profile Date
2019-05-24  
 

Metadata Constraints

Classification
Unclassified  
 
 

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