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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Description

Title
Calibrated MODFLOW storativity 
Alternate title
MODFLOW_S 
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. 
Supplemental Information
Related Documents: None 
Status
Completed  
 
 

Temporal

 
 

Spatial

Horizontal Accuracy
100m  
Code
4283 
 
 

Maintenance

Maintenance and update frequency
As needed  
 
 

Format

Title
DIGITAL - ArcView ascii grid 12 
 
 

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Keywords

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  
 
 

Lineage

Statement
Dataset Source: ecoMarkets MODFLOW models Dataset Originality: Primary 
Description
Source description not available 
 
 

Metadata Constraints

Classification
Unclassified  
 
 

Quality

Attribute Quality
Comments
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
Comments
Precision: 200m Determination: Based on the scale of input datasets 
Conceptual Consistency
Missing Data
Comments
State of Victoria (except Corangamite) 
Excess Data
 
 

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