Modelled dry years (1997 - 2005) average annual diffuse recharge (mm/yr)

dataset: ENSYM_RECHARGE100_DRY
Modelled dry years (1997-2005) average annual diffuse recharge (mm/yr) as calculated using the Ensym model. Includes rainfall recharge and irrigation recharge however excludes river/stream/channel/reservoir leakage. Ensym estimates daily spatial recharge by solving for physical processes using analytical solutions and empirical equations. Water entering the soil profile is initially determined by subtracting the calculated surface runoff from the total daily precipitation and irrigation. Once in the soil profile, water can be removed by evapotranspiration, lateral flow and downward movement if soil capacity is exceeded. Water fills up lower soil layers until it exits the soil profile and becomes drainage. Drainage is then partioned into sub surface lateral flow and recharge. For further information: https://ensym.dse.vic.gov.au/home/aboutensym Beverly, C., 2007. Technical Manual - Models of the Catchment Analysis Tool. Victoria. Department of Sustainability and Environment.
 
Citation proposal Citation proposal
(2013)

Modelled dry years (1997 - 2005) average annual diffuse recharge (mm/yr)

Department of Energy, Environment and Climate Action
 

Description

Title
Modelled dry years (1997 - 2005) average annual diffuse recharge (mm/yr) 
Alternate title
ENSYM_RECHARGE100_DRY 
Resource Type
Dataset  
Purpose
Modelled recharge data can be used for: - water balance estimates - groundwater modelling inputs - landuse change impact modelling - effluent disposal 
Supplemental Information
Related Documents: None 
Status
Completed  
 
 

Temporal

Time period
2011-10-012011-11-28 
 
 

Spatial

Spatial representation type
Grid  
Horizontal Accuracy
100m  
Code
4283 
Description
General - Victoria 
N
S
E
W


 

 

Maintenance

Maintenance and update frequency
As needed  
 
 

Format

Title
DIGITAL - ArcView ascii grid 3 
 
 

Contacts

  Point of contact

Cited responsible party  

No information provided.

Cited responsible party  

No information provided.

Cited responsible party  

No information provided.
 
 

Keywords

Topic category
  • Inland waters
  • Geoscientific information
  • Climatology, meteorology, atmosphere
 
 

Resource Constraints

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

Lineage

Statement
Dataset Source: Recharge estimates are sourced from the DSE Ensym model. Dataset Originality: Primary 
 
 

Metadata Constraints

Classification
Unclassified  
 
 

Quality

Attribute Quality
Comments
Estimates of recharge vary in accuracy based on input datasets. Variability in soil mapping adds the highest uncertainty in recharge estimates. 
Positional Accuracy
Comments
Precision: 10 - 100m Determination: Based on the scale of input datasets 
Conceptual Consistency
Missing Data
Comments
State of Victoria 
Excess Data
 
 

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