Regional Management Units of north west Victoria

dataset: NW_REGIONAL_MANAGEMENT_UNIT
A polygonal dataset of Regional Map Units (RMUs) in the Victorian Mallee. The dataset was created from the disaggregation of land systems originally defined by Rowan and Downes (1963). RMUs delineate areas of repeating landform component patterns that occur within a similar landscape context. They were created to provide the Mallee CMA with areas for priority investment to monitor, assess and manage regional land management issues, such as wind erosion. The units also assist in distinguishing the morphological variation in landform components, for example the difference in size of hummocks between the Tempy and Culgoa land systems. The RMUs have been attributed for their relative wind erosion susceptibility and have been embedded into the Victorian Geomorphological Framework. Each RMU therefore has a local naming context (eg: Central Mallee 1) and a statewide Geomorphological reference, eg: 5.1.2. The landform component grid developed by the same project, a 10 metre grid Digital Elevation Model (DEM), expert opinion and the GMU were key inputs into the creation of the landform units. An alpha-numeric code has been applied as the naming convention for these new landform units. The letter indicates the primary parent land system to which the unit is a member whilst the number reflects the number of units the land system has been divided into. The dataset was an output of the project "Disaggregation of landform components within land systems of the Mallee" and "Wind erosion susceptibility mapping" projects conducted by DPI between 2008 and 2011. These projects were sponsored by the Mallee Catchment Management Authority with funding from the Federal government's Caring for our Country initiative. The final project reports and the Rowan and Downes (1963) report , "A study of the land of north-western Victoria", should be referred to when analysing or utilising this dataset.
 
Citation proposal Citation proposal
(2019)

Regional Management Units of north west Victoria

Department of Energy, Environment and Climate Action
 

Details

Contacts

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  Point of contact

 

Identifiers and Keywords

ANZLIC Id
ANZVI0803005566 
Victorian Spatial Data Library (VSDL) Schema
CATCHMENTS:NW_REGIONAL_MANAGEMENT_UNIT 
Jurisdiction
Victoria 
Topic category
  • Farming
  • Geoscientific information
 

Resource Constraints

Use limitation
. Mapping is generalised and nominally reflects 1:250k. There is likely to be significant variation in landform, landform patterns and associated soils within units. 
Classification
Unclassified  
Creative Commons Attribution 4.0 (CC-BY)
 

Other Dataset Details

Date ( Revision )
2019-05-14
Date ( Publication )
2018-02-01T20:40:59
Status
Completed  
Supplemental Information
Related Documents: None 
Maintenance and update frequency
Not planned  
Maintenance date ( Publication )
2018-02-01T20:40:59
 

Spatial

Spatial representation type
Vector  
Reference system identifier
4283



 

Temporal

Begin date
2010-07-01 
End date
2012-06-30 
 

Quality

Conceptual Consistency
consistent across all records 
Missing Data
NW Victoria 
Attribute Quality
Attributes are accurate as dataset is a broad interpretation of landform pattern and susceptibility to wind erosion 
 

Lineage

Description
refer to factsheet 
Statement
Dataset Source: In 1963 Rowan and Downes published "Landsystems of north west Victoria" which broadly mapped and described land, land use, climate and vegetation patterns in the Mallee region of Victoria. From 2009 to 2011 landform components described within each land system were disaggregated using a 10 meter resolution digital elevation model. 19 landforms classes were mapped in total across dryland agricultural areas. The landform mapping has been used to sub divide the broader land systems into units that delineate more localised landform patterns. These units have been used to update the Geomorphological Map Unit (GMU) mapping on the region. Dataset Originality: Derived 
 

Attributes

Column Name Obligation Unique Data Type Data Length Data Precision Data Scale Reference Table Owner Reference Table Name Reference Table Code Column Name Short Column Name Definition
RMU O N VARCHAR2 50 RMU
SUSCCLASS O N VARCHAR2 254 SUSCCLASS
SUSCSCORE O N VARCHAR2 254 SUSCSCORE
RMU_CODE O N VARCHAR2 10 RMU_CODE
SUSCRANK O N NUMBER 22 4 0 SUSCRANK
 

About the Metadata Record

Metadata identifier
6d12e218-ce90-57d8-9546-46403616fc0c

Contact  

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Resource Type
Dataset  
Date info ( Revision )
2019-05-14
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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