Geomorphology of Victoria

dataset: GMU250
This dataset provides a hierarchical framework of geomorphological spatial entities at three tiers (Tier 1 represents the coarsest scale, Tier 3 representing the finest scale). Over the last decade in Victoria, geomorphology has been used to create a hierarchical classification of landforms and landscapes, known as the Victorian Geomorphology Framework (VGF). The VGF is a spatial framework consisting of a hierarchical system of land unit descriptions. The framework hierarchy is a spatial system to assist planning, monitoring and reporting for natural resource management in Victoria and Australia. The VGF describes and defines details of Victorias landscapes and provides a hierarchy to align past and future soil and land information. The upper level (Tier 1) has 8 Divisions and approximates to a scale of 1:1 000 000 to 5 000 000. Tier 2 has 34 categories, approximating to a scale of 1:500 000 to 2 000 000 while Tier 3 has 95 categories approximating to a scale of 1:100 000 to 500 000. Many of the boundaries are derived from the aggregation of soil-landform units/land systems, forming a hierarchical land type, particularly in relation to landform. The GMU250 layer includes soil erosion susceptibility assessments sourced from soil information contained in underlying regional studies which have been developed at regional scales of 1:100 000 or finer. The regional Land Resource Assessment (LRA) mapping at 1:100 000 scale effectively equates to the fourth tier of GMU mapping detail. As these units have been scaled up for use at the third tier, i.e. GMU250, it has meant a degree of generalisation across the LRA units. In these cases the dominant soil type, based upon maximum spatial extent, has been used for the susceptibility assessments. More information on the geomorpohology of Victoria can be found on Victorian Resources Online (http://vro.depi.vic.gov.au/dpi/vro/vrosite.nsf/pages/landform_geomorphology#mapping). DOI 10.4226/92/58e6f2752cfd6
 
Citation proposal Citation proposal
(2019)

Geomorphology of Victoria

Department of Energy, Environment and Climate Action
 

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Identifiers and Keywords

ANZLIC Id
ANZVI0803002863 
Victorian Spatial Data Library (VSDL) Schema
CATCHMENTS:GMU250 
Jurisdiction
Victoria 
Topic category
  • Elevation
  • Environment
  • Geoscientific information
 

Resource Constraints

Use limitation
Unrestricted This layer is used as a framework for the Land Systems of Victoria, providing a broad description of land that does not have to be re-stated when describing land at a finer scale. 
Classification
Unclassified  
Creative Commons Attribution 4.0 (CC-BY)
 

Other Dataset Details

Date ( Revision )
2019-05-30
Date ( Publication )
2018-11-28T01:01:56
Status
Completed  
Purpose
.... 
Supplemental Information
History: Credit: GEOMORPHOLOGY REFERENCE GROUP and others. Bernie Joyce, Neville Rosengren, Ken Rowe, Peter Dahlhaus, Jim Rowan, John Martin, Ian Sargeant, John Neilson, Mark Imhof, Richard MacEwan, David Rees. Thanks also to Maree Platt, Nathan Robinson, Don Cherry, Mark Hocking, Paul MacDonald, Craig Feuerherdt, Keith Reynard, Cara Byrt and Les Russell Relationship to other Datasets: Many of the boundaries (ideally) are derived fro the aggregation of land units/land systems, forming a hierarchical land type, particularly in relation to landform. Current Design Issues: - Future Design Issues: - Related Documents: None http://vro.depi.vic.gov.au/dpi/vro/vrosite.nsf/pages/landform_geomorphology#mapping http://vro.depi.vic.gov.au/dpi/vro/vrosite.nsf/pages/landform_geomorphology#mapping 
Maintenance and update frequency
As needed  
Maintenance date ( Publication )
2018-11-28T01:01:56
 

Spatial

Spatial representation type
Vector  
Reference system identifier
4283



 

Temporal

Begin date
2000-01-01 
End date
2017-02-28 
 

Resolution

Horizontal Accuracy
250m  
 

Quality

Conceptual Consistency
Not defined 
Missing Data
. Completeness Verification: - 
Excess Data
- 
Attribute Quality
Labelled with third tier geomorph eg. 1.3.1 
Positional Accuracy
Not defined 
 

Lineage

Description
New linework input into the GIS after field work and API, polygons also created using other datasets such as radiometrics, DEM's, slope etc. Disaggregation of land units of the north west of Victoria (Rowan and Downes 1963) into landform components (Hopley et al 2011) were used to refine the GMU mapping in that region 
Statement
Dataset Source: Remote Sensed (Radiometrics, DEM), Expert Interviews, Maps, Field work, earlier land studies Dataset Originality: Primary & 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
AREA_HA O N NUMBER 22 38 8 AREA_HA
LFM_PATTERN O N VARCHAR2 8 LFMPATTERN
LFM_ELEMENT O N VARCHAR2 8 LFMELEMENT
GMU_T2 O N VARCHAR2 5 GMU_T2
GMU_T3 O N VARCHAR2 5 GMU_T3
GMU_T1_DESC O N VARCHAR2 50 GMUT1DESC
SUSC_GULLY O N VARCHAR2 10 SUSC_GULLY
SUSC_SR O N VARCHAR2 10 SUSC_SR
LITHOLOGY O N VARCHAR2 30 LITHOLOGY
GMU_T1 O N VARCHAR2 5 GMU_T1
SUSC_LSLIP O N VARCHAR2 10 SUSC_LSLIP
GMU_T2_DESC O N VARCHAR2 150 GMUT2DESC
SUSC_WIND O N VARCHAR2 10 SUSC_WIND
GMU_T3_DESC O N VARCHAR2 200 GMUT3DESC
 

About the Metadata Record

Metadata identifier
2419418f-b82b-5e81-a78c-c55a5a38039e

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Resource Type
Dataset  
Date info ( Revision )
2019-05-30
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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