Wind erosion susceptibility mapping for north west Victoria

dataset: NW_EROSION_SUSCEPTIBILITY
A polygonal map of wind erosion susceptibility in the Victorian Mallee. The dataset was created by assigning relative susceptibility classes to landform component data mapped during the disaggregation of land systems project (refer to separate metadata entry). The classifications represent the inherent susceptibility of the component to wind erosion based on its exposure to erosive winds and its 'likely' soil texture grade. In some instances a landform component has been split into facets in order to assign varying classes of susceptibility across the component. The project was sponsored by the Mallee Catchment Management Authority with funding from the Federal government's Caring for our Country initiative. The final project report, "Mallee wind erosion susceptibility mapping" together with the "Disaggregation of landform components within land systems of the Mallee", 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. Regional Map Units (RMUs) in the Mallee developed during the land system disaggregation project and refined in this project have been ranked for their overall wind erosion susceptibility. These units and the finer-scale grid data can be used to make spatially strategic decisions for investment in research, monitoring, protection and management relating to wind erosion in the region.
 
Citation proposal Citation proposal
(2019)

Wind erosion susceptibility mapping for north west Victoria

Department of Jobs, Precincts and Regions
 

Simple

 
 

Description

Title
Wind erosion susceptibility mapping for north west Victoria 
Alternate title
NW_EROSION_SUSCEPTIBILITY 
Supplemental Information
Related Documents: None 
Status
Completed  
 
 

Temporal

 
 

Spatial

Code
4283 
 
 

Maintenance

Maintenance and update frequency
Not planned  
 
 

Format

 
 

Contacts

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Cited responsible party  

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Keywords

Topic category
  • Farming
  • Geoscientific information
 
 

Resource Constraints

Use limitation
. Users should be aware that landform component delineation is fuzzy in that in most cases clear boundaries between landforms do not exist. In most instances only the mid and upper slopes and crests of sandy rises such as dunes and hummocks have been mapped. Users should refer to the final project report and "A study of the land of north-western Victoria" Rowan and Downes (1963) report. The report provides the methodology used to derive the landform dataset and identifies associated limitations, the Rowan and Downes (1963) report details the morphology and variation in landforms across the land systems of the Mallee. 
Classification
Unclassified  
 
 

Lineage

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. These mapped landforms provided the basis for this wind erosion susceptibility mapping. Dataset Originality: Derived 
Description
Collection Method: VicMap, Victorian soil Information System and aerial photography interpretation 
Description
Refer to Mallee CMA Technical Bulletin #18 
 
 

Metadata Constraints

Classification
Unclassified  
 
 

Quality

Attribute Quality
Comments
relative ranking of landform facet for wind erosion susceptibility is accurate 
Positional Accuracy
Comments
refer to VicMap elevation 10 meter DEM product specifications 
Conceptual Consistency
Comments
consistent 
Missing Data
Comments
Dryland agricultural areas of the Mallee CMA region 
Excess Data
Comments
Landform classes identified by Rowan and Downes (1963). A few additional landform components have been included. 
 
 

Acquisition Info

 
 

Raster Data Details

 
 

Point Cloud Data Details

 
 

Contour Data Details

 
 

Survey Details

 
 

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