Contacts

Identifiers and Keywords

ANZLIC Id

ANZVI0803003459 

Jurisdiction

Victoria 

Topic category

• Geoscientific information

Resource Constraints

Use limitation

Available under licence Fire Management Environmental Modelling 

Classification

Unclassified  

Other Dataset Details

Date ( Revision )

2010-04-01

Status

Completed  

Purpose

Aspect data used to identify landscape units receiving greater solar exposure. Relevant to Fire Management and environmental modelling. 

Credit

Sam Ebert, DSE Wodonga Craig Hamilton, DSE Wodonga Terry McLLean, DPI Rutherglen 

Format

DIGITAL Arc/Info Revision 7 Grid library 2 

Supplemental Information

Relationship to other Datasets: The layer is derived using ESOCLIM and DEM250. For a given area one can expect high correlations between RAIN<month> and DEM250 Current Design Issues: The layer is a raster dataset, ie. a GRID. To reduce disk storage it is stored as an integer value grid with precision maintained to two decimal places using: value = mm/annum * 100. Future Design Issues: As DEM250 is replaced by a higher resolution DEM it may be appropriate to re-calculate the rainfall estimates. For specific areas it will be appropriate to use additional rainfall data to update the ESOCLIM surfaces and generate higher resolution rainfall estimates. Layer design should be revised at that time. Related Documents: None ESOCLIM documentation (CLIM_GRD.DOC) ANUCLIM Users Guide 

Maintenance and update frequency

Irregular  

Spatial

Spatial representation type

Grid  

Description

General - Victoria 

Reference system identifier

4283

N

S

E

W

Temporal

Begin date

2009-07-01 

End date

2009-09-01 

Resolution

Horizontal Accuracy

100m  

Quality

Missing Data

Complete for the state. Complete for all Victorian Catchment Management Authority (CMA's) areas. 

Attribute Quality

Normally claimed to be within 5% of the actual value. This is based on a generalised cross-validation algorithm which carries out the original interpolation without each point in turn, and compares the interpolated value at that point with the observed value. 

Positional Accuracy

Precision: 10-100m Determination: Based on the input map scale for the data underpinning VICMAP_ELEVATION_DTM_20M. 

Lineage

Description

The dataset is generated from ArcInfo Workstation grid, based on the DEM25 dataset. Aspect generated as degrees (0-360). 

Statement

Dataset Source: The dataset is generated from ArcInfo Workstation grid, based on the VICMAP_ELEVATION_DTM_20M dataset. Aspect generated as degrees (0-360). Dataset Originality: Derived 

About the Metadata Record

Metadata identifier

urn:uuid / aba7918e-e6d4-55f7-8ded-2fb34ee39a51