Slope in Degrees (100m grid)

dataset: SLOPE100
100m slope grid derived from elevation data created by resampling VICMAP_ELEVATION_DTM_20M to 100m.
 
Citation proposal Citation proposal
(2009)

Slope in Degrees (100m grid)

Department of Environment, Land, Water & Planning
 

Description

Title
Slope in Degrees (100m grid) 
Alternate title
SLOPE100 
Resource Type
Dataset  
Purpose
Slope map used to generate slope classes and exclusion areas for forest activities 
Credit
Sam Ebert, DSE Wodonga Craig Hamilton, DSE Wodonga Terry McLLean, DPI Rutherglen 
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 
Status
Completed  
 
 

Temporal

Time period
2009-07-012009-09-01 
 
 

Spatial

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


 

 

Maintenance

Maintenance and update frequency
Irregular  
 
 

Format

Title
DIGITAL Arc/Info Revision 7 Grid library 2 
 
 

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
  • Geoscientific information
 
 

Resource Constraints

Use limitation
Available under licence 
Classification
Unclassified  
 
 

Lineage

Statement
Dataset Source: The dataset is generated from ArcInfo Workstation GRID, based on data resampled from VICMAP_ELEVATION_DTM_20M to 100m. Slope generated as degrees. Dataset Originality: Derived 
Description
The dataset is generated from ArcInfo Workstation grid, based on the DEM25 dataset. Slope generated as degrees. 
 
 

Metadata Constraints

Classification
Unclassified  
 
 

Quality

Attribute Quality
Comments
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
Comments
Precision: 10-100m Determination: Based on the input map scale for the data resampled from VICMAP_ELEVATION_DTM_20M to 100m. 
Conceptual Consistency
Missing Data
Comments
Complete for the state. Complete for all Victorian Catchment Management Authority (CMA's) areas. 
Excess Data
 
 

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