Index of Estuarine Condition Estuarine Catchments

dataset: IEC2021_ESTUARY_CATCHMENTS
Areas of catchments that drain directly to Victorian estuaries - i.e. not via major freshwater tributaries. This data updates the previous EST_CATCH (Deakin) layer for use in the 2021 Index of Estuarine Condition. Boundaries were determined from a digital elevation model (DEM) and were compared with DELWP boundaries for some estuaries (where DELWP data existed (i.e. in the estuary fluvial catchment layer [WATER_EST_FLUV_VSDL] available on the Victorian Spatial Data Library [January 2020]). On steep land (the Otways, east Gippsland etc) the boundaries align well. On the flatter areas there are some discrepancies between the DEM derived boundary and the DELWP derived boundary. For some catchments the DELWP boundaries are more accurate, but for others the DEM derived boundary is more accurate. Final catchment boundaries were determined by adopting the DEM derived boundary where there was good alignment with the DELWP layer and then adjusting just the contested boundaries to choose the one that appeared most accurate based on the rationale specified for each estuary below.
 
Citation proposal Citation proposal
(2021)

Index of Estuarine Condition Estuarine Catchments

Department of Energy, Environment and Climate Action
 

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Identifiers and Keywords

ANZLIC Id
ANZVI0803008721 
Victorian Spatial Data Library (VSDL) Schema
WATER:IEC2021_ESTUARY_CATCHMENTS 
Jurisdiction
Victoria 
Topic category
  • Inland waters
  • Oceans
 

Resource Constraints

Classification
Unclassified  
Creative Commons Attribution 4.0 (CC-BY)
 

Other Dataset Details

Date ( Revision )
2021-10-15
Date ( Publication )
2021-09-04T01:54:39
Status
Completed  
Purpose
Component of the Index for Estuarine Condition 
Supplemental Information
Related Documents: None 
Maintenance and update frequency
Not planned  
Maintenance date ( Publication )
2021-09-04T01:54:39
 

Spatial

Spatial representation type
Vector  
Description
General - Victoria 
Reference system identifier
4283

N
S
E
W


 

Temporal

Begin date
2020-01-30 
End date
2020-01-30 
 

Quality

Missing Data
Statewide Completeness Verification: - 
Excess Data
- 
Positional Accuracy
Polygons were determined by adopting a DEM derived boundary where there was good alignment with the DELWP estuary fluvial catchment layer [WATER_EST_FLUV_VSDL], then adjusting just the contested boundaries. 
 

Lineage

Statement
Dataset Source: digital elevation model 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
EUID O N NUMBER 22 0 EUID
EZY_NAME O N VARCHAR2 150 EZY_NAME
SOURCE O N VARCHAR2 150 SOURCE
ALT_NAME O N VARCHAR2 150 ALT_NAME
SE_ANNO_CAD_DATA O N BLOB 4000 SEANNOCAD
ESTUARY O N VARCHAR2 50 ESTUARY
IEC_SCORE O N VARCHAR2 5 IEC_SCORE
DATE_CREATED O N DATE 7 DATE_CR
IEC_CONDITION O N VARCHAR2 50 IEC_COND
 

About the Metadata Record

Metadata identifier
bd9b54f4-6514-5080-b149-c3ccba965764

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Resource Type
Dataset  
Date info ( Revision )
2021-10-15
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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