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Long-term Trends of Water Quality and Quantity in Forested Water Catchments in NSW

The NSW Forest Monitoring Steering Committee commissioned the University of Melbourne to deliver baselines, drivers and trends for water quality and quantity in the NSW Regional Forest Agreement (RFA) regions. Following this work, the University of Melbourne was asked to extend the analysis to cover all NSW forested catchments. Both the initial project (RFA regions) and the extension (all NSW forested catchments) are included in this publication.<br>


This dataset contains the estimated Mann-Kendall trends (direction and significance) in seven water quality and six water quantity indicators. The trends were estimated using a temporal regression that included a linear trend, the flow effect, a seasonality component and a lag-1 autoregressive residual model for which water quality data were sampled at daily or higher frequencies. For each water quality variable, trends were estimated for catchments which have 50% catchment area covered by forest, and long-term data monitored at the outlet of each catchment. All trends were estimated with the full historical records of each variable at each catchment in RFA regions, and the extension across all NSW forested catchments also produced short term trends. More detailed metadata for each dataset is included.<br>


The seven quality indicators are: total phosphorus (TP), total nitrogen (TN), dissolved oxygen (DO), pH, electrical conductivity (EC), turbidity and water temperature (WTemp). <br>


The six quantity indicators are: annual flow, annual rainfall-runoff residual, annual high flow, annual low flow, annual 7-day (7d) low flow and annual cease to flow (CTF).<br>


Water monitoring sites analysed included those from the WaterNSW, Bureau of Meteorology, Water Data Online (BoM WDO) and Forestry Corporation NSW (FCNSW).<br>


A web mapping application on the NSW Spatial Collaboration Portal depicts these datasets. Access the webapp through the link below: <br>

https://portal.spatial.nsw.gov.au/portal/home/item.html?id=03950cf226ac4d459b8c8e3631e17afb

Simple

Identification info

Date (Creation)
1900-01-01
Date (Publication)
2022-11-15
Date (Revision)
2025-12-10
Edition
1

Identifier

Title
DataCite
Code
doi:10.25901/r3bk-be98
Codespace
http://dx.doi.org

Publisher

Terrestrial Ecosystem Research Network
Building 1019, 80 Meiers Rd
Indooroopilly
QLD
4068
Australia
+61 7 3365 9097

Author

Natural Resources Commission, New South Wales Government
52 Martin Place, Sydney, 2000, New South Wales, Australia
Sydney
New South Wales
2000
Australia
Website
https://www.tern.org.au/

Purpose
This dataset was created as part of the NRC Forest Monitoring and Improvement Program to establish baselines, drivers and trends of water quality and quantity in NSW.
Credit
We at TERN acknowledge the Traditional Owners and Custodians throughout Australia, New Zealand and all nations. We honour their profound connections to land, water, biodiversity and culture and pay our respects to their Elders past, present and emerging.
Status
Completed

Point of contact

Natural Resources Commission, New South Wales Government
52 Martin Place, Sydney, 2000, New South Wales, Australia
52 Martin Place
Sydney
New South Wales
2000
Australia

Point of contact

Natural Resources Commission, New South Wales Government - Bell, Jeffrey (Principal Advisor)
52 Martin Place, Sydney, 2000, New South Wales, Australia
52 Martin Place
Sydney
New South Wales
2000
Australia
Topic category
  • Inland waters
  • Environment

Extent

Description
Forested water catchments in NSW
N
S
E
W


Temporal extent

Time period
1900-01-01 2022-01-01
Title
Final report - Long-term trends of water quality and quantity in NSW RFA regions (University of Melbourne, September 2021)
Website
Final report - Long-term trends of water quality and quantity in NSW RFA regions (University of Melbourne, September 2021)

Related documentation

Title
Final report - Extension - State-wide long-term trends of water quality and quantity for forested catchments (University of Melbourne, June 2022)
Website
Final report - Extension - State-wide long-term trends of water quality and quantity for forested catchments (University of Melbourne, June 2022)

Related documentation

Maintenance and update frequency
Not planned
GCMD Science Keywords
  • WATER QUALITY
  • RIVERS/STREAMS
  • FORESTS
ANZSRC Fields of Research
  • Surface water hydrology
  • Stream and sensor data
  • Forest ecosystems
TERN Parameter Vocabulary
  • turbidity
  • Unitless
  • total phosphorous
  • Unitless
  • water pH
  • Unitless
  • water conductivity
  • Unitless
  • dissolved oxygen
  • Unitless
  • water temperature
  • Unitless
  • streamflow
  • Unitless
  • rainfall runoff residual
  • Unitless
QUDT Units of Measure
  • Unitless
  • Unitless
  • Unitless
  • Unitless
  • Unitless
  • Unitless
  • Unitless
  • Unitless
GCMD Horizontal Resolution Ranges
  • Point Resolution
GCMD Temporal Resolution Ranges
  • one off
Keywords (Discipline)
  • Water Quality
  • Water Quantity
  • Streamflow
  • Trend
  • Forested Catchment
  • Water Monitoring
  • WaterNSW
  • BoM Water Data Online
  • Forestry Corporation NSW

Resource constraints

Use limitation
The Creative Commons Attribution 4.0 International (CC BY 4.0) license allows others to copy, distribute, display, and create derivative works provided that they credit the original source and any other nominated parties. Details are provided at https://creativecommons.org/licenses/by/4.0/
File name
88x31.png
File description
CCBy Logo from creativecommons.org
File type
png
Linkage
https://w3id.org/tern/static/cc-by/88x31.png

Title
Creative Commons Attribution 4.0 International Licence
Alternate title
CC-BY
Edition
4.0
Website
https://creativecommons.org/licenses/by/4.0/

Access constraints
License
Use constraints
Other restrictions
Other constraints
TERN services are provided on an "as-is" and "as available" basis. Users use any TERN services at their discretion and risk. They will be solely responsible for any damage or loss whatsoever that results from such use including use of any data obtained through TERN and any analysis performed using the TERN infrastructure. <br />Web links to and from external, third party websites should not be construed as implying any relationships with and/or endorsement of the external site or its content by TERN. <br /><br />Please advise any work or publications that use this data via the online form at https://www.tern.org.au/research-publications/#reporting
Other constraints
Please cite this dataset as {Author} ({PublicationYear}). {Title}. {Version, as appropriate}. Terrestrial Ecosystem Research Network. Dataset. {Identifier}.

Resource constraints

Classification
Unclassified

Distribution Information

Distribution format
  • NetCDF

Distributor

Distributor

Terrestrial Ecosystem Research Network
Building 1019, 80 Meiers Rd
Indooroopilly
QLD
4068
Australia
OnLine resource
Water Quality Trends - Extension

Distribution Information

Distribution format
  • NetCDF

Distributor

Distributor

Terrestrial Ecosystem Research Network
Building 1019, 80 Meiers Rd
Indooroopilly
QLD
4068
Australia
OnLine resource
Water Quantity Trends - RFA

Distribution Information

Distribution format
  • NetCDF

Distributor

Distributor

Terrestrial Ecosystem Research Network
Building 1019, 80 Meiers Rd
Indooroopilly
QLD
4068
Australia
OnLine resource
Water Quality Trends - RFA

Distribution Information

Distribution format
  • NetCDF

Distributor

Distributor

Terrestrial Ecosystem Research Network
Building 1019, 80 Meiers Rd
Indooroopilly
QLD
4068
Australia
OnLine resource
Water Quantity Trends - Extension

Distribution Information

Distribution format

Distributor

Distributor

Terrestrial Ecosystem Research Network
Building 1019, 80 Meiers Rd, Indooroopilly, QLD, Australia, 4068
Indooroopilly
QLD
4068
Australia
OnLine resource
ro-crate-metadata.json

Reference System Information

Reference system identifier
EPSG/EPSG:4283

Reference system type
Geodetic Geographic 2D

Metadata

Metadata identifier
urn:uuid/86acfa35-0d35-4568-8bb8-6b6291efd353

Title
TERN GeoNetwork UUID

Language
English
Character encoding
UTF8

Point of contact

Terrestrial Ecosystem Research Network
Building 1019, 80 Meiers Rd
Indooroopilly
QLD
4068
Australia
+61 7 3365 9097

Type of resource

Resource scope
Dataset
Metadata linkage
https://geonetwork.tern.org.au/geonetwork/srv/eng/catalog.search#/metadata/86acfa35-0d35-4568-8bb8-6b6291efd353

Point-of-truth metadata URL

Date info (Creation)
2022-09-05T00:00:00.000000+00:00
Date info (Revision)
2025-12-10T09:46:17.002715+00:00

Metadata standard

Title
ISO 19115-1:2014/AMD 1:2018 Geographic information - Metadata - Fundamentals
Edition
1

Metadata standard

Title
ISO/TS 19115-3:2016
Edition
1.0

Metadata standard

Title
ISO/TS 19157-2:2016
Edition
1.0
Title
Terrestrial Ecosystem Research Network (TERN) Metadata Profile of ISO 19115-3:2016 and ISO 19157-2:2016
Date (published)
2021
Edition
1.0

Identifier

Code
10.5281/zenodo.5652221
Website
https://github.com/ternaustralia/TERN-ISO19115/releases/tag/v1.0

 
 

Overviews

Spatial extent

N
S
E
W


Keywords

ANZSRC Fields of Research
Forest ecosystems Stream and sensor data Surface water hydrology
GCMD Science Keywords
FORESTS RIVERS/STREAMS WATER QUALITY

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Access to the portal
Read here the full details and access to the data.

Associated resources

Not available


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