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Myall Vale A (Dryland) Flux Data Release 2024_v2 

Ver: 1.0
Status of Data: completed
Update Frequency: biannually
Security Classification: unclassified
Record Last Modified: 2025-12-02
Viewed 23 times
Accessed 3 times
Dataset Created: 2023-11-29
Dataset Published: 2025-07-08
Data can be accessed from the following links:
HTTPPoint-of-truth metadata URLOPeNDAPNetCDF files (2024_v2)HTTPro-crate-metadata.json
How to cite this collection:
Macdonald, B., Stenson, M., Antille, D., Kitchen, M., Brown, Z. & Nadelko, A. (2025). Myall Vale A (Dryland) Flux Data Release 2024_v2. Version 1.0. Terrestrial Ecosystem Research Network. Dataset. https://dx.doi.org/10.25901/qfg6-bt82 
This dataset consists of flux tower measurements of the exchange of energy and mass between the surface and the atmospheric boundary-layer in a farming area using eddy covariance techniques. The data were processed using PyFluxPro (v3.5.0) as described by Isaac et al. (2017). PyFluxPro produces a final, gap-filled product with Net Ecosystem Exchange (NEE) partitioned into Gross Primary Productivity (GPP) and Ecosystem Respiration (ER).

The Myall Vale A site is located on a privately owned dryland field near Boggabri, New South Wales. The terrain is flat and elevation of the site is close to 240 meters above mean sea level. 
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. The site is managed by the CSIRO. 
Purpose
The purpose of the Myall Vale A Flux Station is to:
  • Develop and ground-truth the APSIM model.
  • Develop and ground-truth satellite based evapotranspiration models at pixel to catchment scale.
  • Complement and infill gaps in agricultural flux datasets in the treatments and locations being measured
  • Along with soil carbon and plant biomass data provide input for carbon balance research.
The station was commissioned on 15 November 2023 and is managed by CSIRO Environment. 
Lineage
All flux raw data is subject to the quality control process OzFlux QA/QC to generate data from L1 to L6. Levels 3 to 6 are available for re-use. Datasets contain Quality Controls flags which will indicate when data quality is poor and has been filled from alternative sources. For more details, refer to Isaac et al (2017) in the Publications section, https://doi.org/10.5194/bg-14-2903-2017.

Data from the site was collected from 15/11/2023, and the missing timestamps in this version may become available in a future version 
Method DocumentationData not provided.
Procedure StepsData not provided.
The Myall Vale A (Dryland) site is located on a dryland field near Boggabri New South Wales.
Temporal Coverage
From 2023-11-29 to 2024-08-28 
Spatial Resolution

Data not provided.

Vertical Extent

Data not provided.

Data Quality Assessment Scope
If the data quality is poor, the data is filled from alternative sources. Filled data can be identified by the Quality Controls flags in the dataset. Quality control checks include (i) range checks for plausible limits, (ii) spike detection, (iii) dependency on other variables and (iv) manual rejection of date ranges. Specific checks applied to the sonic and IRGA data include rejection of points based on the sonic and IRGA diagnostic values and on either automatic gain control (AGC) or CO2 and H2O signal strength, depending upon the configuration of the IRGA. For more details, refer to Isaac et al (2017) in the Publications section, https://doi.org/10.5194/bg-14-2903-2017.

For further information about the software (PyFluxPro) used to process and quality control the flux data, see https://github.com/OzFlux/PyFluxPro/wiki. 
Data Quality Report
Data not provided. 
Data Quality Assessment Outcome
Data not provided. 
ANZSRC - FOR
Atmospheric sciences
Climate change impacts and adaptation
Ecosystem function
Environmental management
Soil sciences
GCMD Sciences
AGRICULTURE - SOIL MOISTURE/WATER CONTENT
ATMOSPHERE - AIR TEMPERATURE
ATMOSPHERE - ATMOSPHERIC CARBON DIOXIDE
ATMOSPHERE - ATMOSPHERIC PRESSURE MEASUREMENTS
ATMOSPHERE - EVAPOTRANSPIRATION
ATMOSPHERE - HEAT FLUX
ATMOSPHERE - HUMIDITY
ATMOSPHERE - INCOMING SOLAR RADIATION
ATMOSPHERE - LONGWAVE RADIATION
ATMOSPHERE - PRECIPITATION AMOUNT
ATMOSPHERE - SHORTWAVE RADIATION
ATMOSPHERE - TRACE GASES/TRACE SPECIES
ATMOSPHERE - TURBULENCE
ATMOSPHERE - WIND DIRECTION
ATMOSPHERE - WIND SPEED
BIOSPHERE - TERRESTRIAL ECOSYSTEMS
LAND SURFACE - LAND PRODUCTIVITY
LAND SURFACE - SOIL TEMPERATURE
SOLID EARTH - BIOGEOCHEMICAL PROCESSES
Horizontal Resolution
Point Resolution
Instruments
Campbell Scientific CS650
Campbell Scientific IRGASON
Campbell Scientific TCAV Averaging Soil Thermocouple Probe
Hukseflux HFP01
Kipp&Zonen CNR4
Vaisala HMP155
Young 52203
Parameters
air temperature
downward heat flux at ground level in soil
eastward wind
ecosystem respiration
enhanced vegetation index
gross primary productivity of biomass expressed as carbon
magnitude of surface downward stress
mass concentration of carbon dioxide in air
mass concentration of water vapor in air
mole fraction of carbon dioxide in air
mole fraction of water vapor in air
Monin-Obukhov length
net ecosystem exchange
net ecosystem productivity
northward wind
relative humidity
soil temperature
specific humidity
specific humidity saturation deficit in air
surface air pressure
surface downwelling longwave flux in air
surface downwelling shortwave flux in air
surface friction velocity
surface net downward radiative flux
surface upward flux of available energy
surface upward latent heat flux
surface upward mole flux of carbon dioxide
surface upward sensible heat flux
surface upwelling longwave flux in air
surface upwelling shortwave flux in air
thickness of rainfall amount
upward mole flux of carbon dioxide due inferred from storage
vertical wind
volume fraction of condensed water in soil
water evapotranspiration flux
water vapor partial pressure in air
water vapor saturation deficit in air
wind from direction
wind speed
Platforms
Myall Vale A Flux Station
Temporal Resolution
1 minute - < 1 hour
Topic
climatologyMeteorologyAtmosphere
environment
farming
User Defined
AU-MvA
crop
dryland agriculture
Eddy Covariance
Vertical Resolution
1 meter - < 10 meters
Author
Macdonald, Ben
Stenson, Matt
Co-Author
Antille, Dio
Kitchen, Mark
Brown, Zachary
Nadelko, Anthony J
Contact Point
Brown, Zachary
Macdonald, Ben
Principal Investigator
Macdonald, Ben
Publisher
Terrestrial Ecosystem Research Network
Beringer, Jason et al., 2016. An introduction to the Australian and New Zealand flux tower network – OzFlux. Biogeosciences, 13(21). doi:10.5194/bg-13-5895-2016
Isaac, Peter et al., 2017. OzFlux data: network integration from collection to curation. Biogeosciences, 14(12). doi:10.5194/bg-14-2903-2017
By Parent record
Myall Vale A (Dryland) Flux Data Collection
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Terrestrial Ecosystem Research Network
80 Meiers Road, Indooroopilly, Queensland, 4068, Australia.
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Creative Commons Attribution 4.0 International Licence
https://creativecommons.org/licenses/by/4.0/
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.

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.

Please advise any work or publications that use this data via the online form at https://www.tern.org.au/research-publications/#reporting 
This data was created with an automated process and may not closely represent the real situation at the site for certain parameters due to lack of input from someone with detailed site knowledge. 

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Version:6.2.22