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Calperum Chowilla Flux Data Collection 

Ver: 1.0
Status of Data: onGoing
Update Frequency: biannually
Security Classification: unclassified
Record Last Modified: 2025-12-02
Viewed 524 times
Accessed 63 times
Dataset Created: 2010-07-30
Dataset Published: 2021-09-20
Data can be accessed from the following links:
HTTPPoint-of-truth metadata URLHTTPro-crate-metadata.jsonOPeNDAPCatalog for NetCDF files
How to cite this collection:
Meyer, W., Ewenz, C., Koerber, G. & Lubcke, T. (2021). Calperum Chowilla Flux Data Collection. Version 1.0. Terrestrial Ecosystem Research Network. Dataset. https://portal.tern.org.au/metadata/bfcba630-a27a-426d-a931-f2c6ac785c48 
This dataset consists of measurements of the exchange of energy and mass between the surface and the atmospheric boundary-layer in a semi-arid mallee ecosystem north of the River Murray near Chowilla using eddy covariance techniques.

The Calperum Chowilla site was established in July 2010 and is managed by the University of Adelaide (UA), coordinated by Prof Wayne Meyer and Prof David Chittleborough of the Landscape Futures Program as part of the Environment Institute. This is a former sheep grazing property that has been destocked and is being managed as a conservation area in this type of ecosystem. The landscape is flat with a series of low east–west sand dunes. The dunes are remnants of a previous dry era and are mostly now stabilised by mallee (multi-stemmed Eucalypt trees) and various shrubs. It is a semi-arid environment fringing the River Murray floodplains of the Riverland.
For additional site information, see http://www.landscapescience.org/.

This data is also available at http://data.ozflux.org.au . 
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 Calperum Mallee site is managed by the University of Adelaide (UA) and is funded by TERN. Calperum is a reserve managed by the Australian Landscape Trust, for the Australian Government. 
Purpose
The purpose of the Calperum Chowilla flux station is to :
measure the energy, CO2 and H2O balance of mallee shrub land for short term (days) and long term (years)
link vegetation and ecosystem response to soil, atmosphere and local management conditions to explain daily and seasonal variation in exchange processes
use the site data to broaden environmental monitoring data for Ozflux and climate interpretation at the continental scale
use the measured data to develop and test predictive models of vegetation and related ecosystems that can be used to improve restorative actions in conservation of this type of ecosystem. 
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 . 
Method DocumentationData not provided.
Procedure StepsData not provided.
The flux station is at north of Renmark in the South Australian Riverland.
Temporal Coverage
From 2010-07-30 to on going 
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 - PHOTOSYNTHETICALLY ACTIVE RADIATION
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 CSAT3
Campbell Scientific TCAV Averaging Soil Thermocouple Probe
Hukseflux HFP01
HyQuest Solutions CS700
Kipp&Zonen CNR4
LI-COR LI-7500
Vaisala HMP45C
Parameters
air temperature
downward heat flux at ground level in soil
eastward wind
ecosystem respiration
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 moisture content
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
water evapotranspiration flux
water vapor partial pressure in air
water vapor saturation deficit in air
wind from direction
wind speed
Platforms
Calperum Chowilla Flux Station
Temporal Resolution
1 minute - < 1 hour
Topic
climatologyMeteorologyAtmosphere
User Defined
AU-Cpr
mallee woodland
Author
Meyer, Wayne
Co-Author
Ewenz, Cacilia
Koerber, Georgia
Lubcke, Tim
Contact Point
Meyer, Wayne
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
Calperum Mallee SuperSite
By Child records
Calperum Chowilla Flux Data Release 2022_v1Calperum Chowilla Flux Data Release 2022_v2Calperum Chowilla Flux Data Release 2023_v1Calperum Chowilla Flux Data Release 2023_v2Calperum Chowilla Flux Data Release 2024_v1Calperum Chowilla Flux Data Release 2024_v2Calperum Chowilla Flux Data Release 2025_v1Calperum Chowilla Flux Data Release 2025_v2
Export to DCATExport to BibTeXExport to EndNote/Zotero
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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.

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Please advise any work or publications that use this data via the online form at https://www.tern.org.au/research-publications/#reporting 

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