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Dry River Flux Data Release 2022_v2

This data release consists of flux tower measurements of the exchange of energy and mass between the surface and the atmospheric boundary-layer in semi-arid eucalypt woodland using eddy covariance techniques. It been processed using PyFluxPro (v3.4.7) as described in Isaac et al. (2017), <a href=" https://doi.org/10.5194/bg-14-2903-2017">https://doi.org/10.5194/bg-14-2903-2017</a>. PyFluxPro takes data recorded at the flux tower and process this data to a final, gap-filled product with Net Ecosystem Exchange (NEE) partitioned into Gross Primary Productivity (GPP) and Ecosystem Respiration (ER). For more information about the processing levels, see <a href=" https://github.com/OzFlux/PyFluxPro/wiki">https://github.com/OzFlux/PyFluxPro/wiki</a>.

<br /><br /> The site is classified as open forest savanna. The overstory is co-dominated by tree species <em>E. tetrodonta</em>, <em>E. dichromophloia</em>, <em>C. terminalis</em>, <em>Sorghum intrans</em>, <em>S. plumosum</em>, <em>Themeda triandra</em> and <em>Chrysopogon fallax</em>, with canopy height averaging 12.3m. Elevation of the site is close to 175m and mean annual precipitation from a nearby Bureau of Meteorology site measures 895.3mm. Maximum temperatures range from 29.1°C (in June) to 37.6°C (in July), while minimum temperatures range from 14.6°C (in July) to 24.8°C (in November). Maximum temperatures vary seasonally by 8.5°C and minimum by 10.2°C. <br /><br /> The instrument mast is 15 meters tall. Heat, water vapour and carbon dioxide measurements are taken using the open-path eddy flux technique. Temperature, humidity, wind speed, wind direction, rainfall, incoming and reflected shortwave radiation and net radiation are measured above the canopy. Soil heat fluxes are measured and soil moisture content is gathered using time domain reflectometry. <br /> Ancillary measurements taken at the site include LAI, leaf-scale physiological properties (gas exchange, leaf isotope ratios, N and chlorophyll concentrations), vegetation optical properties and soil physical properties. Airborne based remote sensing (Lidar and hyperspectral measurements) was carried out across the transect in September 2008. <br /><br />

Simple

Identification info

Date (Creation)
2022-09-13
Date (Publication)
2022-03-27
Date (Revision)
2014-07-14
Edition
1.0

Identifier

Title
DataCite
Code
doi:10.25901/ht6k-4959
Codespace
http://dx.doi.org

Publisher

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

Author

University of Western Australia - Beringer, Jason ()
35 Stirling Hwy, Crawley, Perth, WA, 6009, Australia
Crawley, Perth
WA
6009
Australia
+61 2 6246 5588

Author

Charles Darwin University - Hutley, Lindsay ()
Ellengowan Dr, Casuarina, NT, 0815, Australia
Casuarina
NT
0815
Australia
+61 2 6246 5588

Co-author

Charles Darwin University - Northwood, Matthew ()
Ellengowan Dr, Casuarina, NT, 0815, Australia
Casuarina
NT
0815
Australia
+61 2 6246 5588
Website
https://www.tern.org.au/

Purpose
The purpose of the Dry River Flux Station is to: <br /> Provide information as part of a larger network of flux stations established along the North Australian Tropical Transect (NATT) gradient, which extends ~1000 km south from Darwin 12.5°S. <br /> Examine spatial patterns and processes of land-surface-atmosphere exchanges (radiation, heat, moisture, CO2 and other trace gasses) across scales from leaf to landscape scales within Australian savannas. <br /> Determine the climate and ecosystem characteristics (physical structure, species composition, physiological function) that drive spatial and temporal variations of carbon, water and energy fluxes from north Australian savanna. <br /> Determine if fluxes of carbon, water vapour and heat over the various ecosystems as derived from the various measurement techniques can be to form a comprehensive and consistent estimate of the regional fluxes and budgets across the landscape.
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.
Credit
The site is managed by the University of Western Australia and Charles Darwin University. The flux station is part of the Australia OzFlux Network and the international FLUXNET Network.
Status
Completed

Point of contact

University of Western Australia - Beringer, Jason ()
35 Stirling Hwy, Crawley, Perth, WA, 6009, Australia
35 Stirling Hwy
Crawley, Perth
WA
6009
Australia
02 6249 9182/9781

Point of contact

Charles Darwin University - Hutley, Lindsay ()
Ellengowan Dr, Casuarina, NT, 0815, Australia
Ellengowan Dr
Casuarina
NT
0815
Australia
02 6249 9182/9781
Topic category
  • Climatology, meteorology, atmosphere

Extent

Description
Approximately 89 km south of Katherine, Northern Territory.
N
S
E
W


Temporal extent

Time period
2009-10-25 2022-08-20
Title
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
Website
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

Related documentation

Title
Isaac, Peter et al., 2017. OzFlux data: network integration from collection to curation. Biogeosciences, 14(12). doi:10.5194/bg-14-2903-2017
Website
Isaac, Peter et al., 2017. OzFlux data: network integration from collection to curation. Biogeosciences, 14(12). doi:10.5194/bg-14-2903-2017

Related documentation

Maintenance and update frequency
Not planned
GCMD Science Keywords
  • BIOGEOCHEMICAL PROCESSES
  • LAND PRODUCTIVITY
  • EVAPOTRANSPIRATION
  • TERRESTRIAL ECOSYSTEMS
  • ATMOSPHERIC PRESSURE MEASUREMENTS
  • TURBULENCE
  • WIND SPEED
  • WIND DIRECTION
  • TRACE GASES/TRACE SPECIES
  • CARBON DIOXIDE
  • PHOTOSYNTHETICALLY ACTIVE RADIATION
  • LONGWAVE RADIATION
  • SHORTWAVE RADIATION
  • INCOMING SOLAR RADIATION
  • HEAT FLUX
  • AIR TEMPERATURE
  • PRECIPITATION AMOUNT
  • HUMIDITY
  • SOIL MOISTURE/WATER CONTENT
  • SOIL TEMPERATURE
ANZSRC Fields of Research
  • ATMOSPHERIC SCIENCES
  • ECOLOGICAL APPLICATIONS
  • Ecosystem Function
  • ENVIRONMENTAL SCIENCE AND MANAGEMENT
  • Environmental Monitoring
  • SOIL SCIENCES
TERN Platform Vocabulary
  • Dry River Flux Station
TERN Instrument Vocabulary
  • Vaisala HMP45C
  • Campbell Scientific TCAV Averaging Soil Thermocouple Probe
  • LI-COR LI-7500
  • Kipp&Zonen CNR4
  • Kipp&Zonen NR Lite
  • HyQuest Solutions CS700
  • Campbell Scientific CS616
  • Campbell Scientific CSAT3
TERN Parameter Vocabulary
  • water vapor saturation deficit in air
  • surface upward flux of available energy
  • vertical wind
  • surface air pressure
  • mole fraction of water vapor in air
  • longitudinal component of wind speed
  • air temperature
  • surface downwelling shortwave flux in air
  • gross primary productivity
  • surface upward latent heat flux
  • lateral component of wind speed
  • magnitude of surface downward stress
  • surface upwelling shortwave flux in air
  • wind from direction
  • net ecosystem exchange
  • net ecosystem productivity
  • ecosystem respiration
  • relative humidity
  • wind speed
  • specific humidity
  • surface net downward radiative flux
  • mass concentration of water vapor in air
  • Monin-Obukhov length
  • specific humidity saturation deficit in air
  • volume fraction of condensed water in soil
  • soil temperature
  • surface friction velocity
  • surface downwelling longwave flux in air
  • surface upward mole flux of carbon dioxide
  • downward heat flux at ground level in soil
  • thickness of rainfall amount
  • mole fraction of carbon dioxide in air
  • surface upwelling longwave flux in air
  • water vapor partial pressure in air
  • water evapotranspiration flux
  • surface upward sensible heat flux
GCMD Horizontal Resolution Ranges
  • Point Resolution
GCMD Temporal Resolution Ranges
  • 1 minute - < 1 hour
Keywords (Discipline)
  • Eddy Covariance
  • open forest savanna
  • AU-Dry

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 /><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

Resource constraints

Classification
Unclassified

Distribution Information

Distributor

Distributor

Terrestrial Ecosystem Research Network
Building 1019, 80 Meiers Rd, Indooroopilly, QLD, Australia, 4068
Indooroopilly
QLD
4068
Australia
+61 2 3365 9097
OnLine resource
NetCDF files (2022_v2)

OnLine resource
Read me

Data quality info

Hierarchy level
Dataset
Other
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 .

Resource lineage

Statement
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 .
Hierarchy level
Dataset

Reference System Information

Reference system identifier
EPSG/EPSG:4326

Reference system type
Geodetic Geographic 2D

Metadata

Metadata identifier
urn:uuid/a24c9db0-52ed-455a-8d15-53ba097008e7

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
Title
Dry River Flux Data Collection

Identifier

Code
f5d2698d-6f9e-46b7-8902-4a9eb5919b14
Codespace
https://geonetwork.tern.org.au/geonetwork/srv/eng/catalog.search#/metadata/
Description
Parent Metadata Record

Type of resource

Resource scope
Dataset
Metadata linkage
https://geonetwork.tern.org.au/geonetwork/srv/eng/catalog.search#/metadata/a24c9db0-52ed-455a-8d15-53ba097008e7

Point-of-truth metadata URL

Date info (Creation)
2022-03-17T00:00:00
Date info (Revision)
2022-11-11T00:00:00

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
ATMOSPHERIC SCIENCES ECOLOGICAL APPLICATIONS ENVIRONMENTAL SCIENCE AND MANAGEMENT Ecosystem Function Environmental Monitoring SOIL SCIENCES
GCMD Science Keywords
AIR TEMPERATURE ATMOSPHERIC PRESSURE MEASUREMENTS BIOGEOCHEMICAL PROCESSES CARBON DIOXIDE EVAPOTRANSPIRATION HEAT FLUX HUMIDITY INCOMING SOLAR RADIATION LAND PRODUCTIVITY LONGWAVE RADIATION PHOTOSYNTHETICALLY ACTIVE RADIATION PRECIPITATION AMOUNT SHORTWAVE RADIATION SOIL MOISTURE/WATER CONTENT SOIL TEMPERATURE TERRESTRIAL ECOSYSTEMS TRACE GASES/TRACE SPECIES TURBULENCE WIND DIRECTION WIND SPEED

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