2024
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<br>This release consists of flux tower measurements of the exchange of energy and mass between the surface and the atmospheric boundary-layer using eddy covariance techniques. Data were processed using PyFluxPro (v3.4.17) 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).</br> <br /> The flux station was established in 2017 in Wandoo Woodland, which is surrounded by broadacre farming. About 80% of the overstorey cover is <em>Eucalyptus accedens</em>. Climate information comes from the nearby Pingelly BOM AWS station 010626 (1991 to 2016) and shows mean annual precipitation is approximately 445 mm with highest rainfall in June and July of 81 mm each month. Maximum and minimum annual rainfall is 775 and 217 mm, respectively. Maximum temperatures range from 31.9 °C (in Jan) to 15.4 °C (in July), while minimum temperatures range from 5.5 °C (in July) to 16.0 °C (in Feb). The Noongar people are the traditional owners at Boyagin. <br />
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<br>This release consists of flux tower measurements of the exchange of energy and mass between the surface and the atmospheric boundary-layer using eddy covariance techniques. Data were processed using PyFluxPro (v3.4.17) 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).</br><br> The site is woodland savanna with an overstory co-dominated by tree species <em>Eucalyptus tetrodonta</em>, <em>Corymbia latifolia</em>, <em>Terminalia grandiflora</em>, <em>Sorghum sp.</em> and <em>Heteropogon triticeus</em>. Average canopy height measures 16.4 m. Elevation of the site is close to 110 m and mean annual precipitation at a nearby Bureau of Meteorology site is 1,170 mm. Maximum temperatures range from 31.2 °C (in June) to 37.5 °C (in October), while minimum temperatures range from 12.6 °C (in July) to 23.8 °C (in January). Maximum temperatures range seasonally by 6.3 °C and minimum temperatures by 11.2 °C. <br /><br />The instrument mast is 23 m 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.<br /><br>Ancillary measurements taken at the site include LAI, leaf-scale physiological properties (gas exchange, leaf isotope ratios, nitrogen and chlorophyll concentrations), vegetation optical properties and soil physical properties. Airborne based remote sensing (Lidar and hyperspectral measurements) was carried out across the site in September 2008. <br /><br />
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<br>This release consists of flux tower measurements of the exchange of energy and mass between the surface and the atmospheric boundary-layer using eddy covariance techniques. Data were processed using PyFluxPro (v3.4.17) 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).</br> <br>This is a topographically flat area, primarily comprised of the following soil types: sandy loams, scattered clays, red brown earths, transitional red brown earth, sands over clay and deep sands. Stream valleys and layered soil and sedimentary materials are found across the landscape.</br> <br>The flux station tower extends to 20 m, however flux measurements are recorded from slightly lower than this. Mean annual precipitation from the nearby Bureau of Meteorology is 465 mm. Maximum temperatures ranged from 16.6 °C (in July) to 37.4 °C (in January), while minimum temperatures ranged from 11.8 °C (in July) to 29.0 °C (in January). Maximum temperatures varied on a seasonal basis by approximately 20.8 °C and minimum temperatures by 17.2 °C.</br> <br>The site is within a wider research area (60 x 60 km) that supports a network of flux stations, which have been in operation since late 2001.</br>
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<br>This release consists of flux tower measurements of the exchange of energy and mass between the surface and the atmospheric boundary-layer using eddy covariance techniques. Data were processed using PyFluxPro (v3.4.17) 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).</br><br> The site is woodland savanna with an overstory co-dominated by tree species <em>Eucalyptus tetrodonta</em>, <em>Corymbia latifolia</em>, <em>Terminalia grandiflora</em>, <em>Sorghum sp.</em> and <em>Heteropogon triticeus</em>. Average canopy height measures 16.4 m. Elevation of the site is close to 110 m and mean annual precipitation at a nearby Bureau of Meteorology site is 1,170 mm. Maximum temperatures range from 31.2 °C (in June) to 37.5 °C (in October), while minimum temperatures range from 12.6 °C (in July) to 23.8 °C (in January). Maximum temperatures range seasonally by 6.3 °C and minimum temperatures by 11.2 °C. <br /><br />The instrument mast is 23 m 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.<br /><br>Ancillary measurements taken at the site include LAI, leaf-scale physiological properties (gas exchange, leaf isotope ratios, nitrogen and chlorophyll concentrations), vegetation optical properties and soil physical properties. Airborne based remote sensing (Lidar and hyperspectral measurements) was carried out across the site in September 2008. <br /><br />
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<br>This release consists of flux tower measurements of the exchange of energy and mass between the surface and the atmospheric boundary-layer using eddy covariance techniques. Data were processed using PyFluxPro (v3.4.17) 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).</br> <br>The site is classified as box woodland, dominated by two main eucalypt species: <em>Eucalyptus microcarpa</em> (grey box) and <em>Eucalyptus leucoxylon</em> (yellow gum). The site has an elevation of 165 m. Mean annual precipitation measured by the nearby Bureau of Meteorology site is 558 mm. Maximum temperatures range from 12.6 °C (in July) to 29.8 °C (in January), while minimum temperatures range from 3.2 °C (in July) to 14.2 °C (in February). Maximum temperatures vary on a seasonal basis by approximately 17.2 °C and minimum temperatures by 11.0 °C.</br> <br>The instrument mast is 36 m 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>
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<br>This release consists of flux tower measurements of the exchange of energy and mass between the surface and the atmospheric boundary-layer using eddy covariance techniques. Data were processed using PyFluxPro (v3.4.17) 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).<br /> <br /> The site is classified as an open woodland savanna. The overstory is co-dominated by tree species <em>Eucalyptus miniata</em> and <em>Eucalyptus tentrodonata</em>, and average tree height is 14-16 m. Elevation of the site is close to 64 m and mean annual precipitation is 1750 mm. Maximum temperatures range from 30.4 °C (in July) to 33.2 °C (in November), while minimum temperatures range from 19.3 °C (in July) to 25.4 °C (in November). Therefore, the maximum and minimum range varies from 7 °C (wet season) to 11 °C (dry season).<br /><br /> The instrument mast is 23 m 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 /><br />
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<br>This release consists of flux tower measurements of the exchange of energy and mass between the surface and the atmospheric boundary-layer using eddy covariance techniques. Data were processed using PyFluxPro (v3.4.17) 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).</br> <br>The Cape Tribulation flux station was located in the land that is adjacent to the Daintree National Park which is part of the Wet Tropics World Heritage Area (WTWHA). The site is flanked to the west by coastal ranges rising to more than 1400 m and to the east by the Coral Sea. The red clay loam podzolic soils are of metamorphic origin and have good drainage characteristics. The metamorphic rocks grade into granite boulders along Thompson Creek which runs along the northern boundary of the site. The crane site itself is gently sloping but the fetch area makes the site one of very complex terrain. The forest is classed as complex mesophyll vine forest (type 1a) and has an average canopy height of 25m. The dominant canopy trees belong to the <i>Apocynaceae</i>, <i>Arecaceae</i>, <i>Euphorbiaceae</i>, <i>Lauraceae</i>, <i>Meliaceae</i>, <i>Myristicaceae</i> and <i>Myrtaceae</i> families. The forest is continuous for several kilometres around the crane except for an area 300 m due east of the crane, which is regrowth forest. Annual average rainfall at the site is around 5180 mm and is strongly seasonal, with 66% falling between January and April (wet season). Mean daily temperature ranges from 26.6 °C in February to 21.2 °C in July. </br> <br> Tropical cyclones are a frequent occurrence in Far North Queensland. These severe tropical storm systems are natural phenomena which play a major role in determining the ecology of Queensland's tropical lowland rainforests. In March 1999 Tropical Cyclone Rona (Category 3) passed over the Cape Tribulation area causing widespread damage (gusts >170 km/h). At the site several large trees fell, nearly all of the remaining trees were stripped of leaves and the lianas towers were torn to ground level. </br> <br> The flux station was mounted at the 45 m level on the tower of the Australian Canopy Crane external link. The canopy crane is a Liebherr 91 EC, freestanding construction tower crane. The crane is 48.5 m tall with a radius of 55 m enabling access to 1 hectare of rainforest. Fluxes of heat, water vapour and carbon dioxide were measured using the open-path eddy covariance technique. Supplementary measurements above the canopy included temperature, humidity, rainfall, total solar; these measurements have continued post the flux system decommissioning. Heat flux, soil temperature and water content (time domain reflectometry) were measured in proximity to the flux station; these measurements have continued post the flux system decommissioning. Detailed biometric measurements are made at the crane site and all trees have regular (5 yearly) dbh measurements and canopy mapping carried out. Monitoring bores (3) are located on site. Leaf litter measurements are carried out on a monthly basis.
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<br>This release consists of flux tower measurements of the exchange of energy and mass between the surface and the atmospheric boundary-layer using eddy covariance techniques. Data were processed using PyFluxPro (v3.4.17) 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).</br> <br>Tumbarumba flux station is located in Bago State Forest in south eastern New South Wales. It was established in 2000 and is managed by CSIRO Marine and Atmospheric Research. The forest is classified as wet sclerophyll, the dominant species is <em>Eucalyptus delegatensis</em>, and average tree height is 40 m. Elevation of the site is 1200 m and mean annual precipitation is 1000 mm. Bago and Maragle State Forests are adjacent to the south west slopes of southern New South Wales and the 48,400 ha of native forest have been managed for wood production for over 100 years. The instrument mast is 70 m tall. Fluxes of heat, water vapour and carbon dioxide are measured using the open-path eddy flux technique. Supplementary measurements above the canopy include temperature, humidity, wind speed, wind direction, rainfall, incoming and reflected shortwave radiation and net radiation. Profiles of temperature, humidity and CO<sub>2</sub> are measured at seven levels within the canopy. Soil moisture content is measured using time domain reflectometry. Soil heat fluxes and temperature are also measured. Hyper-spectral radiometric measurements are being used to determine canopy leaf-level properties.</br>
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<br>This release consists of flux tower measurements of the exchange of energy and mass between the surface and the atmospheric boundary-layer using eddy covariance techniques. Data were processed using PyFluxPro (v3.4.17) 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).</br> <br /> The flux station is located within an area of dryland agriculture. The surrounding area is dominated by broadacre farming practices. The vegetation cover is predominantly pasture. Elevation of the site is close to 330 m. Climate information comes from the nearby Pingelly BoM AWS station 010626 (1991 to 2016) and shows mean annual precipitation is approximately 445 mm with highest rainfall in June and July of 81 mm each month. Maximumum and minuimum annual rainfall is 775 and 217 mm, respectively. Maximum temperatures range from 31.9 °C (in Jan) to 15.4 °C (in July), while minimum temperatures range from 5.5 °C (in July) to 16.0 °C (in Feb).<br /><br />
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<br>This release consists of flux tower measurements of the exchange of energy and mass between the surface and the atmospheric boundary-layer using eddy covariance techniques. Data were processed using PyFluxPro (v3.4.17) 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).</br> <br> The Otway flux station was located at Narrinda South in south west Victoria, Australia.The pasture was grazed by dairy cattle with average grass height of 0.1 m. Annual average rainfall at the site was around 800 mm and was only moderately seasonal. Mean daily temperature ranged from 25 °C in February to 12 °C in July. The flux station was situated on a 10 m tower. Fluxes of heat, water vapour and carbon dioxide were measured using the open-path eddy covariance technique. Supplementary measurements included temperature, humidity, rainfall, total solar, photosynthetically active radiation (PAR) and net radiation. Soil temperature and heat flux were also measured. The Otway flux station was established in February 2007 on private land at Nirranda South and managed by CSIRO Marine and Atmospheric Research staff as part of the Cooperative Research Centre for Greenhouse Gas Technologies.<br /> <br><br>
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