AUY:Australia Yanco site

General site detail　(Updated 9 June 2014)

Site name	Australia Yanco site
AsiaFlux site code	AUY
Location	Yanco, NSW, Australia
Position	34°59.3’S, 146°17.5’E
Elevation	Elevation 125m above sea level
Slope	-
Terrain type	flat
Area	-
Fetch	800m
Climate	Grassland, warm (persistently dry) (Bsk)
Mean annual air temperature	Max: 23.4°C  Min: 10.0°C (based on mean from 1969 to 2014 at the Narrandera Golf Club)
Mean annual precipitation	468 mm/year (based on mean rainfall from 1969 to 2014 at the Narrandera Golf Club)
Vegetation type	Grass and pasture
Domestic species (Overstory)	-
Dominant species (Understory)	Native grasses
Canopy height	none
Age	Planted in 1987
LAI	1.4 m2 m-2 (max)
Soil type	Based on borehole log: Top Soil (0-15cm): Silty CLAY; high plasticity, grey brown 15-90cm: Silty CLAY; medium plasticity, grey brown, trace sand [USCS symbol: CI] 90-130cm: Silty CLAY; medium plasticity, yellow brown, with fine sand [CI] 130-200cm: Silty CLAY; medium plasticity, mottled orange brown grey, with fine sand [CI] 200-280cm: Silty CLAY; low to medium plasticity, orange brown, with fine sand [CL-CI] 280-340cm Silty SAND; fine to medium grained, brown, fines of low plasticity [SM] 340-400cm Silty SAND; fine to coarse grained, orange brown, fines of low plasticity [SM] 400-450cm Sandy Silty CLAY; low to medium plasticity, fine to coarse sand [CL-CI]

Observations
Flux tower system

Observation items	Levels/ Depth	Instrument
X direction of wind component velocity	6 m	3D Sonic Anemometer.(C-SAT3, Campbell)
Y direction of wind component velocity	6 m	3D Sonic Anemometer.(C-SAT3, Campbell)
Z direction of wind component velocity	6 m	3D Sonic Anemometer.(C-SAT3, Campbell)
Temperature  (sonic virtual temperature)	6 m	3D Sonic Anemometer.(C-SAT3, Campbell)
Global solar radiation (downward)	2 m	Pyranometers (CMP21, Kipp&Zonen)
Global solar radiation (upward)	2 m	Pyranometers (CMP21, Kipp&Zonen)
Long-wave   radiation (downward)	2 m	Pyranometers (CMP4, Kipp&Zonen)
Long-wave radiation (upward)	2 m	Pyranometers (CMP4, Kipp&Zonen)
Photon active radiation (PAR, downward)	2 m	PAR Quantum Sensor (PSQ1, Kipp&Zonen)
Photon active radiation (PAR, upward)	2 m	PAR Quantum Sensor (PSQ1, Kipp&Zonen)
Air temperature	2, 4, 8, 16 m	Platinum resistance thermometer and capacitive hygrometer (HMP155, Vaisala)
Humidity	2,4,8,16 m	Platinum resistance thermometer and capacitive hygrometer (HMP155, Vaisala)
Ground surface temperature	2 m	Infrared Radiometer. (SI-111, Cambell)
Soil temperature	0.03,0.10, 0.15, 0.45, 0.75 m Depth	Platinum resistance thermometer (Pt100)
Soil heat flux	0.03, 0.07 m depth	Heat flux plate (HF-HFP01, Hukse flux)
Soil water content	0.03,0.10, 0.15, 0.45, 0.75 m Depth	TDR sensor (TRIME-PICO32, Imko)
Wind speed	2, 4, 8, 16 m	3-cup anemometer (34B, Met One)
Wind direction	2, 4, 8, 16 m	3-cup anemometer (34B, Met One)
CO2 concentration	6 m	Three-Dimensional Ultrasonic Anemometer (LI-7500A, LI-COR)
H2O concentration	6 m	Three-Dimensional Ultrasonic Anemometer (LI-7500A, LI-COR)
Air pressure	6 m	PTB201 Digital Barometer
Precipitation	0.7m	Tipping-bucket rainguage with heater (TKF-1-UD [Tipping Bucket Type], Takeda)
Barometric pressure	0.4 m	Barometer (PTB210, Vaisala Digital Barometer)

Automatic weather station

Observation items	Levels/ Depth	Instrument
Air temperature	2.2 m	Platinum resistance thermometer and capacitive hygrometer (HMP155, Vaisala)
Relative humidity	2.2 m	Platinum resistance thermometer and capacitive hygrometer (HMP155, Vaisala)
Air pressure	2.2 m	Multi-weather Sensors (WTX520, Vaisala)
Wind speed	2.2 m	Multi-weather Sensors (WTX520, Vaisala)
Wind direction	2.2 m	Multi-weather Sensors (WTX520, Vaisala)
Rain intensity	2.2 m	Multi-weather Sensors (WTX520, Vaisala)
Ground surface temperature	2.2 m	Infrared Radiometer. (SI-111, Cambell)
Soil temperature	0.03, 0.15m	Platinum resistance thermometer (Pt100)
Soil water content	0.03, 0.15m	TDR sensor (TRIME-PICO32, Imko)
Soil Heat Flux	0.03, 0.07m	Heat flux plate (HF-HFP01, Hukse flux)

Observation Period and data Availability