QYZ: Qianyanzhou Site
General site detail (Updated 11 August 2014) Site name
| Qianyanzhou Site | AsiaFlux site code
| QYZ
| | Location | Taihe county, Jiangxi province | | Position | 26°44'N，115°04'E | | Elevation | 100 m above sea level | | Slope |
| Terrain type
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| | Area |
| | Fetch | | | Climate | typical sub-tropical monsoon climate
| Mean annual air temperature
| 18.6 deg C
| Mean annual precipitation
| 1488.8 mm (long term) | Vegetation type
| man-planted forest
| Domestic species (Overstory)
| Pinus elliottii,Pinus massoniana,
Cunninghamia lanceolata,Schima superba
| Dominant species (Understory)
| Phlomis umbrosa,Glochidion wilsonii,
Arundinella setosa,Eulalia speciosa,
Lespedeza Formosa,Rhododendron simsii | Canopy height
| 13m
| | Age | -
| | LAI | -
| Soil type
| typical red soil
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ObservationsEddy Covariance method (CO 2) | System | Open path combined with closed path system (CO2 flux, latent heat flux) | Wind speed
| Three dimensional sonic anemometer (CSAT3, CAMPBELL SCIENTIFIC)
| Air temperature
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| Water vapor
| Open and closed path CO2/H2O analyzers
(LI-7500 and LI-7000, LI-COR)
| | CO2 | Open and closed path CO2/H2O analyzers
(LI-7500 and LI-7000, LI-COR) | Measurement height
| 23 m, 39 m
| Sampling frequency
| 10 Hz | Averaging time
| 30 min | Data logger
| CR5000 (CSI USA)
| Data storage
| | Original data
| Raw data
|
Meteorology Observation items
| Levels/ Depth
| Instrument
| Global solar radiation(incoming)
| 41m | Radiometer (CNR-1, KIPP&ZONEN) | Global solar
radiation (outgoing)
| 41m
| Radiometer (CNR-1, KIPP&ZONEN) | Long-wave radiation(incoming)
| 41m | Radiometer (CNR-1, KIPP&ZONEN) | | Long-wave radiation(outgoing) | 41m | Radiometer (CNR-1, KIPP&ZONEN) | Net radiation
| 41m | Radiometer (CNR-1, KIPP&ZONEN) | PPFD (incoming)
| | | PPFD (outgoing)
| - | | Direct / diffuse radiation
| - | | Direct / diffuse PPFD
| - | | Air temperature
| 1m,7m,
11m,15m,
23mm,31m,41m
| Platinum resistance thermometer and capacitive
Hygrometer ( HMP45C, VAISALA) | | Humidity | 1m,7m,
11m,15m,
23mm,31m,41m | Platinum resistance thermometer and capacitive
Hygrometer (HMP45C, VAISALA)
| Soil temperature
| 0cm,-5cm,-20cm,-50cm,-100cm/-5cm,-10cm,-20cm,-40cm,-80cm
| Probe (105T/107, Campbell Scientific Inc., Logan, UT, USA) | Soil heat flux
| -5cm
| Heat flux plate (HFP01, HUKSEFLUX) | Soil water
content
| -5cm,-20cm,-50cm
| CS616, Campbell Scientific Inc., Logan, UT, USA | Wind speed
| 1m,7m,11m,
15m,23mm,
31m,41m
| Anemometer (A100R, VECTOR INSTRUMENTS) | Wind direction
| 41 m | Wind vane (W200P, VECTOR INSTRUMENTS) | Barometric
pressure
| 1 m
| Barometer (CS105, VAISALA) | | Precipitation | 41 m | Tipping-bucket rain gauge (52203, RM YOUNG) | CO2 concentration
| | |
Other Soil respiration
| - | | Photosynthesis | - | Ecological investigation
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Observation Period and data Availability Measurement Period
| | Measurement Frequency
| Continuous | Data Availability
| 2003-2004 in AsiaFlux database
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Contact Shao-Qiang Wang (sqwang [at] igsnrr.ac.cn)
Northwest Plateau Institute of Biology, CAS
59 Xiguan Street, Xining, 810001, P.R.China | [Others]
Hongqing Wang, Yaoming Lin, Shihuang Zhang,
Yunfen Liu, Fengting Yang
| | URL:http://www.chinaflux.org/engczd/index.aspx?nodeid=278 |
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