QYZ: Qianyanzhou Site
General site details
| 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 | |
| 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 |
| Dominant 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 |
Observation
Eddy Covariance method (CO2)
| System | Open path combined with closed path system (CO2 flux, latent heat flux) |
|---|---|
| Wind speed | Three dimensional sonic anemometer (CSAT3, CAMPBELL SCIENTIFIC) |
| Air temperature | - |
| 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 | 10HZ |
| 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 |
Observation Period and Data Availability
| Measurement Period | |
|---|---|
| Measurement Frequency | Continuous |
| Data Availability | 2003-2004 in AsiaFlux database |
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