BNS: Xishuangbanna Site

General site detail (Updated 11 August 2014)
 Site name
 Xishuangbanna Site
 AsiaFlux site code
 BNS
 Location Menlung town, Xishuangbanna, Yunnan Province
 Position 101º 12' E, 21º 57' N
 Elevation 756 m above sea level
 Slope 
 Terrain type
 Small basin surrounded by low mountains and hills
 Area 
 Fetch 
 Climate Tropical rain forest
 Mean annual air temperature
 21 deg C (long term)
 Mean annual precipitation
 1492 mm (long term)
 Vegetation type
 Tropical rain forest
 Domestic species (Overstory)
 Pometia   tomentosa,  Terminalia   myriocarpa,   Gironniera   subaequalis   and
Garuga floribunda

 Dominant species (Understory)
 -
 Canopy height
 35 m
 Age -
 LAI -
 Soil type
 -

Observations
Eddy Covariance method (CO2)
 System Open-path system  (CO2 flux, latent heat flux)
 Wind speed 
 Three dimensional sonic anemometer
 Air temperature
 Three dimensional sonic anemometer
 Water vapor
 Open-path analyzer (LI-7500, LI-COR, USA)
 CO2 Open-path analyzer (LI-7500, LI-COR, USA)
 Measurement height
 48.8 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)
 42 m CNR1 (Kipp & Zonen, The Netherlands)
 Global solar 
radiation (outgoing)
 42 m CNR1 (Kipp & Zonen, The Netherlands)
 Long-wave radiation(incoming) 
 42 m CNR1 (Kipp & Zonen, The Netherlands)
  Long-wave radiation(outgoing) 42 m CNR1 (Kipp & Zonen, The Netherlands)
 Net radiation
 42 m CNR1 (Kipp & Zonen, The Netherlands)
 PPFD (incoming)
  
 PPFD (outgoing)
 - 
 Direct / diffuse radiation
 - 
 Direct / diffuse PPFD
 - 
 Air temperature
 42 m HMP45C, VAISALA, Finland
 Humidity 42 m HMP45C, VAISALA, Finland
 Soil temperature
 5 cm 
 Probe (107, CAMPBELL SCIENTIFIC)
 Soil heat flux
 
 
 Soil water 
 content 
 5 cm
 CS616, Campbell Scientific Inc., Logan, UT, USA
 Wind speed
 70 m Anemometer (A100R, VECTOR INSTRUMENTS)
 Wind direction
 70 m Wind vane (W200P, VECTOR INSTRUMENTS)
 Barometric 
 pressure
 - 
 Precipitation 69.8 m Tipping-bucket rain gauge (52203, RM YOUNG)
 COconcentration
  
Other
 Soil respiration
 -
 Photosynthesis -
 Ecological investigation
 
 
Observation Period and data Availability
 Measurement Period
 From July 2002 to present
 Measurement Frequency
 Continuous
 Data Availability
 2003-2005 in AsiaFlux database
Contact
 Zhang Yiping (yipingzh [at] xtbg.ac.cn)
 Xishuangbanna Tropical Botanical Garden, CAS
 88 Xuefu Road, Wuhua District, Kunming, 650223, P.R. China
 [Others]
 Jianwei Tang, Min Cao, Liqing Sha, Zheng Zheng, Youxin Ma
 URL: http://www.chinaflux.org/en/3zdxx/detail.asp?channelid=10101020&sid=5