K04:Kubuqi forest plantation General site detail (Updated 24 July 2007)
Site name
Kubuqi forest plantation
AsiaFlux site code
K04
Location
Kubuqi desert, Inner Mongolia, China
Position
108º 41' 37'' E, 40º 32' 18'' N
Elevation
1024 m above sea level
Slope
N/A
Terrain type
Flat
Area
More than 100 ha
Fetch
1000 m
Climate
Temperate continental climate
Mean annual air temperature
6.3 deg C
Mean annual precipitation
300 mm
Vegetation type
Poplar forest plantation
Domestic species (Overstory)
Poplar (Populus spp.)
Dominant species (Understory)
N/A
Canopy height
About 3-4 m
Age
4 years
LAI
0.23 (2006)
Soil type
Sandy soil
Observations Eddy Covariance method (CO2)
System
Open- path system (CO2 flux, latent heat flux)
Wind speed
Three-dimensional sonic anemometer (CSAT-3, Campbell Scientific Inc., Logan, UT, USA)
Air temperature
Three-dimensional sonic anemometer (CSAT-3, Campbell Scientific Inc., Logan, UT, USA)
Water vapor
Open-path CO2/H2O analyzers (LI-7500, LI-COR, USA)
CO2
Open-path CO2/H2O analyzers (LI-7500 LI-COR, USA)
Measurement height
10 m
Sampling frequency
10 Hz
Averaging time
30 min
Data logger
CR5000 (CSI, USA)
Data storage
CF
Original data
Raw data
Meteorology
Observation items
Levels/ Depth
Instrument
Global solar radiation(incoming)
10 m
CNR1 (Kipp and Zonen, Delft, Holland)
Global solar radiation (outgoing)
10 m
CNR1 (Kipp and Zonen, Delft, Holland)
Long-wave radiation(incoming)
10 m
CNR1 (Kipp and Zonen, Delft, Holland)
Long-wave radiation(outgoing)
10 m
CNR1 (Kipp and Zonen, Delft, Holland)
Net radiation
10 m
CNR1 (Kipp and Zonen, Delft, Holland)
PPFD (incoming)
8 m
Li190SB,Li-Cor Inc., Lincoln, NE, USA
PPFD (outgoing)
-
Direct / diffuse radiation
-
Direct / diffuse PPFD
-
Air temperature
2, 5, 10 m
HMP-45C, Vaisala, Helsinki, Finland
Humidity
2, 5, 10 m
HMP-45C, Vaisala, Helsinki, Finland
Soil temperature
5, 10, 20 cm
Model 107, Campbell Scientific Inc., Logan, UT, USA
Soil heat flux
2 cm
HFT-3, Campbell Scientific Inc., Logan, UT, USA
Soil water content
0-10 cm
Campbell Scientific Inc., Logan, UT, USA
Wind speed
10 m
CSAT-3, Campbell Scientific Inc., Logan, UT, USA
Wind direction
10 m
CSAT-3, Campbell Scientific Inc., Logan, UT, USA
Barometric pressure
-
Precipitation
10 m
TE525, Texas Electronics, Texas, USA
CO2 concentration
10 m
Li 7500, Li-Cor Inc., Lincoln, NE, USA
Other
Soil respiration
Li6400 (LI-COR)
Photosynthesis
Li6400 (LI-COR)
Ecological investigation
LAI (Li3000A, LI-COR)
Observation Period and data Availability
Measurement Period
from June 2005 to present
Measurement Frequency
Continuous
Data Availability
N/A
Contact
Shiping Chen (spchen [at] ibcas.ac.cn) Institute of Botany, the Chinese Academy of Sciences20 Nanxincun, Xiangshan, Haidian District, Beijing 100093, P. R. China Tel: +86-10-62836279; Fax: +86-10-62599059
[Soil respiration and vegetation survey] Long Wei (johnweilong [at] ibcas.ac.cn)Institute of Botany, the Chinese Academy of Sciences20 Nanxincun, Xiangshan, Haidian District, Beijing 100093, P. R. China
Infrastructure
Tower, Electrical power (AC), Accommodation
Research Fund
The equipments of tower were funded by Institute of Botany, CAS; The maintenance of tower was partly supported by "100 Talents" project of CAS to Dr. Guanghui Lin and National Aeronautics and Space Administration (NASA) Grant (NEWS 2004 NRA: NN-H-04-Z-YS-005- N) of the Land-Cover / Land-Use Program
Calibration Information
Open-path analyzers were calibrated twice per year with standard CO2 gases and a dew point generator (LI610, LI-COR).
