HBG: Haibei Potentilla fruticisa bosk Site
General site detail (Updated 11 August 2014) Site name
| Haibei Potentilla fruticisa bosk Site | AsiaFlux site code
| HBG
| | Location | the northeastern part of the Qinghai-Tibetan Plateau | | Position | 101°12' ~ 101°23'E, 37°29' ~ 37°45' N | | Elevation | 756 m above sea level | | Slope |
| Terrain type
| mild hypsography, flood land and low hills are dominant landscapes in this area | | Area |
| | Fetch | | | Climate | highland continental climate
| Mean annual air temperature
| - 1.7 deg C
| Mean annual precipitation
| 600 mm (long term) | Vegetation type
| typical frigid vegetation of Northern Qinghai-Tibetan Plateau
| Domestic species (Overstory)
| Potentilla fruticisa, Kobresia humilis,
Kobresia tibetica
| Dominant species (Understory)
| - | Canopy height
| -
| | Age | -
| | LAI | -
| Soil type
| alpine meadow soil, alpine scrubby meadow soil, and swamp soil
|
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
|
| 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)
| 1.2 m | CM11 (Kipp & Zonen, The Netherlands) | Global solar
radiation (outgoing)
|
| | Long-wave radiation(incoming)
| 1.2 m | CNR1 (Kipp & Zonen, The Netherlands) | | Long-wave radiation(outgoing) | 1.2 m | CNR1 (Kipp & Zonen, The Netherlands) | Net radiation
| 1.2 m | CNR1 (Kipp & Zonen, The Netherlands) | PPFD (incoming)
| | | PPFD (outgoing)
| - | | Direct / diffuse radiation
| - | | Direct / diffuse PPFD
| - | | Air temperature
| 1.2 m. 2.2m
| HMP45C, VAISALA, Finland | | Humidity | 1.2 m. 2.2m | HMP45C, VAISALA, Finland
| Soil temperature
| -5cm,-10cm,-20cm,-40cm,-80cm/-2cm,-5cm,-10cm,-20cm,-50cm
| Probe (105T/107, CAMPBELL SCIENTIFIC) | Soil heat flux
| -5cm
| Heat flux plate (HFP01, HUKSEFLUX) | Soil water
content
| -20 cm, -40cm
| CS616, Campbell Scientific Inc., Logan, UT, USA | Wind speed
| 1.2 m, 2.2m
| Anemometer (A100R, VECTOR INSTRUMENTS) | Wind direction
| 2.2 m | Wind vane (W200P, VECTOR INSTRUMENTS) | Barometric
pressure
| 1.2 m
| Barometer (CS105, VAISALA) | | Precipitation | 1.2 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
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