TBK: Taehwa Broadleaf forestGeneral site detail (Updated 10 September 2024) Site name
Taehwa Broadleaf forest
AsiaFlux code
TBK
Location Docheok-myeon, Gwangju-si, Gyeonggi-do,
Republic of Korea
Position 37° 18'15" N, 127° 18'50" E
Elevation 251 m a.s.l
Slope Dominant slopes 10~25°
Terrain type
Mountainous area
Area 497 ha
Fetch 400m ×ばつ 200m
Climate Temperate (snow -winter dry- hot summer) (Dwa)
Mean annual air temperature
11.67 °C (2015)
Mean annual precipitation
939.4 mm (2015)
Vegetation type
Mixed deciduous/coniferous forest
Dominant species (Overstory)
Pinus spp. and Quercus spp.
Dominant species (Understory)
Styracaceae obassia and Morus bombycis
Canopy height
19.5 m
Age 40 - 60 years
LAI Foliage Area Index, 1 ~ 6 (±1), max in June
Soil type
loam
ObservationsEddy Covariance method (CO2) System Enclosed path (CO2 flux, latent heat flux)
Wind speed
3D sonic anemometer (CSAT3)
Sonic temperature
3D sonic anemometer (CSAT3)
Water vapor
Enclosed path infrared gas analyzer (LI7200)
CO2 Enclosed path infrared gas analyzer (LI7200)
Measurement height
27 m
Sampling frequency
10 Hz
Averaging time
30 min.
Data logger CR3000, CSI
Data storage
HD
Original data
Raw data (and statistics)
Meteorology Observation items
Levels / Depth
Instrument
Global solar radiation
(incoming)
27 m
Net radiometer
(CNR4, Kipp & Zonen, Netherlands)
Global solar radiation
(outgoing)
27 m
Net radiometer (CNR4)
Long-wave radiation
(incoming)
27 m
Net radiometer (CNR4)
Long-wave radiation
(outgoing)
27 m
Net radiometer (CNR4)
Net radiation
27 m
Net radiometer (CNR4)
PPFD (incoming)
26 m
Quantum Sensor
(LI190, Li-Cor, USA)
Air temperature
26 m
Humidity and Temperature Probe
(HMP60, Vaisala, Finland)
27, 20, 16, 8, 5, 3,
1, 0.1 m
Profile system
(AP200, Campbell Sci., Inc., USA)
Humidity 26 m
Humidity and Temperature Probe
(HMP60)
Soil temperature
0 ~ -0.1 m
Soil thermocouple probe
(TCAV, CSI)
Soil heat flux
-0.1 m, -0.03 m
Heat flux plate (HFP01, Hukseflux Thermal Sensors B.V., Finlands)
Soil water content
0 ~ -0.1m, -0.1 ~
-0.3 m, -0.3 ~ -0.6m
Water content reflectometer
(CS616, CSI)
Wind speed
27 m
3D sonic anemometer
(CSAT3, CSI)
Wind direction
27 m
3D sonic anemometer (CSAT3)
Barometric pressure
27 m
Enclosed path infrared gas
analyzer (LI7200, Li-Cor)
Precipitation 21 m
Tipping Bucket
(TE525, Texas Electronics, USA)
CO2 concentration
27, 20, 16, 8, 5, 3,
1, 0.1 m
Profile system (AP200, CSI)
H2O concentration
27, 20, 16, 8, 5, 3,
1, 0.1 m
Profile system (AP200, CSI)
Leaf wetness
20, 16, 8, 0.1 m
leaf-wetness sensor (LWS-L,
Decagon Devices Inc., USA)
Other Photosynthesis Portable chamber (LI6400, Li-Cor)
Ecological Investigation
Dendrometer band
Transpiration Granier-type Sap flow measurement