TCK: Taehwa Conifer forest
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General site detail (Updated 3 August 2023)
 Site name
 Taehwa Conifer forest
 AsiaFlux code
 TCK
 Location Docheok-myeon, Gwanju-si, Gyeonggi-do,
 Republic of Korea
 Position 37° 18' 17" N,  127° 19' 02" E
 Elevation 179 m a.s.l
 Slope Dominant slopes 5~15°
 Terrain type
 Mountainous area
 Area 27 ha
 Fetch 300m × 300m
 Climate Temperate (snow -winter dry- hot summer) (Dwa)
 Mean annual air temperature
 11.5 ℃ (2018)
 Mean annual precipitation
 1298.7 mm (2018)
 Vegetation type
 Coniferous forest
 Dominant species (Overstory)
 Pinus koraiensis
 Dominant species (Understory)
 Lindera obtusiloba, Rhus trichocarpa Miq.,
 Toxicodendron trichocarpum (Miq.) Kuntze,
 Rhododendron schlippenbachii

 Canopy height
 21 m
 Age 40 - 60 years
 LAI Leaf Area Index, 4.5 (max during summer season)
 Soil type
 Sandy loam

Observations
Meteorology
 Observation items
 Levels /
 Depth
 Instrument
 Global solar radiation
 (incoming)
 40 m
 Net radiometer
 (CNR4, Kipp & Zonen, Netherlands)
 Global solar radiation
 (outgoing)
 40 m
 Net radiometer (CNR4)
 Long-wave radiation
 (incoming)
 40 m
 Net radiometer (CNR4)
 Long-wave radiation
 (outgoing)
 40 m
 Net radiometer (CNR4)
 Net radiation
 40 m
 Net radiometer (CNR4)
 PPFD (incoming)
 40 m
 Quantum Sensor (LI190, Li-Cor, USA)
 Air temperature
 40 m
 Humidity and Temperature Probe
 (HMP60, Vaisala, Finland)
 Humidity 40 m
 Humidity and Temperature Probe
 (HMP60)
 Wind speed
 40 m
 3D sonic anemometer (CSAT3, CSI)
 Wind direction
 40 m
 3D sonic anemometer (CSAT3)
 Barometric pressure
 40 m
 Open path infrared gas analyzer
 (LI7500, Li-Cor)
 Precipitation 40 m
 Tipping Bucket
 (TE525, Texas Electronics, USA)
 
 Eddy covariance method (CO2)
 System Open path (CO2 flux, latent heat flux)
 Wind speed 3D sonic anemometer (CSAT3)
 Sonic temperature 3D sonic anemometer (CSAT3)
 Water vapor Open path infrared gas analyzer (LI7500, Li-Cor)
 CO2 Open path infrared gas analyzer (LI7500, Li-Cor)
 Measurement height 40 m
 Sampling frequency 10 Hz
 Averaging time 30 min.
 Data logger CR3000, CSI
 Data storage HD
 Original data Raw data (and statistics)
 
 
Observation Period and Data Availability
 Measurement Period
 From January 2015 to present
 Measurement Frequency
 Continuous
 Data Availability
 N/A

Contact
 Hyun-Seok Kim (cameroncrazies[at]snu.ac.kr)
 Department of Forest Sciences, Seoul National University
 Bld.200/Rm.7205, Seoul National University, 1 Gwanak-ro, Gwanak-gu,
 Seoul 08826, Korea
 Phone: +82-2-880-4761    Fax: +82-2-365-5163
 Hojin Lee (r.hojin.lee[at]snu.ac.kr)
 Department of Forest Sciences, Seoul National University
 Bld.200/Rm.7205, Seoul National University, 1 Gwanak-ro, Gwanak-gu,
 Seoul 08826, Korea
 Phone: +82-2-880-4761    Fax: +82-2-365-5136
 Jiyoung Kim (jykim77[at]korea.kr)
 Air Quality Research Division, National Institute of Environmental Research
 Hwangyong-ro 42, Seogu, Incheon 22689, Korea
 Phone: +82-32-560-7266

Infrastructure
 Tower, Electrical power (AC), Facilities for Communication

Observations cont.
Soil respiration
 Measurement method
 Automatic open-close chamber method
 Measuring system
 LI-850 (Li-Cor)
 IRGA Yes
 Flow control
 2.0 lpm
 Chamber type
 Stainless steel and acrylic chamber
 Chamber size
 30 x 30 x 30 cm
 Number of chambers
 12
 Measuring intervals
 10 min.
 Is the ground covered by snow
 in winter?
 Yes, but measurement will not be
 disrupted by it.
 Original data
 Raw data

Other
 Ecological Investigation
 Dendrometer band
 Transpiration Granier-type Sap flow measurement

Publication
 N/A