TCK: Taehwa Conifer forest
General site details
| Site name | Taehwa Conifer forest |
|---|---|
| AsiaFlux site code | TCK |
| Location | Docheok-myeon, Gwanju-si, Gyeonggi-do, Republic of Korea |
| Position | 37° 18' 17" N, 127° 19' 02" E |
| Elevation | 187 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 |
Observation
Eddy Covariance method (CO2)
| System | Open path (CO2 flux, latent heat flux) |
|---|---|
| Wind speed | 3D sonic anemometer (CSAT3) |
| Air 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) |
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) |
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 |
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
Jeonghyun Hong (august_2[at]snu.ac.kr)
Department of Agriculture, Forestry and Bioresources,
Seoul National University
Bld.200/Rm.7205, Seoul National University, 1 Gwanak-ro, Gwanak-gu,
Seoul 08826, Korea
Phone: +82-2-880-4761 Fax: +82-50-4400-2530
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
Publication
N/A