Q. variaabilis, Q. mongolica, Q. serrata, P. koraiensis
Dominant species (Understory)
-
Canopy height
15 m
Age
20-40 years (2011)
LAI
-
Soil type
-
Observations Eddy Covariance method (CO2)
System
Open-path system (CO2 flux, latent heat flux)
Wind speed
3D sonic anemometer(CSAT3, Campbell Sci., Inc., USA)
Air temperature
3D sonic anemometer(CSAT3, Campbell Sci., Inc., USA)
Water vapor
Open path(LI-7500, Li-Cor, USA)
CO2
Open path(LI-7500, Li-Cor, USA)
Measurement height
19.2 m
Sampling frequency
10 Hz
Averaging time
30 min
Data logger
CR3000 (Campbell, USA)
Data storage
HD
Original data
Statistics (Raw data is also available)
Meteorology
Observation items
Levels/ Depth
Instrument
Global solar radiation(incoming)
19.2 m
Net radiometer (CNR1, Kipp & Zonen, Netherlands)
Global solar radiation (outgoing)
19.2 m
Net radiometer (CNR1, Kipp & Zonen, Netherlands)
Long-wave radiation(incoming)
19.2 m
Net radiometer (CNR1, Kipp & Zonen, Netherlands)
Long-wave radiation(outgoing)
19.2 m
Net radiometer (CNR1, Kipp & Zonen, Netherlands)
Net radiation
19.2 m
Net radiometer (CNR1, Kipp & Zonen, Netherlands)
PPFD (incoming)
-
PPFD (outgoing)
-
Direct / diffuse radiation
-
Direct / diffuse PPFD
-
Air temperature
19.2 m
19.2, 15.2 m 19.2, 2 m
Thermocouple temperature sensor 3D sonic anemometer(CSAT3, Campbell Sci., Inc., USA) 3D sonic anemometer(81000, RM.Young, USA) AWS (WXT-510, Vaisala, Finland)
Humidity
19.2 m 19.2, 2 m
Open path(LI-7500, Li-Cor, USA) AWS (WXT-510, Vaisala, Finland)
Soil temperature
0 ~ 0.05 m, 0.05 ~ 0.1 m, 0.1 ~ 0.2 m
Soil thermocouple probe (TCAV, Campbell Sci., Inc., USA)
Soil heat flux
~ 0.01 m
Heat Flux plate (HFP01SC, Campbell Sci., Inc., USA)
Soil water content
0 ~ 0.1 m
Water content reflectometer (CS-616, Campbell Sci. Inc., USA)
Wind speed
19.2 m
19.2, 15.2 m 19.2, 2 m
Thermocouple temperature sensor 3D sonic anemometer(CSAT3, Campbell Sci., Inc., USA) 3D sonic anemometer(81000, RM.Young, USA) AWS (WXT-510, Vaisala, Finland)
Wind direction
19.2 m
19.2, 15.2 m 19.2, 2 m
Thermocouple temperature sensor 3D sonic anemometer(CSAT3, Campbell Sci., Inc., USA) 3D sonic anemometer(81000, RM.Young, USA) AWS (WXT-510, Vaisala, Finland)
Barometric pressure
19.2 m 19.2, 2 m
Open path(LI-7500, Li-Cor, USA) AWS (WXT-510, Vaisala, Finland)
Minseok Kang (ms-kang [at] yonsei.ac.kr) National Center for Agro-Meteorology, Seoul National UniversityBld.36/Rm.109, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul 151-742, Korea Phone : +82-2-871-0236 Fax : +82-2-871-0230
Joon Kim (joon [at] snu.ac.kr) Department of Landscape Architecture & Rural Systems Engineering, Seoul National UniversityComplex Systems Science Laboratory, Bld.36/Rm.108, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul 151-742, Korea Phone : +82-2-880-4663 Fax : +82-2-365-5163
Jung-Hoon Lee (ljh0817 [at] kict.re.kr) Hydrological Survey Center, 301 KINTEX Zone, Daehwa-Dong, Ilsanseo-Gu,Goyang-Si, Gyeonggi-Do, 411-806, Korea
Calibration Information
Open-path analyzers were calibrated approximately every 6 months with standard CO2 gases and a dew point generator (LI610, Li-Cor, USA)
Publication
Kwon, H., J.-H. Lee, et al. (2009). "Seasonal Variations of Evapotranspiration Observed in a Mixed forest in the Seolmacheon Catchment." Korean Journal of Agricultural and Forest Meteorology 11: 39-47.