SMK: KoFlux Seolmacheon site (SMK) General site detail (updated 25 November 2011)
Site name
KoFlux Seolmacheon site (SMK)
AsiaFlux site code
SMK
Location
Paju, Republic of Korea
Position
37º 56' 19.99" N, 126º 57' 16.94" E
Elevation
293 m a.s.l
Slope
-
Terrain type
Complex terrain
Area
Mountainous area
Fetch
1000 m x 1000 m
Climate
Temperate(snow - winter dry - hot summer(Dwa))
Mean annual air temperature
-
Mean annual precipitation
-
Vegetation type
Mixed forest
Domestic species (Overstory)
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.
