Sinyong-ri, Buryang-myeon, Gimje-si, Republic of Korea
Position
35°44´42.4˝N, 126°51´8.8˝E
Elevation
21 m a.s.l
Slope
N/A
Terrain type
flat
Area
farmland
Fetch
500m x 500m
Climate
Temperate(snow - winter dry - hot summer(Dwa))
Mean annual air temperature
12.9 ºC
Mean annual precipitation
1253 mm
Vegetation type
Crops
Domestic species (Overstory)
Rice and Barley
Dominant species (Understory)
-
Canopy height
1.2 m
Age
-
LAI
5
Soil type
Silt Loam
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
5.2 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)
2.0 m
Net radiometer (CNR1, Kipp & Zonen, Netherlands)
Global solar radiation (outgoing)
2.0 m
Net radiometer (CNR1, Kipp & Zonen, Netherlands)
Long-wave radiation(incoming)
2.0 m
Net radiometer (CNR1, Kipp & Zonen, Netherlands)
Long-wave radiation(outgoing)
2.0 m
Net radiometer (CNR1, Kipp & Zonen, Netherlands)
Net radiation
2.0 m
Net radiometer (CNR1, Kipp & Zonen, Netherlands)
PPFD (incoming)
-
PPFD (outgoing)
-
Direct / diffuse radiation
-
Direct / diffuse PPFD
-
Air temperature
3.25, 1.5 m
Temperature and RH probe (HMP45C, Vaisala, Finland)
Humidity
3.25, 1.5 m
Temperature and RH probe (HMP45C, Vaisala, Finland)
Soil temperature
0.1 m
Soil thermocouple probe (TCAV, Campbell Sci., Inc., USA)
Soil heat flux
0.1 m
Heat Flux plate (HFP-1, Campbell Sci., Inc., USA)
Soil water content
0.1 m
Water content reflectometer (CS-616, Campbell Sci. Inc., USA)
Wind speed
5.2 m
3D sonic anemometer (CSAT3, Campbell Sci., Inc., USA)
Wind direction
5.2 m
3D sonic anemometer (CSAT3, Campbell Sci., Inc., USA)
Barometric pressure
5.2 m
Open path infrared gas analyzer (LI-7500, Li-Cor, USA)
Precipitation
2.25 m
Tipping bucket rain gauge
CO2 concentration
5.2 m
Open path infrared gas analyzer (LI-7500, Li-Cor Biogeosciences, USA)
H2O concentration
5.2 m
Open path infrared gas analyzer (LI-7500, Li-Cor Biogeosciences, USA)
CH4 concentration
5.2 m
Open path laser spectroscopy gas analyzer (LI-7700, Li-Cor Biogeosciences, USA; instrument ownership: KRISS)
Fluxes of non-CO2 gases
Gas
CH4, Open path infrared gas analyzer (LI-7700, Li-Cor Biosciences, USA; instrument ownership: KRISS)
Method
Eddy covariance method
Measurement height
5.2 m
Data logger
CR3000 (Campbell Sci., Inc., USA)
Data storage
CF card
Other
Soil respiration
-
Photosynthesis
-
Ecological investigation
LAI, Plant height
Observation Period and data Availability
Measurement Period
From 2011 to present
Measurement Frequency
Continuous
Data Availability
-
Contact
Kyo-Moon Shim (kmshim@korea.kr) Yong-Seok Kim(cyberdoli@korea.kr) National Academy of Agricultural Science Rural Development Administration 166, Nongsaengmyeong-ro, Iseo-myeon, Wanju-gun, Jeollabuk-do, 565-851, Republic of Korea Phone : +82-63-238-2518 Fax : +82-63-238-3823
Minseok Kang(ms-kang@yonsei.ac.kr) National Center for Agro-Meteorology Bld.#36 (Rm.#109), Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, 151-744, South Korea Phone : +82-2-871-0236 Fax : +82-2-871-0230
Open-path analyzer (LI-7500) were calibrated approximately in every 6 months with standard CO2 gases and a dew point generator(LI-610, Li-Cor, USA)
Infrastructure
Tower, Electrical power(AC)
Research Fund
Research Program for Agricultural Science & Technology Development (Project No. PJ907228)
Development of Measurement Technology for solving Climate Change (grant 12011023)
Publication
Min, S. H., K. M. Shim et al. (2013). "Seasonal Variation of Carbon Dioxide and Energy Fluxes During the Rice Cropping Season at Rice-barley Double Cropping Paddy Field of Gimje." Korean Journal of Agricultural and Forest Meteorology 15(4): 71-74. (in Korean with English abstract)
Min, S. H., K. M. Shim et al. (2014). "Seasonal Variation of CO2 exchange During the Barley Growing Season at Rice-barley Double Cropping Paddy Field of Gimje, Korea." Korean Journal of Agricultural and Forest Meteorology 16(2): 137-145. (in Korean with English abstract)
