HRK:  Hari Rural Rice Paddy

General site detail (updated 16 February 2009)
 Site name
 Hari Rural Rice Paddy
 AsiaFlux site code
 HRK
 Location Hari, Gangwha, Korea
 Position 37° 4' N, 126° 2' E
 Elevation N/A
 Slope Flat
 Terrain type
 homogeneous
 Area -
 Fetch over 2 km for all direction
 Climate Temperate (Dwa)
 Mean annual air temperature
 10.8°(in 2001)
 Mean annual precipitation
 1139 mm(in 2001)
 Vegetation type
 rice paddy
 Domestic species (Overstory)
 Oryza sativa
 Dominant species (Understory)
 -
 Canopy height
 0.95 m
 Age Annual Plant
 LAI 3.5-5.1(Sept. 2001)
 Soil type
 Silt loam, Silt

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
 5.5 m
 Sampling frequency
 10 Hz
 Averaging time
 30 min
 Data logger
 CR5000  (Campbell, USA)
 Data storage
 HDD, CD-R
 Original data
 Raw data 

Meteorology
 Observation items
  Levels/ Depth
 Instrument 
 Global solar radiation(incoming)
 2.9 m Net radiometer
 (CNR1, Kipp & Zonen, Netherlands)
 Global solar 
radiation (outgoing)
 2.9 m Net radiometer
 (CNR1, Kipp & Zonen, Netherlands)
 Long-wave radiation(incoming) 
 2.9 m Net radiometer
 (CNR1, Kipp & Zonen, Netherlands)
  Long-wave radiation(outgoing) 2.9 m Net radiometer
 (CNR1, Kipp & Zonen, Netherlands)
 Net radiation
 2.9 m Net radiometer
 (CNR1, Kipp & Zonen, Netherlands)
 PPFD (incoming)
 2.9 m Pyranometer
 PPFD (outgoing)
 - 
 Direct / diffuse radiation
 - 
 Direct / diffuse PPFD
 - 
 Air temperature
 9 m Humidity and temperature probe
 (HMP45, Vaisala, the Netherlands)
 Humidity 9 m
 Humidity and temperature probe
 (HMP45, Vaisala, the Netherlands)
 Soil temperature
 3, 5 cm 
 Soil thermocouple probe
 (TCAV, Campbell Sci., Inc., USA)
 Soil heat flux
 8, 9 cm 
 HFT3(Campbell Scientific, USA)
 Soil water 
 content 
 0 - 9 cm  Water content reflectometer
 (CS-615, Campbell Sci. Inc., USA)
 Wind speed
 5.5  m 

 2.9 m
 3D sonic anemometer
 (CSAT3, Campbell Sci., Inc., USA)
 3cup anemometer
 (03101, RMYoung, USA)
 Wind direction
 5.5 m 3D sonic anemometer
 (CSAT3, Campbell Sci., Inc., USA)
 Barometric 
 pressure
 4 m Open path(LI-7500, Li-Cor, USA)
 Precipitation 1 m TE525(Campbell Scientific, USA)
 COconcentration
 5.5 m Open-path gas analyzer (LI-7500, Li-Cor, USA)
 H2O concentration 5.5 m Open-path gas analyzer (LI-7500, Li-Cor, USA)
Other
 Soil respiration
 -
 Photosynthesis -
 Ecological investigation
 -
 
Observation Period and data Availability
 Measurement Period
 Terminated 
 Mar. 2001 and 12 Sept. to 30 Oct.   2001 / Apr-Dec 2002
 Measurement Frequency
 Continuous
 Data Availability
 N/A
Contact
 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
 Publication
Park, Y., S. Ryoo, W. Kwon and J. Kim, 2002. On the quality of low level fluxes during Hari Intensive Field Experiment(HIFE). Korean Agricultural Forestry and Meteorology. 3(2), 129-139. (in Korean with English abstract)

Moon, B., J. Hong, B. Lee, J. Yun, E. Park, J. Kim, 2003. CO2 and energy exchange in a rice paddy for the growing season of 2002 in Hari, Korea. Korean Agricultural Forestry and Meteorology. 5(2), 51-60.

Kim, K., M. Kim, J. Kim, 2005. Application of micrometeorological approaches to measure methane exchange in a dry paddy field in the western coast of Korea. Chemosphere, 59(11), 1613-1624.