HRK: Hari Rural Rice Paddy
General site details
| 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 |
| Dominant 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 |
Observation
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 | |
| 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) |
| CO2 concentration | 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.