SHD: National Livestock Breeding Center, Niikappu Station
General site details
| Site name | National Livestock Breeding Center, Niikappu Station |
|---|---|
| AsiaFlux site code | SHD |
| Location | Shizunai, Shinhidaka, Hokkaido, Japan |
| Position | 42º 24' N, 142º 28' E 82-87 m above sea level (World Geodetic System 1984) |
| Elevation | 120-130 m above sea level (World Geodetic System 1984) |
| Slope | 1deg sloping down to south |
| Terrain type | almost flat |
| Area | 150x170m for each of Chemical fertilizer plot and Manure plot |
| Fetch | 100-225 m |
| Climate | cool temperate, Dfb |
| Mean annual air temperature | 7.9 deg C (1979-2000) |
| Mean annual precipitation | 1365 mm (1979-2000) |
| Vegetation type | hay meadow (Chemical fertilizer and Manure plots) |
| Dominant Species (Overstory) | orchard grass (Dactylis glomerata L.), tall fesque (Festuca arundinacea Schreb.) |
| Dominant Species (Understory) | - |
| Canopy height | Maximum 1.0 m |
| Age | 5 years in 2010 |
| LAI | - |
| Soil type | Andisol (Soil Survey Staff, 2006) |
Observation
Eddy Covariance method (CO2)
| System | Open-path system |
|---|---|
| Wind speed | Sonic anemometer-thermometer (CSAT3, Campbell Scientific) |
| Air temperature | Sonic anemometer-thermometer (CSAT3, Campbell Scientific) |
| Water vapor | NDIR (LI-7500, Li-Cor, USA) |
| CO2 | NDIR (LI-7500, Li-Cor, USA) |
| Measurement height | 2.51 m at mature plot, 2.42 m at fertilizer plot |
| Sampling frequency | 10 Hz |
| Averaging time | 30 min |
| Data logger | CR23X-4M (Campbell, USA) |
| Data storage | CF |
| Original data | Raw data |
Meteorology
| Observation items | Levels/Depth | Instrument |
|---|---|---|
| PPFD (incoming) | 1.6 m | Quantum sensor (LI-COR LI-190SA) |
| PPFD (outgoing) | 1.6 m | Quantum sensor (LI-COR LI-190SA) |
| Air temperature | 2.45 m | Ventilated Pt resistance thermometer (HMP-45A, Vaisala) |
| Humidity | 2.45 m | Capacitive hygrometer (HMP45A, Vaisala) |
| Soil temperature | -0.05, -0.1, -0.5 m | T-type thermocoupule (T-soil4, Meiwafosis |
| Soil water content | -0.05, -0.1 -0.5 m | Dielectric aquameter (EC20, DECAGON) |
| Wind speed | 2.45 m | Sonic anemometer-thermometer (CSAT3, Campbell Scientific) |
| Wind direction | 2.45 m | Sonic anemometer-thermometer (CSAT3, Campbell Scientific) |
| Barometric pressure | 2.45 m | Sonic anemometer-thermometer (CSAT3, Campbell Scientific) |
Other
| Soil respiration | Static closed chamber |
| Photosynthesis | Static closed chamber |
| Ecological Investigation | Static closed chamber |
Other Information
| Fertilizer and manure plots were established in September 2007. The plots were cut three times a year and were fertilized at the beginning of each growing cycle.Fertilizer and manure application: [Manure plot] Manure: 10 t FM (155 kg N) ha-1 yr-1, Chemical Fertilizer: 49 kg N ha- 1 yr-1, [Fertilizer plot] Chemical Fertilizer: 111 kg N ha-1 yr-1 |
Observation Period and Data Availability
| Measurement Period | from August 2007 to present |
|---|---|
| Measurement Frequency | Continuous |
| Data Availability | N/A |
Contact
Ryusuke HATANO (hatano [at] chem.agr.hokudai.ac.jp)
Graduate School of Agriculture, Hokkaido UniversityKita9,Nishi9,
Kita-ku,Sapporo,Hokkaido 060-8589,Japan
TEL : + 81-11-706-3857FAX : + 81-11-706-2494
Akira MIYATA (amiyat [at] niaes.affrc.go.jp)
Agro-Meteorology Division, National Institute for Agro-Environmental Sciences (NIAES)3-1-1, Kannondai, Tsukuba, Ibaraki 305-8604, Japan
TEL: + 81-29-838-8239FAX: + 81-29-838-8211
Mariko SHIMIZU (mariko-s [at] chem.agr.hokudai.ac.jp)
Graduate School of Agriculture, Hokkaido UniversityKita9,Nishi9,
Kita-ku,Sapporo,Hokkaido 060-8589,Japan
TEL : + 81-11-706-2503FAX : + 81-11-706-2494
Haruhiko NOZAKI (h0nozaki [at] nlbc.go.jp)
Independent Administrative Institution National Livestock Breeding Center Niikappu StationMisono587-1, Shizunai, Shin-Hidaka, Hokkaido, 056-0141, Japan
TEL : +81-146-46-2011FAX : +81-146-46-2565
Infrastructure
2.5m high tower, AC 100V
Calibration Information
Open-path analyzers were calibrated approximately every year with standard CO2 gases and a dew point generator (LI610; LI-COR Inc., USA)