SAC: Sakai City Office
General site detail (Updated 15 October 2010) Site name
| Sakai City Office | AsiaFlux site code
| SAC
| | Location | Sakai, Osaka | | Position | 34º34’25’’N, 135º28’80’’E | | Elevation | 17 m | | Slope | 0.0024º(east - west) , 0.0030º (north - south) | Terrain type
| Flat plain field | | Area | - | | Fetch | Approximately 2.5 km for west, and more than
5 km for other directions | | Climate | Warm temperate | Mean annual air temperature
| 15.6ºC | Mean annual precipitation
| 1206.9 mm | Vegetation type
| Urban Canyon | Domestic species (Overstory)
| - | Dominant species (Understory)
| - | Canopy height
| - | | Age | - | | LAI | -
| Soil type
| Concrete and Asphalt |
ObservationsEddy Covariance method (CO 2) | System | Open-path system (LI-7500, LI-COR) | Wind speed
| Sonic anemometer (SAT-550, Kaijo, Japan) | Air temperature
| Sonic anemometer (SAT-550, Kaijo, Japan) | Water vapor
| Open-path CO2/H2O analyzer (LI-7500, LI-COR) | | CO2 | Open-path CO2/H2O analyzer (LI-7500, LI-COR) | Measurement height
| 111 m | Sampling frequency
| 10 Hz | Averaging time
| 30 min | Data logger
| CR1000 (Campbell, USA), Model 8421 (Hioki, Japan) | Data storage
| PC
| Original data
| Raw data |
Meteorology Observation items
| Levels/ Depth
| Instrument
| Global solar radiation(incoming)
| 111 m | Pyranometer (ML-020VM, Eko, Japan) | Global solar
radiation (outgoing)
| - | | Long-wave radiation(outgoing)
| - | | Long-wave radiation(outgoing)
| - | | Net radiation
| - | | PPFD (incoming)
| - | | PPFD (outgoing)
| - | | Direct / diffuse radiation
| - | | Direct / diffuse PPFD
| - | | Air temperature
| 108 m | Ventilated temperature and humidity sensor (HMP-45C, Campbell, USA) | | Humidity | 108 m | Ventilated temperature and humidity sensor (HMP-45C, Campbell, USA) | Soil temperature
| - | | Soil heat flux
| - | | Soil water
content
| - | | Wind speed
| 112 m | Sonic anemometer (SAT-550, Kaijo, Japan) | Wind direction
| 112 m | Sonic anemometer (SAT-550, Kaijo, Japan) | Barometric
pressure
| - |
| | Precipitation | - | | CO2 concentration
| 111 m
111 m
27.3, 16.7, 12.7, 7.8 m | Li 7500, Li-Cor Inc., Lincoln, NE, USA
IRGA (LI-840, LI-COR, USA)
IRGA (GMT343, Vaisala, Netherland)
| H2O concentration
| 111 m | Li 7500, Li-Cor Inc., Lincoln, NE, USA | | Surface temperature | 108 m | Radiative thermometer (IT-450, Horiba, Japan) |
Other Soil respiration
| - | | Photosynthesis | - | Ecological investigation
| - |
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Observation Period and data Availability Measurement Period
| from November 2008 to present
| Measurement Frequency
| Continuous | Data Availability
| 2009 in AsiaFlux Database |
Contact Masahito Ueyama (miyabi-flux [at] muh.biglobe.ne.jp)
Osaka Prefectural University1-1 Gakuen-cho Naka-ku,
Sakai, Osaka, Japan
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Infrastructure| Electric Power:(100V AC 60Hz) |
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