IZM: Oizumi Urban Park
General site detail (Updated 10 April 2023)
Site name Oizumi Urban Park AsiaFlux site code IZM Location Sakai, Osaka, Japan Position 34°33'48.49"N, 135°32'0.54"E Elevation 22 m (Google Earth) Slope 0.11 degree, North: 0.23 degree Terrain type Flat plain field Area 101.5 ha Fetch 910 m for west and southwest, and 1100 m for Climate Warm temperate (Cfa) Mean annual air temperature 15.6ºC Mean annual precipitation 1206.9 mm Vegetation type Urban park and residential area including mixed Dominant species (Overstory) - Dominant species (Understory) - Canopy height 13.1 ± 2.9 m Age - LAI 3.2 ～ 5.7 Soil type -
Observations Eddy Covariance method (CO2 ) System Open-path eddy covariance Wind speed Sonic anemometer (CSAT3, Campbell Scientific Inc.) Air temperature Sonic anemometer (CSAT3, Campbell Scientific Inc.) Water vapor Open-path CO2 /H2 O analyzer (EC150, Campbell Scientific CO2 Open-path CO2 /H2 O analyzer (EC150, Campbell Scientific Measurement height 30 m Sampling frequency 10 Hz Averaging time 30 minutes Data logger CR1000 (Campbell Scientific Inc.) Data storage CF Card Original data Raw data
Meteorology Observation items Levels/ Depth Instrument Global solar radiation(incoming) 30 m Quantum sensor (ML-01, EKO) Global solar 30 m Quantum sensor (ML-01, EKO) Long-wave radiation(outgoing) - Long-wave radiation(outgoing) - Net radiation - PPFD (incoming) - PPFD (outgoing) - Direct / diffuse radiation - Direct / diffuse PPFD - Air temperature 30 m Platinum resistance thermometer and capacitive Humidity 30 m Platinum resistance thermometer and capacitive Soil temperature - Soil heat flux - Soil water - Wind speed 30 m Sonic anemometer (CSAT3, Campbell Scientific Wind direction 30 m Sonic anemometer (CSAT3, Campbell Scientific Barometric 30 m Barometer (PTB110, Vaisala) Precipitation - CO2 concentration 30 m Open-path CO2 /H2 O analyzer (EC150, Campbell H2 O concentration 30 m IRGA (EC150, Campbell Scientific Inc.,) Surface temperature 30 m Radiation thermometer (IT-450N, Horiba)
Observation Period and Data Availability Measurement Period from January 2015 to January 2016 Measurement Frequency Continuous Data Availability -
Infrastructure Wake-up Tower, Electric Power (AC)
Research Fond
The Sumitomo Foundation (143205)
URL
Publications
Ueyama, M., Taguchi, A., Takano, T,. 2021. Water vapor emission from
urban landscapes in Sakai, Japan, Journal of Hydrology, 598, 126384.
Ueyama, M., Ando, T., 2020. Cooling effect of an urban park by enhanced heat transport efficiency. Journal of Agricultural Meteorology, 76, 148-153.
Ueyama, M., and And, T., 2016. Diurnal, weekly, seasonal and spatial variabilities in carbon dioxide flux in different urban landscapes in Sakai. Atmospheric Chemistry and Physics, 16, 14727-14740.
