OM1: B11 building in Osaka Metropolitan University

General site detail (Updated 24 May 2023)

Site name
B11 building in Osaka Metropolitan University

AsiaFlux site code
OM1

Location Sakai, Osaka, Japan

Position 34°32'49.84"N, 135°30'10.30"E

Elevation 27 m above sea level

Slope 0 degree

Terrain type
Flat

Area -

Fetch 150 m

Climate Warm temperature (Cfa)

Mean annual air temperature
15.6 °C

Mean annual precipitation
1206.9 mm

Vegetation type
Roadside trees (Deciduous broad leaf trees)

Dominant Species (Overstory)
-

Dominant Species (Understory)
-

Canopy height
13.1 ± 2.9 m

Age -

LAI -

Soil type
Concrete and Asphalt

Observations

Eddy Covariance method (CO₂)

System Open-path eddy covariance

Wind speed
Sonic anemometer (Windmaster, Gill), until April, 2021
Sonic anemometer (CSAT3, Campbell Scientific Inc.), present

Air temperature
Sonic anemometer (Windmaster, Gill), until April, 2021
Sonic anemometer (CSAT3, Campbell Scientific Inc.), present

Water vapor
Open-path CO₂/H₂O analyzer (LI-7500, Li-Cor), until April,2021
Open-path CO₂/H₂O analyzer (EC150, Campbell Scientific
Inc.), present

CO₂ Open-path CO₂/H₂O analyzer (LI-7500, Li-Cor), until April,2021
Open-path CO₂/H₂O analyzer (EC150, Campbell Scientific
Inc.), present

Measurement height
16.2 m

Sampling frequency
10 Hz

Averaging time
30 minutes

Data logger
CR1000X (Campbell Scientific Inc.)

Data storage
microSD card

Original data
Raw data

Meteorology

Observation items
Levels/Depth Instrument

Global solar radiation
(incoming)
0.9 m above roof
4 component net radiometer (MR-40, Eko, Japan)
Quantum sensor (ML-01, EKO)

Global solar radiation
(outgoing) 0.9 m above roof 4 component net radiometer (MR-40, Eko, Japan)
Quantum sensor (ML-01, EKO)

Long-wave radiation
(incoming)
0.9 m above roof 4 component net radiometer (MR-40, Eko, Japan)

Long-wave radiation
(outgoing)
0.9 m above roof 4 component net radiometer (MR-40, Eko, Japan)

Net radiation
0.9 m above roof Net Radiometer (NR LITE2, Kipp&Zonen)

PPFD (incoming)
- -

PPFD (outgoing)
- -

Direct/diffuse radiation
- -

Direct/diffuse PPFD
- -

Air temperature
0.8 m above roof
Platinum resistance thermometer and
capacitive (HMP60, Vaisala)

Humidity 0.8 m above roof Platinum resistance thermometer and
capacitive (HMP60, Vaisala)

Soil temperature
- -

Soil heat flux
0 cm above roof
0 cm above roof
Heat flux plate (TEC-3105, Kyohritsu,Japan)
Heat flux plate (HFP01-10, Hukseflux)

Soil water content
0~30 cm in
rooftop gardening
TDR sensor (CS616,Campbell Scientific Inc.)

Wind speed
1) 16.2 m a.g.l
2) 16.2 m a.g.l
3) 16 m a.g.l
1) Sonic anemometer (Windmaster, Gill), until April, 2021
2) Sonic anemometer (CSAT3, Campbell Scientific Inc.), present
3) Vane anemometer (5103, R.M. Young)

Wind direction
1) 16.2 m a.g.l
2) 16.2 m a.g.l
3) 16 m a.g.l 1) Sonic anemometer (Windmaster, Gill), until April, 2021
2) Sonic anemometer (CSAT3, Campbell Scientific Inc.), present
3) Vane anemometer (5103, R.M. Young)

Barometric pressure
16.2 m a.g.l
Barometer (PTB110, Vaisala)
Barometer (LI-7700, Li-Cor)

Precipitation 0 cm above roof
Tipping-bucket raingauge (WBO015, Nakase, Japan)

CO₂ concentration
16.2 m a.g.l
Open-path CO₂/H₂O analyzer (LI-7500, Li-Cor), until April, 2021
Open-path CO₂/H₂O analyzer (EC150, Campbell Scientific Inc.), present

CO₂ concentration
22.5 m a.g.l
Closed-path CO₂/H₂O analyzer (LI-850, Li-Cor)

Surface temperature
18.0 m a.g.l
Radiation thermometer (IT-405N, Horiba)

Roof temperature
0 cm above roof
Thermocouple

CH₄ concentration
16.2 m a.g.l
Open-path CH₄ analyzer (LI-7700, Li-Cor)

Ultraviolet radiation
0.9 m above roof
Quantum sensor (CAP-SU-200-SS,Apogee)

CO concentration
16.2 m a.g.l
Closed-path CO analyzer (Los Gatos Research)

Fluxes of non-CO₂ gases

Gas CH₄

Method Eddy covariance method

Measurement height
16.2 m

Data logger CR1000X (Campbell Scientific Inc.)

Data storage
microSD Card

Other

Phenology Phenological Camera (Garden watch camera)