Latitude

27° 05' 32"N

Longtitude

142° 13' 02"E

Altitude

212m

Code

JPA011

Address

Asahiyama tinai Titijima Island, Ogasawara village, Tokyo

Characteristics of sites :

Remote

Monitoring period (Precipitation) :

Daily

Monitoring period (Filter pack) :

Biweekly

Starting Month :

May ‘99

Contact Organization :

Asia Center for Air Pollution Research (ACAP)


Monitoring
Item

Wet Deposition
Precipitation (pH, EC, SO42-, NO3-, Cl-, Na+, K+, Ca2+, Mg2+, NH4+, NO2-)

Dry Deposition
Automatic monitors (SO2, NO, NOx*, O3, PM10/2.5)
Filter pack (SO2, HNO3, HCl, NH3, SO42-, NO3-, Cl-, NH4+, Na+, K+, Mg2+, Ca2+)

Meteorological Measurements
Precipitation amount, Wind direction/speed, Temperature, Humidity, Solar radiation


Monitoring
Instrument

Rain sampler
Ogasawara US-421

Meteorological instrument
Rain gauge(RS-222), Wind direction/speed, Temperature, Humidity, Solar radiation

Automatic monitor
SO2 (HORIBA APSA-365),
NO・NOx* (HORIBA APNA-365),
O3 (HORIBA APOA-370),
PM10/2.5 (KIMOTO PM-712)

Filter pack sampler
NILU (4 Stages)