Table 1: Data sampling information

There are two types of surface buoy; m-TRITON type and K-TRITON type. The hights of the meteorological sensors installed on these buoy are different. The hights of K-TRITON type is 0.1m higher than m-TRITON type.

	Measurement	Sampling Interval	Height (m-TRITON type) / Depth
Meteorological Sensors	Wind Speed / Direction	10 min	3.1 m height
	Air Temperature	10 min	2.3 m height
	Relative Humidity	10 min	2.3 m height
	Barometric Pressure	10 min	2.2 m height
	Shortwave Radiation	10 min	2.9 m height
	Longwave Radiation	10 min	2.9 m height
	Precipitation	10 min	3.0 m height
Oceanic Sensors	Current Velocity	20 min	Installed downward-looking at 1 m depth with 30 bins of 4 m length
	Water Temperature	10 min	1, 10, 20, 40, 60, 80, 90, 100, 110, 120, 150, 180, 200, 300 m depth
	Conductivity
	Pressure
	Dissolved Oxygen (DO) Concentration	10 min	80, 100, 150 m depth
	CO2(Option)	1 h	1 m depth
	pH(Option)	1 h	1 m depth

Table 2: Information of sensors installed on the PhBuoy

	Measurement	Model	Manufacturer	Accuracy	Resolution
Meteorological Sensors	Wind Speed	Y85000	JAMSTEC	±2 ~ 3 %	0.1 m/s
	Wind Direction			±1 °	1 °
	Air Temperature	MP103A	Rotronic	±0.05 ℃	0.01℃
	Relative Humidity			±0.3 %	0.01 %
	Barometric Pressure	RPS 8100	GE	±0.1hPa	N/A
	Shortwave Radiation	Eppley Precision Spectral Pyranometer (EPSP)	ASIMET(JAMSTEC)	±2 W/m2	0.1 W/m2
	Longwave Radiation	Eppley Precision Infrared Radiometer (EPIR)	ASIMET	±2 W/m2	0.1 W/m2
	Precipitation	50202/50203	R.M. Young	±1 mm	0.1 mm
Oceanic Sensors	Current Velocity	300 kHz Workhorse Sentinel ADCP	Teledyne RD Instruments	±0.5 cm/s	0.1 cm/s
	Water Temperature	SBE 37-IM MicroCAT CT/CTD	Sea-Bird Electronics	±0.002 ℃	0.0001℃
	Conductivity			±0.0003 S/m	0.00001 S/m
	Pressure			±0.1 % FSR	0.002 % FSR
	Dissolved Oxygen (DO) Concentration	RINKO Ⅰ AROUSB	JFE Advantech	±0.01~0.04 %	2 % FSR
	CO2(Option)	pH-CO2 hybrid sensor HCST	JAMSTEC
	pH(Option)

---

Contact:
Dr. Iwao Ueki
E-mail uekii [at] jamstec.go.jp