Instrument

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Yonsei University, Science Hall
(37.57˚N, 126.97˚E, 86m)
AERONET (Sunphotometer)
Aerosol Robotic Network (AERONET), site name : Yonsei_University

- Major product : Aerosol Optical Depth (AOD), Single Scattering Albedo (SSA), Angstrom Exponent (AE), Particle size distribution, Solar flux, Phase function
- Wavelength : 340, 380, 440, 500, 675, 870, 1020, 1640 nm
- Observation : Every 3 minutes
- In operation since March, 2011
Brewer Spectrophotometer
(MK-IV, No. 148)

- Major product : Total Ozone column(DU), Surface solar irradiance,
                        Total SO2 column, Total NO2 column,
                        Aerosol optical depth (320.1 nm),
                        Ozone vertical distribution (Umkehr)
- Wavelength: Total Ozone column
                    (303.2 (Hg slit), 306.3, 310.1,313.5, 316.8, 320.1),
                    Surface solar irradiance
                    (290~363 nm, resolution: 0.6 nm)
- Observation : Manually adjustable
- In operation since 1998
Dobson Spectrophotometer
(beck #124, WMO/GO3OS Station No. 252)

- Major product : Total column ozone,
                        Ozone vertical distribution (Umkehr)
  (wavelength pairs A:305.5/325.0 nm, D:317.5/339.9 nm)
- Observation of Total Ozone : Direct Sun / Zenith Sun (3 times / day)
- Observation of ozone vertical distribution: 2 times / day
- In operation since May, 1984
Dust Monitor
GRIMM ENVIRO-EDM180

- Major product : concentration and size distribution of PM10, PM2.5, PM1
- Observation : Every 5 minutes
- In operation since January, 2011
MAX-DOAS
- Major product: Column amounts and vertical profiles of trace gases
- Observation: Manually adjustable
MFRSR
Multi Filter Rotating Shadowband Radiometer

- Major product : Direct Irradiance, Diffuse Irradiance
- Wavelength : 300, 305, 311, 317, 325, 332, 368 nm (UV)
- Observation : Every 1 mins
Skyradiometer (POM-02, PREDE)
SKYNET, site name : Yonsei

- Major product : Aerosol Optical Depth (AOD), Single Scattering Albedo (SSA), Angstrom Exponent (AE), Particle size distribution, Solar flux, Phase function
- Wavelength : 315, 340, 380, 400, 500, 675, 870, 940, 1020, 1600, 2200 nm
- Observation : Every 10 minutes
- In operation since November, 2005
SPARTAN
SPARTAN (Surface PARTiculate mAtter Network)
(SS5021, IN102)

- Instruments : Filter Sampler, Nephelometer
- Major product
Fliter Sampler : PM2.5 mass, black carbon mass, Chloride, Nitrate, Phosphate, Sulfate, Sodium, Ammonium, Potassium, Magnesium, Aluminum, Iron, Titanium, Zinc concentration
Nephelometer : Backscatter at 450, 532, 632nm, Forward scatter at 450, 532, 632nm
- Observation
Fliter Sampler : Every 9 days
Nephelometer : Every 15 seconds
- In operation since Feb, 2019
Sky viewer
(PSV-100, PREDE)

- Major product : total cloud image (Cloudiness)
- Observation : Every 10 minutes
- In operation since November, 2005
Pandora
site name : Seoul

- Major product: Total column amounts of ozone (O3) and nitrogen dioxide (NO2)
- Wavelength: 280-525 nm
- Observation: Every 80 seconds
- In operation since March, 2012
Pyranometer (SolRad-Net)
Solar Radiation Network, site name : Yonsei_University

- Major product : Solar flux [W/m2]
- In operation since April, 2012
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