Journal of Korean Society for Atmospheric Environment (한국대기환경학회지)

Korean Society for Atmospheric Environment (한국대기환경학회)
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Aerosol Optical Thickness Measurements from the Microtops-II Multi-wavelength Radiometer

마이크로탑스 II 다파장 복사계를 이용한 대기 에어로솔 광학 두께 관측

  • Lee, Kwon-Ho (Research Institute for Radiation-Satellite (RIRS), Department of Atmospheric & Environmental Sciences, Gangneung-Wonju National University) ;
  • Lee, Kyu-Tae (Research Institute for Radiation-Satellite (RIRS), Department of Atmospheric & Environmental Sciences, Gangneung-Wonju National University)
  • 이권호 (강릉원주대학교 복사위성연구소, 대기환경과학과) ;
  • 이규태 (강릉원주대학교 복사위성연구소, 대기환경과학과)
  • Received : 2015.12.28
  • Accepted : 2016.01.11
  • Published : 2016.02.29
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Abstract

Aerosol optical thickness (AOT) and ${\AA}ngstr{\ddot{o}}m$ exponents were monitored at the KIU site ($N35.91^{\circ}$, $E128.80^{\circ}$) during the continuous observation period of 5 November 2010~19 March 2013 using a Microtops-II handheld munti-wavelenth radiometer. Comparisons of AOT values from the Microtops-II with the Sun-sky radiometer data from the Aerosol Robotic Network (AERONET) showed very good agreements: correlation coefficients are lies between 0.98 and 0.99, slopes range from 0.98 to 1.01, and intercepts are smaller than 0.008 at five wavelengths (380 nm, 440 nm, 500 nm, 675 nm, 870 nm). During the observation period, the Microtops-II AOT and ${\AA}ngstr{\ddot{o}}m$ exponents are ${\tau}_{500}=0.560{\pm}0.351$, ${\alpha}_{500-870}=1.135{\pm}0.445$. Fine mode aerosols appear to dominate in the study region with significant contributions from small particles.

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References

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