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  1. Article

    Open Access

    Comparative study of rainfall measurement by optical disdrometer, tip**-bucket rain gauge, and weighing precipitation gauge

    In this study, the rainfall measurement characteristics of an optical particle size velocity (Parsivel) disdrometer, tip**-bucket rain gauge (TBG), and Pluvio weighing precipitation gauge (WPG) were analyzed...

    Yonghun Ro, Ki-Ho Chang, Hyunjun Hwang, Minhoo Kim, Joo-Wan Cha in Natural Hazards (2024)

  2. Article

    Open Access

    Analysis of Rain Drop Size Distribution to Elucidate the Precipitation Process using a Cloud Microphysics Conceptual Model and In Situ Measurement

    Raindrop size distribution (DSD) is an important parameter in rainfall research and can be used for quantitative precipitation estimation (QPE) in meteorology and hydrology. DSD also improves the understandin...

    Joo Wan Cha, Hae Jung Koo, Bu-Yo Kim in Asia-Pacific Journal of Atmospheric Scienc… (2023)

  3. Article

    Open Access

    Characteristics of Precipitation Particles Measured by PARSIVEL Disdrometer at a Mountain and a Coastal Site in Korea

    This study analyzed HC (Hydrometeor Classification), rain rate, and DSD (Drop Size Distribution) observed using an optical disdrometer, parsivel, at a mountain (Daegwallyeong, DG) and a coastal site (Mokpo, MP...

    Joo Wan Cha, Seong Soo Yum in Asia-Pacific Journal of Atmospheric Sciences (2021)

  4. Article

    Open Access

    Water-Soluble Ionic Characteristics of Aerosols in the Marine Boundary Layer over the Yellow Sea during the KORUS-AQ Campaign

    Major compositions of water-soluble ionic species in particulate matter less than 10 and 2.5 μm in diameter (PM10 and PM2.5, respectively) over the Yellow Sea were collected during the Korea–United States Air Qua...

    Joo Wan Cha, Beomchel Shin, Hee-Jung Ko in Asia-Pacific Journal of Atmospheric Scienc… (2020)

  5. No Access

    Article

    Aerosol Physical Characteristics over the Yellow Sea During the KORUS-AQ Field Campaign: Observations and Air Quality Model Simulations

    For understanding the aerosol characteristics over the Yellow Sea according to the air flow patterns in East Asia, the aerosol volume concentration distribution by particle size (size distribution) of the ship...

    Yun-Kyu Lim, **won Kim, Hee Choon Lee in Asia-Pacific Journal of Atmospheric Scienc… (2019)

  6. No Access

    Article

    Characteristics of long-lasting haze episodes observed in Seoul, South Korea, for 2009–2014

    The meteorological, physical, chemical, and optical characteristics of long-lasting haze in Seoul were studied. Four episodes were observed between 2009 and 2014, all in winter. PM10 mass concentration (PM10), ch...

    Hae-Jung Lee, Jeong Eun Kim, Joo Wan Cha in Theoretical and Applied Climatology (2019)

  7. No Access

    Article

    Strategy for the meteorological and environmental airborne observations over the Korean Peninsula

    Aircraft campaigns for the meteorological and environmental research have been conducted in regional and global scales. The aircraft is increasingly considered as one of the best platforms to get the atmospher...

    Chulkyu Lee, Ki-Ho Chang, Jae-Won Jung in Asia-Pacific Journal of Atmospheric Scienc… (2011)

  8. No Access

    Article

    Preliminary results of the ground-based orographic snow enhancement experiment for the easterly cold fog (cloud) at Daegwallyeong during the 2006 winter

    The snow enhancement experiments, carried out by injecting AgI and water vapor into orographically enhanced clouds (fog), have been conducted to confirm Li and Pitter’s forced condensation process in a natural...

    Myoung-Joo Lee, Ki-Ho Chang, Gyun-Myoung Park in Advances in Atmospheric Sciences (2009)

  9. No Access

    Article

    Comparison of the bright band characteristics measured by Micro Rain Radar (MRR) at a mountain and a coastal site in South Korea

    Data from a long term measurement of Micro Rain Radar (MRR) at a mountain site (Daegwallyeong, DG, one year period of 2005) and a coastal site (Haenam, HN, three years 2004–2006) in South Korea were analyzed t...

    Joo-Wan Cha, Ki-Ho Chang, Seong Soo Yum in Advances in Atmospheric Sciences (2009)