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2008 Fiscal Year Final Research Report

Characteristics of KOSA particles flying away from China coast in the free troposphere and their changes during the transport to southwestern Japan

Research Project

  • PDF
Project/Area Number 18510015
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Environmental dynamic analysis
Research InstitutionPrefectural University of Kumamoto

Principal Investigator

DAIZHOU Zhang  Prefectural University of Kumamoto, 環境共生学部, 准教授 (90322726)

Co-Investigator(Kenkyū-buntansha) KOGA Minoru  熊本県立大学, 環境共生学部, 教授 (40131916)
Project Period (FY) 2006 – 2008
Keywords環境分析 / 大気現象 / アジア黄砂
Research Abstract

中国東部沿岸地域から大陸を離れる自然起源の黄砂粒子は、人為的な大気汚染物質をあまり含まらなく、比較的に清潔であった。西日本に飛来するまでに海塩との結合、硫酸塩・硝酸塩・塩酸塩の吸収により変質が生じた。海塩との結合により粒子の大きさは大きく変われ、硫酸塩・硝酸塩・塩酸塩の吸収により吸水能力は大きく向上された。これらの変化と変質の結果、黄砂粒子の地面(海面)への落下過程も、雲粒作りの役目も、素の黄砂粒子と比べ、大きく変わった。

  • Research Products

    (14 results)

All 2008 2007 2006

All Journal Article (5 results) (of which Peer Reviewed: 5 results) Presentation (9 results)

  • [Journal Article] Effect of sea salt on dust settling to the ocean2008

    • Author(s)
      Daizhou Zhang
    • Journal Title

      Tellus 68B

      Pages: 641-646

    • Peer Reviewed
  • [Journal Article] Size distribution and estimated carcinogenic potential of particulate polycyclic aromatic hydrocarbons (PAHs) collected at a downtown site in Kumamoto, Japan in spring2007

    • Author(s)
      Hezhe Ji, Daizhou Zhang, Ryouta Shinohara
    • Journal Title

      Journal of Health Science 53(6)

      Pages: 700-707

    • Peer Reviewed
  • [Journal Article] Particulate polycyclic aromatic hydrocarbons in the urban atmosphere of Kumamoto, Japan under mild weather2007

    • Author(s)
      Hezhe Ji, Daizhou Zhang, Ryouta Shinohara, Wataru Fujiie, Minoru Koga, Zongbo Shi, Kei Nomiyama
    • Journal Title

      Earozoru Kenkyu 22

      Pages: 135-142

    • Peer Reviewed
  • [Journal Article] Comparison of size changes of Asian dust particles caused by sea salt and sulfate2006

    • Author(s)
      Daizhou Zhang, Yasunobu Iwasaka
    • Journal Title

      J. Meteor. Soc. Japan 84(5)

      Pages: 939-947

    • Peer Reviewed
  • [Journal Article] 黄砂粒子とその海洋大気中での変化 : 最近の電子顕微鏡による観察結果2006

    • Author(s)
      張代洲
    • Journal Title

      空気清浄 第44巻

      Pages: 240-247

    • Peer Reviewed
  • [Presentation] Aging and Mixing of dust during transport : recent results of individual particle analysis.2008

    • Author(s)
      Daizhou Zhang
    • Organizer
      Invited presentation at the 3rd International Workshop on Mineral Dust
    • Place of Presentation
      Leipzig, Germany
    • Year and Date
      20080915-17
  • [Presentation] Aerosol particle distribution at different altitudes in the boundary layer : observation in Beijing with tethered balloon flights.2008

    • Author(s)
      Daizhou Zhang
    • Organizer
      Invited presentation at the 5^<th> Symposium on Aerosol Science and Technology of China
    • Place of Presentation
      Urumuqi, China
    • Year and Date
      20080902-06
  • [Presentation] Changes of gravitational settling velocity of mineral particles due to sea slat adhering and water vapor condensation.2008

    • Author(s)
      Daizhou Zhang
    • Organizer
      The 25th Symposium on Aerosol Science & Technology, Japan Association of Aerosol Science and Technology
    • Place of Presentation
      Kanazawa, Japan
    • Year and Date
      20080820-22
  • [Presentation] 大陸由来のエアロゾルのエージングと変質2008

    • Author(s)
      張代洲
    • Organizer
      日本エアロゾル学会2008年エアロゾルシンポジウム 東アジアから輸送されるエアロゾルと日本への影響(招待講演)
    • Year and Date
      2008-11-27
  • [Presentation] Changes of dust particles influenced by sea salt in the marine atmosphere2007

    • Author(s)
      Daizhou Zhang
    • Organizer
      The 3^<rd> International Workshop on Asian Dust and Ocean EcoSystem (ADOES)
    • Place of Presentation
      Shangrila, Yunnan Province, China
    • Year and Date
      20071024-28
  • [Presentation] Influences of dust particles on chlorine chemistry in the marine atmosphere2007

    • Author(s)
      Daizhou Zhang, Y. Iwasaka
    • Organizer
      The 48^<th> Annual Meeting of Japan Society for Atmospheric Environment
    • Place of Presentation
      Okayama
    • Year and Date
      20070905-09
  • [Presentation] Exploring the variation of alveolar cells influenced by dust particles.2007

    • Author(s)
      Daizhou Zhang
    • Organizer
      The 24th Symposium on Aerosol Science & Technology, Japan Association of Aerosol Science and Technology
    • Place of Presentation
      Wako, Japan
    • Year and Date
      20070809-11
  • [Presentation] Size change of Asian dust particles with respect to their sea salt and sulfate contents.2006

    • Author(s)
      Daizhou Zhang, Yasunobu Iwasaka
    • Organizer
      Second Korea-Japan-China Joint Conference on Meteorology
    • Place of Presentation
      Goyang, Korea
    • Year and Date
      20061011-13
  • [Presentation] The evolution of size distribution during the passage of dust-loading low pressures in southwestern Japan2006

    • Author(s)
      Daizhou Zhang, Yasunobu Iwasaka, Atsushi Matsuki, Kazunori Ueno, Tatsuya Matsuzaki
    • Organizer
      Symposium of Atmospheric Environmental Impacts of Aerosol in East Asia
    • Place of Presentation
      Kyoto
    • Year and Date
      20060713-14

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Published: 2010-06-10   Modified: 2016-04-21  

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