A correlative study on the relationship between modeled anthropogenic aerosol concentration and satellite-observed cloud properties over east Asia

K. Kawamoto, T. Hayasaka, I. Uno, T. Ohara

研究成果: ジャーナルへの寄稿学術誌査読

16 被引用数 (Scopus)

抄録

Vertically integrated anthropogenic aerosol mass concentration Ma and low-level water cloud properties (optical depth τ, effective particle radius re, and columnar droplet number Nc) were correlated over east Asia to elucidate human-induced effects on low-cloud properties. Aerosol and cloud properties were obtained from numerical simulations and satellite observations, respectively. Monthly averages of geographical matches between collocated Ma and cloud properties for three seasons showed that as Ma increased, τ and Nc increased and re, decreased, which is consistent with the Twomey effect. Their changing rates became less steep when Ma was large. However, the importance of a dynamical effect was also suggested. A comparison of different cloud top heights revealed that values of τ and re of middle and lower clouds followed those of the total water cloud cases and reflected vertical characteristics.

本文言語英語
論文番号D19201
ジャーナルJournal of Geophysical Research Atmospheres
111
19
DOI
出版ステータス出版済み - 10月 16 2006

!!!All Science Journal Classification (ASJC) codes

  • 地球物理学
  • 林業
  • 海洋学
  • 水圏科学
  • 生態学
  • 水の科学と技術
  • 土壌科学
  • 地球化学および岩石学
  • 地表過程
  • 大気科学
  • 地球惑星科学(その他)
  • 宇宙惑星科学
  • 古生物学

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