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Title: ダスト粒子からの雲粒・氷晶発生を扱う詳細雲微物理ボックスモデルの開発
Other Titles: Development of a box model with detailed cloud microphysics to treat nucleations of droplet and ice crystal from mineral dust particles
Authors: 山下, 克也1 Browse this author
村上, 正隆2 Browse this author →KAKEN DB
田尻, 拓也3 Browse this author →KAKEN DB
橋本, 明弘4 Browse this author →KAKEN DB
Authors(alt): Yamashit, Katsuya1
Murakami, Masataka2
Tajir, Takuya3
Hashimot, Akihiro4
Issue Date: 31-Mar-2014
Publisher: 北海道大学低温科学研究所
Journal Title: 低温科学
Journal Title(alt): Low Temperature Science
Start Page: 79
End Page: 86
Abstract: 自然大気中で効率的に氷晶核として働くと考えられているダスト粒子からの雲粒・氷晶発生を取り扱うために, カッパーケーラー理論と氷晶発生の古典理論を組込んだボックスモデルを開発した. モデル検証として, アリゾナテストダストを雲核・氷晶核とした雲生成チャンバーを用いた雲粒凍結実験結果との比較を行った. 比較では, 雲粒や氷晶の数濃度のみでなく間接効果の評価に重要である粒径分布の比較も行った. 本稿では, モデルの概要と比較結果を記述する.
A box model implemented with k-Kohler theory and classical ice nucleation theory were developed to treat the droplet and ice crystal nucleation on dust particles which are considered to effectively act as ice nuclei. To validate the box model, MRI cloud simulation chamber experiments using the Arizona Test Dust particles were compared with the simulation results of the box model. In the comparison,not only concentrations but also size distributions of droplets and ice crystals which are important to assess the aerosol indirect effect were performed. The outline of the developed box model and comparison results are described in this paper.
Description: Ⅱ. 詳細雲微物理モデルの開発と応用
Type: bulletin (article)
Appears in Collections:低温科学 = Low Temperature Science > 第72巻

Submitter: 低温科学研究所図書室

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