書誌事項
- タイトル別名
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- The High Concentration Cases of Oxidant and Kosa Observed by LIDAR in Tateyama Mountain Area and Toyama Plain
- ライダー オ ツカッタ タテヤマ サンガク チイキ トヤマ ヘイヤ ニ オケル オキシダント オヨビ コウサ ノ コウノウド ソクテイ ジレイ
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抄録
The data of LIDAR observed from Feb. 1 to Jun. 14 in 2004 and the air pollution data obtained at observatories of different elevation have been applied for the analysis of high concentration cases of oxidant and Kosa<BR>The Kosa was observed in the air mass come flying at various height such as ground -2, 000 m, 3, 000-6, 000 m, and ground -4, 000 m. The SPM (suspended particle matter) concentration observed at different elevation showed good agreement with the LIDAR images.<BR>“The yellow layer” appeared over Toyama plain in the daytime. This layer was formed by dilute Kosa which fallen from high altitude and stayed above the inversion layer exceptionally remained.<BR>When Kosa came flying, LIDAR detected spherical secondary particles consist of air pollution containing oxidant. It can be gathered from the Backward Trajectories that the air mass containing air pollution flew from Kansai- or Kitakyushu region, or from Chinese district.<BR>The case that the remarkable increase of oxidant concentration independent from Kosa was observed June 5. The Backward Trajectories of this case estimated that the oxidant originated from the drift of air mass flown via Kanto area. Such a high concentration oxidant unrelated to Kosa was presumed to be carried by air mass from Kanto-, Chukyo- or Kansai region.
収録刊行物
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- 環境化学
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環境化学 15 (2), 269-285, 2005
一般社団法人 日本環境化学会
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詳細情報 詳細情報について
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- CRID
- 1390282679348217856
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- NII論文ID
- 10016420557
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- NII書誌ID
- AN10547099
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- ISSN
- 18825818
- 09172408
- http://id.crossref.org/issn/09172408
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- NDL書誌ID
- 7405137
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可