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<b>Atmospheric Fe-Containing Particles over the North Pacific Ocean: The Mixing States with Water-Soluble Materials </b>
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- MIKI Yusuke
- Tokyo University of Science Present Affiliation: Tokyo University of Science
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- UEDA Sayako
- Tokyo University of Science Present Affiliation: Solar-Terrestrial Environment Laboratory, Nagoya University
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- MIURA Kazuhiko
- Tokyo University of Science
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- FURUTANI Hiroshi
- Atmosphere and Ocean Research Institute, The University of Tokyo
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- UEMATSU Mitsuo
- Atmosphere and Ocean Research Institute, The University of Tokyo
Bibliographic Information
- Other Title
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- <b>北太平洋における海洋大気中の鉄含有粒子: 水溶性物質との混合</b><b>状態 </b>
- 北太平洋における海洋大気中の鉄含有粒子: 水溶性物質との混合状態
- キタタイヘイヨウ ニ オケル カイヨウ タイキ チュウ ノ テツ ガンユウ リュウシ: スイヨウセイ ブッシツ ト ノ コンゴウ ジョウタイ
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Description
Iron (Fe) is an essential element for marine phytoplankton growth. Long-range transport of atmospheric aerosols from the continent and subsequent deposition is an important process to supply Fe to the ocean. The mixing states with water-soluble materials are the significant factor for the dry and wet depositions of aerosol particles. In this study, we focused on water-insoluble Fe-containing particles and clarified the mixing states with water-soluble materials. We collected aerosol particles on the R/V Hakuho Maru in the mid-latitude over the North Pacific Ocean. Collected particles were analyzed using a transmission electron microscopy with a water dialysis method and an energy-dispersive X-ray (EDX) analysis. Particles larger than 0.5 μm in diameter during a dust event and no dust events (maritime and continental sample) were analyzed. The number fractions of water-insoluble material containing particles to total analyzed particles were 10% (maritime), 20% (continental) and 30% (dust event), respectively. Most of water-insoluble materials were mixed with water-soluble materials. Based on EDX analyses of water-insoluble materials in analyzed 3 samples, water-insoluble Fe-containing particles were found with other mineral components (Si or Al) and the number fractions of Fe-containing particles to total analyzed particles were 2% (maritime), 2% (continental) and 8% (dust events), respectively.
Journal
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- Earozoru Kenkyu
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Earozoru Kenkyu 29 (2), 104-111, 2014
Japan Association of Aerosol Science and Technology
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Details 詳細情報について
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- CRID
- 1390282679320466432
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- NII Article ID
- 130004837984
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- NII Book ID
- AN10041511
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- ISSN
- 1881543X
- 09122834
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- NDL BIB ID
- 025614057
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- Text Lang
- ja
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- Article Type
- journal article
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- Data Source
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- JaLC
- NDL Search
- CiNii Articles
- KAKEN
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- Abstract License Flag
- Disallowed