Articles | Volume 26, issue 4
https://doi.org/10.5194/acp-26-3001-2026
https://doi.org/10.5194/acp-26-3001-2026
Research article
 | 
27 Feb 2026
Research article |  | 27 Feb 2026

Distinct spatiotemporal patterns of atmospheric total and soluble iron from three sources revealed by shipboard online observations in the Northwest Pacific

Tianle Zhang, Yaxin Xiang, Bingxing Zhu, Xiaohong Yao, Xuehua Fan, Yinan Wang, Yuntao Wang, Shuangling Chen, Shunyao Wang, Yan Zhang, Fei Chai, and Mei Zheng

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Short summary
Based on high-time-resolution shipborne measurements, this study examines the sources of iron in aerosols over the Northwest Pacific. We found that non-dust emissions from ships and land-based activities contribute the majority of soluble iron capable of enhancing marine primary productivity, with particularly pronounced contributions in coastal regions and during the summer season. These findings provide improved insight into the influence of human activities on oceanic nutrient supply.
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