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Occurrence, characteristics, and factors influencing the atmospheric microplastics around Jiaozhou Bay, the Yellow Sea

Marine Pollution Bulletin 2023 14 citations ? Citation count from OpenAlex, updated daily. May differ slightly from the publisher's own count. Score: 40 ? 0–100 AI score estimating relevance to the microplastics field. Papers below 30 are filtered from public browse.
Yongfang Zhao, Xiaoxia Sun Xiaoxia Sun, Xiaoxia Sun, Xiaoxia Sun, Chenhao Zhao, Xiaoxia Sun, Xiaoxia Sun, Xiaoxia Sun, Xiaoxia Sun, Xiaoxia Sun Xiaoxia Sun Xiaoxia Sun Xiaoxia Sun Xiaoxia Sun Xiaoxia Sun Chenhao Zhao, Xiaoxia Sun Xiaoxia Sun Chenhao Zhao, Xiaoxia Sun, Yongfang Zhao, Yongfang Zhao, Yongfang Zhao, Xiaoxia Sun Junhua Liang, Xiaoxia Sun Junhua Liang, Junhua Liang, Xiaoxia Sun Junhua Liang, Junhua Liang, Xiaoxia Sun Xiaoxia Sun Junhua Liang, Xiaoxia Sun Xiaoxia Sun, Xiaoxia Sun, Xiaoxia Sun, Xiaoxia Sun, Mingliang Zhu, Mingliang Zhu, Mingliang Zhu, Mingliang Zhu, Xiaoxia Sun Mingliang Zhu, Xiaoxia Sun, Mingliang Zhu, Yongfang Zhao, Mingliang Zhu, Junhua Liang, Mingliang Zhu, Chenhao Zhao, Mingliang Zhu, Junhua Liang, Junhua Liang, Xiaoxia Sun Mingliang Zhu, Shan Zheng, Junhua Liang, Junhua Liang, Junhua Liang, Junhua Liang, Junhua Liang, Junhua Liang, Yongfang Zhao, Yongfang Zhao, Yongfang Zhao, Yongfang Zhao, Yongfang Zhao, Shan Zheng, Xiaoxia Sun, Junhua Liang, Mingliang Zhu, Yongfang Zhao, Xiaoxia Sun Junhua Liang, Mingliang Zhu, Yongfang Zhao, Yongfang Zhao, Yongfang Zhao, Junhua Liang, Xiaoxia Sun Mingliang Zhu, Chenhao Zhao, Mingliang Zhu, Mingliang Zhu, Mingliang Zhu, Mingliang Zhu, Mingliang Zhu, Junhua Liang, Junhua Liang, Xiaoxia Sun, Xiaoxia Sun, Xiaoxia Sun, Xiaoxia Sun Xiaoxia Sun Xiaoxia Sun Mingliang Zhu, Yongfang Zhao, Xiaoxia Sun, Xiaoxia Sun Xiaoxia Sun Xiaoxia Sun, Yongfang Zhao, Xiaoxia Sun Xiaoxia Sun Xiaoxia Sun, Xiaoxia Sun, Xiaoxia Sun, Xiaoxia Sun Xiaoxia Sun Xiaoxia Sun, Xiaoxia Sun Xiaoxia Sun

Summary

Atmospheric microplastics collected around Jiaozhou Bay in China were deposited at rates of up to 80 items per square meter per day, with seasonal variation driven by monsoons — higher deposition in dry seasons — and fragments and polyethylene being the dominant forms. The estimated annual input of microplastics into this bay via atmospheric deposition alone is over 7.6 tons, highlighting that air-to-sea transfer is a substantial and seasonally dynamic pathway for marine microplastic contamination.

Polymers

Atmospheric microplastics are attracting increasing attention as an emerging pollutant. However, research on its characteristics and influencing factors is insufficient. This study examines the characteristics and spatiotemporal distribution of atmospheric microplastics around Jiaozhou Bay, the Yellow Sea. The results showed that the dominant shapes of microplastic were fragments (61.9 %) and fibers (25.6 %), and the main types were polyethylene terephthalate (23.8 %), polyethylene (31.6 %) and cellulose (rayon, 34.9 %). The deposition rate of microplastic varied from 8.395 to 80.114 items·m·d, with a mean of 46.708 ± 21.316 items·m·d. The deposition rate was higher in the dry season than in the rainy season, indicating the influence of weather condition. The annual mass of atmospheric microplastics entering the bay was estimated to be 7.612 ± 3.474 tons. For the first time, this study reveals that atmospheric microplastics in Jiaozhou Bay change spatiotemporally due to monsoons, which pose a potential threat to marine ecosystems.

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