File:Microplastiques Microplastics throughout water column Beaufort Sea Nature 2021 Fr.jpg
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Plastic/textils pollution in sea watr in Beaufort sea (from study : "Pervasive distribution of polyester fibres in the Arctic Ocean is driven by Atlantic inputs")
Summary[edit]
| Description |
Français : Taux de microplastiques en Mer de Beaufort ; Les lettres désignent des classes de profondeur d'échantillonage
* à gauche : A : en surface, il y a moins de microplastiques là où se mélangent des eaux salées venues du Pacifique et de l'Atlantique aux des eaux douces issues de fleuves et de la fonte des glaces (eaux plus fraiche de moindre salinité: ~ 27 to 32.5 kg m−3). Ils sont plus présents au cœur des masses d’eau d’origine Pacifique (C, salinité ~ 33 kg m−3) et surtout dans les eaux d’origine atlantique (E, salinité ~ 34,8 kg m−3). Des teneurs intermédiaires (B, D, F) correspondent au courant estival venu du Pacifique (B), à une zone de mélange d'eaux venants du Pacifique et de l'Atlantique (D) et des eaux plus profondes venues de l'Atlantique (F). à droite : le type de plastique le plus trouvé à toutes les profondeurs (A, C, D, E et F), sauf une (B) est le polyester (d'origine textile en général). Des micro-fragments de peinture sont aussi présents. Origine des données : 26 échantillons collectés dans 6 points en mer de Beaufort. Chaque boîte à moustaches indique la médiane (marque centrale) et les 25e et 75e centiles, les moustaches à l'extérieur de la boîte indiquant les 10e et 90e centiles. Les points au-dessus et en dessous des moustaches indiquent des valeurs aberrantes. English: Moderate microplastic (MP) counts were detected in the fresher surface waters that are a mix of Pacific-origin and Atlantic-origin water, river runoff and ice melt (A, salinity ~ 27 to 32.5 kg m−3). Higher MP counts were detected in the core of the Pacific-origin water masses (C, salinity ~ 33 kg m−3) and in the core Atlantic-origin water (E, salinity ~ 34.8 kg m−3). Intermediate count water masses (B, D, F) are approximately summer-formed Pacific-origin water (B), the transition from Pacific-origin to Atlantic-origin water (D) and deeper Atlantic-origin water (F). Polyester dominated the profile of MPs at all (A, C, D, E and F) but one (B) depth sampled. Combined data of 26 samples collected at six Beaufort Sea stations. Each boxplot indicates the median (central mark) and 25th and 75th percentiles, with whiskers outside the box indicating 10th and 90th percentiles. Points above and below the whiskers indicate outliers. |
| Date | |
| Source | "Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made". |
| Author | Peter S. Ross, Stephen Chastain, Ekaterina Vassilenko, Anahita Etemadifar, Sarah Zimmermann, Sarah-Ann Quesnel, Jane Eert, Eric Solomon, Shreyas Patankar, Anna M. Posacka & Bill Williams |
Source : Ross, P.S., Chastain, S., Vassilenko, E. et al. Pervasive distribution of polyester fibres in the Arctic Ocean is driven by Atlantic inputs. Nat Commun 12, 106 (2021). https://doi.org/10.1038/s41467-020-20347-1 | url=https://www.nature.com/articles/s41467-020-20347-1
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| current | 18:02, 31 March 2024 | | 1,620 × 830 (244 KB) | Lamiot (talk | contribs) | Uploaded a work by Peter S. Ross, Stephen Chastain, Ekaterina Vassilenko, Anahita Etemadifar, Sarah Zimmermann, Sarah-Ann Quesnel, Jane Eert, Eric Solomon, Shreyas Patankar, Anna M. Posacka & Bill Williams from https://www.nature.com/articles/s41467-020-20347-1?utm_medium=affiliate&utm_source=commission_junction&utm_campaign=3_nsn6445_deeplink_PID100084481&utm_content=deeplink "Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permit... |
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