沿海和湖泊沉积物中轮胎衍生颗粒的分布和积聚模式

IF 12.4 1区环境科学与生态学 Q1 ENGINEERING, ENVIRONMENTAL

Water Research Pub Date : 2025-07-21 DOI:10.1016/j.watres.2025.124278

Kosuke Tanaka , Atsuko Amano , Takuya Itaki , Kei Nakayama , Yusuke Takahashi , Go Suzuki

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引用次数: 0

摘要

轮胎和道路磨损颗粒（TRWP）是微塑料的最大来源。这些颗粒在使用过程中通过轮胎与路面的摩擦产生，进入水生环境，并可能影响水生生物。本研究采用热解气相色谱/质谱法对日本11个不同水体沉积物中的TRWP进行了分析。36份样品中有32份检测到TRWP，浓度高达4260µg/g干重。在36个站点中，有30个站点的TRWP浓度超过了估计的无影响浓度阈值，表明不能排除潜在的生态风险。在泥浆聚集的地点，TRWP浓度与泥浆含量、总有机碳或陆生有机碳（terrOC）之间存在相关性。即使在海洋泥浆贡献显著的地点，TRWP和terrOC之间的相关性也很显著。这些结果表明，TRWP在水生环境中与陆相泥和有机物一起运移。此外，从沉积物性质（如泥浆含量和元素组成）推断出的沉积模式可以作为TRWP分布的指标。该研究有助于水电厂的运输建模、环境风险评估和未来污染控制策略的制定。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Distribution and accumulation patterns of tire-derived particles in coastal and lake sediments

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Distribution and accumulation patterns of tire-derived particles in coastal and lake sediments

Tire and road wear particles (TRWP) are the largest source of microplastics. These particles are generated through friction between tires and road surfaces during use, enter aquatic environments, and may affect aquatic organisms. In this study, TRWP in sediments from 11 different water bodies in Japan were analyzed using pyrolysis gas chromatography/mass spectrometry. TRWP were detected in 32 out of 36 samples, with concentrations up to 4260 µg/g dry weight. TRWP concentrations exceeded the estimated predicted no-effect concentration threshold at 30 out of 36 sites, indicating that potential ecological risks cannot be ruled out. A correlation was found between TRWP concentration and mud content, total organic carbon, or terrestrial organic carbon (terrOC) at sites where mud accumulates. The correlation between TRWP and terrOC was significant even at sites with a notable contribution of marine-derived mud. These findings suggest that TRWP are transported with terrestrial mud and organic matter in aquatic environments. Moreover, sedimentation patterns, as deduced from sediment properties such as mud content and elemental composition, may serve as indicators of TRWP distribution. This study contributes to transport modeling, environmental risk assessments, and development of future pollution control strategies for TRWP.

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来源期刊

Water Research 环境科学-工程：环境

CiteScore

20.80

自引率

9.40%

发文量

1307

审稿时长

38 days

期刊介绍： Water Research, along with its open access companion journal Water Research X, serves as a platform for publishing original research papers covering various aspects of the science and technology related to the anthropogenic water cycle, water quality, and its management worldwide. The audience targeted by the journal comprises biologists, chemical engineers, chemists, civil engineers, environmental engineers, limnologists, and microbiologists. The scope of the journal include: •Treatment processes for water and wastewaters (municipal, agricultural, industrial, and on-site treatment), including resource recovery and residuals management; •Urban hydrology including sewer systems, stormwater management, and green infrastructure; •Drinking water treatment and distribution; •Potable and non-potable water reuse; •Sanitation, public health, and risk assessment; •Anaerobic digestion, solid and hazardous waste management, including source characterization and the effects and control of leachates and gaseous emissions; •Contaminants (chemical, microbial, anthropogenic particles such as nanoparticles or microplastics) and related water quality sensing, monitoring, fate, and assessment; •Anthropogenic impacts on inland, tidal, coastal and urban waters, focusing on surface and ground waters, and point and non-point sources of pollution; •Environmental restoration, linked to surface water, groundwater and groundwater remediation; •Analysis of the interfaces between sediments and water, and between water and atmosphere, focusing specifically on anthropogenic impacts; •Mathematical modelling, systems analysis, machine learning, and beneficial use of big data related to the anthropogenic water cycle; •Socio-economic, policy, and regulations studies.