Assessment of microplastics in urban stormwater runoff

城市雨水径流中的微塑料评估

• 批准号: 514607-2017
• 负责人: Ross, Matthew
• 金额: $ 1.4万
• 依托单位: Grant MacEwan University
• 依托单位国家: 加拿大
• 项目类别: Engage Grants Program
• 财政年份: 2017
• 资助国家: 加拿大
• 起止时间: 2017-01-01 至 2018-12-31
• 项目状态: 已结题
• 来源: https://www.nserc-crsng.gc.ca/ase-oro/Details-Detailles_eng.asp?id=640576
• 关键词: Assessment; microplastics; urban; stormwater; runoff

In the past decade, microplastics have emerged as ubiquitous global contaminants that pose a threat to thewell-being of aquatic organisms. Urban stormwater runoff has been identified as a potentially significantsource of microplastics to the aquatic environment, and although there are no reports of microplastic quantitiesin runoff from Canada, quantities in runoff from Europe are comparable to quantities in municipal wastewater.This project serves as an initial assessment of: (1) the impacts of different urban activities on the quantities andcharacteristics of microplastics in urban stormwater runoff; (2) the quantities of microplastics entering theGlenmore reservoir, the primary source of drinking water for the City of Calgary; and (3) the occurrence ofmicroplastics in stormwater retention ponds within the City of Calgary. Understanding the influence ofdifferent land uses on the quantities of microplastics in stormwater runoff, coupled with an initial assessmentof the effectiveness of stormwater retention ponds to retain microplastics, The scientific knowledge andinnovation gained through this project will allow the City of Calgary to identify areas at risk for microplasticpollution and prioritize sites for future investigation. It is also expected that the knowledge gained from thisproject will be valuable to municipalities across Canada in managing microplastic inputs to the environmentvia stormwater runoff and in developing mitigation strategies to protect human and ecosystem health.

在过去的十年里，微塑料已经成为无处不在的全球污染物，对水生生物的健康构成威胁。城市雨水径流已被确定为水环境中微塑料的潜在重要来源，尽管加拿大没有关于径流中微塑料数量的报道，但来自欧洲的径流数量与城市污水中的数量相当。该项目初步评估：(1)不同城市活动对城市雨水径流中微塑料数量和特征的影响；(2)进入格伦莫尔水库的微塑料数量，该水库是卡尔加里市饮用水的主要来源；以及(3)卡尔加里市雨水蓄水池中微塑料的存在情况。了解不同土地利用对雨水径流中微塑料数量的影响，再加上对雨水蓄水池保留微塑料效果的初步评估，通过该项目获得的科学知识和创新将使卡尔加里市能够确定微塑料污染的风险区域，并确定未来调查的优先地点。预计从该项目中获得的知识将对加拿大各地的市政当局通过雨水径流管理微塑料对环境的投入以及在制定缓解战略以保护人类和生态系统健康方面具有价值。