Receptor Models for the Evaluation of Fate and Transport of Organic Pollutants in the Aquatic Environment

用于评估水生环境中有机污染物的归宿和迁移的受体模型

• 批准号: 0107402
• 负责人: Erik Christensen
• 金额: $ 49.99万
• 依托单位: University of Wisconsin-Milwaukee
• 依托单位国家: 美国
• 项目类别: Continuing Grant
• 财政年份: 2001
• 资助国家: 美国
• 起止时间: 2001-09-01 至 2006-12-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=0107402&HistoricalAwards=false
• 关键词: Receptor; Models; Evaluation; Fate; Transport

0107402 Christensen The objective of this research project is to determine the fate and transport of organic pollutants in the aquatic environment based on receptor models and related methodologies. The emphasis is on polychlorinated biphenyls (PCBs) and polycyclic aromatic hydrocarbons (PAHs) in dated sediment cores from lakes and rivers. The sediment record offers a convenient means of evaluating not only the present situation but also past trends in physical/chemical and biological degradation, and the relative significance of the different sources. Mathematical methods include factor analysis models which do not depend on preexisting knowledge of degradation or source profiles, and chemical mass balance models in which sources and the relative amounts of various compounds or source profiles must be known. Both categories of pollutants are of concern to the environment and may be present both in point and non-point sources as well as in atmospheric fallout. ***

0107402克里斯滕森本研究项目的目标是根据受体模型和相关方法确定有机污染物在水环境中的去向和迁移。重点是湖泊和河流沉积物岩心中的多氯联苯(PCbs)和多环芳烃(PAHs)。沉积物记录为评估物理/化学和生物降解的现状和过去的趋势以及不同来源的相对重要性提供了一种便利的手段。数学方法包括因子分析模型，它不依赖于已有的降解或源分布知识，以及化学质量平衡模型，在该模型中，必须知道各种化合物的源和相对数量或源分布。这两类污染物都与环境有关，可能既存在于点源和非点源中，也存在于大气尘埃中。***