浸出计算器:在新的流动性相关危险等级PMT和vPvM框架内预测浸出性的工具。

IF 8.4 4区 环境科学与生态学 Q2 ENVIRONMENTAL SCIENCES
Judith Klein, Dimitrios Skodras
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引用次数: 0

摘要

在这项研究中,我们提出了一种新的物质流动性指标,延伸到已经实施的使用对数Koc作为土壤有机碳含量的吸收常数。新的度量是基于土壤中化合物的淋溶性,即预测将被输送到浅层地下水的部分。除了包括欧洲地区的气候和土壤性质外,还使用了土壤中的降解半衰期,并将log Koc作为重要参数。这提高了流动性概念对在欧洲环境条件下使用的物质的适用性,因为降解对物质通过土壤或沉积物等饮用水屏障的潜力具有重要作用。为了考虑这些额外的参数,开发了元模型浸出计算器。它是基于FOCUS PELMO作为基础模型来计算物质的浸出能力。PELMO是一种机械浸出模型,可以提供对化学物质在环境中的运动更全面的理解。虽然FOCUS PELMO计算需要许多物质参数和明确的土壤气候情景,但淋滤计算器仅使用对数Koc和土壤中的半衰期作为输入参数,随后根据一组PELMO计算计算出淋滤能力。然后根据建议的浸出性阈值得出流动性评估。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
The Leaching Calculator: A Tool for Predicting Leachability within the Framework of the New Mobility related Hazard Classes PMT and vPvM.

In this study, we propose a new metric for substance mobility in extension to the already implemented use of the log Koc as a sorption constant to the organic carbon content of soils. The new metric is based on the leachability of a compound in soil, ie the fraction thereof that is predicted to be transported to shallow groundwater. Apart from including climate and soil properties of European regions, the degradation half-life in soil is used in addition to the log Koc as an important parameter. This improves the applicability of the mobility concept for substances used under European environmental conditions due to the important role of degradation on a substance's potential to pass drinking water barriers such as soil or sediment. To factor in these additional parameters, the meta-model Leaching Calculator was developed. It is based on FOCUS PELMO as the underlying model to calculate the leachability of substances. FOCUS PELMO is a mechanistic leaching model that may provide a more comprehensive understanding of a chemical's movements in the environment. While calculations with FOCUS PELMO require many substance parameters and well defined pedo-climatic scenarios, the Leaching calculator only uses the log Koc and the half-life in soil as input parameters, and subsequently calculates the leachability based on a set of PELMO computations. Mobility assessments are then derived from proposed leachability thresholds.

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来源期刊
Integrated Environmental Assessment and Management
Integrated Environmental Assessment and Management ENVIRONMENTAL SCIENCESTOXICOLOGY&nbs-TOXICOLOGY
CiteScore
5.90
自引率
6.50%
发文量
156
期刊介绍: Integrated Environmental Assessment and Management (IEAM) publishes the science underpinning environmental decision making and problem solving. Papers submitted to IEAM must link science and technical innovations to vexing regional or global environmental issues in one or more of the following core areas: Science-informed regulation, policy, and decision making Health and ecological risk and impact assessment Restoration and management of damaged ecosystems Sustaining ecosystems Managing large-scale environmental change Papers published in these broad fields of study are connected by an array of interdisciplinary engineering, management, and scientific themes, which collectively reflect the interconnectedness of the scientific, social, and environmental challenges facing our modern global society: Methods for environmental quality assessment; forecasting across a number of ecosystem uses and challenges (systems-based, cost-benefit, ecosystem services, etc.); measuring or predicting ecosystem change and adaptation Approaches that connect policy and management tools; harmonize national and international environmental regulation; merge human well-being with ecological management; develop and sustain the function of ecosystems; conceptualize, model and apply concepts of spatial and regional sustainability Assessment and management frameworks that incorporate conservation, life cycle, restoration, and sustainability; considerations for climate-induced adaptation, change and consequences, and vulnerability Environmental management applications using risk-based approaches; considerations for protecting and fostering biodiversity, as well as enhancement or protection of ecosystem services and resiliency.
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