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Zhou, L, Wu, F, Meng, Y, Byrne, P, Ghomshei, M and Abbaspour, KC (2023) Modelling transport and fate of heavy metals at the watershed scale: state-of-the-art and future directions. Science of the Total Environment, 878. ISSN 0048-9697
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Modeling transport and fate of heavy metals at the watershed scale.pdf - Accepted Version Available under License Creative Commons Attribution Non-commercial No Derivatives. Download (1MB) | Preview |
Abstract
A predictive understanding of the source-specific (e.g., point and diffuse sources) land-to-river heavy metal (HM) loads and HM dynamics in rivers is essential for mitigating river pollution and developing effective river basin management strategies. Developing such strategies requires adequate monitoring and comprehensive models based on a solid scientific understanding of the watershed system. However, a comprehensive review of existing studies on the watershed-scale HM fate and transport modeling is lacking. In this review, we synthesize the recent developments in the current generation of watershed-scale HM models, which cover a wide range of functionalities, capabilities, and spatial and temporal scales (resolutions). Existing models, constructed at various levels of complexity, have their strengths and weaknesses in supporting diverse intended uses. Additionally, current challenges in the application of watershed HM modeling are covered, including the representation of in-stream processes, organic matter/carbon dynamics and mitigation practices, the issues of model calibration and uncertainty analysis, and the balance between model complexity and available data. Finally, we outline future research requirements regarding modeling, strategic monitoring, and their combined use to enhance model capabilities. In particular, we envisage a flexible framework for future watershed-scale HM models with varying degrees of complexity to accommodate the available data and specific applications.
| Item Type: | Article |
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| Additional Information: | This is the author final version published in Science of The Total Environment,Volume 878, 2023, 163087, ISSN 0048-9697, available at https://doi.org/10.1016/j.scitotenv.2023.163087 Lingfeng Zhou, Fengchang Wu, Yaobin Meng, Patrick Byrne, Mory Ghomshei, Karim C. Abbaspour, Modeling transport and fate of heavy metals at the watershed scale: State-of-the-art and future directions, |
| Uncontrolled Keywords: | Catchment-scale; Fate and transport model; Heavy metal land process; Heavy metals; In-stream heavy metal process; Point and diffuse source pollution; Environmental Sciences |
| Subjects: | G Geography. Anthropology. Recreation > GE Environmental Sciences |
| Divisions: | Biological & Environmental Sciences (from Sep 19) |
| Publisher: | Elsevier |
| SWORD Depositor: | A Symplectic |
| Date Deposited: | 25 Mar 2024 11:39 |
| Last Modified: | 28 Mar 2024 00:50 |
| DOI or ID number: | 10.1016/j.scitotenv.2023.163087 |
| URI: | https://researchonline.ljmu.ac.uk/id/eprint/22852 |
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