Influence of landscape patterns on nitrate and particulate organic nitrogen inputs to urban stormwater runoff
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148132272. Available under License Creative Commons Attribution Non-commercial No Derivatives 4.0. |
Description
This study investigated the effect of the landscape pattern of permeable/impermeable patches on NO3--N and particulate organic nitrogen (PON) concentrations during stormwater runoff transport and their source contributions. Six landscape pattern indices, namely, mean proximity index (MPI), largest patch index (LPI), mean shape index (MSI), landscape shape index (LSI), connect index (CONNECT), and splitting index (SPLIT), were selected to reflect the fragmentation, complexity, and connectivity of permeable patches in urban catchments. The results show that lower fragmentation, higher complexity, and greater connectivity can reduce NO3--N concentrations in road runoff and drainage flow (i.e., the flow in the stormwater drainage network), as well as PON concentrations in road runoff. Further, the above landscape pattern is effective for mitigating the contributions of NO3--N and PON from road runoff. Low impact development (LID) can be incorporated with the landscape pattern of permeable/impermeable patches to mitigate nitrogen pollution in urban stormwater at the catchment scale by optimizing the spatial arrangement.
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| ID Code: | 244038 | ||
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| Item Type: | Contribution to Journal (Journal Article) | ||
| Refereed: | Yes | ||
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| Additional Information: | Acknowledgement: This research was supported by the National Natural Science Foundation of China (No. 42077377) and the Fundamental Research Funds for the Central Universities (No. 2019NTST09). | ||
| Measurements or Duration: | 9 pages | ||
| DOI: | 10.1016/j.jenvman.2023.119190 | ||
| ISSN: | 0301-4797 | ||
| Pure ID: | 148132272 | ||
| Divisions: | Current > QUT Faculties and Divisions > Faculty of Engineering Current > Schools > School of Civil & Environmental Engineering |
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| Copyright Owner: | 2023 Elsevier Ltd. | ||
| Copyright Statement: | This work is covered by copyright. Unless the document is being made available under a Creative Commons Licence, you must assume that re-use is limited to personal use and that permission from the copyright owner must be obtained for all other uses. If the document is available under a Creative Commons License (or other specified license) then refer to the Licence for details of permitted re-use. It is a condition of access that users recognise and abide by the legal requirements associated with these rights. If you believe that this work infringes copyright please provide details by email to qut.copyright@qut.edu.au | ||
| Deposited On: | 24 Oct 2023 00:58 | ||
| Last Modified: | 26 Jul 2024 17:44 |
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