Impact of transboundary water flows on quality-induced water pressure in China
Abstract Quality-induced water pressure (P) is gaining increased attention. With the flows of transboundary water, P can be transferred among upstream and downstream regions. Here, we quantified the magnitude of pollutant transmission, and assessed its impact on individual provinces in China. On the...
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| Format: | Article |
| Language: | English |
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Nature Portfolio
2025-02-01
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| Series: | Communications Earth & Environment |
| Online Access: | https://doi.org/10.1038/s43247-025-02142-2 |
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| _version_ | 1850029156997267456 |
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| author | Shuman Liu Junguo Liu Dandan Zhao Hong Yang |
| author_facet | Shuman Liu Junguo Liu Dandan Zhao Hong Yang |
| author_sort | Shuman Liu |
| collection | DOAJ |
| description | Abstract Quality-induced water pressure (P) is gaining increased attention. With the flows of transboundary water, P can be transferred among upstream and downstream regions. Here, we quantified the magnitude of pollutant transmission, and assessed its impact on individual provinces in China. On the annual basis, P was mitigated in 61% of provinces for Chemical Oxygen Demand, 87% for Ammonia Nitrogen, and 84% for Total Phosphorus, while it was intensified for 77% for Total Nitrogen in 2021. The aggregated P were mitigated in 68% of provinces, while intensified in 32% provinces. Furthermore, the monthly assessment has found that the impact of transboundary water on P varies seasonally, generally alleviating in winter and exacerbating in summer. This fluctuation was attributed to the comparatively higher quality of transboundary inflows during winter relative to local water quality. This study provides a scientific foundation for effective water management and quality control. |
| format | Article |
| id | doaj-art-a8e4d743f3a0470fa18360f95ca4bc45 |
| institution | DOAJ |
| issn | 2662-4435 |
| language | English |
| publishDate | 2025-02-01 |
| publisher | Nature Portfolio |
| record_format | Article |
| series | Communications Earth & Environment |
| spelling | doaj-art-a8e4d743f3a0470fa18360f95ca4bc452025-08-20T02:59:37ZengNature PortfolioCommunications Earth & Environment2662-44352025-02-016111210.1038/s43247-025-02142-2Impact of transboundary water flows on quality-induced water pressure in ChinaShuman Liu0Junguo Liu1Dandan Zhao2Hong Yang3School of Environment Science and Engineering, Southern University of Science and TechnologySchool of Environment Science and Engineering, Southern University of Science and TechnologyInstitute of Surface-Earth System Science, School of Earth System Science, Tianjin University2w2e Environmental Consulting GmbH, Mettlenweg 3Abstract Quality-induced water pressure (P) is gaining increased attention. With the flows of transboundary water, P can be transferred among upstream and downstream regions. Here, we quantified the magnitude of pollutant transmission, and assessed its impact on individual provinces in China. On the annual basis, P was mitigated in 61% of provinces for Chemical Oxygen Demand, 87% for Ammonia Nitrogen, and 84% for Total Phosphorus, while it was intensified for 77% for Total Nitrogen in 2021. The aggregated P were mitigated in 68% of provinces, while intensified in 32% provinces. Furthermore, the monthly assessment has found that the impact of transboundary water on P varies seasonally, generally alleviating in winter and exacerbating in summer. This fluctuation was attributed to the comparatively higher quality of transboundary inflows during winter relative to local water quality. This study provides a scientific foundation for effective water management and quality control.https://doi.org/10.1038/s43247-025-02142-2 |
| spellingShingle | Shuman Liu Junguo Liu Dandan Zhao Hong Yang Impact of transboundary water flows on quality-induced water pressure in China Communications Earth & Environment |
| title | Impact of transboundary water flows on quality-induced water pressure in China |
| title_full | Impact of transboundary water flows on quality-induced water pressure in China |
| title_fullStr | Impact of transboundary water flows on quality-induced water pressure in China |
| title_full_unstemmed | Impact of transboundary water flows on quality-induced water pressure in China |
| title_short | Impact of transboundary water flows on quality-induced water pressure in China |
| title_sort | impact of transboundary water flows on quality induced water pressure in china |
| url | https://doi.org/10.1038/s43247-025-02142-2 |
| work_keys_str_mv | AT shumanliu impactoftransboundarywaterflowsonqualityinducedwaterpressureinchina AT junguoliu impactoftransboundarywaterflowsonqualityinducedwaterpressureinchina AT dandanzhao impactoftransboundarywaterflowsonqualityinducedwaterpressureinchina AT hongyang impactoftransboundarywaterflowsonqualityinducedwaterpressureinchina |