Water quality in the Chinese Qinling Mountains over the last 20 years DOI Creative Commons

Chensong Zhao,

Na Peng, Shan Hua

et al.

Frontiers in Water, Journal Year: 2024, Volume and Issue: 6

Published: Nov. 13, 2024

The Qinling Mountains, the so-called “central water tower,” are extremely important resource hubs in China. influence of forest ecological environment on quality is complicated. Therefore, to investigate spatiotemporal variations quality, we employed a random model integrate multiple key indicators into one overall ranking value. Monthly monitoring data surface runoff and atmospheric precipitation events (2003–2022) for Huodigou stream Mountains were used. results revealed that after entered ecosystem, coefficients variation most selected decreased, but there significant differences among six (NO 3 − , Mg 2+ Na + pH, K Ca ). Most within positively correlated, such as those precipitation. However, some indices negatively correlated with precipitation, was negative correlation between NO3 ( p < 0.01). grade generated by through ecosystems significantly improved 0.001), which average approximately 3.6, is, Grade I-3 I-4, whereas 4.5, I-4 I-5. order NO > pH . Overall, our assessment from 2003 2022, more stable. In summary, ecosystem has purification effect it receives. Our novel criterion-based approach categorizing offers new tool examining region other mountainous areas.

Language: Английский

Optimization of water quality index models using machine learning approaches DOI
Fei Ding, Wenjie Zhang, Shaohua Cao

et al.

Water Research, Journal Year: 2023, Volume and Issue: 243, P. 120337 - 120337

Published: July 11, 2023

Language: Английский

Citations

80
Spatiotemporal characteristics and potential pollution factors of water quality in the eastern route of the South-to-North Water Diversion Project in China DOI

Lingjiang Lu,

Yongcan Chen,

Manjie Li

et al.

Journal of Hydrology, Journal Year: 2024, Volume and Issue: 638, P. 131523 - 131523

Published: June 16, 2024

Language: Английский

Citations

6
Multivariable integrated risk and spatiotemporal characteristics assessment for water quality using comprehensive risk index in Jiangsu section of the south-to-north water diversion project, China DOI
Yue Zhang, Jun Hou, Rui Zhou

et al.

Environmental Geochemistry and Health, Journal Year: 2025, Volume and Issue: 47(5)

Published: March 26, 2025

Language: Английский

Citations

0
Qualidade das águas pluviais urbanas e rurais e fontes de contaminação: uma análise bibliométrica DOI

M.A.P. da Silva,

Thyago Nóbrega Silveira, Leandro Soares Santos

et al.

Geographia Opportuno Tempore, Journal Year: 2025, Volume and Issue: 11(1), P. e50672 - e50672

Published: March 24, 2025

A pesquisa em torno da qualidade de águas pluviais tem sido grande interesse nos últimos anos, principalmente tendo vista a problemática escassez hídrica e o melhor aproveitamento destes recursos. O presente estudo desenvolveu uma bibliométrica buscando identificar as tendências emergentes tópicos relevantes publicação, principais fontes contaminação relacionadas à pluviais. Através na plataforma Scopus, foram identificadas 6.218 publicações no intervalo dos 10 anos (2014 - 2024), análises textos foi dada mediante biblioteca do R-Studio “Bibliometrix”, VOSviewer. Foi possível verificar que maiores área produzidas por cientistas americanos (EUA), mais presentes são oriundas difusa, devido agricultura. utilização Índices água pluvial também tendência para gerenciamento recursos, embora prevenção tratamento dessas seja lacuna identificada.

Citations

0
Research progress in surface water quality monitoring based on remote sensing technology DOI
Yue Zheng, Jianjun Wang, Yuriy Kondratenko

et al.

International Journal of Remote Sensing, Journal Year: 2024, Volume and Issue: 45(7), P. 2337 - 2373

Published: March 21, 2024

Urban surface water is an important freshwater resource, and the environment increasingly being destroyed. Dynamic monitoring of great significance for protecting ecological environment. Remote sensing technology provides technical support monitoring, which overcomes drawbacks traditional manual sampling. It has been widely applied in monitoring. The paper systematically reviews research progress remote from aspects data, inversion models quality parameters. Advantages disadvantages (analytical methods, empirical semi-empirical machine learning methods comprehensive methods) are compared analysed. Furthermore, we summarize chlorophyll a (Chl-a), total suspended matter (TSM), coloured dissolved organic (CDOM), transparency non-photosensitive Although new ideas there still some problems that need to be solved, such as signals affected by atmosphere, poor portability models, low resolution satellite sensors, susceptibility external factors. Therefore, future should combine multi-source conduct in-depth on optical characteristics bodies, optimize construct transferable break through temporal spatial limitations, promote rapid development pollution warning.

Language: Английский

Citations

2
Water Quality Assessment of AL-Mahawil Stream/Babylon/Iraq Using Canadian Water Quality Index DOI Open Access

May Hameed Mohammad Al-Dehamee

IOP Conference Series Earth and Environmental Science, Journal Year: 2024, Volume and Issue: 1325(1), P. 012004 - 012004

Published: April 1, 2024

Abstract This study aimed to know the water quality in Al-Mahawil stream which is a from Euphrates River Babylon governorate by using Canadian index determining values of most important physical and chemical parameters after taken three sites along [site 1 (S1), site 2 (S2), 3 (S3)]. data was determined seasonally collection samples monthly December 2021 November 2022. The results first finding out whether these within or above Iraqi limiting standards drinking that (WQI) has been calculation, then if can possibly directly used for purpose other uses. Generally, pointed some chemicals were permissible water, while others standard. Also, showed WQI all calculating marginal cannot purpose. there significant differentiation among with positive correlation coefficients it.

Language: Английский

Citations

0
Water quality in the Chinese Qinling Mountains over the last 20 years DOI Creative Commons

Chensong Zhao,

Na Peng, Shan Hua

et al.

Frontiers in Water, Journal Year: 2024, Volume and Issue: 6

Published: Nov. 13, 2024

The Qinling Mountains, the so-called “central water tower,” are extremely important resource hubs in China. influence of forest ecological environment on quality is complicated. Therefore, to investigate spatiotemporal variations quality, we employed a random model integrate multiple key indicators into one overall ranking value. Monthly monitoring data surface runoff and atmospheric precipitation events (2003–2022) for Huodigou stream Mountains were used. results revealed that after entered ecosystem, coefficients variation most selected decreased, but there significant differences among six (NO 3 − , Mg 2+ Na + pH, K Ca ). Most within positively correlated, such as those precipitation. However, some indices negatively correlated with precipitation, was negative correlation between NO3 ( p < 0.01). grade generated by through ecosystems significantly improved 0.001), which average approximately 3.6, is, Grade I-3 I-4, whereas 4.5, I-4 I-5. order NO > pH . Overall, our assessment from 2003 2022, more stable. In summary, ecosystem has purification effect it receives. Our novel criterion-based approach categorizing offers new tool examining region other mountainous areas.

Language: Английский

Citations

0