<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>This paper analyses and discusses the monthly and annual changes of chemical oxygen demand (COD), total nitrogen (TN), and total phosphorus (TP) concentrations from main sewage discharge ports in Xiangshan Bay. Using monitoring data obtained from 2010 to 2019, it systematically examines the monthly variation characteristics of the sewage discharge ports and the interannual changes in the fluxes of major pollutants into the sea. The concentrations of COD, TN, and TP, which were relatively high in November and January-March, generally declined. The annual and monthly changes fluctuated, but the flux into the sea generally decreased. The ecological environment of the nearby sea area is adversely affected, chiefly by land-based pollutants. During the five-year period, COD mainly came from soil erosion and domestic pollution, while TN and TP mainly came from agricultural activities and soil erosion. Hence, it is both necessary and urgent to improve the management of the sewage outfalls from land sources into the sea.</p>
</abstract>

This paper analyses and discusses the monthly and annual changes of chemical oxygen demand (COD), total nitrogen (TN), and total phosphorus (TP) concentrations from main sewage discharge ports in Xiangshan Bay. Using monitoring data obtained from 2010 to 2019, it systematically examines the monthly variation characteristics of the sewage discharge ports and the interannual changes in the fluxes of major pollutants into the sea. The concentrations of COD, TN, and TP, which were relatively high in November and January-March, generally declined. The annual and monthly changes fluctuated, but the flux into the sea generally decreased. The ecological environment of the nearby sea area is adversely affected, chiefly by land-based pollutants. During the five-year period, COD mainly came from soil erosion and domestic pollution, while TN and TP mainly came from agricultural activities and soil erosion. Hence, it is both necessary and urgent to improve the management of the sewage outfalls from land sources into the sea.

Investigation the Effect of the Main Land-Based Pollutants in Xiangshan Bay

Ecological Chemistry and Engineering S

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

{"article-title":"Investigation the Effect of the Main Land-Based Pollutants in Xiangshan Bay"}

This paper analyses and discusses the monthly and annual changes of chemical oxygen demand (COD), total nitrogen (TN), and total phosphorus (TP) concentrations...

Investigation the Effect of the Main Land-Based Pollutants in Xiangshan Bay

Published Online: Apr 22, 2022

Page range: 27 - 38

DOI: https://doi.org/10.2478/eces-2022-0004

Keywords
Xiangshan Bay, interannual variation, monthly variation, flux into the sea, land-based pollution, ecological environment

© 2022 Xueping Wang et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Investigation the Effect of the Main Land-Based Pollutants in Xiangshan Bay

Published Online: Apr 22, 2022

Page range: 27 - 38

DOI: https://doi.org/10.2478/eces-2022-0004

KeywordsXiangshan Bay, interannual variation, monthly variation, flux into the sea, land-based pollution, ecological environment

© 2022 Xueping Wang et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Keywords
Xiangshan Bay, interannual variation, monthly variation, flux into the sea, land-based pollution, ecological environment