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The ecological environment of the Xiangjiang River region is sensitive, and its water quality directly affects the economic development, environment and people’s livelihood of the downstream areas. In this paper, SWMM model is applied to simulate the current situation of water quality in the main and tributaries of Xiangjiang River Basin, which has good accuracy; the water quality changes in the future are predicted. The results show that in 2025 and 2030, Daqiuping section will deteriorate from the current class III water to class IV water, and in 2035 to class V water. The main performance is that NH3-N exceeds the standard seriously, and pollution control measures need to be taken to improve the water quality.

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Water Quality Simulation and Application of Urban Rivers Based on SWMM Model—A Case Study of Xiangjiang River Basin in Zunyi City

  • 章节

  • 发表日期：

    2025年

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  • Yutong Chen,
  • Tingting Xiao,
  • Li Ma,
  • Ya Zhang,
  • Qing Zhang

摘要

The ecological environment of the Xiangjiang River region is sensitive, and its water quality directly affects the economic development, environment and people’s livelihood of the downstream areas. In this paper, SWMM model is applied to simulate the current situation of water quality in the main and tributaries of Xiangjiang River Basin, which has good accuracy; the water quality changes in the future are predicted. The results show that in 2025 and 2030, Daqiuping section will deteriorate from the current class III water to class IV water, and in 2035 to class V water. The main performance is that NH3-N exceeds the standard seriously, and pollution control measures need to be taken to improve the water quality.