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通过呼吸图表指标评估河流健康状况:来自中国河流域的见解,中国

Xingdong Gao¹, Yanxia Liu¹, Congcong Tang¹

¹Key Laboratory of Northwest Water Resource, Environment and Ecology, MOE, School of Environmental and Municipal Engineering, Xi'an University of Architecture and Technology, Xi'an 710055, China; Xi'an Key Laboratory of Intelligent Equipment Technology for Environmental Engineering, Xi'an University of Architecture and Technology, Xi'an 710055, China.

The Science of the total environment

|February 11, 2024

概括

这项研究引入了呼吸图,这是一种通过同时测量污染水平和微生物活力来评估河流健康的新方法. 该技术有助于对河流状况进行分类,并为改善水质提出有针对性的管理策略.

科学领域:

环境科学环境科学
河流生态河流生态
评估水质水质的评估.

背景情况:

人类活动对河流生态系统产生重大影响,需要先进的评估工具来有效管理.
河流域面临着需要创新的监测和恢复解决方案的威胁.

研究的目的:

引入和验证呼吸图作为河流健康的双指标评估技术.
建立基于污染和微生物状态的水体分类系统.
提出有针对性的工程措施,以提高河流的自我净化.

主要方法:

利用呼吸谱技术同时评估河流污染和微生物状态.
使用现场呼吸率 (R_s/t) 来表示污染水平.
使用恢复指数 (RI) 来测量微生物活力和恢复潜力.
定义了水体分类的临界值 (R_s/t = 0.3,RI = 0.15).

主要成果:

建立了水体的四种类型分类系统,包括污水接收,城市,自然和废水处理厂类别.
在较高的R_s/t值和增加的污染之间显示出正相关性.
表示RI值低于0.15意味着微生物活性和恢复潜力更大.
根据呼吸图的评估,成功地划分了不同的河流类型.

结论:

呼吸图是全面评估河流健康状况的有效工具,结合了污染和微生物动态.
该分类系统为了解河流状况和指导管理决策提供了基础.
针对性的工程干预可以根据特定的河流状态进行定制,以提高自净化能力.

关键词:

光光谱的光光谱氧气吸收率是指氧气的吸收速度.这是一个呼吸图表.评估河流的健康状况河流污染河流污染

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