【摘 要】
：
基于葫芦河静宁、秦安水文站数据以及实测断面数据,采用分析借用法、二断面实测法以及经验公式法分析了葫芦河中上游静宁、庄浪工业、农业用水区(属于二级水功能区)的综合降
【机 构】
：
兰州大学资源环境学院,西部环境教育部重点实验室,兰州730000
论文部分内容阅读
基于葫芦河静宁、秦安水文站数据以及实测断面数据,采用分析借用法、二断面实测法以及经验公式法分析了葫芦河中上游静宁、庄浪工业、农业用水区(属于二级水功能区)的综合降解系数,确定该区的水质模型.结果表明,葫芦河流域静宁水文站-高家峡段化学需氧量和氨氮降解系数分别为0.22和0.17/d,相比其他河流较小;常规水质监测表明,2018年葫芦河经过专项治理,水质得到显著改善,基本满足Ⅲ类水质标准,葫芦河2018年枯水期降解性能较差可能受流量、流速较小的限制;通过对模型参数(设计流量、流速等)的分析确定了河段污染物枯水期的一维水质模型.
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