水环境容量的影响因素及分析研究

Analysis and Research on Influence Factors of Environmental Capacity of Water

本文采用流量级频率分析和统计分析方法,对黄河下游流量及泥沙含量对水环境容量的影响进行了研究分析。分析结果:河流在平滩流量时不仅输沙能力最大[8],而且输运污染物能力也最大,黄河下游水环境容量萎缩是平滩流量降低的必然结果。

The article adopts flow frequency analysis and statistic analysis method to analyze and research the influence of water flow and silt content to environmental capacity of water in the lower reaches of Yellow river. According to the results, not only the silt transport capacity is the maximum, but also the ability of contamination transport is the most, when the river has the most ability river water flow at the flat beaches. Therefore, in the lower reaches of Yellow river, the shrink of environmental capacity of water is the inevitable result of water flow decrease at the flat beaches.