不同污染类型水体流速与SPI值的关系

Relationship between Water Body Flow Velocity and SPI Value of Different Pollution Types

为研究城市景观水体不同污染类型水体流速与SPI值的内在联系及其影响因素,本文以辽宁抚顺城区河道为研究对象,按水体特征污染物的不同,将水体污染类型分为混合型、营养主导型、无机主导型,运用偏相关分析和相关分析方法,探究不同污染类型水体流速对水体表观的作用机制。研究表明:流速主要通过作用于水中的无机悬浮物含量、藻类对水体的SPI值产生影响,该研究为城市景观水体表观污染控制提供了科学依据。

In the paper,Liaoning Fushun urban river way is adopted as the research object,water body pollution types are divided into hybrid type,nutrition leading type and inorganic leading type according to different water particular pollutants in order to study the inner relationship between water flow velocity and SPI value of different pollution types in urban landscape water body as well as influencing factors thereof.Partial correlation analysis and correlation analysis methods are used to explore the effect mechanism of water flow velocities with different pollution types to water bodies.The study indicates that the flow velocity mainly acts through the SPI value of water inorganic suspended solid contents and algae on water bodies,and the study provides scientific basis for urban landscape water appearance pollution control.