Water quality assessment of Lugu Lake based on Nemerow
网页2022年8月10日 — Compared with the evaluation results of the water quality pollution status of each monitoring section of Lugu Lake by the single factor pollution index method, the Nemerow index method ...
内梅罗指数计算 - 百度百科
网页公式介绍. 播报. 编辑. 内梅罗指数的基本计算式为: 式中 max i 为各 单因子环境质量指数 中最大者，ave i 为各单因子环境质量指数的平均值。 内梅罗指数特别考虑了污染最严重的因子，内梅罗环境质量指数在加权过程中避免了权系数中主观因素的影响，是应用较多的一种环境质量指数。 综合评价. 播报. 编辑. 多因子环境质量指数的综合评价方法很多，除了上述方法外还可以采用向量模法或幂指数法进行综合评价。 用环境质量指数评价法可以判断环境质 …
Application of Nemerow Index Method and Integrated Water …
网页2018年3月1日 — Abstract. [Objective] Based on the water quality historical data from the Zhangze Reservoir from the last five years, the water quality was assessed by the integrated water quality identification index method and the Nemerow pollution index method.
Water quality assessment based on Nemerow pollution index
网页2022年8月18日 — The Nemerow pollution index method emphasizes the most polluting factor while also taking into account the contribution of other factors in the assessment system, and determines the water quality category through the comprehensive pollution index.
Risk assessment and source analysis of soil heavy metal …
网页2018年8月15日 — This study quantitatively evaluated the risk and detected heavy metal pollution. Nemerow, Geo-accumulation, and Hakanson's ecological risk indices were used spatially quantify pollution status and potential threats …
Pollution indices as useful tools for the comprehensive evaluation …
网页Nemerow Pollution Index (PI Nemerow) The Nemerow Pollution Index (PI Nemerow) allows the assessment of the overall degree of pollution of the soil and includes the contents of all analyzed heavy metals (Gong et al. 2008). It is calculated for both the O and A horizons, based on the following formula:
科研 | 南开大学: 多种重金属污染土壤中微生物群落和代谢特征对柽 …
网页2022年9月27日 — Nemerow指数作为多种HMs污染土壤的综合评价指标，也是一个相对关键的因素。 在所选区域， unclassified family AKYG1722 和 Thermobaculum (绿弯菌门)被报道为土壤中HMs的指示菌，能够适应多种HMs污染环境。
Calculating Pollution Indices by Heavy Metals in Ecological ...
网页2008年6月1日 — Nemerow pollution index A Nemerow pollution index (PINemerow) was applied to assess the quality of soil environment widely (Cheng et al., 2007) and was defined as PI Nemerow = ( / ' i) im m 2 (I8) where Pi is the single pollution index of heavy metal i; Pimax is the maximum value of the single pollution indices of all heavy metals, and m is the ...
Heavy metal pollution of soils from coal mines in China
网页2019年9月23日 — Methods including Index of geoaccumulation (I geo), Nemerow pollution index (P), potential ecological risk index and other statistics (Pearson correlation method and ANOVA variance analysis) were utilized. Compared with soils influenced by metal mining, heavy metal concentrations in soils from coal mines were much lower.
Spatial distribution characteristics and pollution evaluation of soil ...
网页2024年4月17日 — Nemerow index method is developed from the single-factor pollution index method, which is one of the most commonly used methods to calculate the comprehensive pollution index at home and abroad.
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