We examine the different approaches in assessing the water quality of water bodies located within the territories with a significant human-induced impact. The hydrological region of Norilsk was used as a test site. The data used in the analysis characterize the period between 2001 and 2003; however, they are still relevant because of a high level of human-induced impact on water bodies. For the purposes of parameterization, the water quality indices which are being most abundantly used in Russia and abroad were evaluated. Results from parameterizing the water quality, obtained by various methods and combined into an overall scheme, were used to generate the rating scale for assessing the hydro-ecological status of aquatic ecosystems. These calculations show that the method of Specific Combinatorial Water Pollution Index (SCWPI) established by the departmental standard of the Federal Service for Hydrometeorology and Environmental Monitoring of Russia (Rosgidromet) provides the most objective water quality assessment for water bodies experiencing a significant human-induced impact. Similar results also apply for water quality parameterization using the Canadian CCME WQI method, which is confirmed by the closeness of correlation between the values of these indices. According to the SCWPI method, in none of the streams was the hydro-ecological status assessed as “normal”. In the sources of four rivers, it was found to be close to class 1, and their hydro-ecological status was assessed as “risk”. The water in 11 measuring sections corresponds to quality class 3, or a “critical” status of the aquatic ecosystem. In 12 measuring sections corresponding mainly to the estuarine segments of the rivers and some brooks, the hydro-ecological status of the1 water bodies is characterized as “disaster”, i. e. the water pertains to quality class 4 and 5. Furthermore, in none of the water bodies under study is the environmental “catastrophe” not recorded.

中文翻译：

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人为影响下不同方法对河流水质参数化效率的比较

我们研究了评估位于具有重大人为影响的领土内水体水质的不同方法。诺里尔斯克的水文区被用作试验场。分析中使用的数据描述了 2001 年至 2003 年期间的特征；然而，由于人为对水体的影响程度很高，因此它们仍然具有相关性。为了参数化的目的，对在俄罗斯和国外使用最广泛的水质指标进行了评估。通过各种方法获得的水质参数化结果并组合成一个整体方案，用于生成评估水生生态系统水生态状况的等级量表。这些计算表明，由俄罗斯联邦水文气象和环境监测局 (Rosgidromet) 部门标准制定的特定组合水污染指数 (SCWPI) 方法为经历重大人为因素的水体提供了最客观的水质评估。影响。类似的结果也适用于使用加拿大 CCME WQI 方法的水质参数化，这由这些指数值之间的相关性密切证实。根据 SCWPI 方法，没有一条河流的水文生态状况被评估为“正常”。4条河流源头接近1级，水文生态状况评估为“风险”。11个测量断面的水对应质量等级3，或水生生态系统的“临界”状态。在主要对应河流河口段和部分小溪的12个测量断面中，1个水体的水文生态状况为“灾害”，即水质为4级和5级。此外，在研究中的水体是未记录的环境“灾难”。