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Research on the Main Influencing Factors of Urban Water Transparency
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Hui GENG, Cui-ling JIANG, Chen-hui WU, Jia-yue LIU
Water Resources and Power | 2023, 41(7) : 59 - 63
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Water Resources and Power | 2023, 41(7): 59-63
• HYDROLOGY，WATER RESOURCES AND ENVIRONMENT •
Research on the Main Influencing Factors of Urban Water Transparency
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Hui GENG, Cui-ling JIANG, Chen-hui WU, Jia-yue LIU
Affiliations
  • College of Hydrology and Water Resources, Hohai University, Nanjing 210098, China
Published: 2023-07-25 doi: 10.20040/j.cnki.1000-7709.2023.20221521
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Urban water bodies play a vital role in maintaining the urban environment and development. In order to solve the problem of low transparency of its water body, taking Yaojiang River as the research object, the effects of solar radiation, turbidity, suspended solids concentration and particle size on water transparency were analyzed by means of comparative ratio, Pearson correlation analysis, and curve fitting calculation. The results show that the light intensity, solar elevation angle and azimuth angle affect the transparency monitoring. The stronger the light is, the greater the monitoring result of transparency is. Transparency (SD) is negatively correlated with turbidity (TUB) and suspended solids concentration (SS). Pearson correlation coefficients are -0.880, -0.570. After monitoring and calculation, the median particle size (d50%) of Yaojiang River is between 15.5 and 61.3 μm. Filtration through a filter with a pore size of 10 μm can control the turbidity of the water body within 9.7 NTU and the concentration of suspended solids within 13.4 mg/L. The transparency of the Yaojiang River can reach 80 cm, which is the minimum requirement to maintain a normal aquatic environment.

urban water body  /  Yaojiang River  /  transparency  /  light  /  turbidity  /  suspended solids concentration  /  particle size
Hui GENG, Cui-ling JIANG, Chen-hui WU, Jia-yue LIU. Research on the Main Influencing Factors of Urban Water Transparency[J]. Water Resources and Power, 2023 , 41 (7) : 59 -63 . DOI: 10.20040/j.cnki.1000-7709.2023.20221521
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Year 2023 volume 41 Issue 7
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Article Info
doi: 10.20040/j.cnki.1000-7709.2023.20221521
  • Receive Date：2022-07-24
  • Online Date：2026-01-28
  • Published：2023-07-25
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  • Received：2022-07-24
  • Revised：2022-09-19
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    College of Hydrology and Water Resources, Hohai University, Nanjing 210098, China
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https://castjournals.cast.org.cn/joweb/sdnykx/EN/10.20040/j.cnki.1000-7709.2023.20221521
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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