| Cite this article: | 宋梓菡,崔嵩,付强,等.哈尔滨市主城区河流污染物入河量初步估算与来源分析[J].灌溉排水学报,2020,():-. |
| SONG Zihan,CUI Song,FU Qiang,et al.哈尔滨市主城区河流污染物入河量初步估算与来源分析[J].灌溉排水学报,2020,():-. |
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| Preliminary estimation and source analysis of river pollutant load in the main urban area of Harbin |
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SONG Zihan1, CUI Song1, FU Qiang1, GAO Qingfeng2, LI Kunyang1, GAO Shang1, ZHAO Yanchao1, JIA Zhaoyang1
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1.International Joint Research Center for Persistent Toxic Substances IJRC-PTS,School of Water Conservancy and Civil Engineering,Northeast Agricultural University;2.Harbin Institute of Water Science and Research
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| Abstract: |
| 【Objective】In order to explore the source structure and pollution characteristics of river pollutants in the main urban area of Harbin, the typical rivers Majia River, Hejia River, Yunliang River and Fasheng River【Method】They were divided into control units, according to the geographic location, hydrological characteristics and economic development. And the annual emissions of the target pollutants (COD, TN and TP) were estimated by the source strength coefficient method. Then, the river load ratio was used to estimate the river pollution load, on the basis of considering the impact of spatial structure characteristics on the process of pollutant entering the river. And Monte Carlo simulation method was adopted to analyze the uncertainty of the estimation and the sensitivity of each calculation parameter.【Result】The results showed that the total annual emissions of COD, TN and TP of research area were 5 857.96, 2 479.62 and 340.96 t, respectively, and the river pollution load were 2 331.97, 624.00 and 64.50 t, respectively. The annual river pollution load of COD, TN and TP was significantly correlated with the monitoring data, with the correlation coefficients were R=0.870(p<0.01), R=0.701(p<0.01) and R=0.832(p<0.01), respectively. There was a significant spatial distribution that suburban areas > rural areas > urban areas (p<0.05); rural life source and agricultural non-point source were the main sources of target river pollutants in the study area, with contribution rates of 49% and 31%, respectively.【Conclusion】The river pollution in the main urban area of Harbin is mainly concentrated in the suburban areas. The pollutants mainly come from rural life sources and agricultural non-point sources. The focus of river pollution control in this area should be concentrated on the control of rural life and production. |
| Key words: control units;river load ratio;river pollution load;pollution characteristics;uncertainty analysis |
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