摘要
针对深圳河的重要支流——布吉河水体不断发黑发臭的状况,对布吉河粤宝公司断面的河水枯水期水质进行连续监测。依据GB3838—2002《地表水环境质量标准》Ⅴ类水质标准评价并进行内梅罗综合污染指数计算。结果表明:布吉河水质属严重的劣Ⅴ类,氮是最重要的污染物,布吉河水已经为低浓度城市污水,且水污染有逐年加重的趋势。全天24h、间隔为1h的水样监测结果表明:COD和BOD的日浓度变化趋势具有一定的相似性;NH3-N和TN的日浓度变化规律具有很好的相似性,变化趋势比较一致;TP的浓度变化特征与NH3-N和TN的变化规律有较强的同步性,但是浓度变化趋势推迟1h左右。该水质监测评价分析为布吉河的水污染治理提供依据。
As the water is continuously black and odorous in the Buji River, one of the most important branches of the Shenzhen River, the water quality in the Yuebao Company section was monitored continuously in the dry season. According to the level V standard of Environmental Quality Standards for Surface Water （GB3838-2002）, the Nememw integrated index was calculated. The results showed that the water quality of the Buji River was worse than the level V standard, and nitrogen was the most significant pollutant. The water in the Buji River had already heen a low- concentration urban wastewater, and the water pollution was deteriorating year by year. Water samples gathered at an interval of one hour for 24 hours showed that the changing tendencies of COD and BOD had some similarity within a day. The variation of ammonia nitrogen （NH3-N） and total nitrogen （TN） concentrations were similar and NH3-N had almost consistent trends. The variation of total phosphorus （TP） concentration and the variations of NH3-N and TN concentrations had a comparatively stronger synchronization, but the peak was delayed by about one hour. These monitoring and analysis results provide the basis for water pollution control administration.
出处
《水资源保护》
CAS
2010年第2期36-38,44,共4页
Water Resources Protection
基金
深圳市财政支持项目(SZCG2007046206)
关键词
枯水期
内梅罗指数
污染指数
水质评价
水质特征
布吉河
深圳市
dry season
Nemerow integrated index
Pollution index
water quatity assessment
water qualitycharaeteristics
Buji River
Shenzhen City
