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于佳真, 王晓昌, 薛涛, 陈荣. 西安某人工湖水质时空分布特征及其荧光特性[J]. 环境工程学报, 2015, 9(9): 4265-4272. doi: 10.12030/j.cjee.20150928
引用本文: 于佳真, 王晓昌, 薛涛, 陈荣. 西安某人工湖水质时空分布特征及其荧光特性[J]. 环境工程学报, 2015, 9(9): 4265-4272. doi: 10.12030/j.cjee.20150928
shu
Yu Jiazhen, Wang Xiaochang, Xue Tao, Chen Rong. Distribution of water quality in time and space and fluorescence characteristics in an artificial lake of Xi'an[J]. Chinese Journal of Environmental Engineering, 2015, 9(9): 4265-4272. doi: 10.12030/j.cjee.20150928
Citation: Yu Jiazhen, Wang Xiaochang, Xue Tao, Chen Rong. Distribution of water quality in time and space and fluorescence characteristics in an artificial lake of Xi'an[J]. Chinese Journal of Environmental Engineering, 2015, 9(9): 4265-4272. doi: 10.12030/j.cjee.20150928
shu

西安某人工湖水质时空分布特征及其荧光特性

  • 1.

    西安建筑科技大学环境与市政工程学院, 西安 710055

  • 基金项目:

    国家水体污染控制与治理科技重大专项项目(2013ZX07310-001)

  • 中图分类号: X703.5

Distribution of water quality in time and space and fluorescence characteristics in an artificial lake of Xi'an

  • 1.

    Institute of Environmental and Municipal Engineering, Xi'an University of Architecture and Technology, Xi'an 710055, China

  • Fund Project:

  • 摘要: 2013年10月到2014年9月,通过对西安某人工湖水温、DO、SD、pH、TN、TP、COD、叶绿素a等10项水质指标进行监测,评价了水体的营养状态,分析了水质的时空分布特征及其可能污染来源,并对其进行三维荧光光谱分析。结果表明,实验期间,该人工湖在5—7月处于中度富营养化状态,其他月份均处于轻度富营养化状态。在时间上,NO3--N、NH4+-N和TN在14年2月到5月明显高于其他月份,其中NO3--N是构成TN的主要存在形态,TP含量变化无明显规律,COD在14年3月到5月含量较高,5—7月是人工湖的藻类暴发期,叶绿素a较其他月份高,在空间上,NO3--N、NH4+-N和TN各采样点间没有显著差异,TP、COD和叶绿素a 波动较大,这可能与采样点附近的局部污染有关。9月份湖内的溶解性有机物主要是腐殖酸类,主要来源是微生物的生命活动和死亡分解,含量沿湖体采样点下降。
    Abstract: During October 2013 to September 2014, ten water quality indicators such as DO, SD, pH, TN, TP, COD, chlorophyll-a were monitored to evaluate the nutritional status of the water body and analyse the dominant factors affecting water quality.Three-dimensional fluorescence spectrometry was studied to show the kind of dissolved organics and change trends. The results showed that during the study period, the artificial lake was moderate eutrophic during May to July, other months were in a mild state of eutrophication. In time, the concentrations of NO3--N, NH4+-N and TN were significantly higher than other months during February to May and NO3--N was the primary existing form of TN, the concentration of TP changed little, the concentration of COD was higher in March to May, the algae outbroke in May to July, when chlorophyll-a was higher than other months. In space, there were no significantly differeces of NO3--N, NH4+-N and TN among these sampling points, the concentrations of TP,COD and chlorophyll-a changed a lot, which may be related to the pollution near sampling points. The DOM in the artificial lake in September were fulvic acid-like reducing along sampling points which came from the activities of microorganism and decomposition.
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出版历程
  • 收稿日期:  2015-06-11
  • 刊出日期:  2015-09-15
于佳真, 王晓昌, 薛涛, 陈荣. 西安某人工湖水质时空分布特征及其荧光特性[J]. 环境工程学报, 2015, 9(9): 4265-4272. doi: 10.12030/j.cjee.20150928
引用本文: 于佳真, 王晓昌, 薛涛, 陈荣. 西安某人工湖水质时空分布特征及其荧光特性[J]. 环境工程学报, 2015, 9(9): 4265-4272. doi: 10.12030/j.cjee.20150928
shu
Yu Jiazhen, Wang Xiaochang, Xue Tao, Chen Rong. Distribution of water quality in time and space and fluorescence characteristics in an artificial lake of Xi'an[J]. Chinese Journal of Environmental Engineering, 2015, 9(9): 4265-4272. doi: 10.12030/j.cjee.20150928
Citation: Yu Jiazhen, Wang Xiaochang, Xue Tao, Chen Rong. Distribution of water quality in time and space and fluorescence characteristics in an artificial lake of Xi'an[J]. Chinese Journal of Environmental Engineering, 2015, 9(9): 4265-4272. doi: 10.12030/j.cjee.20150928
shu

西安某人工湖水质时空分布特征及其荧光特性

  • 1. 西安建筑科技大学环境与市政工程学院, 西安 710055
  • 收稿日期:  2015-06-11
基金项目:

国家水体污染控制与治理科技重大专项项目(2013ZX07310-001)

摘要: 2013年10月到2014年9月,通过对西安某人工湖水温、DO、SD、pH、TN、TP、COD、叶绿素a等10项水质指标进行监测,评价了水体的营养状态,分析了水质的时空分布特征及其可能污染来源,并对其进行三维荧光光谱分析。结果表明,实验期间,该人工湖在5—7月处于中度富营养化状态,其他月份均处于轻度富营养化状态。在时间上,NO3--N、NH4+-N和TN在14年2月到5月明显高于其他月份,其中NO3--N是构成TN的主要存在形态,TP含量变化无明显规律,COD在14年3月到5月含量较高,5—7月是人工湖的藻类暴发期,叶绿素a较其他月份高,在空间上,NO3--N、NH4+-N和TN各采样点间没有显著差异,TP、COD和叶绿素a 波动较大,这可能与采样点附近的局部污染有关。9月份湖内的溶解性有机物主要是腐殖酸类,主要来源是微生物的生命活动和死亡分解,含量沿湖体采样点下降。

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