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蠡湖水体透明度的时空变化及其影响因素

王书航 姜 霞 王雯雯 赵 丽 李佳璐

王书航, 姜 霞, 王雯雯, 赵 丽, 李佳璐. 蠡湖水体透明度的时空变化及其影响因素[J]. 环境科学研究, 2014, 27(7): 688-695.
引用本文: 王书航, 姜 霞, 王雯雯, 赵 丽, 李佳璐. 蠡湖水体透明度的时空变化及其影响因素[J]. 环境科学研究, 2014, 27(7): 688-695.
WANG Shu-hang, JIANG Xia, WANG Wen-wen, ZHAO Li, LI Jia-lu. Dynamic Spatial and Temporal Changes in Water Transparency and Their Influencing Factors in Lihu Lake[J]. Research of Environmental Sciences, 2014, 27(7): 688-695.
Citation: WANG Shu-hang, JIANG Xia, WANG Wen-wen, ZHAO Li, LI Jia-lu. Dynamic Spatial and Temporal Changes in Water Transparency and Their Influencing Factors in Lihu Lake[J]. Research of Environmental Sciences, 2014, 27(7): 688-695.

蠡湖水体透明度的时空变化及其影响因素

基金项目: 国家水体污染控制与治理科技重大专项(2012ZX07101-013-01)

Dynamic Spatial and Temporal Changes in Water Transparency and Their Influencing Factors in Lihu Lake

  • 摘要: 为揭示浅水湖泊水体SD(透明度)下降的主导因子,根据2012—2013年现场调查资料和历史监测资料,分析了浅水湖泊蠡湖SD的时空分布特征、变化规律及主要影响因素,并重点探讨了SD与ρ(TSS)(TSS为总悬浮物)、ρ(Chla)和ρ(DOC)的相互关系. 结果表明:SD在年内变化范围为20.0~209.0 cm,平均值为64.1 cm,总体上呈西蠡湖大于东蠡湖、湖心大于沿岸区的分布趋势;春、夏、秋、冬四季的SD分别为(51.1±15.1)、(41.3±10.6)、(28.3±7.4)和(127.1±43.2)cm,表现为冬季>春季>夏季>秋季,冬季SD平均值可达127.1 cm,而秋季仅有28.3 cm. 多元回归分析表明,ρ(TSS)是影响水体SD的最主要因子,其次为浮游藻类生物量;SD与ρ(TSS)呈幂函数关系,拟合方程为y=220.61x-0.545 0.

     

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出版历程
  • 收稿日期:  2013-10-15
  • 修回日期:  2014-03-12
  • 刊出日期:  2014-07-25

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