黄柏河流域水库底泥内源磷释放对水质影响分析

doi:10.16232/j.cnki.1001-4179.2019.03.011

人民长江

黄柏河流域水库底泥内源磷释放对水质影响分析

李琼，刘佳，李永凯

出版日期:2019-03-28 发布日期:2019-03-28

Effect of endogenous phosphorus release from reservoir bottom sediment on water quality in Huangbai River Basin

LI Qiong, LIU Jia, LI Yongkai

Online:2019-03-28 Published:2019-03-28

摘要/Abstract

摘要： 为分析宜昌市黄柏河流域饮用水水库内源磷释放对水质的影响，于2016年对流域内3座梯级水库的水体进行了逐月采样，在10月进行一次沉积物柱状样品的采集。根据样品分析数据，估算了沉积物-水界面磷释放通量，以及内源磷占磷总量的比例。结果发现：流域内玄庙观水库磷释放通量为0.492 mg/(m2·d)；天福庙水库为0.37 mg/(m2·d)，西北口水库为0.175 mg/(m2·d)；玄庙观水库年内内源磷释放最大月份占比为28.4%，天福庙水库为18.5%，西北口水库为19.5%；水库底泥内源磷释放已对水库水质产生了影响。研究结果为黄柏河流域饮用水水库的水质治理、保护提供了科学依据。

关键词: 磷释放通量, 采样分析, 内源污染, 黄柏河, 宜昌市

Abstract: To investigate the influence of reservoir endogenous phosphorous release on the water quality of the Huangbai river drinking-water source in Yichang City, the water in 3 cascade reservoirs in the basin was sampled monthly in 2016 and the reservoir bottom sediment columns were sampled in October 2016. With the sample analysis data, the phosphorus release fluxes through interface of sediment-water and its ratios in total phosphorus were calculated. The results showed that the phosphorus release fluxes from sediment of 3 reservoirs were Xuanmiaoguan Reservoir 0.217 mg m-2 d-1, Tianfumiao Reservoir 0.133 mg m-2 d-1, Xibeikou Reservoir 0.06 mg m-2 d-1. The results show that the endogenous phosphorous release from the reservoir bottom had impacted the water quality of the reservoirs. The conclusion can provide scientific basis for the drinking water management and protection of the reservoirs in the basin.

Key words: phosphate release fluxes, sampling and analyzing, endogenous pollution, Huangbai River, Yichang City

李琼，刘佳，李永凯. 黄柏河流域水库底泥内源磷释放对水质影响分析[J]. 人民长江, doi: 10.16232/j.cnki.1001-4179.2019.03.011.

LI Qiong, LIU Jia, LI Yongkai. Effect of endogenous phosphorus release from reservoir bottom sediment on water quality in Huangbai River Basin[J]. , doi: 10.16232/j.cnki.1001-4179.2019.03.011.

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黄柏河流域水库底泥内源磷释放对水质影响分析

Effect of endogenous phosphorus release from reservoir bottom sediment on water quality in Huangbai River Basin

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