SUN Guang yin,LIU Yong,QIE Yu kang,et al.Distribution of Nitrogen, Phosphorus and Organic Matter in Sediments of an Original Wetland Park[J].China Water & Wastewater,2018,34(21):92-95.
原著湿地公园底泥中氮、磷和有机质的分布规律
- Title:
- Distribution of Nitrogen, Phosphorus and Organic Matter in Sediments of an Original Wetland Park
- 文章编号:
- 1000-4602(2018)21-0092-04
- Keywords:
- original wetland park; sediment; total nitrogen; total phosphorous; organic matter; eutrophication
- 分类号:
- TU992
- 文献标志码:
- C
- 摘要:
- 对现代·滏阳原著湿地公园底泥中TN、TP和有机质(OM)含量的竖向分布规律进行了分析,并通过有机指数法评价其富营养化情况。结果表明,目标河段底泥中TN、TP和OM含量随深度的增加呈上升趋势,三者在竖直方向上的相关关系显著。根据TN和OM含量变化趋势推测下层底泥存在较高的有机污染风险。由于底泥污染物分布的特殊性,覆盖措施可作为短期河流治理手段;底泥是主要的内源污染,疏浚才是长效的修复方案,但疏浚深度需进一步研究。
- Abstract:
- The vertical distribution of TN, TP and organic matter (OM) contents in the sediment of ModernFuyang Original Wetland Park was analyzed, and the eutrophication of the sediment in the target river was evaluated by the organic index method. The results showed that the overall profiles of the contents of TN, TP and OM in the sediment of the target river were rising with the depths, and the correlation of the three was significant in the vertical direction. According to the variation trends of TN and OM, it was speculated that the lower sediment had a higher risk of organic pollution. Due to the particularity of the distribution of sediment pollutants, covering measures could be used as a means of shortterm control. As sediment was the main source of internal pollution, dredging was considered to be the longterm remediation scheme. However, the depth of dredging needed to be further studied.
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备注/Memo
作者简介:孙广垠(1974- ),男,内蒙古赤峰人,硕士,副教授,研究方向为水体修复。
E-mail:hdsgy@163.com
收稿日期:2018-03-26