| 北固湿地底泥氮磷释放特征初步研究 |
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| 引用本文： | 吴春笃,王悦,韩建刚,赵如金,汪松美.北固湿地底泥氮磷释放特征初步研究[J].环境科学与技术,2008,31(4):10-12. |
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| 作者姓名： | 吴春笃 王悦 韩建刚 赵如金 汪松美 |
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| 作者单位： | 江苏大学环境学院,江苏 镇江,212013 |
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| 基金项目： | 国家高技术研究发展计划(863计划) |
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| 摘 要： | 通过连续测定上覆水体中氮、磷的浓度,考察氮磷元素的释放过程和污染物在底泥中的污染水平。结果表明,扰动使得氮磷的释放有一定程度的增加,可见外在环境条件的变化可加速底泥氮磷元素的释放;湿地不同样点控制区底泥氮磷释放的空间变异性高;底泥氮磷释放对水体养分浓度的贡献不容忽视。
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| 关 键 词： | 底泥 氮磷释放 湿地 二次污染 |
| 文章编号： | 1003-6504(2008)04-0010-03 |
| 修稿时间： | 2007年6月21日 |
Preliminary Study on Nitrogen and Phosphorus Release Characteristics from Sediment in Beigu Wetland |
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| wu Chun-du,WANG Yue,HAN Jian-gang,ZHAO Ru-jin,WANG Song-mei.Preliminary Study on Nitrogen and Phosphorus Release Characteristics from Sediment in Beigu Wetland[J].Environmental Science and Technology,2008,31(4):10-12. |
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| Authors: | wu Chun-du WANG Yue HAN Jian-gang ZHAO Ru-jin WANG Song-mei |
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| Abstract: | The release process of phosphorous and nitrogen from sediment and contaminative degree of the sediment are investigated through continuous test to the concentrations of nitrogen and phosphorus of overlying water body.Results indicated that the disturbance makes a certain degree of increase in the release of nitrogen and phosphorus,therefore changes in external environment conditions can accelerate the release of nitrogen and phosphorus in sediment.There was a high degree of spatial variability of the release of nitrogen and phosphorus in sediment of the wetland in different sampling points,and contribution of the release of nitrogen and phosphorus from sediment to water body should not be overlooked. |
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| Keywords: | sediment nitrogen and phosphorus release wetland secondary pollution |
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