科研成果详情

题名Effect of water-flow on nutrient mitigation from surface water in drainage ditches
作者
发表日期2012-01
发表期刊JOURNAL OF FOOD AGRICULTURE & ENVIRONMENT   影响因子和分区
语种英语
原始文献类型Article
关键词Drainage ditches water-flow ammonium nitrate phosphate
其他关键词PHOSPHORUS ; SEDIMENT
摘要Water quality is easily impacted by agricultural planting and drainage systems flowing into rivers. In this investigation, the effects of agricultural drainage ditches located in Sanyang wetland, Wenzhou, China, were studied for their ability to mitigate soluble inorganic nitrogen and phosphate under different sampling times and water-flow conditions. A significantly decreasing trend of NH4-N concentration in drainage ditches was observed with increasing distance under three water-flow velocities (0.03, 0.06 and 0.1 m(3)/h). The concentrations of NH4-N varied at different times during each day under 0.3 m(3)/h water-flow, with higher concentrations from 11:00 to 23:00 than at other times. There were significant correlations between on-site NH4+ and filtered NO2-N (r = 0.54236, alpha<0.001), and between on-site NH3 and filtered NO2-N (r = 0.52867, alpha<0.001). The different dynamic trend between filtered NO2-N and NO,-N may have involved the conversion of nitrate to ammonium and denitrification. No significant difference of PO43- concentration was observed over distances from 20 to 70 m on the 1st, 3rd, 5th or 7th day of retention under 0.03 m(3)/h water-flow conditions. These results can provide a better understanding of nutrient mitigation under different conditions of hydraulic retention time.
资助项目Wenzhou Science and Technology, Bureau [20082780125, S20100034]; Zhejiang Environmental Protection Department [2011B25]; Wenzhou City [H20080062]; Education Department of Zhejiang Province [Y200803658]
出版者WFL PUBL
出版地HELSINKI
ISSN1459-0255
EISSN1459-0263
卷号10期号:1页码:650-655
页数6
WOS类目Food Science & Technology
WOS研究方向Food Science & Technology
WOS记录号WOS:000300924300016
收录类别SCIE ; SCOPUS
URL查看原文
SCOPUSEID2-s2.0-84863171923
通讯作者地址[Wang, Xuedong]School of Environmental Science and Public Health,Wenzhou Medical College,China
Scopus学科分类Food Science;Agricultural and Biological Sciences (miscellaneous);Environmental Science (all)
引用统计
被引频次:2[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符https://kms.wmu.edu.cn/handle/3ETUA0LF/5716
专题温州医科大学
通讯作者Wang, Xuedong
作者单位
1.School of Environmental Science and Public Health,Wenzhou Medical College,China;
2.Department of Land,Air and Water Resources,University of California,United States
推荐引用方式
GB/T 7714
Huang, Shuhui,Liu, Huanqiang,Yan, Zijun,et al. Effect of water-flow on nutrient mitigation from surface water in drainage ditches[J]. JOURNAL OF FOOD AGRICULTURE & ENVIRONMENT,2012,10(1):650-655.
APA Huang, Shuhui., Liu, Huanqiang., Yan, Zijun., Sun, Hailuo., Zhang, Minghua., ... & Wang, Xuedong. (2012). Effect of water-flow on nutrient mitigation from surface water in drainage ditches. JOURNAL OF FOOD AGRICULTURE & ENVIRONMENT, 10(1), 650-655.
MLA Huang, Shuhui,et al."Effect of water-flow on nutrient mitigation from surface water in drainage ditches".JOURNAL OF FOOD AGRICULTURE & ENVIRONMENT 10.1(2012):650-655.

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