全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...

初期雨水对景观水体氮、磷释放及转化的影响

Keywords: 雨水,景观水体,硝化,释放,转化

Full-Text   Cite this paper   Add to My Lib

Abstract:

采用微宇宙培养法,以初期雨水为例,从底泥营养物质释放对污染物转化的角度考察在无外源污染输入情况下,雨水对小面积景观水体污染进程的影响.结果表明:雨水的融入使系统在短时间内NH4+增加,且进一步影响NH4+的硝化;有机物的增加消耗了系统中的溶解氧从而削弱硝化反应条件,造成中间产物NO2-的累积,延缓了向NO3-的进一步转化;磷在水体中自净能力较低,雨水本身带有的磷酸根与Ca2+,Mg2+等阳离子的结合使其在系统中的存在更加稳定,难以转化;雨水增加了系统阴阳离子含量,水-底泥界面离子释放周期延长,pH波动较大,系统稳定时间延长.

References

[1]  Taylor M, Henkels J. Storm water best management practices: preparing for the next decade[J].Storm Water, 2001,2(7):1-11.
[2]  Dikshit A K, Loucks D P. Estimation nonpoint pollution loadings in: geographical information model[J]. Environ System, 1996,24(4):395-408.[ZK)]
[3]  [ZK(]王勇.底泥中营养物质及其他污染物释放机理综述[J].工业安全与环保,2006,32(9):27-29. Wang Yong. A summary of release mechanism of nutrient substances and other pollutants in sludge[J]. Industrial Safety and Environmental Protection, 2006,32(9):27-29. (in Chinese)[ZK)]
[4]  [ZK(]高丽,杨浩,周健民.湖泊沉积物中磷释放的研究进展[J].土壤,2004,36(1):12-15. Gao Li, Yang Hao, Zhou Jianmin. Research progress on phosphorus release from lake sediments[J]. Soil, 2004,36(1):12-15. (in Chinese)[ZK)]
[5]  董浩平,姚琪.水体沉积物磷释放及控制[J].水资源保护,2004(6):20-23. Dong Haoping, Yao Qi. Influencing factors and control techniques of phosphorus release from sediment[J]. Water Resources Protection, 2004(6):20-23. (in Chinese)
[6]  尹大强,覃秋荣,阎航.环境因子对五里湖沉积物磷释放的影响[J].湖泊科学,1994,6(3):240-244. Yin Daqiang, Qin Qiurong, Yan Hang. Effects of environmental factors on release of phosphorus from sediments in Wuli lake[J]. Journal of Lake Sciences, 1994,6(3):240-244.(in Chinese)
[7]  朱广伟,陈英旭,周根娣.运河(杭州段)沉积物磷释放的模拟试验[J].湖泊科学,2002,14(4):343-349. Zhu Guangwei, Chen Yingxu, Zhou Gendi. Study on the P release from sediments of the Hangzhou section of the phosphorus[J]. Journal of Lake Sciences, 2002,14(4):343-349. (in Chinese)
[8]  Kelderman P. Phosphate budget and sediment water exchange in lake Grevelingen[J]. Netherlands Journal of Sea Research, 1980,14(3/4):229-230.
[9]  Eckert W, Nishri A, Parparova R. Factors regulating the flux of phosphate at the sediment water interface of asubtropical calcareous lake: a simulation study with intact sediment cores[J]. Water Air & Soil Pollution, 1997,99:401-409.
[10]  Rydin E. Potentially mobile phosphorus in lake Erken sediment[J]. Water Research, 2000,34(7):2037-2042.
[11]  Noges P, Kisand A. Forms and mobility of sediment phosphorus in shallow eutrophic lake vortsjaerv (Estonia)[J]. Int Rev Hydrobiol, 1999,84(3):255-270.
[12]  Gomez E, Durillon C. Phosphate absorption and release from sediments of brackish lagoons∶pH,O2 and loading influence[J]. Water Research, 1999,33(10):2437-2447.
[13]  [ZK(]Sundby B, Gobeil C. The phosphorus cycle in coastal marine sediments[J]. Limnology and Oceanography, 1992,37(6):1129-1145.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133