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科技导报  2015 

深层承压含水层人工回灌条件下地下水中硝酸根的衰减

DOI: 10.3981/j.issn.1000-7857.2015.04.004, PP. 28-32

Keywords: 地下水,人工回灌,硝酸根

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Abstract:

收集了某地深层承压含水层人工回灌从2012年8月13日至2013年1月16日的水质数据,研究了回灌过程中地下水中NO3-的衰减。在深层承压含水层中,硝酸根的衰减主要受反硝化作用的影响。讨论了pH值、电子供体、温度、溶解氧等影响因素,结果表明,在本次回灌过程中,pH值、电子供体对NO3-的衰减基本没有影响,硝酸根衰减主要受到地下水水温及溶解氧的影响。回灌过程中,由于地下水水温逐渐下降,溶解氧质量浓度逐渐上升,NO3-衰减半衰期经历了一个先保持稳定而后迅速上升的过程。

References

[1]  Burt T P, Matchett L S, Goulding K W T, et al. Denitrification in riparian buffer zones: The role of floodplain hydrology[J]. Hydrological Processes, 1999, 13(10): 1451-1463.
[2]  Parton W J, Mosier A R, Ojima D S, et al., Generalized model for N2 and N2O production from nitrification and denitrification [J]. Global Biogeochemical Cycles, 1996, 10(3): 401-412.
[3]  Rivett M O, Buss S R, Morgan P, et al. Nitrate attenuation in groundwater: a review of biogeochemical controlling processes[J]. Water Research, 2008, 42(16): 4215-4232.
[4]  Brettar I, Sanchez Perez J M, Trémolieres M. Nitrate elimination by denitrification in hardwood forest soils of the Upper Rhine floodplain-correlation with redox potential and organic matter[J]. Hydrobiologia, 2002, 469(1-3): 11-21.
[5]  Gillham R W, Cherry J A. Field evidence of denitrification in shallow groundwater flow systems[J]. Water Pollution Research Journal of Canada, 1978, 13(1): 53-71.
[6]  DeSimone L A, Howes B L. Nitrogen transport and transformations in a shallow aquifer receiving wastewater discharge: A mass balance approach[J]. Water Resources Research, 1998, 34(2): 271-285.
[7]  李恒太, 石萍, 武海霞. 地下水人工回灌技术综述[J]. 中国国土资源经济, 2008, 21(3): 41-42. Li Hengtai, Shi Ping, Wu Haixia. Artificial recharge technology of groundwater[J]. Natural Resource Economics of China, 2008, 21(3): 41-42.
[8]  林学钰, 张文静, 何海洋, 等. 人工回灌对地下水水质影响的室内模拟实验[J]. 吉林大学学报: 地球科学版, 2012, 42(5): 1404-1409. Lin Xueyu, Zhang Wenjing, He Haiyang, et al. Experiment on impact of groundwater quality during artificial recharge process[J]. Journal of Jilin University: Earth Science Edition, 2012, 42(5): 1404-1409.
[9]  Katou H, Clothier B E, Green S R. Anion transport involving competitive adsorption during transient water flow in an Andisol[J]. Soil Science Society of America Journal, 1996, 60(5): 1368-1375.
[10]  Clay D E, Zheng Z, Liu Z, et al. Bromide and nitrate movement through undisturbed soil columns[J]. Journal of Environmental Quality, 2004, 33 (1): 338-342.

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