同位素技术示踪水环境生源要素氮的来源及循环过程研究进展——投生源要素专栏
Advances in the Research of Tracing the Source and Cycling Process of Nitrogen, an Essential Biogenic Elements in Aquatic Environments, Using Isotopic Techniques
投稿时间:2024-04-12  修订日期:2024-05-09
DOI:
中文关键词:生源物质    溯源技术  迁移转化  同位素
英文关键词:Biogenic elements  Nitrogen  Source tracing techniques  Migration and transformation  Isotopes
基金项目:河南省科技发展计划项目(242102321117);南阳理工学院博士科研启动(NGBJ-2023-35);国家自然科学(42377232)。
作者单位E-mail
任朝斌 南阳理工学院 robin_ren@gs.zzu.edu.cn 
王龙 中国地质科学院水文地质环境地质研究所 114466079@qq.com 
张千千* 中国地质科学院水文地质环境地质研究所 z_qqian@163.com 
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中文摘要:
      氮是生态系统中的关键生源要素,对水环境质量和生态系统平衡至关重要。然而,水环境中的氮污染问题日益严峻,已成为全球性的环境挑战。本文综述了水环境中氮的源解析及循环过程的研究进展,首先介绍了水环境中氮的主要来源,包括自然来源和人为来源,并探讨了氮在水环境中的时空变化特点,强调了降雨等自然因素和污水和农业施肥等人为活动对氮分布的影响。随后,文章详细阐述了同位素技术在识别水环境氮来源和追踪其迁移转化过程中的应用,包括单同位素、双同位素以及多同位素联合示踪技术的研究进展。文章还讨论了同位素技术在水环境中氮循环过程分析中的应用,包括硝化作用、反硝化作用、矿化作用和同化作用。最后,文章指出了当前研究的不足,并展望了未来发展趋势,特别是在同位素技术与机器学习结合方面的潜力。
英文摘要:
      Nitrogen is a key biogenic element in ecosystems, crucial for the quality of aquatic environments and the balance of ecological systems. However, the issue of nitrogen pollution in water environments is becoming increasingly severe, posing a global environmental challenge. This article reviews the progress in the study of nitrogen source analysis and cycling processes in water environments. It begins by introducing the main sources of nitrogen in water environments, including natural and anthropogenic sources, and discusses the spatiotemporal variation characteristics of nitrogen, emphasizing the impact of natural factors such as rainfall and human activities like sewage discharge and agricultural fertilization on the distribution of nitrogen. The article then elaborates on the application of isotopic techniques in identifying the sources of nitrogen in water environments and tracking its migration and transformation processes, including the research progress of single isotope, dual isotopes, and multi-isotope joint tracing techniques. The application of isotopic techniques in the analysis of nitrogen cycling processes in water environments, including nitrification, denitrification, mineralization, and assimilation, is also discussed. Finally, the article points out the shortcomings of current research and prospects for future development, especially in the potential combination of isotopic techniques and machine learning.
任朝斌,王龙,张千千.2024.同位素技术示踪水环境生源要素氮的来源及循环过程研究进展——投生源要素专栏[J].水生态学杂志,45(4):1-8.
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