• 关键词：非点源污染  近三十年  时空分布  发展过程  未来方向

• 基金项目：国家自然科学基金（No.41801334，U1812401）；国家重点研发计划（No.2018YFC0407900）；中央高校基本科研业务费专项资金（No.2017NT11）

• 娄和震
• 1. 北京师范大学水科学研究院, 北京 100875;2. 城市水循环与海绵城市技术北京市重点实验室, 北京 100875

• 吴习锦
• 1. 北京师范大学水科学研究院, 北京 100875;2. 城市水循环与海绵城市技术北京市重点实验室, 北京 100875

• 郝芳华
• 1. 北京师范大学水科学研究院, 北京 100875;2. 城市水循环与海绵城市技术北京市重点实验室, 北京 100875

• 杨胜天
• 1. 北京师范大学水科学研究院, 北京 100875;2. 城市水循环与海绵城市技术北京市重点实验室, 北京 100875

• 张璇
• 1. 北京师范大学水科学研究院, 北京 100875;2. 城市水循环与海绵城市技术北京市重点实验室, 北京 100875

• 摘要：非点源污染是我国面临的重要环境问题之一，其影响范围广，污染不易控制，因此受到研究者和管理者越来越多的关注.中国非点源污染研究呈起步晚、速度快、范围广的发展特点，近十年来相关论文发表已达到一定数量，但是现有研究多是针对非点源污染体系中某些方面进行探究，缺少从全国尺度和长时间序列角度对我国非点源污染研究现状的梳理和总结.本文从全球主要文献库中检索了1988—2018年我国非点源污染的相关文章，挑选出1354篇文章进行统计分析，对于年发文数量、研究区所属省份、研究区所属流域、研究对象和研究方法分别进行统计展示.对我国近三十年非点源污染研究现状与存在问题进行总结，其中农业非点源污染需要继续深入探究其机理，城市非点源污染研究深度不足，研究地区有较大差异，研究方法存在复杂性与实用性的矛盾.未来中国非点源污染研究仍会以农业和农村非点源为主要研究对象；城市非点源将得到进一步发展；非点源污染物的防治与利用将成为重要的研究目标和研究方向；在国家实施的长江大保护战略及黄河生态保护高质量发展战略中，非点源污染也是关键研究问题；全球变化对非点源污染的影响也将是未来研究不可忽视的问题.本文对近三十年中国非点源污染研究规律进行了总结，探究发展变化原因，并提出未来发展方向，为污染源控制以及污染管理提供科学建议和决策支持.

• Abstract：Non-point source (NPS) pollution is one of the essential environmental issues in China. It has a wide range of impacts and hard to control. Therefore, researchers and managers pay more and more attentions to it. In China, studies on NPS pollution starts late, grows fast, and covers a wide range. The number of papers about NPS published in recent ten years is considerable. However, existing studies still focus on some aspects of the NPS pollution system. There is always a lack of summary of NPS pollution studies in China on a national and long-time scale. In this study, we retrieved relevant articles on NPS pollution in China during the past 30 years (1988—2018) from the main global literature databases and selected 1354 articles for statistical analysis. The annual number of papers, provinces of the study area, watersheds of the study area, research objects, and research methods were analyzed statistically and displayed respectively. We also summarized the research status and current problems of NPS pollution in the recent three decades of China. Results reveal that the mechanism of agricultural NPS pollution needs to be further explored, the research of urban NPS pollution research is insufficient, the research areas are quite different, and there is a contradiction between complexity and practicality in research methods. In the future, agricultural and rural area NPS will still be the primary research object in China, while urban NPS will be further developed. Additionally, the prevention and utilization of NPS pollution will become an important research goal and direction. In the national strategy of the Yangtze River Protection and the high-quality development strategy of the Yellow River Ecological Protection, NPS pollution is also an important issue in these strategies. Besides, the impact of global change on NPS pollution cannot be ignored in the future. This paper summarizes the current research status of NPS pollution in China over the recent 30 years and explores the reasons for its development and changes. It also puts forward the development directions of NPS pollution research in the future, providing scientific suggestions and decision supports for pollution source control and management.

• Key words：non-point source pollution  past thirty years  temporal and spatial distribution  development process  future directions

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