摘要
土壤侵蚀作为重大环境问题,受到各国学者的高度关注。近年来,随着侵蚀示踪研究的发展,放射性核素示踪技术已成熟应用于估算土壤侵蚀量的时空变化,但少有专题综述。本文以中国学术期刊全文数据库(CNKI)为数据源,借助CiteSpace软件,分析了近30年来国内相关文献,从合作交流、研究热点等角度阐述核素示踪技术在土壤侵蚀领域的研究进展。研究发现:(1)国内研究机构以中国科学院为主体,多个高校、研究所和重点实验室构成小型局域网络,其他机构合作相对较少;(2)目前,核素示踪技术应用于流域等小尺度的文章占据国内主导地位,注重土壤侵蚀方式内在联系与演变规律的研究。基于研究结果,本文提出了进一步提高复杂尺度的覆盖度,加强方法优化与模型的开发与应用,搭建国际交流平台等具体建议。
As a major environmental problem,soil erosion has received much attention from scholars in various countries.In recent years,with the advancement of erosion tracing research,radionuclide tracing technology has been extensively applied to estimate the spatial and temporal patterns of soil erosion,but there are few thematic reviews.Accordingly,this paper analyzed the domestic literature in the past 30 years with the help of CiteSpace software,and used the core collection of China Academic Journal Full Text Database to elaborate the research progress of radionuclide tracing technology from the perspectives of institutional cooperation and research hot-spots.It is found that the Chinese Academy of Sciences is the major research institution,and several universities,research institutes and key laboratories form a small local network,while cooperation between other institutions is relatively few;At present,literature on the small-scale application of nuclide tracing technology such as watersheds is dominant,which centered on the intrinsic connection and evolution of soil erosion patterns.Accordingly,this paper puts forward suggestions such as further improving the coverage of large scale application,strengthening the optimization of methods and the development and application of models and building an international exchange platform.
作者
薛紫誉
于悦
Xue Ziyu;Yu Yue(College of Geographical Sciences,Liaoning Normal University,Dalian 116029)
出处
《中阿科技论坛（中英文）》
2023年第5期87-90,共4页
China-Arab States Science and Technology Forum
