机器学习赋能物源分析:新时代的地质透视镜
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齐鲁师范学院 地理与旅游学院

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国家自然基金青年项目“单颗粒锆石U-Pb年代示踪沉积物来源的有效性和局限性研究:以湄公河扎曲和昂曲流域为例(编号:42301006)和山东省高等学校青创科技支持计划项目(编号:2024KJG052)”联合资助


Machine learning empowers provenance analysis: A geological lens in the new era.
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School of Geography and Tourism, Qilu Normal University

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    内容提要:物源分析是地质学研究中的重要方法之一,通过分析沉积物、土壤或岩石的地球化学与矿物学特征,揭示物质来源及其迁移过程,对理解地质历史、古气候变化、现代地表过程、重建地壳厚度和环境变迁等具有重要科学意义。然而,传统物源分析方法,如重矿物组合分析、锆石U-Pb、同位素示踪等,虽然在重建古地理格局、揭示构造运动等方面取得了一定成效,但往往面临技术复杂、成本高、耗时长、对数据分析能力要求高等挑战。近年来,随着大数据和机器学习技术的快速发展,机器学习方法凭借其强大的数据处理能力和对非线性关系的分析能力,在物源分析中展现出独特优势。因此,本文首先综述并结合实际研究结果系统分析了机器学习在物源方面的应用进展;其次分析了机器学习方法相较于传统方法的优势与局限,并对未来机器学习在物源分析领域的应用进行展望。研究表明,机器学习方法不仅能提高物源分析的精度和效率,还为地球科学研究提供了新的数据驱动解决方案。

    Abstract:

    Provenance analysis is a pivotal technique in geological studies, which elucidates the origins and transportation pathways of materials by examining the geochemical and mineralogical attributes of sediments, soils, and rocks. This approach holds significant scientific value for deciphering geological history, paleoclimate variations, contemporary surface processes, crustal thickness reconstruction, and environmental evolution. Despite the accomplishments of conventional source analysis methods, such as heavy mineral assemblage analysis, zircon U-Pb dating, and isotope tracing, in delineating paleogeographic configurations and tectonic activities, they often grapple with difficulties like technical intricacy, high costs, lengthy procedures, and the need for sophisticated data analysis skills. In light of the rapid advancement in big data and machine learning technologies, machine learning has emerged as a promising tool in source analysis, offering robust data processing and the ability to unravel complex nonlinear relationships. This study first synthesizes and systematically evaluates recent advancements in machine learning applications for provenance analysis, supported by empirical case studies. Subsequently, we conduct a comparative assessment of ML methodologies against conventional approaches, elucidating their respective strengths and limitations, while outlining future research trajectories for ML-driven provenance investigations. It also assesses the comparative strengths and limitations of machine learning approaches versus traditional methods and offers a perspective on the future role of machine learning in the domain of source analysis. The research demonstrates that machine learning can enhance the precision and efficiency of source analysis, while also providing innovative data-driven strategies for earth science inquiries.

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  • 收稿日期:2025-03-30
  • 最后修改日期:2025-05-31
  • 录用日期:2025-09-21
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