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个人简介易沅壁，南京大学地球科学与工程学院准聘副教授,在PNAS、Environmental Science & Technology、Water Research等国内外高水平期刊以第一作者或通讯作者发表SCI论文15篇（含自然指数期刊8篇），参与发表学术论文60余篇。长期从事水生生态系统碳循环研究，聚焦陆海连续体中溶解有机质（DOM）的分子表征、迁移转化过程与全球碳收支评估，融合超高分辨率质谱（FT-ICR MS）、双碳同位素示踪（¹³C、¹⁴C）与机器学习等交叉分析手段。致力于构建涵盖分子指纹识别—异构体结构解析—跨尺度数据整合的研究体系，揭示陆源有机质在陆海系统的源汇过程与演变规律。研究成果可服务于全球碳循环精准评估、陆海碳收支核算及碳中和战略等国家重大需求。曾参与香港研究资助局General Research Fund及杰出青年学者计划等科研项目。授权发明专利2项、计算机软件著作权2项，现担任《Earth Critical Zone》、《地球与环境》等学术期刊青年编委。 课题组欢迎地球化学、环境科学、海洋科学、水文水资源及相关专业背景的学生和科研人员加入。团队与国内外多所知名高校保持密切合作，可提供国内外联合培养、学术交流及科研实践机会。 教育经历2018.09 - 2022.06 天津大学，环境科学，博士 2016.09 - 2018.06 天津大学，环境科学，硕士 2012.09 - 2016.06 天津工业大学，应用化学，学士 工作经历2026.03 - 至今 南京大学，地球科学与工程学院，准聘副教授 2022.07 - 2026.02 香港科技大学，海洋科学系，博士后（合作导师：何丁教授） 学术兼职《Earth Critical Zone》期刊、《地球与环境期刊》青年编委、中国矿物岩石地球化学学会会员 研究方向1. 陆海连续体碳循环与全球碳收支 关注河流—河口—近海连续体中陆源有机质的迁移路径、转化过程及其对全球碳收支的影响。综合运用超高分辨率质谱与双碳同位素技术，从多层面解析陆源有机质在陆海输送过程中的组成演变与归趋规律。 2. 地表水—地下水交互作用与碳源汇过程 关注地表水与地下水交互驱动下碳的源汇格局与交换通量。利用同位素示踪与水文地球化学手段，揭示不同水体混合过程中有机质的传输特征及其碳循环效应。 3. 数据驱动的水生生态系统碳循环研究 关注机器学习与数据驱动方法在水生生态系统碳循环研究中的应用。融合同位素、超高分辨率质谱分子指纹数据与环境参数等多源数据，构建具有生物地球化学过程意义的机器学习模型。 开授课程 水环境保护
科研项目1.香港特别行政区研究资助局，General Research Fund（16306623），参与 2.香港特别行政区研究资助局，杰出青年学者计划（26300822），参与 3.深圳市科技创新局，深港澳科技计划（C类），参与 学术成果论文列表：#表示共同第一作者，*表示通讯作者，加粗/下划线标注为本人。
2026 Liu T.#, Yi Y#, Zhao C., Zhang Z., Merder J., Tanentzap A.J., Yan Z., Zhang F., Feng H., Yang C., He D.* Graph-based understanding of isomeric diversity in complex dissolved organic matter. Communications Chemistry, 2026, 9, 228. 2025 Yi Y, Tanentzap A.J., He C., Merder J., Osterholz H., Bao H., Hawkes J.A., Cai R., Li S.-L., Shi Q., Xu S., Zhang C., Liu C.-Q., Zhao M., He D.* Underestimated input of terrestrial dissolved organic carbon to the ocean. Proceedings of the National Academy of Sciences, 2025, 122(45), e2505838122. He D., Wang W.*, Yi Y*, Zhong J., Mostofa K.M.G., Hu X., Shi W., He D., Li S.-L. Cascading river damming amplifies photosynthetic organic matter production and DOC transport. Water Research, 2025, 284, 124036. Chen Z., Yi Y*, Cai R., Zhang Z., Liang W., Fu W., Li P., Wang K., Zhang L., Dong K., Li S.-L., Xu S., He D.* Revealing the mobilization and age of estuarine dissolved organic matter during floods using radiocarbon and molecular fingerprints. Water Research, 2025, 271, 122898. Chen Z., Yi Y*, Fu W., Liang W., Li P., Wang K., Zhang L., Dong K., Li S.-L., Xu S., He D.* Severe flood modulates the sources and age of dissolved organic carbon in the Yangtze River Estuary. Environmental Research, 2024, 252, 119040. 2024 Yi Y, Li S.-L., Zhong J., Wang K., Merder J., Bao H., Qi Y., He D., Xu S., Dittmar T., Liu C.-Q. Assessing the impacts of reservoirs on riverine dissolved organic matter: Insights from the largest reservoir in the Pearl River. Journal of Geophysical Research: Biogeosciences, 2024, 129(8), e2024JG008199. 2023 Yi Y, Liu T., Merder J., He C., Bao H., Li P., Li S.-L., Shi Q., He D. Unraveling the linkages between molecular abundance and stable carbon isotope ratio in dissolved organic matter using machine learning. Environmental Science & Technology, 2023, 57(46), 17900-17909. Yi Y, He C., Klaproth K., Merder J., Li P., Qi Y., Fu P., Li S.-L., Dittmar T., Shi Q., He D. Will various interpretation strategies of the same ultrahigh-resolution mass spectrometry data tell different biogeochemical stories? A first assessment based on natural aquatic dissolved organic matter. Limnology and Oceanography: Methods, 2023, 21(6), 320-333. Zhao C., Hou Y., Wang Y., Li P., He C., Shi Q., Yi Y*, He D.* Unraveling the photochemical reactivity of dissolved organic matter in the Yangtze River estuary: Integrating incubations with field observations. Water Research, 2023, 245, 120638. Chen Z., Yi Y*, et al., He D.* Differences in Dissolved Organic Matter Molecular Composition along Two Plume Trajectories from the Yangtze River Estuary to the East China Sea. ACS Environmental Au, 2023, 4(1), 3-15. Li S.-L.*, Zhang H., Yi Y*, Zhang Y., Qi Y., Mostofa K.M.G., et al., Liu C.-Q. Potential impacts of climate and anthropogenic-induced changes on DOM dynamics among the major Chinese rivers. Geography and Sustainability, 2023, 4, 329-339. 2022 Yi Y, Li S.-L., Zhong J., Wang W., Chen S., Bao H., He D. The influence of the deep subtropical reservoir on the karstic riverine carbon cycle and its regulatory factors: Insights from the seasonal and hydrological changes. Water Research, 2022, 226, 119267. Yi Y (易沅壁), Wang W., Wang B., Wang F., Li S.-L. 中国西南喀斯特地区水库碳循环研究进展. 地质科技通报, 2022, 41(5), 341-346. Wang W.#, Yi Y#, Zhong J., Kumar A., Li S.-L. Carbon biogeochemical processes in a subtropical karst river-reservoir system. Journal of Hydrology, 2020, 591, 125590. 2021 Yi Y, Zhong J., Bao H., Mostofa K.M.G., Xu S., Xiao H., Li S.-L. The impacts of reservoirs on the sources and transport of riverine organic carbon in the karst area: A multi-tracer study. Water Research, 2021, 194, 116933. 2019 Yi Y, Xiao M., Mostofa K.M.G., Xu S., Wang Z. Spatial variations of trace metals and their complexation behavior with DOM in the water of Dianchi Lake, China. International Journal of Environmental Research and Public Health, 2019, 16(24), 4919.
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