刘学炎，讲席教授，博导

优青&海优（2015），天津市首批杰青（2017）、国家杰青（2021）、创新群体骨干（2022）、中科院百人A（2024）、贵州省百千万领军人才（2024），主持国家自然科学重点基金（2017、2023）、IAEA降水氮同位素研究课题（2018）、国家重点研发计划‘大气污染与防治’专项课题，参加‘全球变化与应对’和“大气与土壤、地下水污染综合治理”专项等。

地球系统氮循环的变化深刻影响地质和现代时间尺度的环境质量和生态功能，团队致力于氮同位素自然丰度（方法、分馏、模型）、硝酸根氧同位素方法原理以及地球系统氮来源和过程的同位素示踪与模拟研究，加入请邮件咨询liuxueyan at tju.edu.cn

代表论文：

Xue-Yan Liu*, Yu-Ping Dong, Hao Huang, Zhi-Li Chen, Wei Song. (2026) Human contributions to atmospheric reactive nitrogen emissions in polluted regions. Science Bulletin, 17(15): 3790-3793. https://doi.org/10.1016/j.scib.2026.03.057.

Xue-Yan Liu*, Wei Song, Hao-Ran Guo, Yin-Dong Tong, Cong-Qiang Liu. (2026) Natural isotope constraints on river nitrate sources in polluted regions. Global Biogeochemical Cycles, e2026GB009230. https://doi.org/10.1029/2026GB009230.

Xue-Yan Liu*. (2023) Ammonia mitigation campaign with smallholder farmers. Nature Food, 4: 740-741. https://doi.org/10.1038/s43016-023-00839-1.

Xue-Yan Liu*, Mei-Na Liu, Wan-Xiao Qin, Wei Song. (2023) Isotope constraints on nitrate exchanges between precipitation and forest canopy. Global Biogeochemical Cycles, 37, e2023GB007920. https://doi.org/10.1029/2023GB007920.

Xue-Yan Liu*, Yi-Meng Yin, Wei Song. (2020) Nitrogen isotope differences between major atmospheric NO_y species: Implications for transformation and deposition processes. ES&T Letters, 7(4), 227–233.https://dx.doi.org/10.1021/acs.estlett.0c00105.

Xue-Yan Liu*, Di Wu, Xin Song, Yu-Ping Dong, Chong-Juan Chen, Wei Song, Cong-Qiang Liu, Keisuke Koba. (2020) A non-steady state model based on dual nitrogen and oxygen isotopes to constrain moss nitrate uptake and reduction. Journal of Geophysical Research: Biogeosciences, 125(6): e2019JG005498. https://doi.org/10.1029/2019JG005498.

Xue-Yan Liu*, Keisuke Koba*, Lina A Koyama, Sarah E Hobbie, Marissa S Weiss, Yoshiyuki Inagaki, Gaius R Shaver, Anne E Giblin, Satoru Hobara, Knute J Nadelhoffer, Martin Sommerkorn, Edward B Rastetter, George W Kling, James A Laundre, Yuriko Yano, Akiko Makabe, Midori Yano, Cong-Qiang Liu. (2018) Nitrate is an important nitrogen source for arctic tundra plants. PNAS, 115(13): 3398–3403. https://doi.org/10.1073/pnas.1715382115.

Xue-Yan Liu, Keisuke Koba*, Akiko Makabe, Xiao-Dong Li, Muneoki Yoh, Cong-Qiang Liu. (2013) Ammonium first: natural mosses prefer atmospheric ammonium but vary utilization of dissolved organic nitrogen depending on habitat and nitrogen deposition. New Phytologist, 199(2): 407–419. https://doi.org/10.1111/nph.12284.

Xue-Yan Liu, Keisuke Koba*, Cong-Qiang Liu, Xiao-Dong Li, Muneoki Yoh. (2012). Pitfalls and new mechanisms in moss isotope bio-monitoring of atmospheric nitrogen deposition. ES&T, 46(22): 12557–12566. https://doi.org/10.1021/es300779h.

Xue-Yan Liu, Keisuke Koba*, Yu Takebayashi, Cong-Qiang Liu, Yun-Ting Fang, Muneoki Yoh. (2013). Dual N and O isotopes of nitrate in natural plants: first insights into individual variability and organ-specific pattern. Biogeochemistry, 114: 399–411. https://doi.org/10.1007/s10533-012-9721-4.

Chong-Juan Chen, Zhong-Cong Sun, Chao-Chen Hu, Xue-Yan Liu*. (2026) Anthropogenic nitrogen inputs promote plant nitrate utilization of polluted forests. Geophysical Research Letters, 53(4), e2025GL120305. https://doi.org/10.1029/2025GL120305.

Yu-Ping Dong, Xue-Yan Liu*. (2026) Fates of atmospheric reactive nitrogen emissions from polluted regions. Global Change Biology, 32(1): e70664. https://doi.org/10.1111/gcb.70664. (封面论文)

Chao-Chen Hu, Chen-Guang Tian, Chong-Juan Chen, Wei Song, Xu Yue, Xue-Yan Liu* (2025) Increased carbon cost for nitrogen assimilation in plants under a warming climate. Nature Geoscience, 18 (11), 1133–1137. https://doi.org/10.1038/s41561-025-01816-y.

Chong-Juan Chen, Xue-Yan Liu*, Chao-Chen Hu, Shi-Qi Xu, Xian-Wei Wang, Rong Mao, Keisuke Koba. (2025) Inorganic nitrogen nutrition in boreal plants is underestimated and insensitive to environmental changes. Earth's Future, https://doi.org/10.1029/2024EF005723.

Wei-Guo Fan, Ming-Zhong Zhou, Wei Song, Xue-Yan Liu*. (2025) Nitrogen and oxygen isotopes of shale nitrate recorded soil nitrate biogeochemistry under arid paleoclimates. Global Biogeochemical Cycles, 39(6), e2024GB008419. https://doi.org/10.1029/2024GB008419.

Zhong-Cong Sun, Shi-Qi Xu, Hao-Ran Guo, Chao-Chen Hu, Wei Song, Xue-Yan Liu*. (2025) Atmospheric N deposition as a key driver of soil nitrate production and accumulation in temperate forests under semi-arid climate. Geophysical Research Letters, https://doi.org/10.1029/2025GL117029.

Chao-Chen Hu, Xue-Yan Liu*, Avery W. Driscoll, Yuan-Wen Kuang, E. N. Jack Brookshire, Xiao-Tao Lü, Chong-Juan Chen, Wei Song, Rong Mao, Cong-Qiang Liu, Benjamin Z Houlton. (2024) Global distribution and drivers of relative contributions among soil nitrogen sources to terrestrial plants. Nature Communications, 15, 6407. https://doi.org/10.1038/s41467-024-50674-6.

Wei-Guo Fan, Xue-Yan Liu*, Mingzhong Zhou, Wei Song, Yongyun Hu, Yan-An Shen, Cong-Qiang Liu. (2024) Sedimentary ¹⁷O-nitrate constraints on Phanerozoic dry-humid degrees and alternations in South China. Geophysical Research Letters, https://doi.org/10.1029/2024gl111475.

Zhi-Li Chen, Wei Song, Chao-Chen Hu, Xue-Jun Liu, Guan-Yi Chen, Wendell W. Walters, Greg Michalski, Cong-Qiang Liu, David Fowler, Xue-Yan Liu*. (2022) Significant contributions of combustion-related sources to ammonia emissions. Nature Communications, 7710, https://doi.org/10.1038/s41467-022-35381-4.

Wei Song, Xue-Yan Liu*, Benjamin Z. Houlton, Cong-Qiang Liu. (2022) Isotopic constraints confirm the significant role of microbial nitrogen oxides emissions from the land and ocean environment. National Science Review, nwac106, https://doi.org/10.1093/nsr/nwac106. 

Hao Huang, Wei Song, Xue-Yan Liu*. (2021). Significant contributions of combustion NH₃ and non-fossil fuel NO_x to increases of nitrogen deposition in southwestern China over past five decades. Global Change Biology, 27 (18): 4392–4402.https://doi.org/10.1111/gcb.15736.

Shi-Qi Xu, Xue-Yan Liu*, Zhong-Cong Sun, Chao-Chen Hu, Wolfgang Wanek, Keisuke Koba. (2021) Isotopic elucidation of microbial nitrogen transformations in forest soils. Global Biogeochemical Cycles, 35(12), e2021GB007070. https://doi.org/10.1029/2021GB007070.

Wei Song, Xue-Yan Liu*, Chao-Chen Hu, Guan-Yi Chen, Xue-Jun Liu, Wendell W. Walters,Greg Michalski, Cong-Qiang Liu. (2021) Important contributions of non-fossil fuel nitrogen oxides emissions. Nature Communications, 12: 243. https://doi.org/10.1038/s41467-020-20356-0.

Chao-Chen Hu, Yan-Bao Lei, Yun-Hong Tan, Xin-Chao Sun, Hao Xu, Cong-Qiang Liu, Xue-Yan Liu*. (2019) Plant nitrogen and phosphorus utilization under invasive pressure in a montane ecosystem of tropical China. Journal of Ecology, 107: 372–386. https://doi.org/10.1111/1365-2745.13008.