目前的研究方向包括：

（1）碳酸盐体系同位素分馏效应及地质应用，研究方解石生长、CO2脱气、水与碳酸盐交换反应等过程的同位素效应，并讨论碳酸盐碳、氧、团簇、叁氧等同位素组成在古环境重建中的应用。

（2）研究常温和热梯度下的扩散过程及同位素分馏效应，及其在行星科学中应用。

（3）结合△17O、△36O2、△30N2等技术，研究地表碳、氮、硫循环过程。

（4）高维稳定同位素新技术的开发，如CO的三氧同位素组成，有机物和氧自由基的三氧同位素组成。

国家自然科学基金面上项目：硫酸盐全氧的三氧同位素组成测试方法的开发及应用，2023-2026，负责人，在研

国家自然科学基金原创探索计划项目：中层大气层采样及稳定同位素化学研究，2022-2024，主要参与人，在研

南京大学人才引进启动经费，2022-2024，负责人，在研

国家自然科学基金面上项目：次生碳酸钙氧同位素和clumped同位素温度计的动力学效应研究，2017-2020，负责人，已结题

中国科学院“西部之光”青年项目：实验校正碳酸盐沉淀过程的氧碳同位素动力分馏系数，2017-2019，负责人，已结题

国家自然科学基金委-贵州省喀斯特研究中心联合基金项目：喀斯特筑坝河流水安全与调控对策，2017-2021，子课题负责人，已结题

第一或通讯文章

12. Wei, Y., Yan, H., Peng, Y., Han, S., and Bao, H., 2024. Thermal-gradient-induced isotope fractionation during CO2-O2 triple oxygen isotope exchange. Geochimica et Cosmochimica Acta. 370: 29–40

11. Yan H, Peng Y, Bao H. Isotope fractionation during capillary leaking in an isotope ratio mass spectrometer[J]. Rapid Communications in Mass Spectrometry, 2022, 36(11): e9290.

10. Wei Y, Yan H, Liu Z, et al. The ballast effect controls the settling of autochthonous organic carbon in three subtropical karst reservoirs[J]. Science of The Total Environment, 2022, 818: 151736.

9. Yan H, Dreybrodt W, Bao H, et al. The influence of hydrodynamics on the carbon isotope composition of inorganically precipitated calcite[J]. Earth and Planetary Science Letters, 2021, 565: 116932.

8. Yan H, Liu Z, Sun H. Large degrees of carbon isotope disequilibrium during precipitation-associated degassing of CO2 in a mountain stream[J]. Geochimica et Cosmochimica Acta, 2020, 273: 244-256.

7. 魏榆, 杨昌平, 晏浩, 等. 喀斯特水库碳, 硅耦合循环: 以红枫湖, 普定水库和平寨水库为例[J]. 地球与环境, 2020, 48(1): 1-9.

6. Yan H, Liu Z, Sun H. Effect of in-stream physicochemical processes on the seasonal variations in δ13C and δ18O values in laminated travertine deposits in a mountain stream channel[J]. Geochimica et Cosmochimica Acta, 2017, 202: 179-189.

5. Yan H., Schmitt A.D., Liu Z., Gangloff S., Sun H., Chen J., Chabaux F. Calcium isotopic fractionation during travertine deposition under different hydrodynamic conditions: Examples from Baishuitai (Yunnan, SW China)[J]. Chemical Geology, 2016, 426: 60-70.

4. Wang H, Yan H(共同一作), Liu Z. Contrasts in variations of the carbon and oxygen isotopic composition of travertines formed in pools and a ramp stream at Huanglong Ravine, China: Implications for paleoclimatic interpretations[J]. Geochimica et Cosmochimica Acta, 2014, 125: 34-48.

3.晏浩, 刘再华, 邓贵平, 等. 四川九寨沟景区钙华起源初探[J]. 中国岩溶, 2013, 32(1): 15-22.

2. Yan H, Sun H, Liu Z. Equilibrium vs. kinetic fractionation of oxygen isotopes in two low-temperature travertine-depositing systems with differing hydrodynamic conditions at Baishuitai, Yunnan, SW China[J]. Geochimica et Cosmochimica Acta, 2012, 95: 63-78.

1.晏浩, 刘再华. 层状钙华及其地球化学指标的古气候/环境意义[J]. 第四纪研究, 2011, 31(1): 88-95.

共同作者文章

19. Bao, R., Sheng, X., Li, C., Cui, C., Yan, H., Ji, J., & Chen, J. (2023). Calibration of the carbonate clumped isotope thermometer of land snail shells. Chemical Geology, 641, 121773.

18. Sun H, Shen C C, Wu C C, et al. Subannual-to-biannual-resolved travertine record of Asian Summer Monsoon dynamics in the early Holocene at the eastern margin of Tibetan Plateau[J]. Applied Geochemistry, 2022, 141: 105305.

17. Sun H, Han C, Liu Z, et al. Nutrient limitations on primary productivity and phosphorus removal by biological carbon pumps in dammed karst rivers: Implications for eutrophication control[J]. Journal of Hydrology, 2022, 607: 127480.

16. Zhao M, Sun H, Liu Z, et al. Organic carbon source tracing and the BCP effect in the Yangtze River and the Yellow River: Insights from hydrochemistry, carbon isotope, and lipid biomarker analyses[J]. Science of The Total Environment, 2022, 812: 152429.

15. Chen B, Zhao M, Yan H, et al. Tracing source and transformation of carbon in an epikarst spring-pond system by dual carbon isotopes (13C-14C): Evidence of dissolved CO2 uptake as a carbon sink[J]. Journal of Hydrology, 2021, 593: 125766.

14. He H, Liu Z, Li D, et al. Recent environmental changes in the Yunnan–Guizhou Plateau inferred from organic geochemical records from the sediments of Fuxian Lake[J]. Elementa: Science of the Anthropocene, 2021, 9(1).

13. 马松, 魏榆, 韩翠红, 晏浩, 刘再华, 孙海龙, 鲍乾.喀斯特水库水化学特征及对无机碳沉积通量的指示[J]. J. Lake. Sci, 2021, 33(6).

12. Liu Z, Yan H, Zeng S. Increasing autochthonous production in inland waters as a contributor to the missing carbon sink[J]. Frontiers in Earth Science, 2021: 772.

11. 韩翠红, 孙海龙, 魏榆, 鲍乾, 晏浩. 喀斯特筑坝河流中生物碳泵效应的碳施肥及对水化学时空变化的影响——以贵州平寨水库及红枫湖为例[J]. 湖泊科学, 2020, 32(6): 1683-1694.

10. He H., Liu Z., Chen C., Wei Y., Bao Q., Sun H., Yan H. The sensitivity of the carbon sink by coupled carbonate weathering to climate and land-use changes: Sediment records of the biological carbon pump effect in Fuxian Lake, Yunnan, China, during the past century[J]. Science of the Total Environment, 2020, 720: 137539.

9. He H., Liu Z., Chen C., Wei Y., Bao Q., Sun H., Yan H. Influence of the biological carbon pump effect on the sources and deposition of organic matter in Fuxian Lake, a deep oligotrophic lake in southwest China[J]. Acta Geochimica, 2019, 38: 613-626.

8. Chen B, Yang R, Liu Z, Sun H, Yan H, Zeng Q, Zeng S, Zeng C. Coupled control of land uses and aquatic biological processes on the diurnal hydrochemical variations in the five ponds at the Shawan Karst Test Site, China: implications for the carbonate weathering-related carbon sink[J]. Chemical Geology, 2017, 456: 58-71.

7. 曾振宇, 晏浩, 孙海龙, 等. 云南白水台钙华池出入口水化学和d13CDIC昼夜变化的影响因素及水生光合作用影响比例的计算[J]. 中国岩溶, 2016, 35(6): 605-613.

6. Yang R., Chen B., Liu H., Liu Z., Yan H. Carbon sequestration and decreased CO2 emission caused by terrestrial aquatic photosynthesis: Insights from diel hydrochemical variations in an epikarst spring and two spring-fed ponds in different seasons[J]. Applied Geochemistry, 2015, 63: 248-260.

5. Kele S., Breitenbach S., Capezzuoli E., Meckler A., Ziegler M., Millan I., Kluge T., Deák J., Hanselmann K., John C., Yan H., Liu Z., Bernasconi S. M. Temperature dependence of oxygen-and clumped isotope fractionation in carbonates: a study of travertines and tufas in the 6–95 C temperature range[J]. Geochimica et Cosmochimica Acta, 2015, 168: 172-192.

4. Zhao M, Liu Z, Li H C, Zeng C, Yang R, Chen B, Yan H. Response of dissolved inorganic carbon (DIC) and δ13CDIC to changes in climate and land cover in SW China karst catchments[J]. Geochimica et Cosmochimica Acta, 2015, 165: 123-136.

3. Sun H, Liu Z, Yan H. Oxygen isotope fractionation in travertine-depositing pools at Baishuitai, Yunnan, SW China: effects of deposition rates[J]. Geochimica et Cosmochimica Acta, 2014, 133: 340-350.

2.陈波, 杨睿, 刘再华, 晏浩, 赵敏. 水生光合生物对茂兰拉桥泉及其下游水化学和d13CDIC 昼夜变化的影响[J]. 地球化学, 2014, 43(4): 375-385.

1.孙海龙, 刘再华, 晏浩, 等. 不同方法萃取的溶解无机碳的 δ^(13) C 值比较分析[J]. 中国岩溶, 2013, 32(1): 117-122.

2012年获国家奖学金；

2014年获中国科学院院长奖；

2016年入选中科院“西部之光”青年学者