基于同位素研究方法揭示流域C-N水文耦合过程是目前流域生物地球化学循环研究的热点。本研究通过研究亚热带流域生态系统N/O/H的季节性基流变化以及降雨径流变化，揭示酸沉降对流域水体的临界负荷，探讨N素来源与水文分异过程特征，对于揭示亚热带地区C-N循环的水文路径及其驱动机制具有重要意义。相关研究成果近期发表在国际SCI杂志Ecohydrology、Journal of Hydrology和Environmental Pollution上。 　　  

　　1. Hao Z, Gao Y*, Sun XM, Wen XF. Differential isotopic characteristics of eco-hydrologic processes in a subtropical watershed, China. Ecohydrology, 2018, e1944. 　　  　　  

　　2. Hao Z, Zhang XY*, Gao Y*, Xu ZW, Yang FT, Wen XF, Wang YM. Nitrogen source track and associated isotopic dynamic characteristic in a complex ecosystem: a case study of a subtropical watershed, China. Environmental Pollution, 2018, 236, 177-187. 　  　　  

　　3. Jia JJ, Gao Y*. Acid deposition and assessment of its critical load for the environmental health of waterbodies in a subtropical watershed, China. Journal of Hydrology, 2017, 555, 155-168.