气候变化及人类活动共同作用下，我国北方地区很多河流出现断流、干涸现象。与此同时，城市产生大量生活污水，通过MBR等技术提高出水水质，成为再生水。以再生水作为干涸河流的补水水源，恢复河流湿地具有重要意义。博士期间在导师及团队成员的指导下，开展了再生水水质及补水河流后水质演化及对地下水水量水质影响方面的工作。博士毕业后在此方向上，依托国家自然科学基金和单位院基金的资助下，继续开展工作。截止2018年4月，在研究工作基础上发表的论文如下：

1.            于一雷, 宋献方, 张应华, 韩冬梅, & 张兵. (2010). 基于同位素和水化学的河道再生水对地下水影响深度研究——以潮白河密云受水区为例. 中国水论坛.

2.            Yu, Y., Song, X., Zhang, Y., Zheng, F., Liang J,& Han,D, et al. (2013). Identification of key factors governing chemistry in groundwater near the watercourse recharged by reclaimed water at miyun county,Northern China. Journal of Environmental Sciences, 25(9), 1754.

3.            Yu, Y., Song, X., Zhang, Y., Zheng, F., et al. (2014). Water quality of reclaimed water from treated urban wastewater in chaobai river basin,North China. Chinese Journal of Population,Resources and Environment, 12(2), 103-109.

4.            Yu, Y.,Song, X., Zhang, Y., Zheng, F., Liang, J., & Liu, L. (2014). Identifying spatio-temporal variation and controlling factors of chemistry in groundwater and river water recharged by reclaimed water at huai river, North China. Stochastic Environmental Research & Risk Assessment, 28(5), 1135-1145.

5.            Yu, Y., Song, X., Zhang, Y., Zheng, F., & Liu, L. (2017). Impact of reclaimed water in the watercourse of huai river on groundwater from chaobai river basin, Northern China. Frontiers of Earth Science, 11, 1-17.

6.            Yu, Y.,Ma, M., Zheng, F., Liu, L., Zhao, N., & Li, X., et al. (2017). Spatio-temporal variation and controlling factors of water quality in yongding river replenished by reclaimed water in beijing, North China. Water, 9(7), 453.