Ms. Li Lingxi is a doctoral candidate at Chang’an University, a key university under the administration of the Ministry of Education in China. She majored in groundwater science and engineering during her undergraduate study and received a Bachelor of Engineering degree in 2019. In the same year, she became a doctoral candidate in hydraulic engineering. Her research interests include groundwater and surface water environmental quality and hydrogeochemistry. She has published three papers in international journals and has been awarded two provincial awards for her work in ecological and environmental protection projects. She is now mainly engaged in the research of groundwater environmental chemistry, especially the groundwater nitrate pollution.