Applications of Stable Isotopes in Understanding Hydrological and Hydrochemical Processes

Dear Colleagues,

Stable isotopes of elements like hydrogen, oxygen, carbon, and nitrogen provide valuable insights into the mechanisms governing water cycle dynamics, solute transport, and biogeochemical interactions. Researchers can unravel complex processes, such as source identification, flow pathways, mixing processes, and evaporation, as powerful tracers under varying natural and anthropogenic influences. We welcome contributions demonstrating innovative uses of stable isotopes in hydrochemical and hydrological studies spanning diverse ecosystems, spatial scales, and climates. This Special Issue aims to showcase advancements in isotopic techniques and their integration with hydrochemical modeling, offering novel perspectives to address emerging challenges in water resource management and ecosystem sustainability. Topics of interest include, but are not limited to: (1) Isotopic tracing of water sources, mixing, and flow pathways; (2) biogeochemical processes in surface and groundwater systems; (3) impact of land use and climate change on isotopic signals; (4) application of dual-isotope systems in hydrochemistry; (5) advances in isotopic analysis techniques and modeling; and (6) interdisciplinary studies integrating isotopic and hydrochemical datasets.

Researchers are invited to submit original research articles, reviews, and case studies that align with the theme of this Special Issue.

Dr. Chengcheng Xia
Dr. Ke Chen
Guest Editors

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