Important progress on the use of isotope techniques and methods in catchment hydrology |
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| Authors: | JinKui Wu YongJian Ding BaiSheng Ye QiYue Yang and Zhi Wei |
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| Institution: | 1.Key Laboratory of Ecological Hydrology and Basin Sciences in Cold and Arid Regions Environmental and Engineering Re-search Institute, Chinese Academy of Sciences, Lanzhou, Gansu 730000, China. 2.Institute for Landscape Ecology and Resources Management, Justus-Liebig-University Giessen, Giessen 35392, Germany;Key Laboratory of Ecological Hydrology and Basin Sciences in Cold and Arid Regions Environmental and Engineering Research Institute, Chinese Academy of Sciences, Lanzhou, Gansu 730000, China;Key Laboratory of Ecological Hydrology and Basin Sciences in Cold and Arid Regions Environmental and Engineering Research Institute, Chinese Academy of Sciences, Lanzhou, Gansu 730000, China;College of Earth and Environmental Science, Lanzhou University, Lanzhou, Gansu 730000, China;Key Laboratory of Ecological Hydrology and Basin Sciences in Cold and Arid Regions Environmental and Engineering Research Institute, Chinese Academy of Sciences, Lanzhou, Gansu 730000, China |
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| Abstract: | The use of isotope techniques and methods in catchment hydrology in the last 50 years has generated two major types of progress: (1) Assessment of the temporal variations of the major stocks and flows of water in catchments, from which the estimation of water residence times is introduced in this paper. (2) Assessment of catchment hydrologic processes, in which the interactions between different waters, hydrographical separation, and bio-geochemical process are described by using isotopes tracers. Future progress on isotope techniques and methods in hydrology is toward the understanding of the hydrological process in large river basins. Much potential also waits realization in terms of how isotope information may be used to calibrate and test distributed rainfall-runoff models and regarding aid in the quantification of sustainable water resources management |
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| Keywords: | isotope hydrological process catchment progress |
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