Dear Colleagues,

Human activities and climate change are the two main drivers affecting water cycle change. Since the Quaternary, human interference in the global hydrological system has been increasingly intensified, much of which is thorough, profound and irreversible. The scale, duration, scope and input of current hydrological interference practice are unmatched at any time in the past.

However, compared with the hydrological effects of climate change, quantitative studies on the process and mechanism of human activities' impact on hydrological systems and their mutual feedback mechanism are relatively less popular, weak and scattered. The main reasons for this are likely to be the difficulty of quantifying human activities and the complexity of hydrological systems. Meanwhile, as human beings have subjective initiative, human activities have purpose, controllability and adaptability. However, the theory of human hydrological disturbance is far behind practice, and there is no systematic theory specifically used to guide human hydrological disturbance behavior. Therefore, there is an urgent need for cross-studies to systematically study the law of human activities' interference with hydrological systems and specifically to guide human hydrological interference behavior.

The purpose of this Special Issue is to quantitatively study the impact of human activities on hydrological processes and their mutual feedback relationship on the basis of quantifying human activities, to emphasize the importance of human activities on hydrological systems from the perspective of integrating natural and human social sciences, to strengthen the research on the quantitative impact of human activities on hydrological system interference, to promote the research process in this field and to improve its research paradigm. Meanwhile, it also provides strong support for humans to carry out and manage hydrological interference scientifically and rationally.

The Special Issue includes, but is not limited to, the following research topics:

1) Quantitative methods and spatial and temporal patterns of human activities;

2) Effects of water conservancy projects and ecological conservation programs on water balance elements and hydrological processes;

3) Responses and internal mechanisms of hydrological systems to various agricultural management activities;

4) Influence process and mechanism of land use change on hydrological processes, especially floods and droughts;

5) The influence and process of human psychological activities on hydrological disturbance behavior;

6) Socioeconomic, war and regional policies interfere with hydrological system pathways and conduction processes.

Dr. Kaisheng Luo
Dr. Zhiyong Liu
Guest Editors

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• interference hydrology
• human activities
• hydrological system
• water cycle
• land use/cover change
• drought and flood
• ecological conservation program
• interference law
• interference mechanism