Socio-hydrology is an interdisciplinary field studying the dynamic interactions and feedbacks between water and people. Areas of research in socio-hydrology include the historical study of the interplay between hydrological and social processes, comparative analysis of the co-evolution and self-organization of human and water systems in different cultures, and process-based modelling of coupled human-water systems. 
In traditional hydrology, human activities are typically described as boundary conditions, or external forcings, to the water systems (scenario-based approach). This traditional approach tends to make long term predictions unrealistic as interactions and bi-directional feedbacks between human and water systems cannot be captured.  To overcome this lack of knowledge, socio-hydrology aims at understanding the co-evolutionary dynamics of human-water systems. Socio-hydrology is related to integrated water resources management (IWRM). In particular, while IWRM aims at controlling the water system to get desired outcomes for the environment and society, socio-hydrology aims at observing, understanding, and predicting the dynamics of coupled human-water systems.  Socio-hydrology can therefore be seen as the fundamental science underpinning the practice of IWRM.
Socio-hydrology aims at unraveling dynamic cross-scale interactions and feedbacks between natural and human processes that give rise to many water sustainability challenges in the emergent Anthropocene.  
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