This comprehensive handbook covers multiple aspects of hydrology with a new approach. Other books on the subject deal mostly with classical aspects of hydrology, particularly surface and ground water, and physical and chemical pollution. It covers management topics including water scarcity, water security, water policy, and governance, etc. It also highlights the environmental aspects of hydrology such as environmental river flow, environmental impacts of nanotechnology, hydrofracturing and ecological risk of reservoirs. This third volume focuses on environmental hydrology and water management.