Environmental Hydraulics in the Global Change Era: From Physical Processes Analysis to Nature-Based Solutions Design

Dear Colleagues,

Environmental Hydraulics (EH) is the scientific study of environmental water flows and their related transport and transformation processes affecting the environmental quality of natural water systems, such as rivers, lakes, and aquifers. In this broad sense, EH studies the motion of water at several different length and time scales, the fate and transport of species, dissolved and suspended, carried along by this fluid, and the interactions among those flows and the surrounding geological, biological, and engineered systems across the environmental interfaces, such as air–water, water–sediment, water–biota, water–vegetation, and water–porous medium interfaces.

Such natural water systems as well as their interactions across environmental interfaces are significantly affected by external forcing mechanisms, including those related to human activities (e.g., rapid urbanization, pollution, deforestation, damming) and to the global climate and sea level change. These global changes are driving the need of mitigation, adaptation, conservation, and restoration measures including traditional engineering approaches as well as the increasingly popular nature-based solutions, such as building with nature, low impact development, ecosystem-based management, etc.

The overall goal of this Special Issue of Water is to address and discuss the following related scientific questions:

• Which changes in hydrology, water quantity and quality of natural water systems are expected in the next years under those forcing mechanisms?
• Which mitigation and management measures might be adopted to efficiently address the above changes and their negative impacts?
• Which new trends and research shift in EH should be expected as consequence of the above scientific and management efforts?

For this Special Issue, papers reporting theoretical, field, laboratory, and numerical investigations on the above scientific questions as well as falling within the scope of Environmental Hydraulics are welcome. This Special Issue aims to cover, without being limited to, the following areas:

• Riverine and estuarine hydrodynamics and morphodynamics;
• Hydrological and water quality processes;
• Water resource management;
• Air–water and vegetated flows;
• Hyporheic fluxes;
• Eco-hydraulics;
• Climatic and environmental changes in natural water systems;
• Impact mitigation and management measures and methods.

Prof. Dr. Carlo Gualtieri
Dr. Dongdong Shao
Dr. May Chui
Guest Editors

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• environmental hydraulics
• hydrological and water quality processes
• air–water flows
• sediment transport and hyporheic fluxes
• vegetated flows
• water–biota processes and ecological design
• climate change in natural water systems
• water–ecology nexus
• ecosystem conservation and restoration
• nature-based solutions