主题词：Hydrology and Watershed Management Studies; Flood Risk Assessment and Management; Hydrology and Sediment Transport Processes; Soil erosion and sediment transport; Water resources management and optimization; Hydrology and Drought Analysis; Hydraulic flow and structures; Water Quality and Pollution Assessment; Fish Ecology and Management Studies; Groundwater and Watershed Analysis; Hydrological Forecasting Using AI; Transboundary Water Resource Management; Hydropower, Displacement, Environmental Impact; Soil and Water Nutrient Dynamics; Groundwater and Isotope Geochemistry; Water-Energy-Food Nexus Studies; Climate variability and models; Water Governance and Infrastructure; Land Use and Ecosystem Services; Dam Engineering and Safety; Coastal wetland ecosystem dynamics; Groundwater flow and contamination studies; Heavy metals in environment; Geological formations and processes; Aquatic Ecosystems and Phytoplankton Dynamics