主题词：Groundwater flow and contamination studies; Hydrology and Watershed Management Studies; Soil and Unsaturated Flow; Hydrology and Sediment Transport Processes; Water resources management and optimization; Flood Risk Assessment and Management; Hydrology and Drought Analysis; Groundwater and Isotope Geochemistry; Hydraulic Fracturing and Reservoir Analysis; Soil erosion and sediment transport; Plant Water Relations and Carbon Dynamics; Climate variability and models; Soil and Water Nutrient Dynamics; Cryospheric studies and observations; Geophysical and Geoelectrical Methods; Soil Moisture and Remote Sensing; Reservoir Engineering and Simulation Methods; Landslides and related hazards; Hydrological Forecasting Using AI; Enhanced Oil Recovery Techniques; Water Systems and Optimization; Meteorological Phenomena and Simulations; Climate change and permafrost; Water-Energy-Food Nexus Studies; CO2 Sequestration and Geologic Interactions