主题词：Hydrology and Watershed Management Studies; Flood Risk Assessment and Management; Climate variability and models; Hydrology and Drought Analysis; Plant Water Relations and Carbon Dynamics; Cryospheric studies and observations; Groundwater flow and contamination studies; Meteorological Phenomena and Simulations; Soil Moisture and Remote Sensing; Soil and Water Nutrient Dynamics; Precipitation Measurement and Analysis; Soil and Unsaturated Flow; Groundwater and Isotope Geochemistry; Soil erosion and sediment transport; Hydrological Forecasting Using AI; Hydrology and Sediment Transport Processes; Climate change and permafrost; Water resources management and optimization; Landslides and related hazards; Geophysics and Gravity Measurements; Peatlands and Wetlands Ecology; Fish Ecology and Management Studies; Water-Energy-Food Nexus Studies; Geophysical and Geoelectrical Methods; Karst Systems and Hydrogeology