HS1.1 – Innovative techniques and unintended use of measurement equipment

HS1.4 – Innovative methods for river flow monitoring in hydrometry and associated uncertainties

HS1.5 – Droughts in the Anthropocene

HS1.6 – Water Sciences Pop-Ups | PICO

HS1.7 – Data & Models, Induction & Prediction, Information & Uncertainty: Towards a common framework for model building and predictions in the Geosciences

HS1.8 – Recent advances and future perspectives of the Budyko water balance framework

HS2.1.1 – Advances in Integrated Process-Based Distributed Hydrologic Modeling

HS2.1.3 – Runoff Generation in a Nordic Light: 30 Years with Water’s Journey from Rain to Stream

HS2.1.4 – Spatial patterns in hydrology: Towards comprehensive evaluation and calibration of distributed hydrological models

HS2.2.1 – Mountain Hydrology: Monitoring and modeling of snow

HS2.2.2 – Dryland Hydrology

HS2.2.3 – Changes in the Mediterranean hydrology: observation and modeling

HS2.3.1 – Understanding catchment and hillslope responses: from changing states and non-linearities to emergent behaviours

HS2.3.2 – Innovative sensing techniques and data analysis approaches to increase hydrological process understanding

HS2.3.3 – Isotope and tracer methods: flow paths characterization, catchment response and transformation processes

HS2.3.4 – Water quality at the catchment scale: measuring and modeling of nutrients, sediment and eutrophication impacts

HS2.3.5 – Water quality at the catchment scale: monitoring and modeling of micropollutants

HS2.3.6 – Catchment Organisation and Similarity

HS2.3.9 – Functions of water storage, mixing and non-stationary catchment response

HS2.3.12 – Open data, Virtual laboratories and Large samples in comparative hydrology and multi-basin modelling

HS2.3.14 – Representing complex catchment hydrological behavior with simple models

HS2.4.1 – Hydrological extremes: from droughts to floods

HS2.4.2 – Large scale hydrology

HS2.4.3 – Hydrological change: Regional hydrological behaviour under transient climate and land use conditions

HS2.4.4 – Flood changes: understanding the drivers of hazard and risk | PICO

HS2.4.5 – Monitoring Strategies: temporal trends in groundwater and surface water quality and quantity

HS2.4.6 – Floods and droughts in historical times

HS3.1 – HydroInformatics: computational intelligence, systems analysis, optimisation

HS3.2 – Geo-statistics for spatio-temporal analysis of hydrological events and environmental problems

HS3.3 – Open Source Computing in Hydrology | PICO

HS4.1 – Flash floods, hydro-geomorphic response, forecasting and risk management (co-organized)

HS4.2 – Hydrological forecasting: Untangling and reducing predictive uncertainty through improved model process description, data assimilation and post-processing | PICO

HS4.3 – Ensemble hydro-meteorological forecasting (co-organized)

HS4.4 – Drought and water scarcity: hydrological monitoring, modelling and forecasting to improve water management

HS4.6 – Operational forecasting and warning systems for natural hazards: challenges and innovation (co-organized) | PICO

HS5.1 – Catchment Science and management: providing evidence for environmental directives

HS5.2 – Water resources - assessment, management, and allocation - in (semi-)arid regions

HS5.3 – Hydropower and other renewable sources of energy for a sustainable future: modeling and management issues

HS5.4 – Socio-hydrology and river basin development; scaling and sustainability issues

HS5.5 – Water Footprint Assessments and Strategies for Food & Water Security (co-organized)

HS5.7 – Hydrology & Society: Transdisciplinary approaches to hydrology and water resources management

HS5.10 – Water Resources Management and Policy in a Changing World (including (Arne Richter Award Lecture for OYS)

HS6.1 – Open session on remote sensing applications in hydrology and climate studies

HS6.2 – The Third Pole Environment - Observation and modelling of hydrometeorological processes in high elevation areas

HS6.3 – Integrating flood and surface water remote sensing with hydrodynamic modelling: from local to global scales

HS6.4 – Remote sensing of soil moisture

HS6.5 – Assimilation of hydrological remote sensing data

HS7.1 – Precipitation: from measurement to modelling and application in catchment hydrology (co-organized)

HS7.2 – Precipitation uncertainty and variability: observations, ensemble simulation and downscaling (co-organized)

HS7.3 – Water, climate and health (co-organized)

HS7.4 – Change in climate, hydrology and society (co-organized)

HS7.6 – Using Models for Decision Support and Long Term Planning under Climate and Environmental Uncertainty

HS7.7 – Hydroclimatic and hydrometeorologic stochastics: Extremes, scales, probabilities (co-organized) | PICO

HS7.8 – Precipitation and urban hydrology

HS8.1.2 – Hydrogeophysics in subsurface hydrology

HS8.1.3 – Parameter estimation, inverse modelling and data assimilation in subsurface hydrology

HS8.1.6 – Fate and transport of biocolloids and nanoparticles in soil and groundwater systems

HS8.2.1 – Groundwater resources in a changing environment

HS8.2.2 – Isotope fingerprinting and age estimation of surface and groundwater

HS8.2.3 – Stochastic groundwater hydrology

HS8.2.4 – Fissured and karstified aquifers

HS8.2.5 – Thermal and mechanical processes and energy storage in porous and fractured aquifers

HS8.2.8 – Physical, chemical, microbial and isotopic processes in groundwater; from soil contamination to shale gas impacts

HS8.2.9 – Hydrogeology of coastal zones: processes, consequences and potentials

HS8.2.10 – Dispersion, mixing and reactive transport in heterogeneous media: From Theoretical and Experimental Developments towards Applications

HS8.3.1 – Challenges and perspectives in vadose zone research

HS9.1 – Measurement and monitoring techniques for evaluating sediment transport and dynamic processes in open-water environments (co-organized)

HS9.2 – Quantifying fine sediment redistribution in river catchments: linking monitoring, modelling and tracing (co-organized)

HS9.3 – Transfer of sediments and contaminants in catchments, rivers and lakes (co-organized)

HS10.1 – Estuarine processes (co-organized)

HS10.2 – Lakes and inland seas in a changing environment

HS10.4 – Linking river ecology, hydrology, and geomorphology for integrated river management (co-organized)

HS10.5 – Peatland Hydrology

HS10.6 – Redistribution of water and solutes by vegetation: Patterns, processes, and interactions at the soil-atmosphere interface

HS10.7 – Quantifying the resilience in coupled ecohydrological, biogeochemical and social systems under environmental and anthropogenic change

HS10.9 – New developments in understanding ecohydrological systems and their interfaces

HS10.10 – Natural backgrounds, indicators and ecological thresholds for groundwater and surface water in river basins and estuaries.

HS10.11 – GW-SW interactions: concepts, methods and biogeochemical and ecologic implications