The first association in the parenthesis is leading the joint symposium

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The full IUGG 2019 searchable scientific program is now online

JH01 - Scientific Inputs to Water-Related SDGs of the Agenda 2030 (IAHS, IAMAS)


Convener: Christophe Cudennec (France, IAHS)

Co-Conveners: Johannes Cullman (WMO), Maria Donoso (UNESCO), Stefan Uhlenbrook (WWAP), Vladimir Smakhtin (UNU), Nilay Dogulu (Turkey, IAHS)



The United Nations member states adopted the Agenda 2030 in September 2015, structured into 17 Sustainable Development Goals – SDGs. The transformative process towards 2030 is ambitious, complex and holistic. Science has to contribute through different ways of understanding, quantifying and exploring processes, interdependencies, innovations, and procedures. This requires handling a specific data-indicator-(dis-)aggregation-displaying chain, addressing new scientific questions, articulating knowledge and disciplines, quantifying change, assessing coevolution and interfaces, supporting foresight and political decisions…

SDG6 is dedicated to water. Many intra-SDG6 linkages between targets, and many inter-linkages with other SDGs are identified. There exists a huge diversity through the hydrological, the sociological and institutional, and the methodological heterogeneities across geography and scales. The States and UN Agencies are assessing the actual baseline, and setting up the arrow of indicators. A first Synthesis report was issued in July 2018 to feed the UN High Level Political Forum. Specific reports were issued in August 2018 on indicators (see A data portal will be launched at the end of 2018. These shall support actions and progress monitoring in the coming years. The whole is further enhanced by the 2018-2028 Decade for action on water, launched on 22 March 2018. It is time to call the scientific community to look at the status, data and process; and to elaborate further analyses and methods, bridge gaps, and support action. This symposium welcomes inputs to topics like:

  • Explicit and direct contributions of hydrological and related geophysical sciences to quantifying SDG indicators;
  • Regional / national contributions from hydrology and water resources to national SDG6 and other related SDGs;
  • How the UPH – Unsolved Problems in Hydrology contribute to the societal water agenda and SDGs (;
  • How the data initiative of HLPW can contribute and be further enhanced by researchers (;
  • How hydrological research can intensify the progress of the Water decade (;



JH02 - Climate and Hydrological Services: Bridging from Science to Practice and Adaptation (IAHS, IAMAS, IAG)


Convener: Chris White (Australia, IAHS)

Co-Conveners: Harald Kunstmann (Germany, IAHS), Berit Arheimer (Sweden, IAHS), Neil Holbrook (Australia, IAMAS), Laurent Longuevergne (France, IAG), Johannes Cullman (WMO)



With climate change and decreasing water availability per capita being one of the crucial challenges for society in the 21st century, there is the urgent need to develop and initiate adaptation measures. The provision of state of the art climate- and hydrology information for services has been initiated for different regions worldwide in order to approach the manifold demands of stakeholders, particularly in water management, agriculture, energy production or civil protection. This symposium invites for abstracts that address the challenges faced in both climate- and hydrological service provision when bridging from science to practice and finally to the derivation of adaptation measures. This comprises particularly contributions on 1) provisions of high-quality real-time and historical data from national and international databases, 2) hydrometeorological forecasts and particular subseasonal to seasonal predictions, 3) high resolution downscaling efforts of global climate scenarios, 4) development of bias-correction techniques for provided hydrometeorological fields, 5) solutions for digital and open data access, 6) development of methods to overcome limitations due to limited observation data density or –quality, 7) efforts to improve structure and parameterization of models, 8) improved ways to communicate scientific results and uncertainty to decision makers to increase chances of uptake, 9) examples and descriptions of case studies and initiatives worldwide, including the role of local and national legislations that help the adaptation process.

JH03 - Geosciences in the Anthropocene: Observing and Modelling Human-Nature Interactions in a Changing World (IAHS, IAMAS)


Convener: Giuliano di Baldassarre (Sweden, IAHS)

Co-Conveners: Veena Srinivasan (India, IAHS), Tobias Krueger (Germany, IAHS), Kei Yoshimura (Japan, IAMAS)



This symposium welcomes abstracts that consider how to observe, model and analyse interactions of human and environment systems, and the effects of socio-economic trends and environmental change. It is organised as part of the IAHS Panta Rhei hydrological decade 2013-2022.

The symposium focuses on advancing our understanding (and developing models) of dynamics produced by the mutual shaping of social and physical processes.

Examples of relevant areas include:

  • Inventories of geoscience research in human-impacted systems.
  • Observations of human impacts on, and responses to, environmental change.
  • Interactions of communities with natural resources.
  • Geophysical and hydrological models that include anthropogenic effects.
  • Data analyses and comparisons of coupled human-environment systems around the globe and especially in developing and emerging countries.
  • Human interactions with extreme events, i.e. floods, droughts, and landslides.

JH04 - MOXXI: Innovation and Multidisciplinarity to Observe Earth Processes (IAHS, IAMAS)


Convener: Flavia Tauro (Italy, IAHS)

Co-Conveners: Piet Stammes (Netherlands, IAMAS), Andy Wickert (USA, IAHS), E. Mario Mendiondo (Brazil, IAHS), Dominique Bérod (WMO)



According to recent surveys in hydrology, traditional monitoring systems and challenges in maintaining current monitoring networks are a significant bottleneck to the comprehension of natural processes. Specifically, standard observational equipment is expensive, offers limited spatial (and often temporal) coverage, mandates access to trained staff and resources, and involves high costs.

In this vein, the International Association of Hydrological Sciences has supported the foundation of the Measurements and Observations in the XXI Century (MOXXI) working group with the aim to promote the advancement of novel observational techniques, leading to new sources of information to help better understand the hydrological cycle. The group’s interests revolve around the following pillars:

  • Process understanding is enhanced when scientists proactively design and develop their measurement tools and methodological approaches by adjusting them to answer their specific questions.
  • Successful observational approaches often rely on knowledge from other fields of science.
  • Innovative measurement systems may entail a DIY approach, using low-cost and unintended instrumentation, and/or performing smart (opportunistic) observations.


For instance, precipitation has been measured with moving cars and accelerometers, and water levels have been monitored with game-console remote controls.


This symposium encourages scientists from all realms of geodesy and geophysics to share their innovative ideas to observe Earth processes. Scientists that build their own instruments and/or use existing equipment in innovative ways are highly encouraged to present their approaches and solutions to fellow researchers.


Contributions will address the key issue of providing accurate and reliable measurements at different spatial and temporal scales, in ungauged sites, and in challenging environments.

JH05 - Citizen Science and Crowdsourced Data in Hydrology for Water Risk Management, Communication and Awareness (IAHS)


Convener: Fernando Nardi (Italy, IAHS)

Co-Conveners: Jan Seibert (Switzerland, IAHS), Woutert Buytaert  (UK, IAHS), Hongchao Fan (China, IAHS), Wahrmann Vargas Cristina (Costa Rica, IAHS),  Anil Mishra (UNESCO), Dominique Bérod (WMO)



Citizen involvement in research and scientific projects have been transformed in the last decade by new and largely accessible sensing and data processing tools. Geospatial technologies and low cost equipment (smart phones, cameras, drones, …), allow students, researchers and citizens to gather, analyze, visualize and share a wealth of hydrologic and earth system data at different spatial and temporal scales. New opportunities are, thus, arising for addressing the uncertainties and inaccuracies of water resource and risk management models, for a better understanding, monitoring and forecasting of hydro-extremes. Citizen science is supporting a new paradigm for hydrology where active citizenship and crowdsourced data have a pivotal role for risk mitigation, communication and awareness. This transition requires multi-disciplinary and trans-sectorial knowledge, analytical approaches and data processing methods, spanning from earth-, geo-, hydro- sciences to humanities, social and communication sciences, to synergically define the guidelines and procedures that support effective use of informal human-sensed data for water resource and risk management. This symposium seeks contributions on data, tools, methods and procedures that explore the role, value and performances of citizen science for hydrologic and earth science research and projects.

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