INTER-ASSOCIATION SYMPOSIA [IAPSO, IACS, IAGA, IAHS, IAMAS, IAG, IASPEI, IAVCEI] 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

IAPSO Eugene LaFond Medal 2019 : call for candidatures

The Eugene LaFond Medal 2019 will be awarded to an ocean scientist from a developing country making a presentation (poster or oral) in a IAPSO-sponsored or co-sponsored symposium at the IUGG 2019 General Assembly. The eligibility criteria are on the IAPSO website.

How to apply?

Prospective candidates are invited to identify their presentation as being eligible for the LaFond Medal. This is done by sending an email, including a brief CV describing their education and research activities, to the IAPSO Secretary General () and copied to the President (). Please specify in the email the title of the presentation and the symposium in which it will be presented, and in what form (oral or poster).


Applications must be submitted before the start of IUGG 2019.

JP01 - Tides of the Oceans, Atmosphere, Solid Earth, Lakes and Planets (IAPSO, IAHS, IAMAS, IAG)


Convener: Philip Woodworth (UK, IAPSO)

Co-Conveners: Richard Ray (USA, IAPSO), Andreas Richter (Argentina, IAHS), Jean Paul Boy (France, IAG), Jeffrey Forbes (USA, IAMAS)

Invited speakers: Richard Ray (USA), Brian Arbic (USA), Steven Balbus (UK), Duncan Agnew (USA), Jens Oberheide (USA), Luciano Iess (Italy), Andreas Richter (Argentina)



The symposium will be open to any aspect of the science or history of the tides of the ocean, solid earth and atmosphere and of lakes and planets. The science will include the present accuracy of coastal, regional and global ocean tide models, tidal dissipation and its role in geophysics, internal tides and their role in mixing the ocean and in the global ocean circulation, secular changes in tides, new techniques for measuring tides and analysing the data, the role of tides in the origin of life on earth and palaeotides. It will also be open to presentations on earth and atmospheric tides, the tides of lakes and planets and many other aspects of tidal science. The symposium will provide a fitting mark of the 100th anniversary of the Liverpool Tidal Institute which led to many advances in tidal science in the 20th century.


JP02 - The North Atlantic-Arctic System: State, Process, and Change (IAPSO, IAMAS)


Convener: Thomas Haine (USA, IAPSO)

Co-Conveners: Paul Myers (Canada, IAPSO), Takashi Kikuchi (Japan, IAPSO), Rodrigo Caballero (Sweden, IAMAS), Mojib Latif (Germany, IAMAS)



The North Atlantic-Arctic Ocean, Atmosphere, and sea ice system influences regional, hemispheric, and global climate. It is where anthropogenic climate change is most conspicuous, such as the decline in summer-time sea ice, and very uncertain, like the future of the Greenland Ice Sheet. Recognition of these facts in the last decade, and greatly expanded observing networks, are revolutionizing knowledge and understanding of its physical oceanography, biogeochemistry, cryospheric, and atmospheric sciences. This symposium invites contributions quantifying the current state of the North Atlantic/Arctic system, elucidating processes that maintain that state, and investigating how it is changing. The symposium will bring together observers, modelers, and theorists to report latest research.


JP03 - Long-Term Climate Targets: from Emissions to Impacts (IAPSO, IAMAS, IACS, IAHS)


Conveners: Kirsten Zickfeld (Canada, IAPSO)

Co-Conveners: Eric Servat (France, IAHS), Ben Marzelon (Germany, IACS), Aimee Slangen (Netherlands, IACS), Nadine Mengis (Canada, IAMAS)



Long term global temperature and sea level increases are primarily determined by total anthropogenic emissions of carbon dioxide, though shorter-lived greenhouse gas emissions can also leave a long-term warming legacy. Limiting cumulative greenhouse gas emissions by decreasing net emissions to zero is therefore a prerequisite to stabilize long-term global temperatures and slow down sea level rise. Under the Paris Agreement, the world has committed to limiting long term warming to “well below 2°C” (and ideally to 1.5°C) above pre-industrial temperatures, in an attempt to avoid the most dangerous potential impacts of climate change. The scientific challenge is therefore to understand the climate warming legacy of current greenhouse gas emissions, to determine what levels of long term warming and sea level rise would produce unacceptably damaging impacts, and to better quantify the emissions budgets and pathways that would succeed in avoiding these levels of climate change. In this symposium, we welcome contributions on all aspects of this challenge.


Invited Speakers: Kiya Riverman  (USA), Pietro Milillo  (USA)



JP04 - Past Changes, in the Atmosphere, Oceans and Cryosphere, and their Relevance for Future Climate. (IAPSO, IAMAS, IACS, IAGA)


Convener: Karen Kohfeld (Canada, IAPSO)

Co-Conveners: Qiuzhen Yin (Belgium, IAMAS), Anne de Vernal (Canada, IAMAS), Tilo von Dobeneck (Germany, IAGA), Molly O. Petterson (USA, IACS)



Paleoceanographic and paleoclimatological research provides information on climate dynamics and biogeochemical cycling through time based on proxy reconstructions or model simulations of physical, chemical, and biological characteristics of the earth system. This symposium invites a wide range of data- and modeling-based presentations that aim to understand past behaviour of climate, ocean and ice. Submissions are encouraged on a range of topics, including glacial inceptions, millennial climate variability and abrupt change, characteristics of full glacial states, as well as past warm periods and their terminations as a means to better understand the future climate and its impacts on environment and ecosystems.



Convener: Vasily V. Titov (USA, IAPSO)

Co-Conveners: Fumuhiko Imumura (Japan, IAPSO), Maria Ana Baptista (Portugal, IAPSO), Alexander Rabinovich (Russia, IASPEI), Joan Marti (Spain, IAVCEI)



Tsunamis present persistent hazard for growing coastal population around the world. Tsunami events of this century vividly illustrated increasing risk of such disasters for coastal population and infrastructure. As the response to these deadly tsunamis of the XXI century, many new tsunamis  forecast and warning capabilities have been developed and implemented. Tsunami warning systems have expanded from the Pacific to all world oceans, and now provide tsunami warning capabilities based on expanded set of real-time observations for virtually all vulnerable coastlines.

The global warning system presents new challenges for tsunami science. Newly available real-time data provide large volume of high-quality observations that require new methods and data-assimilation tools for use in data-based forecast products. New modelling and analysis methods are required to take advantage of the new computational and observational capabilities, to convert scientific and modelling results into actionable and effective forecast and warning. The tsunami science now has the opportunity to make all coastal communities resilient to tsunami threat. The symposium will discuss progress and challenges of all aspects of tsunami research and practical warning applications.


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JP06 - Risk and Maritime Extremes (IAPSO, IAMAS)


Convener: Will Perrie (Canada, IAPSO)

Co-Conveners: Mark Hemer (Australia, IAPSO), Jeniffer Brown (UK, IAPSO), Xiaolan Wang (Canada, IAMAS), David Atkinson (Canada, IAMAS)



Climate change is increasingly impacting on human activities and communities. For example, as a consequence of sea level rise, coastal flooding events occur more often. Over land, heat waves seem to be experienced with increasing frequency. It is essential that society develops the capability to estimate the frequency, magnitude and impact of these extreme events, in order to adapt to and prepare for their changing tendencies and thus to try to mitigate their future impacts.

The objective of this symposium is to stimulate discussion and exchange ideas related to statistical methodologies across the various relevant areas of environmental science, with a focus on maritime studies. Statistical modelling of complex extreme events has developed rapidly in recent years; theoretical analysis has transitioned to multivariate statistical tools with many environmental applications. We hope to examine the state-of-the-art in present approaches and methodologies, identify challenges and opportunities, and motivate new research interactions and developments.

Presentations from all areas of marine environmental science are welcome with a particular emphasis on the combinations of factors that can in some cases be related; our aim is to showcase mesoscale extreme events and to learn from other disciplines to improve maritime risk assessment. Coastal flooding can result from nonlinear interactions of multiple oceanographic, hydrological, geological, and meteorological processes (e.g. tides, sea-level anomalies, storm surge, waves, winds, fluvial discharges, precipitation, beach, loss and land subsidence). Moreover, although exceptional extreme variations of a single process (e.g. storm surge), can result in coastal flooding, the more normal situation is that a combination of notably high values of more than one process constitute the precursor mechanism, thereby making a compound extreme event. Additional topics can consider extremes related to lake-effect (or lake-modified) systems and coastal extreme weather. In many cases, processes are often not stationary, but vary with season, and on time-scales of years, decades, etc., with changing climate. Thus, characteristics of extreme events can may be described as: the extreme nature of the impact rather than individual component factors, the multivariate nature of the impact, and the statistical dependence of component factors.


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IUGG 2019 Conference Secretariat JPdL International

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