International Association of Hydrological Sciences Association Internationale des Sciences Hydrologique


SYSTA Sivapalan Young Scientists Travel Awards are available for events marked with the IAHS logo

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Due to COVID-19 please view the IAHS calendar for up to date event information

Dates: 01/04/2021 - 31/07/2021 00:00

ATTENTION Due to the particular circumstances of the ongoing COVID-19 outbreak, many events have been cancelled or postponed. We monitor and display these changes on the IAHS Calendar webpage.
EGU General Assembly 2021

Dates: 25/04/2021 - 30/04/2021
Location: Vienna, Austria

Virtual event


Tenth International Symposium on Land Subsidence

Dates: 17/05/2021 - 21/05/2021
Location: Delft - Gouda, the Netherlands.


Papers published in PIAHS volume 382 

Registration and abstract submission opens September 2020  


LuWQ2021 – 5th International Conference on LAND USE and WATER QUALITY

Dates: 17/05/2021 - 20/05/2021
Location: Maastricht, the Netherlands

LuWQ2021 is an international and interdisciplinary conference on the cutting edge of science, management and policy to minimise effects of agriculture and land use changes on the quality of groundwater and surface waters.

Conference flyer

Abstract submission deadline is 12 October 2020


Dates: 31/05/2021 - 03/06/2021
Location: Edinburgh, Scotland

13th Annual InterPore Meeting (InterPore2021) 

Conference Flyer
Principles, Applications And New Frontiers In Isotope Geochemistry

Dates: 14/06/2021 - 18/06/2021
Location: Lake Como School of Advanced Studies, Italy

Website: .

The school deals with isotopes in multiple worlds of geochemistry. One of the topics is  environmental isotopes in hydrology. Two highly reputed scientists (Ramon Aravena and Massimo Marchesi) are invited lectures of this school.   

The school welcomes PhD students and early career postdoc fellows. The school is free of charge, and expected to take place as a physical event in Como (Italy). The attendants are expected to cover their own travel expenses and accommodation costs. In case of Covid-19 related travel restrictions, the school might be reschedule or reorganized as an hybrid or fully online event.


Dates: 11/07/2021 - 17/07/2021
Location: Villa Colombella, Perugia, Italy

Rescheduled from July 2020

Villa Colombella (Perugia, Italy) July 12th - 17th 2020 
Hydro-JULES Summer School

Dates: 12/07/2021 - 16/07/2021
Location: UKCEH Wallingford, Oxfordshire, UK

The delayed Hydro-JULES Summer School is now scheduled for 12-16th July 2021 and will be held online via and Zoom. All details are available on 

No course fees will be charged to any students receiving a place on the course (whether UK or international). 

Closing date for applications: 30th April 2021

4th International Conference on the Status and Future of the World’s Large Rivers

Dates: 02/08/2021 - 06/08/2021
Location: Moscow, Russia

The World’s Large Rivers Conference aims in providing a global forum for a wide-ranging discussion of key issues related to research on large rivers and to their effective and sustainable management, involving both scientists and decision makers. We encourage scientists and practitioners to present their research results and experiences in the fields of

Hydrology, Hydraulics & Hydroclimatic Impacts
Sediment Transport & River Morphology
River Pollution, Ecology & Restoration
Integrated River Management

as well as in a special session about
Russian / Arctic Rivers

Special focus throughout all sessions will be given this time to Climate Change and River Response. 


Abstract Submission will be open until January 31st 2021.


Dates: 16/09/2021 - 17/09/2021
Location: Valencia, Spain

STAHY2021, will focus on statistical methods for hydrological applications. This branch of hydrology has a long history, and continues to be an exciting and topical field of research. 


This event is eligible for IAHS SYSTA support ( )

European vision for hydrological observations and experimentation

Dates: 20/09/2021 - 23/09/2021
Location: Naples, Italy

Rescheduled from October 2020

Focusing on hydrologic observation, hypothesis driven experimentation, and the models behind the data - participants will initialize a new vision for European hydrologic observation and experimentation. The conference consists of plenary sessions with talks by invited speakers, early career talks and panel discussions with strong involvement of the audience, poster session combined with flash talks, open workshop spaces in form of break out groups concluded by a wrap-up meeting. 

The geoscience excursion is scheduled for 22 September 2021.


2nd International Conference on Natural Hazards and Risks in a changing world 2021

Dates: 06/10/2021 - 07/10/2021
Location: Potsdam, Germany

The hazards include hydrological events (floods and droughts) including risk estimation

For more information please contact Dr. Theresia Petrow  (


4th International Conference of the Great Rivers of Africa

Dates: 16/11/2021 - 18/11/2021
Location: Cotonou, Benin

Hydrology of the Major African basins, which will take place in Cotonou in Benin from 16 to 18 November 2021, with a special session on hydrometeorological risks and related topics.


Summary of 3rd international conference on the hydrology of the great rivers of Africa in Algiers from 6 to 8 May 2018 (ALARIC 3).   (in both French and English)

This event is eligible for IAHS SYSTA support. Applications are currently closed.

AGU Fall Meeting

Dates: 13/12/2021 - 17/12/2021
Location: New Orleans, USA

IAHS 2022 Scientific Assembly

Dates: 29/05/2022 - 03/06/2022
Location: Le Corum, Montpellier, France

IAHS 2022 Scientific Assembly in Montpellier, France

This important biennial event will provide an opportunity to communicate, exchange and project on all major topics in the hydrological sciences within the framework of sessions organized by all IAHS Commissions and Working Groups with partners.

IAHS 2022 will have three major focuses:

·       Panta Rhei decade (2013-2022) on change in hydrology and society

·       UPH initiative, "Unsolved Problems in Hydrology"

·       the 100th anniversary year of IAHS

This event will be accompanied throughout this week by many other "water-related" events for scientists, the general public and schoolchildren. 



IUGG General Assembly

Dates: 11/07/2023 - 20/07/2023
Location: Berlin, Germany

The 28th IUGG General Assembly will take place in Berlin, Germany.

More information available from