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Twenty-three unsolved problems in hydrology (UPH) – a community perspective

Gunter Bloschl ¹ Marc Bierkens ² Antonio Chambel ³ Christophe Cudennec ⁴ Georgia Destouni ⁵ Aldo Fiori ⁶ James W. Kirchner ⁷ Jeffrey J Mcdonnell ⁸ Hubert Savenije ⁹ Murugesu Sivapalan ¹⁰ Christine Stumpp Elena Toth ¹¹ Elena Volpi ⁶ Gemma Carr ¹ Claire Lupton ¹² Josè Salinas ¹ Borbála Széles ¹ Alberto Viglione ¹³ Hafzullah Aksoy ¹⁴ Scott T Allen ⁷ Anam Amin ¹⁵ Vazken Andréassian ¹⁶ Berit Arheimer ¹⁷ Santosh K Aryal Victor Baker Earl Bardsley Marlies H Barendrecht Alena Bartosova Okke Batelaan Wouter R Berghuijs Keith Beven Theresa Blume Thom Bogaard ¹⁸ Pablo Borges de Amorim Michael E Böttcher Gilles Boulet ¹⁹ Korbinian Breinl Mitja Brilly Luca Brocca Wouter Buytaert ²⁰ Attilio Castellarin ¹¹ Andrea Castelletti Xiaohong Chen ²¹ Yangbo Chen ²¹ Yuanfang Chen ²² Peter Chifflard Pierluigi Claps Martyn Clark ²³ Adrian L Collins Barry Croke Annette Dathe Paula C David Felipe P.J. de Barros Gerrit de Rooij Giuliano Di Baldassarre ²⁴ Jessica M Driscoll Doris Duethmann Ravindra Dwivedi Ebru Eris William H Farmer James Feiccabrino Grant Ferguson Ennio Ferrari Stefano Ferraris Benjamin Fersch David Finger ²⁵ Laura Foglia Keirnan Fowler Boris Gartsman Simon Gascoin ²⁶ Eric Gaume ²⁷ Alexander Gelfan ²⁸ Josie Geris Shervan Gharari Tom Gleeson Miriam Glendell ²⁹ Alena Gonzalez Bevacqua María P González-Dugo Salvatore Grimaldi A. B Gupta Björn Guse Dawei Han David Hannah ³⁰ Adrian Harpold Stefan Haun Kate Heal Kay Helfricht Mathew Herrnegger Matthew Hipsey Hana Hlaváčiková Clara Hohmann Ladislav Holko Christopher Hopkinson Markus Hrachowitz ³¹ Tissa Illangasekare ³² Azhar Inam Camyla Innocente Erkan Istanbulluoglu Ben Jarihani Zahra Kalantari Andis Kalvans Sonu Khanal Sina Khatami Jens Kiesel Mike Kirkby Wouter Knoben Krzysztof Kochanek Silvia Kohnova ³³ Alla Kolechkina Stefan Krause ³⁰ David Kreamer Heidi Kreibich ³⁴ Harald Kunstmann Holger Lange Margarida L R Liberato Eric Lindquist Timothy Link Junguo Liu ³⁵ Daniel Peter Loucks Charles Luce Yu Fisjak ³⁶ Olga Makarieva Julien Malard Shamshagul Mashtayeva Shreedhar Maskey ³⁷ Josep Mas-Pla Maria Mavrova-Guirguinova Maurizio Mazzoleni Sebastian Mernild Bruce Dudley Misstear Alberto Montanari ³⁸ Hannes Müller-Thomy Alireza Nabizadeh Fernando Nardi Christopher Neale Nataliia Nesterova Bakhram Nurtaev Vincent O Odongo Subhabrata Panda Saket Pande Zhonghe Pang Georgia Papacharalampous Charles Perrin Laurent Pfister ³⁹ Rafael Pimentel Maria Polo ⁴⁰ David Post ⁴¹ Cristina Prieto Sierra Maria-Helena Ramos ¹⁶ Maik Renner José Eduardo Reynolds Elena Ridolfi Riccardo Rigon Monica Riva ⁴² David Robertson ⁴³ Renzo Rosso João H M Sá Gianfausto Salvadori Mel Sandells Bettina Schaefli Andreas Schumann Anna Scolobig Jan Seibert Eric Servat ³⁶ Mojtaba Shafiei Ashish Sharma ⁴⁴ Moussa Sidibe ⁴⁵ Roy Sidle ⁴⁶ Thomas Skaugen Hugh Smith Sabine M Spiessl Lina Stein Ingelin Steinsland Ulrich Strasser Bob Su Jan Szolgay ³³ David G. Tarboton ⁴⁷ Marc F.P. Bierkens Hubert H.G. Savenije Daniel Peter Loucks Bruce Dudley Misstear Cristina Prieto Sierra José Eduardo Reynolds Tirthankar Roy João H.M. Sá Flavia Tauro Guillaume Thirel ¹⁶ Fuqiang Tian ⁴⁸ Rui Tong Kamshat Tussupova Hristos Tyralis Remko Uijlenhoet ⁴⁹ Rens van Beek ⁵⁰ Ruud van Der Ent Martine van Der Ploeg Anne van Loon ³⁰ Ilja van Meerveld Ronald van Nooijen Pieter van Oel Jean-Philippe Vidal ⁵¹ Jana von Freyberg Sergiy Vorogushyn ⁵² Przemyslaw Wachniew Andrew R Wade ⁵³ Philip Ward Ida Westerberg Christopher White Eric Wood ⁵⁴ Ross Woods Zongxue Xu Koray Yilmaz Yongqiang Zhang

1 TU Wien - Vienna University of Technology

2 Utrecht University [Utrecht]

3 University of Évora [Portugal]

4 SAS - Sol Agro et hydrosystème Spatialisation

5 Stockholm University

6 Roma Tre University

7 WSL - Institut Fédéral de Recherches sur la Forêt, la Neige et le Paysage

8 U of S - University of Saskatchewan [Saskatoon]

9 TU Delft - Delft University of Technology

10 Department of Civil and Environmental Engineering [Urbana]

11 DICAM - Department of Civil Chemical Environmental and Materials Engineering [Bologna]

12 CEH - Centre for Ecology and Hydrology [Wallingford]

13 Polito - Politecnico di Torino = Polytechnic of Turin

14 ITÜ - Istanbul Technical University

15 TeSAF - Department of Land, Environment, Agriculture and Forestry

16 UR HYCAR - Hydrosystèmes continentaux anthropisés : ressources, risques, restauration

17 SMHI - Swedish Meteorological and Hydrological Institute

18 Water Resources Section

19 CESBIO - Centre d'études spatiales de la biosphère

20 Imperial College London

21 SYSU - Sun Yat-Sen University [Guangzhou]

22 Hohai University

23 RAL - Research Applications Laboratory [Boulder]

24 Department of Earth Sciences [Uppsala]

25 University of Reykjavik [Islande]

26 SISYPHE - Structure et fonctionnement des systèmes hydriques continentaux

27 IFSTTAR/GER - Département Géotechnique, Eau et Risques

28 Water Problems Institute of the Russian Academy of Sciences

29 The James Hutton Institute

30 School of Geography, Earth and Environmental Sciences [Birmingham]

31 Water Resources Section

32 CESEP - Center for Experimental Study of Subsurface Environmental Processes

33 Slovak University of Technology in Bratislava

34 Hydrology Section

35 SUSTech - Southern University of Science and Technology of China

36 HSM - Hydrosciences Montpellier

37 Department of Water Science and Engineering

38 UNIBO - Alma Mater Studiorum Università di Bologna [Bologna]

39 LIST - Luxembourg Institute of Science and Technology

40 IACT - Andalusian Institute of Earth Sciences

41 University of Pennsylvania [Philadelphia]

42 Dipartimento di Ingegneria Idraulica, Ambientale, Infrastrutture Viarie, Rilevamento

43 University of Edinburgh

44 Boise State University

45 Coventry University

46 USC - University of the Sunshine Coast

47 Department of Civil and Environmental Engineering

48 Department of Hydraulic Engineering, State Key Laboratory of Hydroscience and Engineering

49 Wagenigen University

50 Utrecht Centre for Geosciences

51 Météo-France

52 GFZ - German Research Centre for Geosciences - Helmholtz-Centre Potsdam

53 Department of Mathematical Sciences

54 Department of Civil and Environmental Engineering

Abstract : This paper is the outcome of a community initiative to identify major unsolved scientific problems in hydrology motivated by a need for stronger harmonisation of research efforts. The procedure involved a public consultation through online media, followed by two workshops through which a large number of potential science questions were collated, prioritised, and synthesised. In spite of the diversity of the participants (230 scientists in total), the process revealed much about community priorities and the state of our science: a preference for continuity in research questions rather than radical departures or redirections from past and current work. Questions remain focused on the process-based understanding of hydrological variability and causality at all space and time scales. Increased attention to environmental change drives a new emphasis on understanding how change propagates across interfaces within the hydrological system and across disciplinary boundaries. In particular, the expansion of the human footprint raises a new set of questions related to human interactions with nature and water cycle feedbacks in the context of complex water management problems. We hope that this reflection and synthesis of the 23 unsolved problems in hydrology will help guide research efforts for some years to come.

Keywords : research agenda interdisciplinary knowledge gaps hydrology science questions

Document type :

Journal articles

Domain :

Sciences of the Universe [physics] / Earth Sciences / Hydrology

Environmental Sciences / Environmental and Society

Humanities and Social Sciences / Sociology

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Submitted on : Friday, September 6, 2019 - 3:22:17 PM
Last modification on : Thursday, October 6, 2022 - 3:15:25 AM
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Twenty three unsolved problems...

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