Acknowledgement to Reviewers
The high scientific standards maintained by Journal of Hydroinformatics in its papers owe much to the continuing dedication of the journal's reviewers, who give freely of their time and expertise. IWA Publishing is pleased to pay tribute to this contribution by recognizing those who have participated in the review process. Thus, the Editors of Journal of Hydroinformatics acknowledge with particular gratitude the following reviewers who have reviewed papers during the period January 2019–December 2019.
| Othman A. Karim | Shien-Tsung Chen | Neil Grigg | Edevar Luvizotto | Yusuf Sermet |
| Ali Abbasi | Xiaohong Chen | Slavatore Grimaldi | Henrik Madsen | Asaad Shamseldin |
| Abedeh Abdolghafoorian | Yu-Wen Chen | Giorgio Guariso | Fardad Maghsoudi Moud | Pramod Kumar Sharma |
| Ahmad Fikri Abdullah | Yee-Meng Chiew | Vincent Guinot | Morteza Majd | Sybil Sharvelle |
| Mohammad Javad Abedini | Huidae Cho | Wen-Dar Guo | Stefano Malavasi | Chaopeng Shen |
| Morgan Abily | Chien-ming Chou | Rajesh Gupta | Antonino Maltese | Yoshihiro Shibuo |
| David Admiraal | Vasileios Christelis | Jochen Hack | Sergio Martinez | Nuno Eduardo Simões |
| Ping Ai | Francesco Ciliberti | ali haghighi | Daniel Marton | Antonietta Simone |
| Mahmood Akbari | Milan Cisty | Dawei Han | Carolina Massmann | Gaurav Sinha |
| Patrick Udemeobong Akpan | Bernardete Coelho | JC Han | Paola Mazzoglio | Grzegorz Sinicyn |
| Sherien Al-Azerji | Richard Collins | Salim Heddam | Fanlin Meng | Muhammed Ali Sit |
| Farhad Alizadeh | Daniel Conde | Reinhard Hinkelmann | Simone Mereu | Robert Sitzenfrei |
| Alida Alves | Susan Cormier | Ben Hodges | Venkatesh Merwade | Alexandre Soares |
| Stefano Alvisi | Gerald Corzo | Klaudia Horváth | Benjamin Mewes | Sandra Soares-Frazao |
| Alessandro Amaranto | Laurent Courty | Vlassios Hrissanthou | Anthony Minns | Kurt Solander |
| Ameen Ameen | Enrico Creaco | Wenxin Huai | Babak Mohammadi | Irene Soligno |
| Ivo Agbor Arrey | Brian Crookston | Guo Huang | Frank Molkenthin | Lars Sonesten |
| Enrique Asensi Dasí | Peter Dahlhaus | Pedro Iglesias Rey | Idel Montalvo | Jing Song |
| Keyvan Asghari | Ali Danandeh Mehr | Jose Igreja | Antonio Moreno Rodenas | Lina Stein |
| Hazi Azamathulla | Ali Dastgheib | Abdussamad Ismail | Efrat Morin | Clemens Strehl |
| Adnan Özdemir | José Carlos de Araújo | Joaquín Izquierdo | S. Jamshid Mousavi | Grasso Susanna |
| Ilhan Özgen-Xian | Gaetano De Bella | Wan Jaafar | Ayse Muhammetoglu | Boddula Swathi |
| Hamed Azimi | Mauro De Marchis | Robert Janke | Sebastian Muntean | Mahmoud M. R. Tabari |
| Meghna Babbar-Sebens | Carlos de Oliveira Galvão | Saman Javadi | Arthur Mynett | Majid Taie Semiromi |
| Vladan Babovic | Francesco De Paola | Dong Sheng Jeng | Sujay Naganna | Tiku Tanyimboh |
| Gabriella Balacco | Mehmet Demirel | LingXiao Jiang | Mohammad Najafzadeh | Riccardo Taormina |
| James Ball | Simona Denaro | Yanan Jiang | Mauro Nalesso | Evdokia Tapoglou |
| Reza Barati | Makarand Deo | Norm Jones | Umamahesh Nanduri | Søren Thorndahl |
| Emanuele Barca | Jochen Deuerlein | Andreja Jonoski | Adrian Navas | Ezio Todini |
| Hamid Bashiri | Cristiana Di Cristo | Carmelo Juez | Mohammad Hossein Niksokhan | Carla Tricarico |
| Mundzir Basri | Carlos Diaz Diaz | Donghwi Jung | Seong Jin Noh | Giannis Trichakis |
| Allen Bateman | Panayiotis Dimitriadis | Bahareh Kamali | Vahid Nourani | Ioannis Tsoukalas |
| Kourosh Behzadian | Antonio Diogo | Vassilis Kanakoudis | Luis Nunes | Wim Uijttewaal |
| Benjamin Belfort | Tiziano Distefano | George Kargas | Giuseppe Oliveto | Nobuyuki Utsumi |
| Luigi Berardi | Dejana Djordjevic | Bryan Karney | Nils R. B. Olsen | Andrea Vacca |
| Biswa Bhattacharya | Slobodan Djordjevic | Dulakshi Karunasingha | Seng Keat Ooi | Daniel Valero |
| Mirjam Blokker | Angelo Doglioni | Joe Kasprzyk | Avi Ostfeld | Schalk Jan van Andel |
| Fulvio Boano | H.F. Duan | Edward Keedwell | Daniel Paluszczyszyn | Joost Van Summeren |
| Dominic Boccelli | Ahmed El-Shafie | Hamed Ketabchi | Andreas Panagopoulos | Emmanouil Varouchakis |
| Leonore Boelee | Saeid Eslamian | Majed Khadem | Stefano Papirio | Jose Vasconcelos |
| Brunella Bonaccorso | Tziritis Evangelos | Sung Eun Kim | Heekyung Park | Ina Vertommen |
| Andrea Bottacin Busolin | Honggang Fan | Sungwon Kim | Stefania Piazza | Paolo Vezza |
| Cristiana Bragalli | Bin Fang | Ozgur Kisi | Olivier Piller | Ignacio Villanueva |
| Boyan Brodaric | Raziyeh Farmani | Srdjan Kostic | Fotios-Konstantinos Pliakas | Zara Visanji |
| Pilar Brufau | Eva Fenrich | Nikos Koutsias | Maria Jose Polo | Jian Wang |
| Bruno Brunone | Javier Fernandez-Pato | Stefan Kraemer | Marco Propato | Xianwei Wang |
| Steven Buchberger | Peter Fitch | Tamas Kramer | Aris Psilovikos | Lal Wasantha |
| Suribabu C.R. | Mathias Foo | Bimlesh Kumar | Jaan Hui Pu | Jan Wesseling |
| Valerio Caleffi | Marco Franchini | DeepaK Kumar | Vicenç Puig | Daniel Wright |
| Riccardo Campo | Gabriele Freni | Mathias Kuschel-Otárola | Valeria Puleo | Xuefei Wu |
| Ricardo Canelas | Luca Furnari | Santiago Lain | John Quilty | Zheng Yi Wu |
| Caterina Capponi | Ivan Gabriel-Martin | Francesco Laio | Omid Rahmati | Maria Xenochristou |
| Juan Pablo Carbajal | Tais Galbetti | Daniele Laucelli | Roberto Ranzi | Xilin Xia |
| Armando Carravetta | Pablo Gamazo | Jorge Leandro | Miguel Rico-Ramirez | Haowen Xu |
| José Carrillo | Haiwen Gao | Sebastián Leguizamón | Michele Romano | Yunqing Xuan |
| Luis Castillo | Pilar Garcia Navarro | Joao P. Leitao | Rudy Rossetto | Jing Yan |
| Daniel Caviedes Voullieme | Irene Garousi-Nejad | Angelo Leopardi | Kiyoumars Roushangar | Tiantian Yang |
| Francesca Cecinati | Zong Woo Geem | CW Li | Thomas Rowan | Xueyao Yang |
| Paul Celicourt | Andrei-Mugur Georgescu | Yu Li | Maarten Saaltink | Giuseppe Zaccaria |
| Gabriela Cembrano | Sanda-Carmen Georgescu | Ying-Po Liao | Shahram Sahraei | Feilin Zhu |
| Alessandro Ceppi | Abdolvahed Ghaderi | Kairong Lin | Marcus Santos | Zhenhua Zou |
| Juan Chacon-Hurtado | Orazio Giustolisi | Lorena Liuzzo | Dragan Savic | |
| Kwok-wing Chau | Sebastian Gnann | Xavier Llort | Keith Sawicz | |
| Albert Chen | Ricardo Gomes | Anna Lo Jacomo | Manfred Schuetze | |
| Duan Chen | Maria Gonzalez-Sanchis | Hugo Loaiciga | Carla Sciarra | |
| Otto Chen | Jonathan Goodall | Federico Lombardo | Enrico Scoccimarro | |
| Qiuwen Chen | Philippe Gourbesville | Alejandro Lopez | Giovanni M. Sechi |