Keynote Speech

Keynote speeches of WREM 2022


Ying Ouyang, PhD, PH

Southern Research Station, Center for Bottomland Hardwoods Research, USA

Speech Title: A copula-based approach for estimating streamflow using precipitation data

Dr. Ying Ouyang is a Research Hydrologist at the Center for Bottomland Hardwoods Research, Southern Research Station, United States Department of Agricultural Forest Service with duty office located on the campus of Mississippi State University. He received B.S. from South China Agricultural University and both M.S. and Ph.D. in soil physics from Oregon State University, USA.  Over the past 30 years, Dr. Ouyang’s working experience has spanned the spectrum from basic to applied research in water resource, hydrology, soil physics, and environmental sciences.  He has actively participated in many dynamic and multidisciplinary programs, including (but not limited): (1) applied and developed watershed models (e.g., BASINS-HSPF, HAWQS, HYDSTRA, and MODFLOW) to analyze hydrological processes and pollutant loads under the changing climate; (2) applied multivariate statistics (e.g., 3D Kriging, Copula, Principal Component Analysis, and Wavelet) to detect spatial distributions and temporal trends of hydrological process and water quality; (3) employed Dynamic Data Driven Application System for real-time estimation of river water quality and tree sap flow using sensor technology and computational algorithms; and (4) developed STELLA models for simulating couple transport of water and contaminants in plant xylem system and vadose zone soil, biomass production and CO2 emission in short-rotation woody crop plantation, and constructed wetland treatment of wastewater.   He has published more than 150 refereed journal articles with 80 refereed articles as the first or sole author ( Dr. Ouyang has comprehensive editorial experience and had served as associate editor for Journal of Environmental Quality (USA, 15 years) and several other international journals. He was named as Fellow of Soil Science Society of America in 2019 ( and the recipient of Robert G. Wetzel Award for Water Quality from American Institute of Hydrology in 2021 ( All other information about Dr. Ouyang can be found from the USDA Forest Service scientist website:

Prof Hock Lye Koh

Jeffrey Sachs Center on Sustainable Development
Sunway University, Bandar Sunway, Selangor, Malaysia

Speech Title: Restoration of Water Resources Under Climate Impact


Prof Koh Hock Lye
Senior Fellow and Professor attached to the Jeffrey Cheah Institute on Southeast Asia and the Jeffrey Sachs Center on Sustainable Development in the Sunway University, Selangor, Malaysia. His Fields of expertise include Mathematical Modelling and Simulation, Water Resources and Environmental Management, Sustainability Science Research, Lake and coastal Simulation Management, Adaptation to Sea level Rise and Climate Change. Professor Koh is a proponent for the practical application of research to achieve the United Nations Sustainable Development Goals (UN SDGs). He conducts society-oriented research and outreach that integrates the three pillars of the SDGs (economic, environmental, social) in the areas of SDG6: clean water and sanitation; SDG13: climate action; SDG14: life below water and SDG15: life on land. His research has been published in numerous journals, spanning topics such as ecological modeling, conservation, ecology, biodiversity, tsunami-resilient communities, affordable healthcare, climate adaptation strategies. One of his research foci is the application of mathematical modelling and artificial intelligence to enhance water security and food security. His recent book entitled: “Ecological Modeling for Mitigating Environmental and Climate Shocks: Achieving the UNSDGs” is published by World Scientific 2021. Prof Koh Hock Lye receives his BSc from University Malaya and holds both an MA and a PhD in Mathematics from University of Wisconsin, Madison, USA sponsored by the Fulbright Scholarship


Prof. Dezhao Liu

Dept. of

Biosystems Engineering College of Biosystems Engineering and Food Science, Zhejiang University,China

Speech Title: Optimal removal and recovery of phosphorous from aquaculture and livestock wastewater and sludge

Dr. Dezhao Liu is employed as a ZJU 100 Young Professor at College of Biosystems Engineering & Food Science, Zhejiang University. Dr. Liu received his Ph.D. degree in Biosystems Engineering from Aarhus University (Denmark) in 2013 and worked as a Post doc at Aarhus University since. Dr. Liu joined the College of Biosystems Engineering and Food Science at Zhejiang University in 2016 through ‘100 Talents Program’ from Zhejiang University. Dr. Liu’s major research activities include but not limited by ‘Environment Optimal Control and Resource Recovery for Intensive Livestock and Aquaculture Systems, Wastewater/ waste air optimal treatment and resource recovery and Odor Assessment and Control Technologies’. In recent years, Dr. Liu has published more than 60 journal articles including more than 30 first authored or corresponded authored papers. Right now Dr. Liu is in charge of two projects which were founded by the National Natural Science Foundation of China (NSFC) and National Key R&D Program of China, respectively. Dr. Liu has also participated a few large research projects as main participator. In 2012, Dr. Liu received national ‘Outstanding Scholarship for self-financed PhD students abroad’ from China. Dr. Dezhao Liu is currently served as the leader of the IWA specialist group on Odours and Volatile Emissions (2017-2019) and the Chairman for the 8th IWA Odours & VOC/Air Emissions Conference which will be held in Hangzhou, China (14-17 October, 2019). Dr.Liu also serves as the Co-chair of the Livestock Branch of Agricultural Engineering Society of China and a board member of 'Strategic Alliance for Technological Innovation of Odor Pollution Control' . Dr. Liu serves as an Editor for 'Water Science & Technology' and 'Water Supply' while also serving as a reviewer for a number of top-ranked international journals, including Environmental Science & Technology, Chemosphere, Chemical Engineering Journal, Atomospheric Environment, etc. Dr. Liu also have collaborations worldwide with researchers and professors from e.g., Aarhus University, Aalborg University, Duke University, USDA, The University of New South Wales, Ghent University, Universidade da Coruña, etc.

Prof. Grzegorz Boczkaj, PhD. DSc. Eng., Assoc. Prof.

Department of Sanitary Engineering
Department of Civil and Construction Engineering
Faculty of Civil and Environmental Engineering  
Gdansk University of Technology, Poland .


Speech Title: Advanced chemical treatment pocesses based on cavitation - a synergistic conditions for degradation of environmental pollutants

Grzegorz Boczkaj (h-index: 37, >4500 citations) is an associate professor at the Faculty of Civil and Environmental Engineering, Gdansk University of Technology (GUT), Poland. He obtained a PhD (2012, with honors) in chemical technology (chemical engineering) at GUT and a habilitation in technical analytics (2017). He is the leader scientist of research group working on new developments in the field of environmental science, separation techniques, chemical engineering as well as analytical chemistry. He was a project manager (principal investigator) of several research projects (in total above 1,5 mln $). Currently, he is a head of two research projects financed by the National Science Centre (NCN, Poland) – the first focused on new developments based on the application of Deep Eutectic Solvents (DESs) and the second focused on wastewater treatment and chemical transformations taking place under advanced reduction processes. He has published over 150 journal articles, book chapters, and technical reports. He is one of the most active scientists on ResearchGate, with RGscore (2022) exceeding 120. According to Publons, he was recognized as one of the top peer reviewers in a several categories.,612153-1/scientific


Prof. Anita Raimondi Ph.D., P.Eng.

Water Science and Engineering Section of the Department of Civil and Environmental Engineering

Politecnico di Milano,Italy

Speech Title: Sustainable Stormwater Management in Water Resilient Cities

Researcher (RTDA) and lecturer of Water Engineering at the Water Science and Engineering Section (SIA) of the Department of Civil and Environmental Engineering (DICA) of Politecnico di Milano.

Master's degree in Civil Engineering (110/110 cum laude) and Ph.D. in Environmental and Infrastructure Engineering at Politecnico di Milano.

The main research fields are stormwater control and management, nature-based solutions and rainwater harvesting, analytical-probabilistic approach for storage modeling.

Author of more than 50 papers published in refereed scientific journals and symposium proceedings (Raimondi, Anita - Author details - Scopus Preview)

Reviewer for several indexed peer-reviewed international journals. Guest Editor and Co-Editor of Special Issues for the journal Water and member of the Topical Advisory Panel for the section Urban Water Management. Principal investigator and participant in the research unit of research projects and technical-scientific consulting



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