Jahanzeb Rahimi | Water Resources Engineering | Best Researcher Award

Published on by Civil Engineering Awards

Mr. Jahanzeb Rahimi | Water Resources Engineering | Best Researcher Award

Engineer and Lecturer | Kandahar University | Afghanistan

Mr. Jahanzeb Rahimi’s research field reflects a strong focus on hydraulics, hydrotechnical structures, and water resource management, supported by extensive project and professional experience in both academic and applied engineering environments. His expertise spans the use of engineering design and simulation tools such as Geo-Studio, WaterCAD, and EPANET for modeling and optimizing hydraulic systems. As a lecturer and engineer, he has contributed to the development and implementation of hydrological and water infrastructure projects that enhance urban and rural water management. His professional work includes site supervision, project planning, and engineering design, where he has demonstrated proficiency in handling complex construction and water systems with an emphasis on sustainability and operational efficiency. His experience in procurement management at the Ministry of Rural Rehabilitation and Development further reflects his capability in resource coordination, infrastructure planning, and multi-disciplinary collaboration. Rahimi’s research interests are centered on hydraulic structure analysis, environmental water resource systems, and the integration of digital tools for efficient water network management. He is particularly interested in advancing water conservation technologies, flood control systems, and the sustainable utilization of natural resources. Through his engineering practice and teaching, he aims to bridge theoretical research with practical applications to develop innovative solutions that address modern challenges in water resource engineering and environmental protection. His professional journey illustrates a deep commitment to enhancing hydrotechnical infrastructure, promoting community-oriented engineering solutions, and contributing to the sustainable development of water systems in Afghanistan and beyond.

Profile: Scopus | ORCID | Google Scholar
Publications

Rahimi, J., Karimi, B. A., & Qani, N. A. (2025). Evaluation of slope stability in earthen canal using GeoStudio simulation: A multi-parameter approach for the Khush Tepa Canal Project, Afghanistan

Sunkwon Yoon | Water Resources Engineering | Best Researcher Award

Published on by Civil Engineering Awards

Dr. Sunkwon Yoon | Water Resources Engineering | Best Researcher Award

Research Fellow | The Seoul Institute | South Korea

Dr. Sunkwon Yoon’s research career demonstrates extensive contributions to hydrology, climate science, and urban water management, with a focus on developing adaptive technologies to mitigate the impacts of climate change. His research projects span smart water management systems, integrated flood risk assessment, and the design of resilient urban hydrologic infrastructures. As a principal investigator at the APEC Climate Center, he led international projects such as the development of smart water management solutions for the Kingdom of Tonga, integrating climate information to address water scarcity, and predictive systems for mud and debris flow considering urban characteristics. His work also includes advanced modeling techniques for flood forecasting, drought assessment, and inland-river systems management, emphasizing the application of stochastic and statistical hydrology to real-world problems. At the Seoul Institute of Technology and earlier at KAIST, his research explored risk-based water management, green growth initiatives, and climate-resilient urban development. His primary research interests include urban hydrology, smart water technology, flood and drought frequency analysis, and hydrometeorological variability linked to global climate phenomena such as ENSO and the Indian Ocean Dipole. Dr. Yoon’s studies have contributed significantly to improving prediction accuracy for extreme weather events, enhancing water security, and formulating sustainable water policies for urban resilience. Through collaborative efforts across government and international organizations, his experience bridges scientific modeling and policy-driven decision-making for disaster risk reduction. His ongoing focus on integrating hydrologic modeling with data-driven approaches reflects a commitment to advancing sustainable and adaptive water resource management under the evolving challenges of climate variability.

Profile: Google Scholar
Featured Publications:

  • Kim, J. P., Jung, I. W., Park, K. W., Yoon, S. K., & Lee, D. (2016). Hydrological utility and uncertainty of multi-satellite precipitation products in the mountainous region of South Korea. Remote Sensing, 8(7), 608.

  • Kim, J. S., Jain, S., & Yoon, S. K. (2012). Warm season streamflow variability in the Korean Han River Basin: Links with atmospheric teleconnections. International Journal of Climatology, 32(4), 635–640.

  • Moon, H., Yoon, S., & Moon, Y. (2023). Urban flood forecasting using a hybrid modeling approach based on a deep learning technique. Journal of Hydroinformatics, 25(2), 593–610.

  • Lee, T., Ouarda, T. B. M. J., & Yoon, S. (2017). KNN-based local linear regression for the analysis and simulation of low flow extremes under climatic influence. Climate Dynamics, 49(9), 3493–3511.

  • Yoon, S. K., Kim, J. S., & Moon, Y. I. (2014). Integrated flood risk analysis in a changing climate: A case study from the Korean Han River Basin. KSCE Journal of Civil Engineering, 18(5), 1563–1571.

Xin (Cissy) Ma – Water Resources Engineering – Best Researcher Award

Published on by Civil Engineering Awards

Xin (Cissy) Ma - Water Resources Engineering - Best Researcher Award

U.S. Environmental Protection Agency - United States

AUTHOR PROFILE

ORCID
SCOPUS

SUMMARY

Xin (Cissy) Ma is a leading environmental engineer at the U.S. Environmental Protection Agency with a strong record in sustainable water systems, life cycle assessment, and resource recovery. With decades of experience in federal research, Ma has played a crucial role in developing tools and strategies to inform urban water reuse, address emerging contaminants, and enhance wastewater treatment. She is widely recognized for her contributions to systems analysis, policy engagement, and interagency collaboration, significantly advancing national efforts toward a net-zero water economy and climate resilience in environmental infrastructure.

PROFESSIONAL EXPERIENCE

Serving as a senior research environmental engineer at the EPA, Xin Ma has progressed through a distinguished federal career. Her work spans technical research, strategic program leadership, and stakeholder engagement. At the EPA's Cincinnati and Athens labs, she has led numerous research initiatives focused on decentralized water reuse, nutrient recovery, and emergy accounting. She has also served as a Contracting Officer’s Representative and Principal Investigator on major projects, advancing sustainability goals across multiple EPA programs. Her extensive involvement in grant reviews, technical writing, and expert panels further reflects a comprehensive and impactful professional journey.

RESEARCH INTEREST

Ma's research focuses on sustainable urban water systems, water reuse, life cycle and cost assessment, and nutrient recovery. Her investigations aim to optimize the environmental and economic performance of water and wastewater treatment technologies. With a multidisciplinary systems approach, she explores how emerging contaminants, climate variability, and circular resource flows impact water infrastructure. A significant emphasis is placed on integrating ecological accounting metrics like emergy into life cycle thinking. Her work supports resilient infrastructure development, particularly in decentralized and fit-for-purpose water reuse strategies, promoting equity, efficiency, and sustainability in environmental decision-making.

AWARD AND HONOR

Xin Ma has received numerous accolades, including the 2025 AWWA ACE Water 2050 MVP for Net Zero Water Economy and multiple U.S. EPA Scientific and Technological Achievement Awards. Her service has been recognized with honors from the White House Office of Science and Technology Policy for contributions to IPCC reviews. A consistent recipient of superior performance awards across various EPA divisions, her recognition spans over a decade. These honors reflect the national and international impact of her technical leadership, scientific excellence, and commitment to environmental innovation and sustainable development.

RESEARCH SKILL

Ma possesses expert-level skills in life cycle assessment, cost-benefit analysis, emergy accounting, and sustainability metrics. Her capabilities include modeling water reuse systems, evaluating environmental tradeoffs, and using integrated decision-support tools. She has led interdisciplinary teams in developing EPA-endorsed software such as the NEWR Calculator and the UEV Library. Her research integrates quantitative and qualitative metrics, blending environmental science, policy, and engineering. With a solid foundation in experimental design, data interpretation, and regulatory alignment, Ma excels in translating complex data into practical solutions for federal policy and sustainable infrastructure planning.

PUBLICATIONS

Title: Environmental Impacts and Cost of a Water Quality Trading Approach for NPDES Nutrient Permit Compliance in a Rural Watershed
Authors: Sam Arden; Ben Morelli; Joe Miller; Sagarika Rath; Jennifer Ferrando; George Azevedo; Smiti Nepal; Bayou Demeke; Xin (Cissy) Ma
Journal: Water Research X, 2025

Title: Onsite Non-potable Reuse for Large Buildings: Environmental and Economic Suitability as a Function of Building Characteristics and Location
Authors: Sam Arden; Ben Morelli; Sarah Cashman; Xin (Cissy) Ma; Michael Jahne; Jay Garland
Journal: Water Research, 2021

Title: Human Health, Economic and Environmental Assessment of Onsite Non-Potable Water Reuse Systems for a Large, Mixed-Use Urban Building
Authors: Sam Arden; Ben Morelli; Mary Schoen; Sarah Cashman; Michael Jahne; Xin (Cissy) Ma; Jay Garland
Journal: Sustainability, 2020

Title: Holistic Analysis of Urban Water Systems in the Greater Cincinnati Region: (1) Life Cycle Assessment and Cost Implications
Authors: Xiaobo Xue; Sarah Cashman; Anthony Gaglione; Janet Mosley; Lori Weiss; Xin Cissy Ma; Jennifer Cashdollar; Jay Garland
Journal: Water Research X, 2019

Title: Holistic Analysis of Urban Water Systems in the Greater Cincinnati Region: (2) Resource Use Profiles by Emergy Accounting Approach
Authors: Sam Arden; Xin (Cissy) Ma; Mark Brown
Journal: Water Research X, 2019

 

CONCLUSION

Through a career grounded in research excellence and public service, Xin Ma exemplifies leadership in sustainable water infrastructure and environmental systems thinking. Her contributions have driven forward national priorities in climate adaptation, water reuse, and resource efficiency. By integrating science, engineering, and policy, she delivers solutions that support resilient communities and ecological health. From tool development to global collaboration on climate reports, her influence spans local, national, and international levels. Xin Ma continues to shape the future of environmental engineering through rigorous analysis, stakeholder engagement, and innovation in sustainability practices.